JPH04237361A - Case for hand-writing input device - Google Patents

Abstract

PURPOSE:To easily observe the liquid crystal display part of a liquid crystal panel at the time of using a hand-writing input device and to use a case as a carrying case for the hand-writing input device when the device is not used. CONSTITUTION:In the case 80 covering the hand-writing input device 1 constituted of fixing the rectangular liquid crystal panel 31 consisting of the liquid crystal display part 31a covered with a tablet 31b to the inside of a rectangular aperture part 10b formed on the upper surface 10a of a device body 2 and inputting and displaying information (a) hand-written on the tablet 31b with a pen 4 with a case body 81, the case body 81 consisting of a buttom part 82 covering the buttom of the device body 2, a back part 84 covering the back of the body 2 and an upper part 86 covering the upper surface 10a is thickly and unitedly molded by synthetic resin, thin hinge parts 83, 85 are respectively formed on respective boundaries of respective parts and the upper part 86 of the case body 81 can be optionally bent also to the buttom part (82) side opposed to the buttom of the device body 2.

Description

[Detailed description of the invention]

0001

[Field of Industrial Application] The present invention relates to a case that covers a portable handwriting input device that can input and display information such as characters and figures handwritten with an electrostatic pressure-sensitive pen on a liquid crystal panel. .

0002

[Prior art] The present applicant has, for example, patent application No. 1-2438
No. 74 discloses a portable handwriting input device with a built-in computer (hereinafter referred to as CPU). This is shown in Figure 13~
To explain in detail with reference to FIG. 15, 100 is a portable handwriting input device. This handwriting input device 100 is
The apparatus main body 120 is composed of a housing-shaped liquid crystal unit main body 110 and a device main body 120 in which the liquid crystal unit main body 110 can be freely folded onto the upper surface 120a via a pair of hinge parts 121, 121 provided at the rear edge of the upper surface 120a. There is. A rectangular opening 110b is formed in the center of the upper surface 110a of this liquid crystal unit main body 110, and a liquid crystal panel 111 consisting of a liquid crystal display portion covered with a transparent tablet is mounted within this opening 110b. In addition, the device main body 12
A pen accommodating recess 120b for accommodating an electrostatic pressure-sensitive pen 130 is formed at a position near the pair of hinge parts 121, 121 on the upper surface 120a of 0.

[0003]As shown in FIG. 13, this handwriting input device 100 has a liquid crystal unit main body 1 when not in use.
10 is folded onto the device body 120 to protect the liquid crystal panel 111 exposed through the opening 110b of the upper surface 110a of the liquid crystal unit body 110. When using the handwriting input device 100 from this state, as shown in FIG.
from the top of the device body 120, lock lever 11 provided at the center of the front of the liquid crystal unit body 110.
2, the liquid crystal unit main body 110 is opened 180 degrees with respect to the device main body 120, as shown in FIG. 14, and the liquid crystal unit main body 110 is used with the liquid crystal unit main body 110 in front. Then, the liquid crystal panel 111 of the opened liquid crystal unit main body 110
When information such as characters and figures is handwritten on the tablet using the pen 130, the information is input and displayed on the liquid crystal panel 111. The information displayed on the liquid crystal panel 111 can be printed by connecting an L-shaped rectangular male connector 140 of a printer (not shown) to the female connector 122 of the device main body 120, as shown in FIG. .

Further, the pen 130 can be used by connecting a plug 132 attached to the tip of the cord 131 to a jack 123 disposed in the pen storage section 120b of the device main body 120. It can also be used by connecting the plug 132 of the pen 130 to the jack 113 located on the right side. still,
A flexible substrate (not shown) for transmitting signals is built into the pair of hinges 121, 121 of the device main body 120, and as a result, the liquid crystal unit main body 110 is free from electrical interference. Top surface 1
It is designed to be folded onto 20a. Further, four operation key switches 114 are respectively attached to the upper surface 110a of the liquid crystal unit main body 110. moreover,
On the upper surface 120a of the device main body 120, a battery storage section 1 is provided.
24, a speaker 125, a power switch 126, and four operation key switches 127 are respectively attached.

[0005]

[Problems to be Solved by the Invention] However, in the preceding handwriting input device 100, the liquid crystal unit main body 1
When inputting data to the LCD panel 111 of No. 10 using the pen 130, the LCD unit main body 110 is placed horizontally on a desk or the like, so the liquid crystal display section of the LCD panel 111 is difficult to see. 13
It was difficult to write information such as letters by hand in 0. When carrying the handwriting input device 100, the entire device is covered with a cover or the like. SUMMARY OF THE INVENTION Therefore, the present invention provides a case for a handwriting input device that can make the liquid crystal display section of a liquid crystal panel easier to see when the handwriting input device is in use, and can also be used as a carrying case when not in use.

