JP2001189785A - Battery pack for portable telephone equipment, and portable telephone set installed with the battery pack - Google Patents

Abstract

PROBLEM TO BE SOLVED: To realize a new function capable of dealing with diversified user's needs without impairing excellent portability, miniaturization and lightweight performance which are required as an essential function in a portable telephone set. SOLUTION: A non-telephone function is incorporated in a battery pack for portable telephone set, which is just a power source heretofore, in order to give the non-telephone function without impairing the portability of the telephone set. The various non-telephone functions incorporated in the detachable batter pack can be selected and diversified while reducing influence on a portable telephone set main body. For example, the function can be connected to an external equipment via a memory card.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery pack for a portable telephone (hereinafter referred to as a battery pack) and a portable telephone to which the battery pack is mounted. In addition to the functions provided by the conventional mobile phone, the battery pack has a built-in function (hereinafter referred to as a non-phone function), and at least a part of the non-phone function is not connected to the mobile phone itself. It can be used even in the state of.

[0002]

2. Description of the Related Art In recent years, in the field of portable information devices,
Although the portability, which is an essential function thereof, has been improved, the size and weight of mobile phones are strongly required to be reduced in size and weight, especially for devices that require constant carrying. On the other hand, there is a strong demand from users for diversification of functions.
A mobile phone having an auxiliary function such as a schedule management function and a voice memo function, and a mobile phone having a so-called Internet function have appeared. For example, JP
In the "mobile phone with audio function" described in JP-A-145470, it is proposed to mount an audio function on a mobile phone body. Further, JP-A-7-226807
Japanese Patent Application Laid-Open Publication No. HEI 9-125605 describes a wireless handset having a battery pack with an infrared port.

[0003]

However, the incorporation of diversified new functions into the main body of a mobile phone merely impedes the improvement of portability required as an essential function, particularly in the field of miniaturization and weight reduction. In addition, since it is necessary to design a mobile phone corresponding to each function, there is a problem that it is difficult to keep up with diversification of functions requested by users. Furthermore, the battery pack has a built-in infrared port to improve connectivity with external devices, and does not mention focusing on functions that are not present in conventional mobile phones. The point has not been resolved.

The present invention has been made to solve the above problems, and has a non-telephone function without impairing the portability of a portable telephone, and at least a part of the non-telephone function is provided in a portable information device. It is an object of the present invention to provide a battery pack that can be used even in a state of a single battery pack that is not connected to a main body, and a mobile phone equipped with the battery pack.

[0005]

The battery pack according to the first aspect of the present invention has a power source and a non-telephone function.

A battery pack according to a second configuration of the present invention is formed by sandwiching a battery cell, which is integrated with the upper lid and has a non-telephone function circuit, and a battery cell between an upper lid and a lower lid. It was done.

The battery pack according to the third configuration of the present invention is formed by stacking a battery cell and a simple pack formed by wrapping a protection circuit of the battery cell with an insulator, and an upper lid.

[0008] A battery pack according to a fourth configuration of the present invention has a power supply and a non-telephone function that operates even when at least part of the battery pack is detached from the main body of the mobile phone.

The battery pack according to the fifth configuration of the present invention has a function of storing data transferred from the portable telephone body or other information equipment in a memory built in the battery pack as a non-telephone function, or a function of storing the data in the memory. It has a function of transferring stored data to the mobile phone body or other information devices.

A battery pack according to a sixth aspect of the present invention includes a substrate and a battery cell disposed between an upper lid and a lower lid, and a guide for a memory cart provided on the substrate. It is constituted by a card.

The battery pack according to the seventh aspect of the present invention has a non-telephone function of music / sound reproduction function of converting digital sound information into analog data and outputting the analog data to the outside.

A mobile phone according to an eighth configuration of the present invention is provided with the battery pack according to the first to seventh configurations of the present invention.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The basic items of the present invention are as follows, and will be specifically described in Embodiments 1 to 6 with reference to the drawings.

In order to provide a non-telephone function without impairing the portability of a portable telephone, a battery pack, which has conventionally been a mere power source, is operably mounted on the battery pack alone.

An electrical interface for data signals and control signals other than the power supply function with the cellular phone main body or other information equipment, etc., can be transmitted between battery packs by serial transmission or the like by preparing connectors and the like. Is possible. Therefore, functions requiring an electrical interface with the device main body can communicate with the mobile phone main body or other devices via this transmission path.

