JP6152410B1 - Electronics - Google Patents

Abstract

A keyboard device capable of improving operability by adjusting an angle of a keyboard portion and an electronic device including the keyboard device and a portable information device are provided. A keyboard device 10 includes a mounting magnet that can be attracted to device-side mounting magnets 30aS, 30bN, 30cS, and 30dN disposed along one side surface 12a of a tablet PC 12 that is a portable information device. A mounting portion 44 having 48aN, 48bS, 48cN, and 48dS, a flexible hinge portion 46 that connects the mounting portion 44 and the keyboard portion 40, and a flexible hinge portion 46 that is provided on the mounting portion 44 side of the flexible hinge portion 46. The first magnets 50aN to 50fN and the second magnets 52aS to 52fS are arranged in parallel with each other toward the keyboard unit 40 from the side. [Selection] Figure 1

Description

The present invention relates to an electronic apparatus equipped with a detachable keyboard equipment and portable information devices to the portable information equipment.

  In recent years, tablet personal computers (tablet PCs) having a touch panel type liquid crystal display and no physical keyboard are rapidly spreading. The tablet PC is easy to carry and can be easily operated because input operations can be performed using a touch panel. However, since the tablet PC does not have a physical keyboard, there may be a problem in, for example, a long sentence input operation.

  In view of this, the present applicant has proposed a keyboard device that can attach and detach a tablet PC and function as a stand for the tablet PC in Patent Document 1.

Japanese Patent Laying-Open No. 2015-87908

  In the configuration described in Patent Document 1, although the standing angle of the tablet PC can be adjusted by a stand function provided in the keyboard device, the angle of the keyboard portion is set to be constant.

  By the way, portable information devices with excellent portability such as tablet PCs may be used not only on the desk but also placed on the knees of seated users, etc. However, similar usage patterns are envisaged. However, in the configuration described in Patent Document 1, the angle of the keyboard portion is set to be constant. For this reason, there is a possibility that the operability of the keyboard part may be lowered depending on the usage pattern such as on the desk or on the knee, and there is a demand for a configuration that can adjust the angle of the keyboard part.

The present invention has been made in consideration of the above problems of the prior art, an electronic apparatus having a keyboard equipment which can improve the operability by adjusting the angle of the keyboard unit and the portable information equipment The purpose is to do.

An electronic device according to the present invention is an electronic device including a portable information device and a keyboard device that is detachably attached to the portable information device and includes a keyboard unit that performs an input operation on the portable information device. The keyboard device includes a mounting portion having a mounting magnet that can be attracted to a device-side mounting magnet disposed along one side surface of the portable information device, the mounting portion, and the keyboard portion. A first hinge and a second magnet provided in the flexible hinge portion, and arranged in parallel with each other from the mounting portion side toward the keyboard portion side of the flexible hinge portion. and a magnet, the portable information device, a device-side first magnet provided on one side of the apparatus side attachment magnets in a direction perpendicular to said one side surface, perpendicular to the one side And a device-side second magnet and the apparatus-side third magnet provided on the other side of the apparatus side attachment magnets in countercurrent, characterized in Rukoto.

According to such a configuration, since the keyboard device includes the flexible hinge portion between the keyboard portion and the mounting portion, the keyboard portion is interposed via the flexible hinge portion with the mounting portion mounted on the portable information device. Can be arranged in a desired angle and orientation, and the portable information device can be used like a notebook PC. In addition, the flexible hinge portion is provided with a first magnet and a second magnet that are arranged in parallel with each other at an interval. For this reason, by appropriately adsorbing the first magnet and the second magnet to another magnet on the portable information device side, the installation angle of the keyboard portion can be adjusted in three stages to improve operability. According to such a configuration, the first magnet and the second magnet of the keyboard device are appropriately attracted to the device-side first magnet, the device-side second magnet, and the device-side third magnet on the portable information device side. And the degree of freedom in adjusting the installation angle of the keyboard is ensured.

  The first magnet and the second magnet may have a configuration in which poles facing the surface of the keyboard device are reversed. Then, for example, the flexible hinge portion can be folded back so that the first magnet and the second magnet can be attracted to each other, and the degree of freedom in adjusting the installation angle of the keyboard portion is improved.

  The device-side first magnet and the device-side second magnet have the same pole facing the surface of the portable information device, and the device-side second magnet and the device-side third magnet are the portable The configuration may be such that the poles facing the surface of the information equipment are set in reverse. Then, the first magnet and the second magnet whose poles facing the surface of the keyboard device are reversed can be attracted to each magnet on the portable information device side with a high degree of freedom of arrangement, and the installation angle of the keyboard unit can be adjusted. A degree of freedom is secured.

  When the position between the mounting portion of the flexible hinge portion and the first magnet is folded back while the mounting magnet of the keyboard device is attracted to the mounting magnet of the portable information device The second magnet may be configured to be attracted to the device-side first magnet.

  The first magnet of the flexible hinge section in a state where the mounting magnet of the keyboard device is attracted to the device-side mounting magnet of the portable information device and the first magnet is attracted to the device-side second magnet. When the position between the first magnet and the second magnet is folded, the poles of the first magnet and the second magnet facing the back surface of the keyboard device may be attracted.

  In a state where the mounting magnet of the keyboard device is attracted to the device-side mounting magnet of the portable information device and the first magnet is attracted to the device-side second magnet, the second magnet is connected to the device-side magnet. The structure which can adsorb | suck to 3 magnets may be sufficient.

  The portable information device may be configured to include a device-side storage magnet that can attract the mounting magnet on a back surface that is the back surface side of the surface on which the device-side mounting magnet is provided. If it does so, it can be set as the accommodation attitude | position which adsorb | sucked the keyboard apparatus to the back side of portable information equipment, for example.

The portable information device is a tablet personal computer having a touch-operable display, a configuration including the stand portion for holding the portable information device to the back of the portable information device to the upright position Also good.