[0006]

[Means for solving the problem] A rectangular liquid crystal panel consisting of a liquid crystal display section covered by a tablet is installed in a rectangular opening formed on the top surface of the device body, and information handwritten with a pen on the tablet is displayed. In the case of the handwriting input device in which the case body covers the handwriting input device for inputting and displaying information on the liquid crystal panel, the case body includes:
The case body is formed thick enough to cover at least the bottom, back, and top surfaces of the device main body, and a thin wall is formed in the portion of the case body that faces the boundary between the bottom and back and the boundary between the back and top of the device main body. Hinge portions are respectively formed, and via these hinge portions, the portion of the case body facing the top surface of the device main body can be bent also to the portion facing the bottom surface of the device main body.

[0007]

[Operation] When using the handwriting input device, if the portion of the case body facing the top surface of the device body is bent toward the portion facing the bottom surface of the device body, the device body will tilt toward you at a predetermined angle. This inclination of the main body of the device makes it easier to see the liquid crystal display section of the liquid crystal panel exposed in the opening on the top surface, and makes it easier to write information such as characters on the tablet of the liquid crystal panel with a pen. Additionally, it can be used as a carrying case when the handwriting input device is not in use.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the drawings. In Figures 1 to 5, 1 is a portable handwriting input device with a built-in CPU, and is a system with multiple functions such as input/display registration of character and graphic information a, calculator, clock, calendar, and various information processing. It can be used as a notebook. The device main body 2 of this handwriting input device 1 is shown in FIGS. 2 and 3.
And as shown in FIG. 5, the lower surface side is fully opened, and
A rectangular opening 10 is located to the left of the center of the upper surface 10a.
Shallow casing-shaped upper cabinet 10 made of synthetic resin with b
, the top side is completely open and the upper edge is the upper cabinet 1.
The lower cabinet 20 is made of synthetic resin and has a shallow housing shape, and is covered with a case 80 which will be described later.

A concave pen holder 11 on which an electrostatic pressure-sensitive pen 4 is placed is integrally formed on the upper surface 10a of the upper cabinet 10 so as to be parallel to the upper edge of the opening 10b. . A plurality of small holes 11a are formed at the left end side of the pen holder 11, respectively. A speaker 6 is arranged inside the upper cabinet 10 (on the lower surface 10c side) behind each small hole 11a. Further, on the upper right side of the upper surface 10a of the upper cabinet 10, a display density dial 12 that can freely adjust the screen density of the liquid crystal display section of the liquid crystal panel, which will be described later, and a power switch 13 are arranged, respectively. be. Further, on the front side of the right side wall portion 10d of the upper cabinet 10, a volume control switch 14 is provided that can freely adjust the volume of the speaker 6.
and a backlight control switch 15 for adjusting the illuminance of the backlight for the liquid crystal panel, which will be described later.As shown in FIG. A DC power input terminal 16 is arranged.

[0010] Also, the lower surface 10 of the upper cabinet 10
As shown in FIG. 5, the four corners near the opening 10b of c
Approximately L-shaped ribs 17a to 17d are integrally molded downward. A rectangular substrate 30 for a liquid crystal panel drive circuit is attached to the lower surface 10c of the upper cabinet 10 between the ribs 17a to 17d via a buffer member, a mounting plate, etc., which will be described later. A rectangular liquid crystal panel (LCD) 31 is placed on this substrate 30 by bending a part 32a of the front, rear edge and right edge of a frame-shaped sheet metal 32 into an inverted L-shape to form a predetermined gap. They are laminated and fixed via h. As shown in FIGS. 5 and 6, this liquid crystal panel 31 includes a rectangular liquid crystal display section 31a and a transparent touch sensor as an input device that is bonded to the liquid crystal display section 31a exposed from the sheet metal 32 with an adhesive or the like. A rectangular tablet 31 consisting of
b, and is exposed through the opening 10b of the upper cabinet 10. Note that the substrate 30 and the liquid crystal panel 31 are connected by a flexible sheet-like wiring 33a. Further, a thin backlight (fluorescent screen) 34 is inserted between the substrate 30 and the liquid crystal panel 31. Furthermore, reference numeral 30b in FIG. 5 is a flexible sheet-like wiring 33b, which connects the board 30 and a board 39 for a signal processing circuit, which will be described later, arranged in the lower cabinet 20.