Various functions can be selected as the non-telephone function incorporated in the battery pack, such as a data storage function using a large-capacity memory, a data transfer function, a voice reproduction function, a camera function, a radio reception function, and the like. Thus, multi-functionalization is achieved while minimizing the effect on the mobile phone body. Therefore, by enabling use of at least a part of the non-telephone function in a state where it is detached from the main body, it is possible to use it as an information device independent of the mobile phone.

In the state where the battery pack is attached to the information device main body or the battery pack is removed from the information device main body,
A configuration in which the battery pack is used alone or connected to another information device such as a PC is an embodiment, and will be described below.

Embodiment 1 FIG. 1 is a partial perspective view of a battery pack according to Embodiment 1 of the present invention. FIG. 1A is a partial perspective view showing a state where the battery pack is detached from a portable telephone body. Yes,
(B) shows a state where the battery pack is mounted on the main body of the mobile phone. This embodiment shows a specific configuration of the battery pack. The battery pack 1 is detachable from the battery pack storage section 3 of the mobile phone main body 2. In addition to the lithium ion secondary battery cell 10 and the battery cell overcharge / overdischarge protection circuit 11 which are components of the conventional battery pack 1, the battery pack 1 has a flash which is a nonvolatile IC memory as a digital data storage medium. A controller 13 that manages the transfer and storage of digital data, which can be constituted by 256 megabits (corresponding to 32 megabytes), such as M5M29F25611VP manufactured by Mitsubishi Electric, for example.
Are arranged on the substrate 4 and are built therein. Reference numeral 5 denotes a mobile phone antenna. As the controller 13, for example, a general-purpose 8-bit microcomputer of M37515 manufactured by Mitsubishi Electric having a built-in serial port function can be used. The digital data can be exchanged with the outside of the battery pack via the connector 14 or the serial connector 15.
In order to facilitate data transfer with the mobile phone itself,
The battery pack is arranged on a surface in contact with the mobile phone. The serial connector 15 is used for connection with, for example, a PC.

The structure of the battery pack 1 will be further described with reference to FIG. 2A is an exploded perspective view of the battery pack 1, and FIG. 2B is a cross-sectional view illustrating a cross section AB of the upper cover 40 in FIG. The upper cover 40 of the battery pack is formed in a hollow thin shape as shown in FIG. 2B, and a hole 42 is formed on a side surface thereof to form a space for passing a connection cable terminal of an external device connected to the serial connector 15. ing. Substrate 4
The battery cell overcharge / overdischarge protection circuit 1
1, a flash memory 12, a controller 13, and a serial connector 15 are arranged, and a connector 14 is arranged on the other surface. Reference numeral 43 denotes a lower lid. The lower lid 43 is provided with a rectangular hole 51. Pins of the connector 6 of the mobile phone main body 2 pass through the battery pack 1 in a state of being built in the mobile phone main body 2. The space is configured as follows. Between the upper lid 40 and the lower lid 43 thus formed, the lithium ion secondary battery cell 10 and the substrate 4
The battery pack 1 is formed by bonding the peripheral edges 44 and 45 of both lids in a state where the battery pack 1 is sandwiched.

FIG. 3A is a diagram showing an electrical connection between the battery pack 1 and the portable telephone set 2, and a serial port (not shown) provided in a controller 13 mounted in the battery pack 1. And a serial port (not shown) of the mobile phone main body connected via the connector 6, the data transfer between the flash memory 12 in the battery pack 1 and the mobile phone main body 1 becomes possible via the controller 13. . FIG. 3B is a circuit diagram for explaining a circuit configuration in the battery pack. In the figure, 1
0 is a power source and corresponds to a battery cell.
A protection circuit 1 and a flash memory 12 are connected to the controller 13.

As shown in FIG. 1A, when the battery pack 1 is removed from the mobile phone main body 2, the flash memory 12 logically viewed from the mobile phone main body 2 is viewed.
Is connected to another device such as a PC via the serial connector 15 by software written in the controller 13.
Can be operated as an external storage device of the PC. In addition, the flash memory 12 can be used as a storage medium for digitized information, for example, a call record, and can also be used as a medium for storing digital sound data directly received by the mobile phone body 2. This has the effect of expanding the storage capacity of the mobile phone body 2.