  According to the present invention, since the keyboard device includes the flexible hinge portion between the keyboard portion and the mounting portion, the keyboard portion is desired via the flexible hinge portion in a state where the mounting portion is mounted on the portable information device. Therefore, the portable information device can be used like a notebook PC. In addition, the flexible hinge portion is provided with a first magnet and a second magnet that are arranged in parallel with each other at an interval. For this reason, by appropriately adsorbing the first magnet and the second magnet to another magnet on the portable information device side, the installation angle of the keyboard portion can be adjusted in three stages to improve operability.

FIG. 1 is a perspective view of an electronic apparatus in which a keyboard device according to an embodiment of the present invention is mounted on a tablet PC. FIG. 2 is a front view showing a configuration example of a tablet PC to which the keyboard device is attached. FIG. 3 is a rear view of the tablet PC shown in FIG. FIG. 4 is a front view of the tablet PC shown in FIG. 2 with the expansion device removed. FIG. 5 is a plan view illustrating a configuration example of the keyboard device. FIG. 6 is an enlarged side view of the main part showing a state where the installation angle of the keyboard device attached to the tablet PC is minimized. FIG. 7 is an enlarged side view of an essential part showing a state where the installation angle of the keyboard device is increased from the state shown in FIG. FIG. 8 is an enlarged side view of an essential part showing a state where the installation angle of the keyboard device is further increased and maximized from the state shown in FIG. FIG. 9 is an enlarged side view of a main part in which the keyboard device attached to the tablet PC is stored, and FIG. 9A is a diagram illustrating a state in which the keyboard device is stored on the front side of the tablet PC. FIG. 9B is a diagram illustrating a state in which the keyboard device is housed on the back side of the tablet PC. FIG. 10 is a diagram showing a configuration provided with a projector module as the expansion device shown in FIG. FIG. 11 is a front view of the tablet PC with the cover member removed. FIGS. 12A and 12B are configuration diagrams of a tablet PC equipped with a cover member. FIG. 12A is a rear view, and FIG. 12B is a bottom view. FIG. 13 is an enlarged side view of a main part showing a state in which the installation angle of the keyboard device attached to the tablet PC using the cover member is minimized. FIG. 14 is an enlarged side view of an essential part showing a state in which the installation angle of the keyboard device is increased and maximized from the state shown in FIG. FIG. 15 is an enlarged side view of a main part in which the keyboard device mounted on the tablet PC using the cover member is stored, and FIG. 15A is a state where the keyboard device is stored on the front side of the tablet PC. FIG. 15B is a diagram showing a state in which the keyboard device is housed on the back side of the tablet PC.

Hereinafter, an example of the engagement Ru electronic device in the present invention DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment will be described in detail with reference to the accompanying drawings.

  FIG. 1 is a perspective view of an electronic device 14 in which a keyboard device 10 according to an embodiment of the present invention is mounted on a tablet PC 12.

  The keyboard device 10 according to the present embodiment is detachably mounted using a magnet in the vicinity of one side surface 12a of the tablet PC 12 and functions as an input unit for the tablet PC 12. Further, the keyboard device 10 can perform angle adjustment in a maximum of three stages while being attached to the tablet PC 12. The keyboard device 10 may be a portable information device other than the tablet PC 12, for example, a smartphone or various terminal devices.

  FIG. 2 is a front view showing a configuration example of the tablet PC 12 to be attached to the keyboard device 10, and FIG. 3 is a rear view of the tablet PC 12 shown in FIG. FIG. 4 is a front view of the tablet PC 12 shown in FIG. 2 with the expansion device 16 removed.

  As shown in FIGS. 1 and 2, the tablet PC 12 includes a display 17 including a touch panel type liquid crystal display unit on the surface 12 b. The tablet PC 12 houses various electronic components such as a substrate, an arithmetic device (not shown), and a memory. An expansion device 16 is detachably attached to one side surface 12a of the tablet PC 12.

  As shown in FIG. 3, the tablet PC 12 includes a stand portion 18 on the back surface 12 c that is the back surface of the front surface 12 b on the display 17 side. The stand portion 18 is a rectangular plate that is rotatable around a rotation shaft 18a having an axial direction along the one side surface 12a in the vicinity of the one side surface 12a. The stand part 18 protrudes from the back surface 12c in a substantially vertical direction by rotating the open end 18b about 90 degrees around the rotation shaft 18a in a direction away from the back surface 12c. Accordingly, the stand unit 18 can hold the tablet PC 12 in a desired standing posture as shown in FIG. 1, for example.

  The expansion device 16 is a cartridge-type device that expands and reinforces the power supply function of the tablet PC 12 and expansion functions for peripheral devices and networks by being detachably mounted on one side surface 12a of the tablet PC 12. The casing of the expansion device 16 has a throttle shape on one side, and is formed in a bar shape having a substantially tear-shaped cross section extending along one side surface 12a of the tablet PC 12 (see FIG. 6). The expansion device 16 can add various connection ports, battery devices, and the like to the tablet PC 12 by connecting the connection terminal portion 19 to the terminal 20 of the tablet PC 12.

  As shown in FIG. 4, the expansion device 16 is provided with a positioning projection 22 and a hook 24 that serve as an attaching / detaching portion for the tablet PC 12 on one side surface 16 a. A pair of positioning protrusions 22 are provided on one side 16a and inserted into a positioning hole (not shown) on the tablet PC 12 side. A pair of left and right hooks 24 are provided on one side surface 16a and engaged with an engagement hole (not shown) on the tablet PC 12 side. A terminal 26 that is electrically connected to the connection terminal portion 25 (see FIG. 5) of the keyboard device 10 is disposed at the center of the surface 16b of the expansion device 16 that is on the display 17 side when mounted on the tablet PC 12. ing. A pair of left and right operation levers 27 for moving the hook 24 back and forth in the engagement direction and the disengagement direction are provided on the back surface 16c of the expansion device 16 on the stand unit 18 side when attached to the tablet PC 12 ( (See FIG. 3).