Furthermore, buffer members 3 are provided at each of the four corner portions 30a to 30d of the substrate 30 exposed from the sheet metal 32.
5, 35, 36, and 36 are fitted respectively. Each of the buffer members 35 to 36 is made of rubber having a hardness of 60 to 100. Among these buffer members 35, 36, one pair of buffer members 35, 35 is formed into a planar L-shaped block shape, and the other pair of buffer members 36, 36 is formed into a substantially rectangular block shape. It has been formed. Furthermore, each upper surface 35a, 36a of each of the above-mentioned buffer members 35, 35, 36, 36 fitted to each of the four corners 30a to 30d of the above-mentioned substrate 30
As shown in FIG. 6, the tablet 31b of the liquid crystal panel 31 protrudes slightly from the upper surface, and the lower surfaces 35b and 36b protrude slightly from the lower surface of the substrate 30, and the predetermined positions of the lower surfaces 35b and 36b are Cylindrical protrusions 35c and 36c are integrally molded at the respective positions. Each of the buffer members 35 to 36 has a protruding portion 35.
Tongue-shaped mounting plates 37 and screws 38 that fit into c to 36c
They are fastened and fixed to cylindrical bosses 17a' to 17d' integrally formed on each of the ribs 17a to 17d, respectively. As a result, the upper surfaces 35a and 36a of the buffer members 35 to 36 contact the lower surface 10c of the upper cabinet 10, and the tablet 31b of the liquid crystal panel 31 is prevented from directly contacting the lower surface 10c of the upper cabinet 10. 6, the upper cabinet 10
The edge 10f around the opening 10b of the lower surface 10c of the tablet 31b of the liquid crystal panel 31 slightly protrudes downward.
). Each mounting plate 37 has a small hole 37a into which each of the protrusions 35c and 36c fits, and a small hole 37b through which a screw 38 passes.

[0012] Also, the lower surface 10 of the upper cabinet 10
A pair of cylindrical bosses (holding means) 18, 18 are integrally formed in a protruding manner at a position closer to the rib 17a between the rib 17a and the rib 17b. The tip portion 18a of each boss 18 is in contact with the upper surface 22a of an IC card storage section 22 serving as a socket for storing an IC card 7 of a lower cabinet 20, which will be described later. Thereby, as shown in FIG. 6, the gap t between the lower surface 10c of the upper cabinet 10 and the tablet 31b of the liquid crystal panel 31 is always maintained at a constant value.

[0013] On the front wall 20b side of the bottom surface 20a of the lower cabinet 20, there is a concave battery storage part 2 for storing the battery 8.
1, and the case-shaped IC card storage section (socket) 22 for storing the IC card 7 is arranged at the bottom of the lower cabinet 20 in the center of the left side wall 20e of the lower cabinet 20. board 39 for signal processing circuit
It is integrally molded so that it extends up to Further, a square cylindrical opening 20c is formed near the right rear corner of the front wall 20b of the lower cabinet 20. This opening 20
A connector 40 is arranged at c. Furthermore, a recess 23 is provided in the right side wall (outer wall) 20d of the lower cabinet 20.
has been formed. This recess 23 has a pair of rectangular holes 2.
3a and 23a, and a jack 24 is attached as an input terminal into which the plug 5 attached to the tip of the connection cord 5a of the pen 4 is inserted and removed. Further, in this recess 23, a pen storage case 70 for storing the pen 4 is provided.
is installed. Furthermore, as shown in FIG. 4, a substantially ribbon-shaped engagement hole 25 is integrally formed in the center of the bottom surface 20a of the lower cabinet 20, and an L-shaped engagement hole 25 is formed in the front side near the left and right corners. A pair of engagement holes 26, 26
are integrally molded. A case 80 made of synthetic resin or the like is detachably attached to each of these holes 25 and 26. A stop switch 27 is arranged on the left side wall 20e of the lower cabinet 20 to stop various functions such as printing status. Further, the battery 8 can be freely attached and detached using a removal lever 28. Further, the IC card insertion slot of the IC card storage section 22 is covered with a lid 29 so as to be openable and closable.