As still another use form, the portable telephone body 2 can be used as a medium for backing up, for example, address book data. In some cases, software used by a controller in the portable telephone body 2 is used. It can be rewritten and used as a storage medium for software data for providing a new function.

Also, as shown in FIG. 1A, since the battery pack can be removed, data such as call records and address book data that should not be seen by others and data that needs to be kept secret are carried around. It can be stored in the battery pack 1 separately from the telephone body 2.

In this case, a higher security code is registered in the flash memory 12 mounted in the battery pack 1 by, for example, registering a predetermined security code for both the mobile phone main body 2 and the battery pack 1. Safety can be ensured.

In any of the applications, the data transfer path between the mobile phone main body and the battery pack is a connector portion for connecting both serial ports, and there is no need to require a major change in the function of the mobile phone main body. ,
It is possible to easily cope with various functions mounted on a plurality of types of battery packs. Therefore, it is easy to respond to diversification of user needs.

In the present embodiment, the external storage area expansion function is provided by mounting the flash memory 12 as an example. However, the non-telephone function incorporated in the battery pack 1 simultaneously with the power supply function may be another function. . Embodiment 2 shows an example in which a function for recording and reproducing sound information such as compressed music is incorporated simultaneously with a power supply function.

Second Embodiment FIG. 4 is a partial perspective view of a battery pack according to a second embodiment of the present invention. The specific structure of the battery pack for a portable telephone is similar to that of the first embodiment. The figure shows a case in which a mobile phone as an information device and a battery pack are assumed to be removable from the body of the mobile phone. (A) shows a state where the battery pack 1 is detached from the mobile phone main body 2, and (b) shows a state where the battery pack 1 is attached to the mobile phone main body 2. FIG. 5 is a block diagram showing electrical connections in the battery pack according to the second embodiment of the present invention. Fig. 3 shows the electrical connection between the battery pack and the mobile phone.
This is the same as the case of the first embodiment shown in FIG. The battery pack 1 has an upper cover 4 similar to the first embodiment shown in FIG.
The lower edge 43 and the lower lid 43 sandwich the substrate 4 and the lithium ion secondary battery cell 10, and their peripheral edges are fixed to each other by adhesion. On the substrate 4, a D / A converter 16, a signal amplifier 17, a connector 18, and a decoder 19 are further arranged as compared with the first embodiment.

In FIG. 5, as in the case of the first embodiment, digital information is stored in a flash memory 12 provided in the battery pack 1, and the stored digital information is digitized music, voice, and the like. It has a D / A converter 16 and a signal amplifier 17 for converting the digital information into an analog signal and outputting the digital information to a headphone or the like. Has a connector 18 for connecting to other devices. Further, the digitized sound information is provided with a decoder 19 for expanding compressed data in response to data compression (encoding) performed to reduce the data amount at the time of digitization. I do.

As the decoder 19, for example, German MICR
MAS3507D manufactured by ONAS can be used. In this case, at least MPEG-1 Layer 3 is used.
The sound data compressed (encoded) according to the standard can be expanded (decoded). As a D / A converter and a signal amplifier, for example, a D / A converter manufactured by MICRONAS of Germany
AC3550A can be used. In this IC,
Since the D / A converter function and the signal amplifier function are built in a single IC, there are a plurality of functional blocks.
The actual IC is single.

FIG. 6 is a diagram showing a signal path between the battery pack 1 and the portable telephone main body 2. As an example of the sound data stored in the flash memory 12 in the battery pack 1, a portable telephone line is shown. A case where more compressed digital music data is downloaded is shown. The digital music data is received by the mobile phone main body 2 and transferred from the serial port of the mobile phone main body 2 to the serial port of the controller 13 in the battery pack 1 via the connector 6. The controller 13 sequentially writes music data into the flash memory 12 and
2 can store music data.

FIG. 7 is a diagram showing a signal path when the battery pack 1 is connected to an external device, and shows a flow of sound data. As information devices other than mobile phones, for example, P
FIG. 3 shows a flow from C20 to the storage of compressed music data in the flash memory 12 in the battery pack 1. FIG. The battery pack 1 is detached from the mobile phone main body 2, and is connected to a PC from a serial connector 15 for external connection provided on the battery pack 1 via a cable.
20 are connected to a serial port 21. The data transfer means is the same as in FIG.