  When the expansion device 16 is attached to the tablet PC 12, the surface 16b thereof is substantially flush with the surface 12b on the tablet PC 12 side, and the surfaces 12b and 16b form the surface of the tablet PC 12 as a whole.

  As shown in FIGS. 2 and 4, inside the surfaces 12 b and 16 b of the tablet PC 12, from the expansion device 16 side to the tablet PC 12 side in the Y direction perpendicular to the longitudinal direction of the one side surface 12 a (16 a). The device side first magnet row 28, the device side mounting magnet row 30, the device side second magnet row 32, and the device side third magnet row 34 are arranged in parallel with each other at intervals.

  The apparatus-side mounting magnet row 30 is disposed in the expansion device 16 so that a predetermined pole faces the surface 16b. The apparatus-side mounting magnet row 30 includes four apparatus-side mounting magnets 30aS, 30bN, 30cS, 30dN (hereinafter simply referred to as “magnets 30aS, 30bN, 30cS”) arranged in the X direction along the longitudinal direction of the one side surface 12a (16a). , 30 dN ”). The magnets 30aS and 30cS are arranged to be attracted with the south pole facing the surface 16b, and the magnets 30bN and 30dN are arranged to be attracted with the north pole facing the surface 16b. Magnets 30aS and 30bN are arranged adjacent to each other as a pair on one side of terminal 26 provided at the center of surface 16b, and magnets 30cS and 30dN are arranged adjacent to each other as a pair on the other side of terminal 26.

  The device-side first magnet row 28 is disposed in the expansion device 16 so that a predetermined pole faces the surface 16b on one side (lower side in FIG. 2) of the device-side mounting magnet row 30 in the Y direction. Has been. The device-side first magnet row 28 includes four device-side first magnets 28aS, 28bS, 28cS, 28dS (hereinafter also simply referred to as “magnets 28aS to 28dS”) arranged in the X direction. The magnets 28aS to 28dS are arranged so that they can be attracted with the south pole facing the surface 16b. The magnets 28aS and 28dS on both ends are respectively disposed near the left and right ends of the expansion device 16. The magnets 28bS and 28cS on the center side are aligned in the Y direction with the device side mounting magnets 30aS and 30dN, respectively, and the X direction positions thereof are the same.

  The device-side second magnet row 32 is disposed in the expansion device 16 so that a predetermined pole faces the surface 16b on the other side (upper side in FIG. 2) in the Y direction of the device-side mounting magnet row 30. Yes. The device-side second magnet row 32 includes four device-side second magnets 32aS, 32bS, 32cS, 32dS (hereinafter also simply referred to as “magnets 32aS to 32dS”) arranged in the X direction. The magnets 32aS to 32dS are arranged so that they can be attracted with the south pole facing the surface 16b. The magnets 32aS and 32dS on both ends are arranged near the left and right ends of the expansion device 16, respectively, and are aligned with the device-side first magnets 28aS and 28dS in the Y direction and have the same X-direction position. The magnets 32bS and 32cS on the center side are aligned in the Y direction with the device side mounting magnets 30aS and 30dN (device side first magnets 28bS and 28cS), respectively, and the X direction positions thereof are the same.

  The device side third magnet row 34 is disposed in the tablet PC 12 so that a predetermined pole faces the surface 12b on the other side (upper side in FIG. 2) in the Y direction of the device side second magnet row 32. Yes. The device-side third magnet row 34 includes six device-side third magnets 34aN, 34bN, 34cN, 34dN, 34eN, 34fN (hereinafter also simply referred to as “magnets 34aN to 34fN”) arranged in the X direction. The magnets 34aN to 34fN are arranged so that they can be attracted with the north pole facing the surface 12b. The magnets 34aN and 34dN on both ends are respectively arranged near the left and right ends of the tablet PC 12, and are aligned with the device-side first magnets 28aS and 28dS (device-side second magnets 32aS and 32dS) in the Y direction and have the same X-direction position. I'm doing it. The magnets 34bN and 34cN on the center side are aligned in the Y direction with the device side mounting magnets 30aS and 30dN (the device side first magnets 28bS and 28cS, the device side second magnets 32bS and 32cS), respectively, and the X direction positions are the same. . The remaining magnets 34eN and 34fN are arranged at positions between the magnets 34aN and 34bN and between the magnets 34cN and 34dN, respectively.

  As shown in FIG. 3, a device-side storage magnet row 36 is provided inside the back surface 12 c of the tablet PC 12, in this embodiment, inside the back surface 16 c of the expansion device 16.

  The device-side storage magnet row 36 is disposed in the expansion device 16 so that a predetermined pole faces the back surface 16c. The device-side storage magnet row 36 includes four device-side storage magnets 36aS, 36bN, 36cS, 36dN (hereinafter also simply referred to as “magnets 36aS, 36bN, 36cS, 36dN”) arranged in the X direction. The magnets 36aS and 36cS are arranged to be attracted with the south pole facing the back surface 16c, and the magnets 36bN and 36dN are arranged to be attracted with the north pole facing the back surface 16c. The arrangement pitch of the magnets 36aS, 36bN, 36cS, 36dN is set to the same pitch as the arrangement pitch of the apparatus-side mounting magnets 30aS, 30bN, 30cS, 30dN.

  FIG. 5 is a plan view illustrating a configuration example of the keyboard device 10.

  As shown in FIGS. 1 and 5, the keyboard device 10 includes a keyboard unit 40 and a touch pad 42 and serves as an input unit for the tablet PC 12. The width dimension (X-direction dimension) of the keyboard device 10 substantially matches the width dimension of the tablet PC 12. The keyboard device 10 includes an attachment portion 44 that is detachably attached to the tablet PC 12 and a flexible hinge portion 46 that connects between the attachment portion 44 and the keyboard portion 40.