The connector 40 is a rectangular female type, and has a female contact 4 connected to the board 39 at the center of its front surface.
1, and has guide portions 42, 42 on both sides. The female contact 41 of this connector 40 has
A rectangular connector 45 of another electronic device such as a printer can be detachably attached thereto. As shown in FIGS. 9 and 10, this rectangular connector 45 is composed of a fitting part 46 and a cord extension part 47 to which the free end 48a of the cord 48 is attached, and the direction of the cord extension part 47 is as described above. The fitting portion 46 has an L-shape that is orthogonal to each pin-shaped connector axis 46a provided in two upper and lower stages. Further, a concave locking groove (locking means) 49 is formed in a side surface 46b of the fitting portion 46 of the rectangular connector 45 near the cord extension portion 47 so as to extend vertically. This locking groove 49 is formed by a hook of a lock lever (lock release means) 43 slidably provided on the bottom of the lower cabinet 20 when the fitting portion 46 of the rectangular connector 45 is fitted into the connector 40. Part 4
It is locked at 3b and cannot be removed. This lock lever 43 is molded from synthetic resin, and has a lever main body 43a with a cylindrical upper part.
It has a claw portion 43b and an operating portion 43c. The lever main body 43a of the lock lever 43 is slidably disposed on the bottom of the lower cabinet 20, while there is a space between the cylindrical portion of the lever main body 43 and the right side wall 20d of the lower cabinet 20. A compression coil spring 44 is interposed. Further, the claw portion 43b of the lock lever 43 comes to come out through the rectangular hole 20f formed on the side surface of the square cylindrical opening 20c of the lower cabinet 20 due to the biasing force of the compression coil spring 44. At the same time, the operating portion 43c of the lock lever 43 exposed on the bottom surface 20a side of the lower cabinet 20 is connected to the compression coil spring 4.
By moving the right side wall portion 20d against the biasing force No. 4, it is inserted into the hole portion 20f. This retraction causes the locking groove 4 of the square connector 45 to
9 is released from the locked state, and the fitting portion 46 of the rectangular connector 45 can be pulled out from the female contact 41 of the connector 40.

A signal processing section 50 of a signal processing circuit as shown in FIG. 12 is arranged on the substrate 39. In FIG. 12, 51 is a CPU, 52 is its bus line,
Various functional ICs and the like are connected via this bus line 52. 53 is a ROM, and in addition to the system program for the entire device, for example, a kana-kanji conversion program for the word processor function and dictionary data therefor, a recognition program for handwritten input, dictionary data therefor, etc. are written in the ROM 53. ing. Further, 54 is a working RAM, and 55 is a backup RAM provided with a power supply 56. Furthermore, 57 is a timer IC, which is also driven by the power supply 56, counts the clock from the crystal oscillator 58, and always outputs data of the current date and time. .

[0016] Furthermore, the signal processing section 50 of the signal processing circuit
To briefly explain the connection relationship between the and each part of the device main body 2, in FIG. , display data created by the CPU 51 is written into the V-RAM 60 via the controller 59, and this written data is supplied to the liquid crystal panel 31 via the controller 59. Reference numeral 61 denotes an interface circuit between the tablet 31a of the liquid crystal panel 31 and the pen 4. Information a such as characters and figures handwritten on the tablet 31b with the pen 4 is supplied to the CPU 51 through the interface circuit 61. Further, 62 is an audio memory storing alarm sounds and the like, and is supplied to the speaker 6 through a mixer 63 and a volume control circuit 64. Furthermore, 65 is a key interface circuit activated by the stop switch 27 that stops printing, etc., 66 is a power supply circuit activated by the power switch 13, and 67 is an invert circuit activated by the backlight control switch 15. Reference numerals 68 and 69 are interface circuits for the IC card and external equipment during expansion, including a socket 22 that accommodates the IC card 7 and a connector 40 that connects a rectangular connector 45 such as a printer (not shown).
connected to. In the signal processing circuit shown in FIG. 12, reference numeral 9a is a switch for detecting the type of battery (charging ground, dry battery), and reference numeral 9b is a switch for detecting whether the capacity of the battery is large or small.

The pen storage case 70 has a pair of claws 7.
1a, 71a are locked and fitted into the pair of holes 23a, 23a of the recess 23 of the lower cabinet 20, and are attached to the outer surface of the right side wall 20d of the lower cabinet 20. A case body 71 of the type, and a housing-shaped lid body 72 made of synthetic resin with an opening on the lower side that can be opened and closed via a pair of hinge parts 71b, 71b formed at the front and rear ends of the upper part of the case body 71. It is made up of. The center of the left side of the case body 71 is notched in a concave shape, and an engaging portion 71c is integrally formed to protrude from the inner surface of this notched left side. This engaging portion 71
The center of the lid body 72 facing c is an operating piece part 72a that protrudes like a tongue, and a claw part 72b that engages and disengages from the engaging part 71c is integrally formed on this operating piece part 72a. There is. Further, a rectangular hole 71d is formed in the front side of the bottom of the case body 71. A jack 24 serving as an input terminal to which the plug 5 of the pen 4 is connected is exposed through the hole 71d. As a result, the case body 71
When the cover 72 is closed, the jack 24 is hidden by the cover 72.