On the other hand, the digital sound data stored in the flash memory 12 is stored in the battery pack by making a similar connection and then requesting a file transfer from the flash memory in the battery pack by the portable telephone or PC. Can transfer the data stored in the flash memory in the battery pack to the mobile phone and the PC, respectively.

The MP mentioned earlier as an example of the audio compression system
When the EG-1 Layer 3 is used, music data having a CD sound quality can be stored for about one minute with a capacity of 1 MB, so that the flash memory 12 is, for example, a 256M memory such as Mitsubishi Electric's M5M29F25611VP.
By mounting one bit (corresponding to 32 MB) flash memory, a function of recording (storing) a music piece having a CD sound quality of about 30 minutes is realized.

The compressed music data stored in the flash memory 12 is transmitted to the controller 13 in the battery pack 1.
Is transmitted to the decoder 19 in accordance with the instruction from the receiver, becomes analog information via the D / A converter 16 and the signal amplifier 17, and can be reproduced as normal music information through a sound converter such as headphones. An instruction from the controller 13 can be transmitted to the battery pack 1 via a serial port by transmitting a command specified by pressing a button on the mobile phone main body 2. Since it is sufficient to simply add a function for transmitting a command, an easy response is possible.

In the present embodiment, the connector 18 for connecting headphones or the like is provided on the battery pack 1, but a similar terminal provided on the mobile phone body 2 may be used. However, in this case, a path for transmitting the decoded (expanded) analog music information to the mobile phone main body 2 through the D / A converter is required. For example, it is necessary to provide a connector for transmitting the same signal in addition to the serial port connector, or to increase the number of poles of the serial port connector.

Third Embodiment FIG. 8 is a perspective view of a battery pack according to a third embodiment of the present invention. The specific structure of the battery pack for a portable telephone according to the third embodiment of the present invention will be described. 2, the battery pack 1 has a function of recording and reproducing sound information such as compressed music (sound information reproduction function). In the figure, the built-in battery cell 10, flash memory 12, and the like are the same as those in the second embodiment, except that the battery pack 1 is provided with buttons 23 to 27 for controlling functions related to music data reproduction. Are different. Each button is used for playback, fast forward, rewind,
It has a function for instructing the controller 13 in the battery pack 1 to perform a stop function.

With such a configuration, it is not necessary to transmit a command relating to music data reproduction from the portable telephone body 2 to the battery pack 1, and the music data can be stored in the battery pack alone without being connected to the portable telephone body. Data playback function can be used.

In the present embodiment, a case is shown in which a button for controlling commands related to reproduction is provided on the battery pack. However, a connector may be separately provided on the battery pack, and a controller may be provided ahead of the connector. . In this case, remote operation within the reach of the cable is possible, and operation can be prohibited by removing the controller.If important information is included, safety can be required. it can. Next, an example is shown. FIG. 9 is a connection diagram of a battery pack according to Embodiment 3 of the present invention. By increasing the number of poles of the external device connection connector 15 instead of preparing a separate connector, the controller 30
Connection is possible. 31 is a headphone terminal. FIG. 10 is an external view of a battery pack according to Embodiments 2 and 3 of the present invention, and an external view when the battery pack is mounted on a mobile phone body.

Fourth Embodiment FIG. 11 is a perspective view of a battery pack according to a fourth embodiment of the present invention, wherein FIG. 11A is an exploded view of the battery pack, and FIG. FIG. (b) is a sectional view showing an AB section of (a). The same reference numerals as those in other embodiments indicate the same or corresponding parts. In this embodiment, the substrate 4 and the upper lid 40 of the battery pack 1 are integrated. Reference numeral 41 denotes a convex portion for fixing the substrate 4 to the upper lid 40, and is formed inside the upper lid corresponding to four corners of the substrate. Reference numeral 42 denotes an opening provided on a side surface of the upper lid 40, which forms a space through which a connection cable terminal of an external device connected to the serial connector 15 passes. As shown in (b), the above-described overcharge / overdischarge protection circuit 11, flash memory 12, controller 13, and serial connector 15 for the lithium ion secondary battery cell are arranged on the inner surface side of the upper lid 40 on the substrate 4. In addition, a connector 14 is disposed on the opposite side of the substrate 4 (the opposite side from the upper lid side). By sandwiching the lithium ion secondary battery cell 10 between the upper lid 40 and the lower lid 43 on which the substrate 4 is integrated, the peripheral edges 44, 45 of both lids are aligned and fixed with an adhesive, as shown in FIG. The battery pack 1 as shown in FIG. A rectangular hole 51 is provided in the lower lid 43, and a space is formed so that the pins of the connector 6 in the mobile phone main body 2 pass when the battery pack 1 is built in the mobile phone main body 2. . The circuit configuration in this battery pack is the same as in FIG. 3, and the electrical connection between battery pack 1 and mobile phone main body 2 is the same as in FIG. According to this configuration, the substrate 4 and the battery pack 1
The non-telephone function can be implemented by changing only the upper lid by integrating the upper lid 40.