  The mounting portion 44 is a rod-like member that is formed in a width dimension slightly smaller than the width dimension of the keyboard device 10 and extends in the X direction. In the center of the mounting portion 44, a connection terminal portion 25 that is electrically connected to the terminal 26 on the tablet PC 12 side is disposed. The mounting portion 44 has a certain degree of rigidity because, for example, a core material along the longitudinal direction is accommodated therein. A mounting magnet row 48 is provided on the inner side of the surface 44a of the mounting portion 44 on the keyboard portion 40 side.

  The mounting magnet row 48 is disposed in the mounting portion 44 so that a predetermined pole faces the surface 44a. The mounting magnet row 48 includes four mounting magnets 48aN, 48bS, 48cN, 48dS (hereinafter simply referred to as “magnets 48aN, 48bS, 48cN, 48dS”) arranged in the X direction along the longitudinal direction of the mounting portion 44. And four auxiliary mounting magnets 48eN, 48fN, 48gN, 48hN (hereinafter also simply referred to as “magnets 48eN to 48hN”) arranged in pairs on the left and right ends. The magnets 48aN, 48cN, 48eN to 48hN are arranged so that they can be attracted with the N pole facing the surface 44a, and the magnets 48bS, 48dS are arranged so that they can be attracted with the S pole facing the surface 44a.

  The magnets 48aN and 48bS are disposed adjacent to each other as a pair on one side of the connection terminal portion 25, and the magnets 48cN and 48dS are disposed adjacent to each other as a pair on the other side of the connection terminal portion 25. The arrangement pitch of the magnets 48aN, 48bS, 48cN, 48dS is the same as the arrangement pitch of the apparatus side mounting magnets 30aS, 30bN, 30cS, 30dN (equipment side storage magnets 36aS, 36bN, 36cS, 36dN) on the tablet PC 12 side. The N pole and the S pole are reversely arranged.

  The magnets 48eN and 48hN on both ends are respectively arranged near the left and right ends of the mounting portion 44, and the magnets 48fN and 48gN are disposed between the magnets 48eN and 48hN and the magnets 48aN and 48dS. These magnets 48eN to 48hN are used for mounting a cover member 60 described later.

  The flexible hinge portion 46 is a hinge-like portion that connects the mounting portion 44 and the keyboard portion 40 with flexibility. The flexible hinge portion 46 is formed of a material that can be bent at least along the X direction, for example, a sheet-like member such as a thin resin or leather. In the flexible hinge portion 46, the first magnet row 50 and the second magnet row 52 are arranged in parallel with each other with a gap in order from the mounting portion 44 side to the keyboard portion 40 side in the Y direction.

  The first magnet row 50 is arranged in a belt-like portion having a certain degree of rigidity by accommodating the core member 54 extending in the X direction inside the flexible hinge portion 46. The first magnet array 50 includes six first magnets 50aN, 50bN, 50cN, 50dN, 50eN, and 50fN (hereinafter, also simply referred to as “magnets 50aN to 50fN”) arranged in the X direction as the extending direction of the core material 54. Is provided. The magnets 50aN to 50fN are arranged so that they can be attracted with the north pole facing the surface 46a of the flexible hinge 46. The arrangement pitch of the magnets 50aN to 50fN is set to the same pitch as the arrangement pitch of the device side third magnets 34aN to 34fN (device side first magnets 28aS to 28dS, device side second magnets 32aS to 32dS) on the tablet PC 12 side. ing.

  The second magnet row 52 is arranged in a belt-like portion having a certain degree of rigidity by accommodating the core material 55 extending in the X direction inside the flexible hinge portion 46. The second magnet row 52 includes six second magnets 52aS, 52bS, 52cS, 52dS, 52eS, and 52fS (hereinafter, also simply referred to as “magnets 52aS to 52fS”) arranged in the X direction as the extending direction of the core material 55. Is provided. The magnets 52aS to 52fS are arranged so that they can be attracted with the south pole facing the surface 46a of the flexible hinge 46. The arrangement pitch of the magnets 52aS to 52fS is the arrangement pitch of the magnets 50aN to 50fN, that is, the device side third magnets 34aN to 34fN on the tablet PC 12 side (the device side first magnets 28aS to 28dS, the device side second magnets 32aS to 32dS). Is set to the same pitch as the arrangement pitch.

  Since the flexible hinge portion 46 is formed of a thin sheet-like member, the magnets 50aN to 50fN having the N pole facing the surface 46a are the S pole with respect to the back surface 46b facing the back surface of the keyboard device 10. It is arranged to face. Similarly, the magnets 52aS to 52fS having the south pole facing the surface 46a are arranged so that the north pole faces the back surface 46b.

  6 is an enlarged side view of the main part showing a state where the installation angle of the keyboard device 10 attached to the tablet PC 12 is minimized, and FIG. 7 is an enlarged view of the keyboard device 10 from the state shown in FIG. FIG. 8 is an enlarged side view of an essential part showing a state where the installation angle of the keyboard device 10 is further increased from the state shown in FIG. FIG. 9 is an enlarged side view of a main part in which the keyboard device 10 attached to the tablet PC 12 is stored. FIG. 9A is a state where the keyboard device 10 is stored on the surface 12b side of the tablet PC 12. FIG. 9B is a diagram illustrating a state in which the keyboard device 10 is housed on the back surface 12c side of the tablet PC 12.

  First, when the keyboard device 10 is mounted on the tablet PC 12, the surface 44 a of the mounting portion 44 of the keyboard device 10 is disposed to face the surface 16 b of the tablet PC 12. Then, the four magnets 48aN, 48bS, 48cN, and 48dS of the mounting magnet row 48 are attracted to the four magnets 30aS, 30bN, 30cS, and 30dN of the device-side mounting magnet row 30, and the connection terminal portion 25 is simultaneously connected to the terminal 26. Connecting. Thereby, as shown in FIG. 6, the keyboard apparatus 10 is mounted on the surface 16b of the tablet PC 12 via the mounting portion 44, and both are electrically connected. Note that the keyboard device 10 and the tablet PC 12 may be connected so as to be able to communicate wirelessly.