A pair of arcuate ribs 72c, 72d are integrally formed on the front and back of the bottom of the lid 72, and a pair of ribs 72c, 72d are formed near the bottom of the lid 72. The ribs 72f, 72f are integrally formed in a protruding manner. The pen 4 is held between each of these ribs 72c, 72d, 72f and the claw portion 72b of the operating piece portion 72a. Furthermore, a pen-up lever 73 is attached to one rib 72c side of the bottom of the lid 72. As shown in FIGS. 7 and 8, this pen-up lever 73 is formed into a substantially U-shaped plate shape with an operating portion 73a, a base portion 73b, and a lifting portion 73c.
A pin is pivotally supported on the upper part 74a of an L-shaped bracket 74 screwed to the bottom of the bracket. And the lifting part 73
The pen 4 can be easily taken out from the lid body 72 by moving the pen 4 upward and lifting the narrow diameter part 4a side of the pen 4 which is held between the pair of ribs 72c and 72d and the claw part 72b. be. Furthermore, a protrusion 72e extending to the bottom of the case body 71 is integrally formed at the rear left corner of the bottom of the lid 72 on the other rib 72d side. As a result, the case body 71 and the lid body 72
The connection cord 5a of the pen 4 housed inside is prevented from protruding outside. The connection cord 5a is connected to a U-shaped groove 71 formed on the left side of the case body 71.
It is designed to be held between the f. By holding the connection cord 5a in the groove 71f, the pen 4 can be used with the lid 72 closed.

The case 80 includes a case body 81 made of synthetic resin, and a cover made of leather and cloth that covers a substantially rectangular hole 84a formed between a bottom portion 82 and a back portion 84 of the case body 81, which will be described later. It consists of 91. This case main body 81 covers the bottom surface of the device main body 2, and has a thick bottom portion 82 that is detachably attached to the bottom surface of the device main body 2, that is, the bottom surface 20a of the lower cabinet 20 via a synthetic resin fitting 90. A thick back part 84 is formed integrally with the bottom part 82 via a thin hinge part 83 so as to be foldable and covers the back surface of the apparatus main body 2, and a thick back part 84 is formed on the bottom part 82 through a thin hinge part 85. The upper surface 10a of the apparatus main body 2, that is, the upper surface 10a of the upper cabinet 10, is freely integrally molded.
an upright portion 87 integrally formed to protrude vertically from the center of the inner tip of the bottom portion 82;
The upper part 86 includes a stopper part 88 which is integrally molded at the center of the tip of the upper part 86 via a hinge part 88a so as to be bendable.

The bottom portion 82 of the case body 81 is formed into a thick rectangular plate that is slightly larger than the bottom surface of the device body 2, that is, the bottom surface 20a of the lower cabinet 20. A gripping recess 82a is integrally formed on the upper outer surface of the bottom portion 82, and a thin recess 82b is formed on the base side thereof. In addition, the fitting tool 90 is provided at the center of the bottom portion 82.
A hole 82c is formed through which the locking portion 90a of the lower cabinet 20 is inserted, and a hole 82c is formed at the upper part of the inner surface of the hole 82c.
A pair of letter-shaped positioning protrusions 82d, 82d are integrally molded to protrude. Furthermore, a recess 82e into which the pen storage case 70 fits is formed on the right side of the inner surface of the bottom portion 82, and a notch 82f is formed at a position facing the IC card storage section 22 on the left side.

The back portion 84 of the case body 81 is formed into a rectangular shape with the same thickness as the bottom portion 82, which is slightly larger than the back surface of the device main body 2. A substantially rectangular hole 84a for taking out the battery is formed on the hinge portion 83 side of the bottom portion 82. A recess 82 on the outer surface of the bottom portion 82 is provided on the outer surface side of the back portion 84.
A thin concave portion 84b continuous to b is formed. These recesses 82b on the outer surface of the bottom part 82 and the recesses 8 on the outer surface of the back part 84
4b is covered with the cover 91 to hide the hole 84a. The proximal edge of the cover 91 is sewn along the edge of the recess 84b on the outer surface of the back portion 84, and has a plurality of loop-shaped engaging portions on the distal end side of the inner surface, as shown in FIG. A pair of hook-and-loop fasteners 92, 92 are bonded together. As shown in FIG. 4, a pair of hook-and-loop fasteners 93, 9 are provided in the recess 82b on the outer surface of the bottom portion 82 facing the pair of hook-and-loop fasteners 92, 92.
3 is glued. By engaging and detaching these hook-and-loop fasteners 92 and 93, the battery 8 detachably attached to the battery storage portion 21 of the device main body 2 can be replaced without removing the case 80 from the device main body 2 by opening the hole 84a. It is now easy to do.

The upper part 86 of the case main body 81 is formed into a thick rectangular plate that is slightly larger than the upper surface of the apparatus main body 2, that is, the upper surface 10a of the upper cabinet 10. Further, a recess 86a for gripping is integrally molded on the upper outer surface of the upper portion 86, and a thin recess 86b is formed on the inner surface of the upper portion facing the power switch 13 of the main body 2 of the apparatus. Further, an outer circumferential edge 86c of the inner surface of this upper portion 86 slightly protrudes inward. Further, each of the hinge parts 83 and 85 is located at the boundary between the bottom and the back of the device main body 2 and
The upper part 86 of the case body 81 is also formed on the bottom part 82 side through the hinge parts 83 and 85, as shown in FIG. It is bendable. Further, a pair of convex stoppers 89a, 89a is fixed to the upright part 87, and a pair of concave stoppers 89b, 89b is fixed to the stopper part 88 facing the upright part 87. There is. The upper part 86 side can be closed or opened to the bottom part 82 side by engaging and disengaging each of these stoppers 89a and 89b.