FIG. 12A shows a state in which the battery pack 1 according to the fourth embodiment has been removed from the battery pack storage section 3 of the portable telephone body 2. Also
(b) shows a state where the battery pack 1 is mounted in the battery pack storage section 3 of the mobile phone main body 2.

Fifth Embodiment FIG. 13 is a configuration diagram showing a battery pack according to a fifth embodiment of the present invention. FIG. 13 (a) is an exploded view of the battery pack, and shows a state where the upper lid 40 is seen through. I have. (b)
It is sectional drawing which shows AB cross section of (a), (c) is C of (a).
It is sectional drawing which shows the -D cross section. In this embodiment,
The protection circuit 11 of the lithium ion battery cell 10 is not formed on the substrate 4 as shown in (b), but is integrated with the lithium ion secondary battery cell 10 as shown in (c). As shown in (c), the lithium ion battery cell 10
And over-discharge protection circuit 1 for lithium ion secondary battery
1 (circuit board constituting this protection circuit) is overlapped and wrapped with an insulating material such as a heat-shrinkable tube 46, and both ends are covered with an insulating plate (not shown) to constitute a simple pack 47. I have. The electrodes (not shown) of the lithium ion battery cells are connected to power terminals (not shown) on the substrate 4 by cables. The battery pack 1 is configured by stacking the simple pack 47 and the upper lid 40, and the bottom side of the simple pack 47 is configured to also serve as the bottom plate of the battery pack. The electric circuit in the battery pack 1 is the same as the configuration shown in FIG. 3, and the electrical connection between the battery pack 1 and the mobile phone main body 2 is the same as the configuration in FIG. In FIG. 14, (a) shows the battery pack 1
(B) shows a state in which the battery pack 1 has been removed from the battery pack storage section 3 of the mobile phone main body 2, and (b) shows a state in which the battery pack 1 has been removed from the battery pack storage section 3 of the mobile telephone body 2. This shows a mounted state. According to such a configuration, the battery pack 1
Can be constituted by the upper lid 40 side and the simple pack 47, and the bottom surface of the simple pack serves as the lower lid. Therefore, by omitting the lower lid 40, the battery pack 1 can be made thinner and simpler.

Embodiment 6 FIG. 15 shows a battery pack 1 according to Embodiment 5 of the present invention.
FIG. 3A is a configuration diagram illustrating a battery pack; FIG.
(B) is a cross-sectional view showing an EF cross section of the upper lid 40 side in (a), and (c) is a cross-sectional view showing a CD cross section of the simple pack 47 in (a). FIG. The sixth embodiment is the same as the fifth embodiment in that the battery pack 1 is configured by the upper lid 40 and the simple pack 47, and the simple bag 47 has the same configuration as the fifth embodiment. The difference is that the flash memory 12 on the 40 side is constituted by a removable memory card 48 (for example, a Sony memory stick). In order to use the memory card 48, the structure inside the upper cover 40 will be described. As shown in (b), a slot-shaped guide 49 for disposing the memory card 48 in the upper cover 40 is provided on the substrate 4. One end of the guide 49 is in contact with the side end of the upper lid 40, and the side end of the upper lid that is in contact with the end of the guide is provided with an opening 50 for inserting and removing a memory card. Reference numeral 51 denotes a hook-shaped spring-like connection pin having one end fixed to the bottom surface of the guide 49 and the other end opened, and comes into contact with a terminal (not shown) of the memory card 48 inserted into the guide 49. The electrical connection between them is made. The configuration of the electric circuit in the battery pack 1 is the same as that of FIG.
Is electrically connected to that of FIG. According to the sixth embodiment, the connection with the external device such as the PC described in the other embodiments is realized not through the serial connector 15 but through the memory card. Note that the same reference numerals in the embodiments described above indicate the same or corresponding parts.