  In this state, the tablet-type PC 12 is erected with the side surface 12a side down through the stand portion 18, and becomes between the mounting portion 44 of the flexible hinge portion 46 and the first magnet row 50 as shown in FIG. The position is folded back along the X direction. Subsequently, the N poles facing the back surface 46b side of the four magnets 52aS to 52dS of the second magnet row 52 on the keyboard device 10 side are attracted to the four magnets 28aS to 28dS of the device side first magnet row 28 on the tablet PC 12 side. Let If it does so, as shown in FIG.1 and FIG.6, it will become a use form as a notebook-type PC which set the keyboard part 40 of the keyboard apparatus 10 to the minimum installation angle along a substantially horizontal direction.

  Next, the keyboard device 10 is mounted on the tablet PC 12 through the mounting unit 44, and the tablet PC 12 is erected through the stand unit 18. Further, as shown in FIG. 7, the four magnets 50aN to 50dN of the first magnet row 50 on the keyboard device 10 side are attracted to the four magnets 32aS to 32dS of the device side second magnet row 32 on the tablet PC 12 side. Subsequently, the position between the first magnet row 50 and the second magnet row 52 of the flexible hinge portion 46 is folded downward along the X direction, and the back surface 46b of the six magnets 50aN to 50fN of the first magnet row 50 is returned. The south pole facing the side and the north pole facing the back surface 46b side of the six magnets 52aS to 52fS of the second magnet row 52 are attracted. And the position which becomes between the keyboard part 40 and the 2nd magnet row | line | column 52 of the flexible hinge part 46 is turned back along the X direction so that the keyboard part 40 may extend ahead. Then, as shown in FIG. 7, the keyboard unit 40 of the keyboard device 10 has a rear end positioned at an upper position than the installation angle shown in FIG. 6, and a notebook type set at an intermediate installation angle inclined forward and downward. It will be used as a PC.

  Next, the keyboard device 10 is mounted on the tablet PC 12 through the mounting unit 44, and the tablet PC 12 is erected through the stand unit 18. Further, as shown in FIG. 8, the four magnets 50aN to 50dN of the first magnet row 50 on the keyboard device 10 side are attracted to the four magnets 32aS to 32dS of the device side second magnet row 32 on the tablet PC 12 side. Subsequently, the six magnets 52aS to 52fS of the second magnet row 52 on the keyboard device 10 side are attracted to the six magnets 34aN to 34fN of the device side third magnet row 34 on the tablet PC 12 side. And the position which becomes between the keyboard part 40 and the 2nd magnet row | line | column 52 of the flexible hinge part 46 is turned back along the X direction so that the keyboard part 40 may extend ahead. Then, as shown in FIG. 8, the keyboard unit 40 of the keyboard device 10 is set at the maximum installation angle in which the rear end portion is further positioned higher than the installation angle shown in FIG. It will be used as a notebook PC.

  In addition, since the apparatus side 3rd magnet row | line | column 34 is arrange | positioned inside the glass surface in the surface 12b of the tablet-type PC12, other magnet row | line | column (equipment side 1st magnet row | line | column 30 grade | etc., Etc.) arrange | positioned inside a resin plate. ) Lowers the magnetic force on the surface 12b. Therefore, in the electronic device 14, sufficient attracting force is secured by increasing the number of magnets installed in the device-side third magnet row 34 more than the number of magnets installed in other magnet rows (the device-side first magnet row 30, etc.). ing.

  On the other hand, as shown in FIG. 9A, when the keyboard device 10 is stacked on the surface 12b, 16b side of the tablet PC 12 and the display device 17 is covered with the keyboard device 10, the mounting device 44 is used. The keyboard device 10 is attached to the tablet PC 12. Subsequently, the four magnets 50aN to 50dN of the first magnet row 50 on the keyboard device 10 side are attracted to the four magnets 32aS to 32dS of the device-side second magnet row 32 on the tablet PC 12 side. Further, the six magnets 52aS to 52fS of the second magnet row 52 on the keyboard device 10 side are attracted to the six magnets 34aN to 34fN of the device side third magnet row 34 on the tablet PC 12 side. Then, the keyboard unit 40 is overlaid so as to cover the display 17. Then, as illustrated in FIG. 9A, the keyboard device 10 can be in a storage posture in which the display 17 is covered, and the electronic device 14 is suitable for carrying.

  Next, as shown in FIG. 9B, when the keyboard device 10 is stacked on the back surface 12c side of the tablet PC 12 and the display 17 is exposed to be usable, the mounting portion 44 of the keyboard device 10 is used. The front surface 44a of the tablet PC 12 is disposed opposite to the back surface 16c of the tablet PC 12. Then, the four magnets 48aN, 48bS, 48cN, 48dS of the mounting magnet row 48 are attracted to the four magnets 36aS, 36bN, 36cS, 36dN of the device-side storage magnet row 36. As a result, as shown in FIG. 9B, the keyboard device 10 is mounted on the back surface 16 c of the tablet PC 12 via the mounting portion 44. In this state, the position between the mounting portion 44 of the flexible hinge portion 46 and the first magnet row 50 is folded back along the X direction toward the back surfaces 12c and 16c, and the keyboard portion 40 covers the back surface 12c of the tablet PC 12. Overlap like so. Then, as shown in FIG. 9 (B), a normal tablet suitable for use in a state where the keyboard device 10 covers the back surfaces 12c and 16c and the electronic device 14 is held by hand can be obtained. It is used as a mold PC.

  The expansion device 16 may have a configuration in which a projector module 58 is mounted as shown in FIG. The projector module 58 includes, for example, a cylindrical casing 58a that is rotatably provided on the casing of the expansion device 16, a projection lens 58b that is provided on the outer peripheral surface of the cylindrical casing 58a, and an operation button 58c. Composed. The expansion device 16 may be mounted with a camera module such as a 2D camera or a 3D camera (not shown) instead of the projector module 58.