According to the embodiment described above, when using the portable handwriting input device 1, first, from the state shown in FIG. 1, as shown in FIG. Open the upper part 86 of the case 80. As a result, the tablet 3 of the liquid crystal panel 31 is placed on the top surface 10a of the device main body 2.
1b is exposed. Next, when the operation piece 72a of the lid body 72 of the pen storage case 70 attached to the right side of the device body 2 is pushed downward with a finger, the engaging part 71c of the case body 71 of the pen storage case 70 and Operation piece portion 72a of lid body 72
The locking state of the claw portion 72b is released, and as shown in FIG.
A pair of hinge parts 71b, 7 relative to the case body 71
The lid body 72 rotates around 1b and opens. At this time, the pen 4 housed in the lid body 72 is
c is the claw portion 72b of the operation piece portion 72a and the pair of ribs 72.
Since the pen 4 is held between the ribs 72c and 72f, it does not wobble or move in the vertical direction, and the end surfaces 4d and 4e of the main body of the pen 4 are held between the pair of ribs 72c and 72d. It does not wobble or move in the front or back direction. As a result, when the lid 72 is opened, the pen 4 will not come off and fall from inside the lid 72, and the pen 4 will be securely held within the lid 72 without wobbling. The nib 4b of the pen 4 will not be damaged by hitting the wall surface of the lid 72, and the nib 4b can be reliably protected. Further, in this state, the connection cord 5a of the pen 4 hits the pin-shaped protrusion 72e of the lid 72 and is securely housed within the case body 71 without protruding outside.

When the pen 4 stored in the lid 72 of the pen storage case 70 is taken out and used, the pen 4 is
The pen up lever 7 located at the top of the narrow diameter part 4a of
Rotate the operation section 73a of No. 3 upward in the counterclockwise direction. Then, the lifting portion 73c of the pen up lever 73 located below the narrow diameter portion 4a of the pen 4 lifts the narrow diameter portion 4a side of the pen 4 upward, and the pen 4 can be easily taken out. Additionally, a jack 24 is attached to the right side of the device main body 2 and serves as an input terminal to which the plug 5 of the pen 4 is connected and the pen 4 is energized to the device main body 2.
is exposed through the rectangular hole 71d of the case body 71 of the pen storage case 70, but is covered by the lid 72 of the pen storage case 70, so the jack 24 is reliably protected by the lid 72. can do. Further, the jack 24 is connected to the lid 7 when the handwriting input device 1 is not in use.
2, the overall appearance of the device main body 2 can be improved. Furthermore, as shown in FIGS. 2 and 7,
U-shaped groove 7 of case body 71 of pen storage case 70
If the connection cord 5a of the pen 4 is passed through 1f, the pen 4 can be used with the lid 72 closed, as shown in FIG. 2, and is convenient to use. In this way, the pen storage case 70 is attached to the right side wall 20d, which is the outer wall of the lower cabinet 20 of the device main body 2, and the lid 7 of this pen storage case 70 is attached.
Since the pen 4 is held and stored between the two claws 72b and the pair of ribs 72c and 72d, the nib 4b of the pen 4 can be reliably protected. In addition, previous handwriting input devices were composed of a device body and a liquid crystal unit body, and had a pen storage section on the top side of the device body, making the entire device thick and large. In the embodiment, the liquid crystal panel 31 is buried in the upper surface 10a of the device main body 2, and the upper surface 10a is protected by the upper part 86 of the case 80, and the pen storage case 70 is attached to the right side of the device main body 2. Therefore, the thickness of the device main body 2 can be made as thin as possible. As a result, handwriting input device 1
The overall thickness can be further reduced.

