JP2005056753A - Battery pack and portable telephone device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a battery pack suitable for a small portable device to receive broadcast waves, and to provide a portable telephone device capable of receiving the broadcast waves. <P>SOLUTION: A tuner unit 2 and a battery pack 3 are housed in this order in the battery pack housing part 1a of a main body unit 1. An antenna 3a is provided in the battery pack 3. An antenna signal output terminal 3e to output a received signal generated in the antenna 3a is formed on the upper end side of the rear surface of the battery pack 3. The antenna 3a is rotatably supported by a disk-shaped supporting part 3b, and the supporting part 3b is connected to a click mechanism 3c. The tuner unit 2 receives TV broadcast waves. A first antenna signal input terminal 2a is provided on the upper rim part on the surface side of the tuner unit 2. The antenna signal output terminal 3e is brought into contact with the first antenna signal input terminal 2a when the battery pack 3 is mounted. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a portable telephone device and a battery pack used for a portable telephone device.

In recent years, mobile phones have been strengthened in video functions such as a large display screen and camera functions. Furthermore, an attempt has been made to provide a TV tuner function so that broadcast video can be viewed on the display. It should be noted that a mobile phone device (see Patent Document 1) in which an additional module can be incorporated, a portable radio device (see Patent Document 2) using an earphone cord as a second antenna for diversity, and an external antenna device (see Patent Document 2) to which a pager is attached ( Patent Document 3) is known.
JP-A-9-36941 JP-A-61-281724 JP-A-6-140963

  By the way, in receiving a broadcast with a tuner function in a small portable device that does not originally receive a broadcast wave, it is good without causing a significant change in the basic configuration of the existing original function unit. It is desirable to be able to receive broadcast waves.

  An object of the present invention is to provide a battery pack suitable for a small portable device that receives broadcast waves and a portable telephone device that can receive broadcast waves.

  The battery pack according to the present invention includes an antenna and an antenna signal output terminal that outputs a reception signal generated by the antenna.

  With such a configuration, it is possible to receive radio waves satisfactorily without causing a significant change in the basic configuration of the original functional unit in the device to which the battery pack is mounted.

  The antenna is preferably supported by a support mechanism so as to be rotatable. The pack housing part is formed with a housing recess for housing the antenna, and the support mechanism is rotated approximately 180 ° relative to the first click position for raising the antenna and the first click position. A second click position on the antenna housing side, wherein the first click position is less than 180 ° with respect to the housing recess, and the antenna is moved toward the second click position on the housing recess. It is preferable to set the angle range to be energized. As described above, the antenna is biased toward the second click position in the housing recess, so that the antenna is housed in the antenna housing recess without wobbling.

  The portable telephone device of the present invention is a portable telephone device having a tuner function unit for receiving and selecting a broadcast wave, and has a battery pack housing portion to which any of the battery packs described above is mounted. The tuner function unit includes an antenna signal input terminal that contacts an antenna signal output terminal of the battery pack. In the portable telephone device having such a configuration, the tuner function unit may have a unit structure that is detachably attached to the portable telephone device main body.

  The portable telephone device of the present invention is a portable telephone device provided with a tuner function unit for receiving and selecting a broadcast wave, wherein the tuner function unit receives a built-in antenna reception signal or an earphone code as an antenna. The signal and the received signal obtained by the external antenna are used for diversity.

  The external antenna may be an antenna provided in any of the battery packs described above, and the tuner function unit may have an antenna signal input terminal that contacts an antenna signal output terminal of the battery pack. The tuner function unit has a unit structure that is detachably attached to the portable telephone device main body unit, and has another antenna signal input terminal on the back of the unit, and the battery pack is attached to the tuner function unit. An antenna signal output terminal for outputting the built-in antenna reception signal or the reception signal obtained using the earphone cord as an antenna is formed in the battery pack housing portion, and the other antenna signal input terminal is in contact with the antenna signal output terminal. It may be configured.

  In the configuration including the antenna signal input terminal, the antenna signal input terminal may have a pin shape.

  As described above, according to the battery pack equipped with the antenna of the present invention, it is possible to receive radio waves satisfactorily without causing a significant change in the basic configuration of the original function unit in the device to which the battery pack is mounted. It becomes possible. In addition, the antenna is accommodated without wobbling in the antenna receiving recess. The radio wave reception performance is enhanced by the diversity function using the external antenna and the built-in antenna or the earphone cord. When the antenna is an earphone cord, when it is used only for a normal telephone function, that is, when a broadcasting antenna is not required, all the broadcasting antennas can be unattached, so that the weight can be reduced.

  Hereinafter, a mobile phone and a battery pack according to embodiments of the present invention will be described with reference to FIGS.

  FIG. 1 is an exploded perspective view of the mobile phone 5. FIG. 2 is an exploded view showing the back of the main unit 1 constituting the mobile phone 5, showing the side of the tuner unit 2, and perspectively showing the back side of the battery pack 3. The main unit 1 is formed with a battery pack housing 1a. The tuner unit 2 and the battery pack 3 can be sequentially accommodated in the battery pack accommodating portion 1a. In this accommodated state, the battery pack 3 is located slightly higher than the main unit 1.