  In the expansion device 16 equipped with the projector module 58, it is necessary to arrange magnets while avoiding the installed projector module 58. Therefore, the arrangement of the device-side second magnet row 32 as compared with the expansion device 16 shown in FIG. Is slightly different. The expansion device 16 includes device-side second magnets 32eS and 32fS that are displaced outwardly from the central device-side second magnets 32bS and 32cS. The arrangement pitch of the magnets 32eS and 32fS is set to the same pitch as the arrangement pitch of the device-side third magnets 34eN and 34fN (the first magnets 50eN and 50fN and the second magnets 52eS and 52fS on the keyboard device 10 side).

  Incidentally, the tablet PC 12 constituting the electronic device 14 according to the present embodiment may be used in a single state in which the expansion device 16 is not attached. In this state, the step between the surface 12b and the one side surface 12a of the tablet PC 12 and the engagement hole and the uneven shape for mounting the expansion device 16 are exposed on the one side surface 12a. Therefore, in the electronic device 14, when the tablet PC 12 is used alone, the cover member 60 (see FIG. 11) can be attached to the one side surface 12a instead of the expansion device 16. The tablet PC 12 ensures the external appearance quality of the outer surface on the side surface 12 a side by the attached cover member 60.

  FIG. 11 is a front view of the tablet PC 12 with the cover member 60 removed. FIGS. 12A and 12B are configuration diagrams of the tablet PC 12 with the cover member 60 attached. FIG. 12A is a rear view and FIG. 12B is a bottom view.

  As shown in FIGS. 11 and 12, the cover member 60 is a bar-shaped end member that extends along the one side surface 12 a of the tablet PC 12. Since the cover member 60 forms the outer surface of the tablet PC 12 when mounted on the tablet PC 12, the longitudinal dimension thereof is set to be substantially the same as the width dimension of the one side surface 12a of the tablet PC 12. The cover member 60 is provided with a plurality of hooks 62 protruding from one side surface 60a of the cover member 60 as an attachment / detachment portion for the tablet PC 12. The hook 62 is engaged with an engagement hole (not shown) on the tablet PC 12 side.

  The cover member 60 has a terminal escape hole 64 at a position corresponding to the terminal 20 when mounted on the tablet PC 12. The terminal relief hole 64 is a hole through which the terminal 20 is inserted, and allows the terminal 20 to be used from the side of the other side surface 60b that is the outer surface of the tablet PC 12 with the cover member 60 attached. That is, the cover member 60 is attached to the tablet PC 12, and the other side surface 60b is a bottom surface on the tablet PC 12 side.

  On the inner side of the other side surface 60b of the cover member 60, a device-side mounting magnet row 66 is provided. The apparatus-side mounting magnet row 66 is disposed in the cover member 60 so that a predetermined pole faces the other side surface 60b. The device-side mounting magnet row 66 is composed of four device-side mounting magnets 66aS, 66bN, 66cS, 66dN (hereinafter simply referred to as “magnets 66aS, 66bN, 66cS”) arranged in the X direction along the longitudinal direction of the cover member 60. , 66dN ”) and four appliance side auxiliary mounting magnets 66eS, 66fS, 66gS, 66hS (hereinafter also simply referred to as“ magnets 66eS to 66hS ”) arranged in pairs on the left and right ends. The magnets 66aS, 66cS, 66eS to 66hS are arranged to be attracted with the south pole facing the other side surface 60b, and the magnets 66bN and 66dN are arranged to be attracted with the north pole facing the other side surface 60b.

  The magnets 66aS and 66bN are arranged adjacent to each other as a pair on one side of the terminal 20 disposed through the terminal escape hole 64 provided in the center of the other side surface 60b, and the magnets 66cS and 66dN are paired on the other side of the terminal 20. Are arranged adjacent to each other. The arrangement pitch of the magnets 66aS, 66bN, 66cS, 66dN is set to the same pitch as the arrangement pitch of the apparatus-side mounting magnets 30aS, 30bN, 30cS, 30dN. That is, the arrangement pitch of the magnets 66aS, 66bN, 66cS, 66dN is set to the same pitch as the arrangement pitch of the magnets 48aN, 48bS, 48cN, 48dS on the keyboard device 10 side, and the N pole S pole is reversely arranged. .

  The magnets 66eS and 66hS on both ends are respectively disposed near the left and right ends of the cover member 60, and the magnets 66fS and 66gS are disposed between the magnets 66eS and 66hS and the magnets 66aS and 66dN. The arrangement pitch of these magnets 66eS to 66hS can be attracted to each other by being set to the same pitch as the arrangement pitch of the auxiliary mounting magnets 48eN to 48hN of the mounting portion 44 of the keyboard device 10.

  FIG. 13 is an enlarged side view of a main part showing a state in which the installation angle of the keyboard device 10 attached to the tablet PC 12 using the cover member 60 is minimized, and FIG. 14 shows the keyboard device 10 from the state shown in FIG. It is a principal part expanded side view which shows the state which enlarged and maximized the installation angle. FIG. 15 is an enlarged side view of a main part in which the keyboard device 10 mounted on the tablet PC 12 using the cover member 60 is housed, and FIG. 15A shows the keyboard device 10 on the surface of the tablet PC 12. FIG. 15B is a diagram illustrating a state in which the keyboard device 10 is stored on the back surface 12c side of the tablet PC 12.

  First, when the keyboard device 10 is mounted on the tablet PC 12 with the cover member 60 mounted on the one side surface 12a, the other side surface of the cover member 60 where the surface 44a of the mounting portion 44 of the keyboard device 10 serves as the bottom surface of the tablet PC 12 is used. It is arranged opposite to 60b. The four magnets 48aN, 48bS, 48cN, and 48dS of the mounting magnet row 48 are attracted to the four magnets 66aS, 66bN, 66cS, and 66dN of the device-side mounting magnet row 66, and the four auxiliary mounting magnets 48eN to 48eN. 48 hN is attracted to the four appliance side auxiliary mounting magnets 66eS to 66hS. At the same time, the connection terminal portion 25 is connected to the terminal 20 inserted through the terminal escape hole 64. Accordingly, as shown in FIG. 13, the keyboard device 10 is mounted on the bottom surface (the other side surface 60b) of the tablet PC 12 via the mounting portion 44, and both are electrically connected.