As shown in FIG. 3, the pen storage case 7
When inputting information a such as characters into the tablet 31b of the liquid crystal panel 31 exposed through the opening 10b of the upper surface 10a of the device main body 2 using the pen 4 taken out from the lid 72 of the case 80, the upper part 86 of the case 80 is used. Each hinge part 83, 85
Bend it to the opposite side directly below the bottom part 82 of the case 80. As a result, the back side of the device main body 2 becomes higher than the front side by approximately the height of the back portion 84 of the case 80, and the device main body 2 is tilted forward.
Liquid crystal display section 31 of liquid crystal panel 31 in opening 10b of a
It becomes very easy to see a, and it also becomes easy to write information a such as characters on the tablet 31b of the liquid crystal panel 31 with the nib 4b of the pen 4. This pen 4 can input arbitrary information a in cooperation with the tablet 31b of the liquid crystal panel 31, and the tablet 31b and the nib 4b of the pen 4 are stored in the CPU 51 via the pen 4. The pen tip 4b of the pen 4 has a detection means for detecting changes in capacitance, etc.
Coordinates can be detected even when the pen is not in contact with the tablet 31b, and the cursor is displayed at a position opposite the pen tip 4b of the pen 4. By taking out this pen 4 and touching the tablet 31b with the pen tip 4b, information such as the contact state and contact position is transmitted to the connection code 5.
The information is supplied to the CPU 51 via a, etc., and arbitrary information etc. are inputted thereto. Further, image information from the IC card 7, CPU 51, etc. is displayed on the liquid crystal display section 31a of the liquid crystal panel 31.

As shown in FIG. 3, the information A converted and displayed on the liquid crystal display section 31a of the liquid crystal panel 31 of the apparatus main body 2 is transmitted to the connector 40 provided on the back of the apparatus main body 2.
By connecting a rectangular connector 45 of a printer (not shown) to the printer, printing can be performed. At this time, even if the cord extending portion 47 or the cord 48 of the rectangular connector 45 is accidentally pulled in the direction shown by the arrow in FIG. Since the concave locking groove 49 formed only on the side surface 46b is securely locked by the claw portion 43b of the lock lever 43 provided on the front wall portion 20b side of the device main body 2, the rectangular connector 45 is securely locked. The connectors 40 and 45 cannot be disconnected from the connector 40 of the device main body 2, and the connectors 40 and 45 can be reliably connected to each other. Furthermore, when removing the rectangular connector 45 from the connector 40 of the apparatus main body 2 after printing is completed, by moving the operating portion 43c of the lock lever 43 outward, the locking groove 49 of the rectangular connector 45 and the lock lever can be removed. The locked state of the claw portion 43b of 43 can be easily released and removed.

[0027] When using such handwriting input device 1,
Even if the user holding the pen 4 in his right hand strongly presses the left edge side of the opening 10b of the top surface 10a of the device body 2 downward with his left hand, the inside of the top surface 10a of the device body 2 in this part will not be filled with the pen as shown in FIG. , a pair of pin-shaped bosses 18, as shown in FIG.
18 are integrally protruded and each tip portion 18a is an IC.
Since it is in contact with the upper surface 22a of the card storage section 22, the gap t between the lower surface 10c of the device main body 2 and the upper surface of the tablet 31b of the liquid crystal panel 31 can always be kept at a constant value, as shown in FIG. Therefore, the upper surface 1 of the device main body 2
Even if a load is applied to the left edge side of the opening 10b of the liquid crystal panel 31 due to the pressing force, no stress is applied to the glass surface of the liquid crystal display section 31a of the liquid crystal panel 31, and no stripes are formed on the left edge side of the opening 10b of the liquid crystal panel 31. Color unevenness in patterns etc. does not occur.

[0028] Furthermore, when using the handwriting input device 1,
Even if the device 1 is accidentally dropped on the floor etc., each of the four corners 30a to 30d of the substrate 30 on which the liquid crystal panel 31 is laminated and fixed.
The board 30 is attached to each of the ribs 17a to 17 of the upper cabinet 10 of the apparatus main body 2 by sandwiching the buffer members 35 and 36 therebetween.
d, the impact force applied to the liquid crystal panel 31 during the fall can be reliably absorbed and reduced by the cushioning force of the buffer members 35 and 36, thereby preventing damage to the liquid crystal panel 31 and damage to the liquid crystal panel 31. Displacement of the substrate 30 can be reliably prevented.

Furthermore, while the handwriting input device 1 is in use, the pen 4 can be temporarily placed on the pen placement portion 11 formed on the top surface 10a of the device main body 2. Also,
After use, the pen 4 is attached to the main body 2 of the device, as shown in FIG.
The pen 4, the plug 5, and the connection cord 5a are all stored in the pen storage case 70 by closing the lid 72. From this state, the upper part 86 of the case 80 is covered with the upper surface 10a of the apparatus main body 2, and the stopper part 8 of the upper part 86 is
The pair of stops 89b, 89b of 8 are connected to the standing portion 87 of the bottom portion 82.
By fixing it to a pair of stops 89a, 89a, as shown in FIG.
As shown in FIG.
The liquid crystal panel 31 exposed through the opening 10b of the upper surface 10a can be reliably protected. This case 80
As shown in FIGS. 1 and 4, recesses 82a and 86a for gripping are formed on the outer surfaces of the bottom 82 and top 86, so that the case 80 can function as a carrying case. Furthermore, when replacing the battery 8, there is no need to remove the case 80 from the device main body 2, as shown in FIG.
As shown in FIG.
The battery 8 can be easily attached and detached by simply opening and closing only the cover 91 sewn to the bottom 82 side of the case 80 while the so-called upper part 86 of the case 80 covered by the upper part 86 of the case 80 is closed. can be exchanged for.