  The battery pack 3 is provided with an antenna 3a. An antenna signal output terminal 3e that outputs a reception signal generated by the antenna 3a is formed on the upper surface of the back surface of the battery pack 3. The antenna 3a is rotatably supported by a disk-shaped support portion 3b. The support part 3b is connected to the click mechanism 3c. The click mechanism 3c is structured to hold the position with a relatively weak force at the click position and to allow free rotation when the click mechanism 3c is out of the click position. A housing recess 3d for housing the antenna 3a is formed in the vertical direction on the right edge side of the casing of the battery pack 3. The click mechanism 3c is configured to form a first click position for raising the antenna and a second click position on the antenna housing side that is rotated by about 180 ° with respect to the first click position. The first click position is less than 180 ° with respect to the longitudinal line in the receiving recess 3d, and the angle range in which the antenna 3a is urged toward the second click position on the receiving recess 3d (for example, 150 °). Degree). As described above, the antenna 3a is energized toward the second click position in the accommodation recess 3d, so that the antenna 3a is accommodated in the accommodation recess 3d without wobbling.

  The tuner unit 2 receives TV broadcast waves (analog broadcast waves or digital broadcast waves). A first antenna signal input terminal 2 a is provided on the upper edge portion of the tuner unit 2 on the surface side. The first antenna signal input terminal 2a has a pin shape and protrudes from the substrate, and is biased in the protruding direction by an elastic body (not shown). When the battery pack 3 is mounted, the antenna signal output terminal 3e formed on the back surface of the battery pack 3 contacts the first antenna signal input terminal 2a. In addition, a second antenna signal input terminal 2b is provided at the upper edge of the rear surface side of the tuner unit 2. The second antenna signal input terminal 2b has a pin shape and protrudes from the substrate, and is biased in the protruding direction by an elastic body (not shown).

  In the battery pack housing portion 1a of the main unit 1, there are a power terminal 1e that transmits and receives power to and from the power terminal 3f of the battery pack 3, a bus terminal 1f that is connected to the bus terminal 2c of the tuner unit 2, and the like. Is provided. In addition, although the power supply terminal for supplying electric power from the main body unit 1 to the tuner unit 2 is provided in the bus terminal 2c * 1f, it is not limited to such a structure. In addition, an antenna signal output terminal 1b that is in contact with the second antenna signal input terminal 2b when the tuner unit 2 is mounted is formed in the battery pack housing 1a. The antenna signal output terminal 1b is connected to the ground terminal of the earphone jack 1c by a signal line 1d. This ground terminal is grounded via a coil L, and the received signal obtained by the cord 6a of the earphone 6 as an antenna is guided to the antenna signal output terminal 1b without being grounded. Further, when the earphone 6 is provided with a switch line, a microphone line, etc. in addition to the L and R audio signal lines, a coil is also connected in series to the terminal of the earphone jack 1c connected to these lines, The received signal is cut off.

  FIG. 3 shows a circuit configuration of the mobile phone 5. When the mobile phone 1 is set in the AC adapter (charger) 4, power is supplied from the AC adapter (charger) 4 to the power supply unit 10 of the main unit 1. The power supply unit 10 transmits and receives power to and from the battery (secondary battery) 30 of the battery pack 3 and supplies power to the tuner unit 2. The mobile phone CPU 11 is connected to a communication processing unit 12, a key operation unit 13, an image signal processing unit 14, and the like, and executes processing necessary for telephone communication and processing corresponding to key operation. Further, the image signal processing unit 14 processes the image signal from the CCD (charge coupled device) 15 to generate, for example, an RGB (digital) signal, and this RGB signal is sent to the liquid crystal display panel 16 via the video switching unit 17. Supply. The video switching unit 17 switches whether to supply a CCD image to the liquid crystal display panel 16 or a broadcast reception image from the tuner unit 2 to the liquid crystal display panel 16 based on a command from the mobile phone CPU 11. Further, the audio switching unit 18 inputs the telephone voice data and the broadcast reception voice data, selects one based on a command from the mobile phone CPU 11, generates a voice signal, and supplies it to the speaker or the earphone jack (1c). It is supposed to be.

  The tuner unit 22 in the tuner unit 2 can receive both the reception signal of the antenna 3a supplied from the first antenna signal input terminal 2a and the reception signal of the earphone cord 6a supplied from the second antenna signal input terminal 2b. It is possible to perform diversity processing such as selecting a better signal by comparing the signal qualities of both signals, or synthesizing both signals to create a suitable signal. The TV audio image processing CPU 21 inputs a broadcast stream generated by receiving selection (tuning / demodulation) by the tuner unit 22 and performs processing. The CPU unit 21a in the TV sound image processing CPU 21 is connected to the mobile phone CPU 11 by a bus. The cellular phone CPU 11 transmits key operation information to the CPU unit 21a through the bus. The CPU unit 21a executes broadcast received sound / image encoding / decoding processing and various processing (channel control, etc.) based on the key operation information. The image processing unit 21b in the TV sound image processing CPU 21 performs an enlargement / reduction process and a rotation process on the broadcast reception image in response to an instruction from the CPU unit 21a. The image output terminal of the image processing unit 21 b is connected to the video switching unit 17 of the main unit 1. The CPU unit 21a is configured to output, for example, an AAC audio signal from the audio terminal as broadcast reception audio. This audio terminal is connected to the audio switching unit 18 of the main unit 1. The system unit 23 performs reception voice / image (stream) supply on the bus, clock control of each circuit and memory, and the like. Further, when recording the broadcast reception image, the CPU 21a stores the received sound / image (stream) in the memory.