  In this state, the tablet PC 12 is erected with the mounting portion 44 mounted on the bottom face down via the stand portion 18, and the mounting portion 44 of the flexible hinge portion 46, the first magnet row 50, and the like as shown in FIG. The position between the two is folded back along the X direction so that the keyboard unit 40 extends forward. If it does so, it will become a use form as a notebook-type PC which set the keyboard part 40 of the keyboard apparatus 10 to the minimum installation angle along a substantially horizontal direction.

  13, the position between the first magnet row 50 and the second magnet row 52 of the flexible hinge portion 46 is folded back upward in the X direction in a mountain shape, and the first magnet row 50 The S poles facing the back surface 46b side of the six magnets 50aN to 50fN may be attracted to the N poles facing the back surface 46b side of the six magnets 52aS to 52fS of the second magnet row 52. If it does so, it will be in the usage form which the position of the keyboard part 40 moved horizontally to the position which approached the tablet-type PC12 side rather than the position shown in FIG.

  Next, the keyboard device 10 is mounted on the tablet PC 12 through the mounting unit 44, and the tablet PC 12 is erected through the stand unit 18. Further, as shown in FIG. 14, a position between the mounting portion 44 of the flexible hinge portion 46 and the first magnet row 50 is folded back along the X direction toward the surface 12b. Subsequently, the six magnets 52aS to 52fS of the second magnet row 52 on the keyboard device 10 side are attracted to the six magnets 34aN to 34fN of the device side third magnet row 34 on the tablet PC 12 side. And the position which becomes between the keyboard part 40 and the 2nd magnet row | line | column 52 of the flexible hinge part 46 is turned back along the X direction so that the keyboard part 40 may extend ahead. Then, as shown in FIG. 14, the keyboard unit 40 of the keyboard device 10 is arranged such that the rear end portion is located at an upper position with respect to the installation angle shown in FIG. It will be used as a PC.

  On the other hand, as shown in FIG. 15A, when the keyboard device 10 is stacked on the surface 12b side of the tablet PC 12 and the display device 17 is covered with the keyboard device 10, the keyboard device 10 is interposed via the mounting portion 44. 10 is attached to the tablet PC 12. Further, a position between the mounting portion 44 of the flexible hinge portion 46 and the first magnet row 50 is folded back along the X direction toward the surface 12b. Subsequently, the six magnets 52aS to 52fS of the second magnet row 52 on the keyboard device 10 side are attracted to the six magnets 34aN to 34fN of the device side third magnet row 34 on the tablet PC 12 side. Then, the keyboard unit 40 is overlaid so as to cover the display 17. Then, as shown in FIG. 15A, the keyboard device 10 can be in a storage posture in which the display 17 is covered, and the electronic device 14 is suitable for carrying.

  Next, as shown in FIG. 15B, when the keyboard device 10 is stacked on the back surface 12c side of the tablet PC 12 and the display 17 is exposed so as to be usable, the keyboard is interposed via the mounting portion 44. The apparatus 10 is attached to the tablet PC 12. Further, a position between the mounting portion 44 of the flexible hinge portion 46 and the first magnet row 50 is folded back toward the back surface 12c along the X direction. Subsequently, the position between the first magnet row 50 and the second magnet row 52 of the flexible hinge portion 46 is folded back toward the back surface 12c along the X direction. Then, as shown in FIG. 15 (B), the tablet device 10 can be in a storage posture in which the back surface 12c is covered with the keyboard device 10, and is a normal tablet PC suitable for use in a state where the electronic device 14 is held by hand. It becomes the usage form.

  As described above, the keyboard device 10 according to the present embodiment is based on the device-side mounting magnets 30aS, 30bN, 30cS, and 30dN disposed along the one side surface 12a of the tablet PC 12 that is a portable information device. A mounting portion 44 having mounting magnets 48aN, 48bS, 48cN, and 48dS that can be attracted, a flexible hinge portion 46 that connects the mounting portion 44 and the keyboard portion 40, and a flexible hinge portion 46 46 includes first magnets 50aN to 50fN and second magnets 52aS to 52fS arranged in parallel with each other from the mounting portion 44 side toward the keyboard portion 40 side.

  Therefore, the keyboard device 10 is attached to and detached from the tablet PC 12 by attracting the mounting magnets 48aN, 48bS, 48cN, and 48dS of the mounting portion 44 to the device-side mounting magnets 30aS, 30bN, 30cS, and 30dN of the tablet PC 12. Can be installed as possible. At this time, since the flexible hinge portion 46 is provided between the keyboard portion 40 and the attachment portion 44, the keyboard portion 40 is held at a desired angle via the flexible hinge portion 46 in a state where the attachment portion 44 is attached to the tablet PC 12. The tablet PC 12 can be used like a notebook PC. In addition, the flexible hinge portion 46 is provided with first magnets 50aN to 50fN and second magnets 52aS to 52fS arranged in parallel with each other at intervals. Therefore, the first magnets 50aN to 50fN and the second magnets 52aS to 52fS are replaced with other magnets on the tablet PC 12 side (in this embodiment, the device side first magnets 28aS to 28dS, the device side second magnets 32aS to 32dS and the device). By appropriately attracting the side third magnets 34aN to 34fN), the installation angle of the keyboard unit 40 can be adjusted in three stages to improve operability.

  In this case, the first magnets 50aN to 50f and the second magnets 52aS to 52fS are set so that the poles facing the surfaces 40a and 44a of the keyboard device 10 are reversed. Thereby, for example, as shown in FIG. 7, the flexible hinge portion 46 can be folded back so that the first magnets 50 aN to 50 fN and the second magnets 52 aS to 52 fS can be attracted to each other, and the installation angle of the keyboard portion 40 can be freely adjusted. Increasing degree.