According to the above embodiment, the pen storage case for storing a pen is composed of a case body that is attached to the device body and a lid body that opens and closes with respect to the case body, but the lid body is attached to the device body. It can also be used as a pen storage case by opening and closing directly on the main body. Furthermore, although the carrying case covers the bottom, back, and top of the device body, the case may be formed into a substantially housing shape so as to cover the entire surface of the device body. Further, although the rectangular substrate for the liquid crystal panel drive circuit is attached to the apparatus main body via the rubber cushioning member, the cushioning member is not limited to being made of rubber. Further, although the square connector is provided with a locking means and the device body is provided with its lock release means, the square connector may be provided with a lock release means and the device body may be provided with the locking means. Furthermore, a pin-shaped boss is formed in the device body to maintain a constant gap between the liquid crystal panel and the device body facing the liquid crystal panel, but the shape is not limited to this. , the above-mentioned constant value may be maintained by intervening another member.

[0031]

As described above, according to the present invention, a rectangular liquid crystal panel consisting of a liquid crystal display portion covered with a tablet is installed in a rectangular opening formed on the top surface of a device main body, and In the case of the handwriting input device, the case body covers the handwriting input device that inputs and displays information handwritten with a pen on the liquid crystal panel,
The case body is formed thick enough to cover at least the bottom, back and top surfaces of the device body, and faces the boundary between the bottom and the back of the device body and the boundary between the back and top of the case body. Thin hinge portions are formed in each portion, and the portion of the case body facing the top surface of the device body can be bent freely through these hinge portions to the portion facing the bottom surface of the device body. When using the handwriting input device, the case body can be used to easily tilt the device body toward the user at a predetermined angle. This makes it easier to see the liquid crystal display section of the liquid crystal panel exposed through the opening on the top surface of the device main body, and makes it easier to write information on the tablet of the liquid crystal panel with a pen. Additionally, it can be used as a carrying case when the handwriting input device is not in use.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of a handwriting input device showing an embodiment of the present invention.

FIG. 2 is a perspective view showing the case of the handwriting input device in an open state.

FIG. 3 is a perspective view showing how the handwriting input device is used.

FIG. 4 is a perspective view of the handwriting input device seen from the back side.

FIG. 5 is an exploded perspective view of the handwriting input device.

FIG. 6 is a sectional view of main parts of the handwriting input device.

FIG. 7 is an exploded view of the pen storage case of the handwriting input device.

FIG. 8 is a plan view showing the pen storage case in an open state.

FIG. 9 is a perspective view of a connector portion and a square connector of the handwriting input device.

FIG. 10 is a plan view showing how the connectors are connected to each other.

FIG. 11 is a perspective view of a case that covers the handwriting input device.

FIG. 12 is a signal processing circuit diagram of the handwriting input device.

FIG. 13 is a perspective view of a preceding handwriting input device.

FIG. 14 is a perspective view showing the liquid crystal unit main body of the preceding handwriting input device in an open state.

FIG. 15 is a plan view showing the liquid crystal unit main body of the preceding handwriting input device in an open state.

[Explanation of symbols]

1... Handwriting input device, 2... Device body, 4... Pen, 10a
...Top surface, 10b...Opening, 20a...Bottom surface, 31...Liquid crystal panel, 31a...Liquid crystal display section, 31b...Tablet, 80
...Case, 81...Case body, 82...Bottom (portion facing the bottom of the device body), 83, 85...Hinge part, 86...
Upper part (the part facing the upper surface of the device body), a...information.

Claims (1)

[Claims] Claim 1: A rectangular liquid crystal panel consisting of a liquid crystal display portion covered with a tablet is installed in a rectangular opening formed on the top surface of the main body of the device, and information handwritten with a pen on the tablet is displayed on the liquid crystal panel. In a case of a handwriting input device in which a handwriting input device for inputting and displaying information is covered by a case body, the case body is formed thick enough to cover at least the bottom, back, and top of the device body. At the same time, thin-walled hinge portions are formed in the case body at the boundary between the bottom surface and the back surface of the device body, and in the portions facing the boundary between the back surface and the top surface, and the device body of the case body is connected to the device body through these hinge portions. A case for a handwriting input device, characterized in that a portion facing the top surface is also freely foldable toward a portion facing the bottom surface of the device main body.