  As described above, since the broadcast reception signal is given to the tuner unit 2 by the antenna 3a of the battery pack 3, the tuner unit 2 and the main unit are compared with the tuner unit 2 itself or the configuration in which the main unit 1 is provided with the antenna. The basic configuration of the unit 1 will not change significantly.

  Moreover, in this embodiment, 3 d of accommodation recessed parts are made into semicircle shape instead of step shape and flat shape. By adopting such a semicircular shape or the like, it becomes a structure in which a convex portion is formed on the side of the housing concave portion 3d, so that the antenna 3a can be prevented from inadvertently protruding to the side. In this embodiment, pin-shaped members are used as the antenna signal input terminals 2a and 2b. For example, a leaf spring member can be employed instead of the pin member. In this embodiment, a pin-shaped terminal is used because it is excellent in signal transmission characteristics, but a terminal having another shape may be used as long as there is no problem in signal transmission characteristics.

  Since the tuner unit 2 executes the diversity function using both the received signal obtained by using the earphone cord 6a as an antenna and the received signal obtained by the external antenna (antenna 3a in this embodiment), the diversity function is used. Thus, broadcast reception can be performed satisfactorily. The diversity function may be executed by the built-in antenna and the external antenna without being limited to the case where the earphone cord 6a is used as an antenna. For example, as shown in FIGS. 1 and 2, it is conceivable that the antenna A is a built-in antenna for receiving broadcasts, and the mobile phone antenna is a chip antenna (not shown) provided in the main unit 1. The external antenna is used in the sense that it does not include an antenna built in the tuner unit 2 or the main unit 1. Broadcast waves are not limited to television broadcast waves, but include radio broadcast waves.

It is the disassembled perspective view which showed the mobile telephone of embodiment of this invention. It is the exploded view which showed the mobile telephone of embodiment of this invention. It is the block diagram which showed the mobile telephone of embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Main body unit 1a Battery pack accommodating part 1b Antenna signal output terminal 2 Tuner unit 2a 1st antenna signal input terminal 2b 2nd antenna signal input terminal 3 Battery pack 3a Antenna 3e Antenna signal output terminal 3c Click mechanism 3d Housing recessed part 5 Cellular phone 6 earphone

Claims (9)

A battery pack comprising an antenna and an antenna signal output terminal for outputting a reception signal generated by the antenna. The battery pack according to claim 1, wherein the antenna is rotatably supported by a support mechanism. 3. The battery pack according to claim 2, wherein the housing portion for accommodating the antenna is formed in the pack housing portion, and the support mechanism is provided at the first click position for raising the antenna and the first click position. And a second click position on the antenna housing side that is rotated by approximately 180 ° with respect to the housing recess, and the first click position is less than 180 ° with respect to the housing recess. The battery pack is characterized in that it is set in an angle range that is urged toward the second click position. A portable telephone device having a tuner function unit for receiving and selecting broadcast waves, comprising: a battery pack housing unit to which the battery pack according to any one of claims 1 to 3 is mounted; and the tuner. The functional unit has an antenna signal input terminal that contacts an antenna signal output terminal of the battery pack. 5. The portable telephone device according to claim 4, wherein the tuner function unit has a unit structure that is detachably provided to the portable telephone device main body. A portable telephone device having a tuner function unit for receiving and selecting broadcast waves, wherein the tuner function unit is a built-in antenna reception signal or a reception signal obtained using an earphone cord as an antenna and a reception signal obtained by an external antenna Is used for diversity, and is a portable telephone device. 7. The portable telephone device according to claim 6, wherein the external antenna is an antenna provided in the battery pack according to any one of claims 1 to 3, and the tuner function unit is an antenna of the battery pack. A portable telephone device having an antenna signal input terminal in contact with a signal output terminal. 8. The portable telephone device according to claim 7, wherein the tuner function unit has a unit structure that is detachably attached to the portable telephone device main body, and another antenna signal input terminal is provided on the back of the unit. And an antenna signal output terminal for outputting the built-in antenna reception signal or the reception signal obtained using the earphone cord as an antenna is formed in the battery pack housing portion to which the battery pack is mounted, and the antenna signal output terminal includes the antenna signal output terminal. A portable telephone device characterized in that the other antenna signal input terminal is in contact. 9. The portable telephone device according to claim 4, 5, 7, or 8, wherein the antenna signal input terminal has a pin shape.

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