  In the electronic device 14 according to the present embodiment, the tablet PC 12 includes the device-side first magnets 28aS to 28aS provided on one side of the device-side mounting magnets 30aS, 30bN, 30cS, and 30dN in a direction orthogonal to the one side surface 12a. 28dS, and device side second magnets 32aS to 32dS and device side third magnets 34aN to 34fN provided on the other side of the device side mounting magnets 30aS, 30bN, 30cS, and 30dN in a direction orthogonal to the one side surface 12a. . Accordingly, the first magnets 50aN to 50fN and the second magnets 52aS to 52fS of the keyboard device 10 are replaced with the device-side first magnets 28aS to 28dS, the device-side second magnets 32aS to 32dS, and the device-side third magnet on the tablet PC 12 side. 34aN to 34fN can be appropriately adsorbed, and the degree of freedom in adjusting the installation angle of the keyboard unit 40 is ensured.

  In this case, the device side first magnets 28aS to 28dS and the device side second magnets 32aS to 32dS have the same poles facing the surface 12b of the tablet PC 12, and the device side second magnets 32aS to 32dS and the device side first magnets The poles facing the surface 12b of the tablet PC 12 are set opposite to the three magnets 34aN to 34fN. Thus, the first magnets 50aN to 50fN and the second magnets 52aS to 52fS, whose poles facing the surfaces 40a and 44a of the keyboard device 10 are set in reverse, are attracted to each magnet on the tablet PC 12 side with a high degree of freedom in arrangement. Thus, the degree of freedom in adjusting the installation angle of the keyboard unit 40 is ensured.

  It should be noted that the present invention is not limited to the above-described embodiment, and it is needless to say that the present invention can be freely changed without departing from the gist of the present invention.

  For example, in the above-described embodiment, the configuration in which the expansion device 16 or the cover member 60 is detachably attached to the main body of the tablet PC 12 is illustrated. However, the expansion device 16 or the cover member 60 is not removable from the main body of the tablet PC 12. You may be comprised integrally. In other words, the tablet PC 12 includes the device-side mounting magnets 30aS, 30bN, 30cS, and 30dN on which the keyboard device 10-side magnets are mounted, the device-side first magnets 28aS to 28dS, and the device-side second magnets 32aS to 32dS. And if it has apparatus side 3rd magnet 34aN-34fN, the structure which is not equipped with the expansion apparatus 16 or the cover member 60 may be sufficient.

10 Keyboard device 12 Tablet PC
12a, 16a, 60a One side surface 12b, 16b, 44a, 46a Front surface 12c, 16c, 46b Rear surface 14 Electronic device 16 Expansion device 17 Display 18 Stand unit 28 Device side first magnet row 28aS to 28dS Device side first magnet 30, 66 Equipment side mounting magnet array 30aS, 30bN, 30cS, 30dN, 66aS, 66bN, 66cS, 66dN Equipment side mounting magnet 32 Equipment side second magnet array 32aS to 32dS, 32eS, 32fS Equipment side second magnet 34 Equipment side third Magnet row 34aN to 34fN Device side third magnet 36 Device side storage magnet row 36aS, 36bN, 36cS, 36dN Device side storage magnet 40 Keyboard portion 44 Mounting portion 46 Flexible hinge portion 48 Mounting magnet row 48aN, 48bS, 48cN, 48dS mounting magnet 48e ~48hN auxiliary mounting magnet 50 first magnet array 50aN~50fN first magnet 52 and the second magnet array 52aS~52fS second magnet 60 cover member 66eS~66hS equipment side auxiliary mounting magnets

Claims (8)

An electronic apparatus comprising: a portable information device; and a keyboard device that is detachably attached to the portable information device and includes a keyboard unit that performs an input operation on the portable information device,
The keyboard device includes a mounting portion having a mounting magnet that can be attracted to a device-side mounting magnet disposed along one side of the portable information device;
A flexible hinge portion connecting between the mounting portion and the keyboard portion;
A first magnet and a second magnet which are provided in the flexible hinge portion and arranged in parallel with each other from the mounting portion side of the flexible hinge portion toward the keyboard portion;
The portable information device is a device-side first magnet provided on one side of the device-side mounting magnet in a direction orthogonal to the one side surface,
An electronic device comprising: a device-side second magnet and a device-side third magnet provided on the other side of the device-side mounting magnet in a direction orthogonal to the one side surface. The electronic device according to claim 1,
The device-side first magnet and the device-side second magnet have the same poles facing the surface of the portable information device,
The electronic device, wherein the device-side second magnet and the device-side third magnet have opposite poles facing the surface of the portable information device. The electronic device according to claim 2,
When the position between the mounting portion of the flexible hinge portion and the first magnet is folded back while the mounting magnet of the keyboard device is attracted to the mounting magnet of the portable information device An electronic device characterized in that the second magnet can be attracted to the device-side first magnet. The electronic device according to claim 2 or 3,
The first magnet of the flexible hinge section in a state where the mounting magnet of the keyboard device is attracted to the device-side mounting magnet of the portable information device and the first magnet is attracted to the device-side second magnet. When the position between the first magnet and the second magnet is folded, the poles of the first magnet and the second magnet facing the back surface of the keyboard device can be adsorbed. In the electronic device of any one of Claims 2-4,
In a state where the mounting magnet of the keyboard device is attracted to the device-side mounting magnet of the portable information device and the first magnet is attracted to the device-side second magnet, the second magnet is connected to the device-side magnet. An electronic device that can be attracted to three magnets. In the electronic device of any one of Claims 1-5,
The portable information device has a device-side storage magnet capable of attracting the mounting magnet on a back surface which is a back surface side of a surface provided with the device-side mounting magnet. In the electronic device of any one of Claims 1-6,
The portable information device is a tablet personal computer having a touch-operable display, and further comprising a stand for holding the portable information device to the back of the portable information device to the upright position Electronic equipment. In the electronic device of any one of Claims 1-7,
The electronic apparatus according to claim 1, wherein the first magnet and the second magnet have opposite poles facing the surface of the keyboard device.

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