In the above embodiments, an example is described in which the battery pack 1 and the portable telephone body 2 are all electrically connected via a connector or a cable, but a wireless connection form is used. It is also possible.
In the above embodiment, the description has been given of the mobile phone. However, it is needless to say that the present invention can be applied to a so-called PHS.

[0044]

According to the battery pack of the first configuration of the present invention, the non-telephone function is provided together with the power supply, so that the function not possessed by the conventional portable telephone can be provided. .

According to the battery pack of the second configuration of the present invention, the substrate on which the non-telephone function circuit is integrated and the non-telephone function circuit is disposed between the upper lid and the lower lid, and the battery cell are formed. By being sandwiched and formed, there is an effect that a non-telephone function can be implemented by changing only the upper lid.

According to the battery pack of the third configuration of the present invention, a battery pack and a simple pack formed by wrapping a battery cell protection circuit with an insulator and an upper lid are overlapped to form a battery pack. There is an effect that the pack can be reduced in thickness.

According to the battery pack of the fourth configuration of the present invention, the battery pack is provided with a power source and a non-telephone function that operates at least partially even when detached from the portable information device main body. Has an effect that the non-telephone function can be used in a state where the telephone is detached from the mobile phone body.

Further, according to the battery pack of the fifth configuration of the present invention, the function of storing data transferred from the main body of the portable telephone or other information equipment in a memory built in the battery pack as a non-telephone function, Or, by providing a function of transferring data stored in the memory to the mobile phone main body or another information device, a function of storing data transferred from the information device in a state of being detached from the mobile phone main body, or There is an effect that a function of transferring data stored in the memory to the mobile phone main body or another information device can be used.

Further, according to the battery pack of the sixth configuration of the present invention, the battery pack includes the substrate and the battery cell disposed between the upper lid and the lower lid, and the memory cart guide provided on the substrate. Since the memory is constituted by a memory card, there is an effect that connection to an external device can be realized by the memory card.

According to the battery pack of the seventh configuration of the present invention, the non-telephone function has a sound information reproducing function of converting digital sound information into analog data and then outputting the converted digital data to the outside. Accordingly, there is an effect that the sound information reproducing function newly incorporated in the battery pack can be used by the battery pack alone.

Further, according to the portable telephone having the eighth configuration of the present invention, a plurality of functions of the conventional individual devices can be realized by a single device, and the portability can be improved. There is.

[Brief description of the drawings]

FIG. 1 is a partial perspective view of a battery pack according to a first embodiment of the present invention.

FIG. 2 is a configuration diagram showing an electrical connection between a mobile phone main body and a battery pack according to Embodiment 1 of the present invention.

FIG. 3 is a block diagram showing a circuit in the battery pack according to Embodiment 1 of the present invention.

FIG. 4 is a partial perspective view of a battery pack according to Embodiment 2 of the present invention.

FIG. 5 is a block diagram showing electrical connections in a battery pack according to Embodiment 2 of the present invention.

FIG. 6 is a configuration diagram showing a signal path between a mobile phone main body and a battery pack.

FIG. 7 is a diagram illustrating a signal path when an external device and a battery pack are connected.

FIG. 8 is a perspective view of a battery pack according to Embodiment 3 of the present invention.

FIG. 9 is a connection diagram of a battery pack according to Embodiment 3 of the present invention.

FIG. 10 is an external view of a battery pack according to Embodiments 2 and 3 of the present invention and an external view when the battery pack is attached to a mobile phone main body.

FIG. 11 is a perspective view of a part of a battery pack according to a fourth embodiment of the present invention, which is disassembled and disassembled.

FIG. 12 is a perspective view showing a state in which the battery pack according to Embodiment 4 of the present invention is detached from and attached to a telephone main body in a partially transparent manner.

FIG. 13 is a perspective view of a part of a battery pack according to a fifth embodiment of the present invention, which is disassembled and disassembled.

FIG. 14 is a perspective view showing a state in which the battery pack according to Embodiment 5 of the present invention is detached from the telephone body and attached thereto in a partially transparent manner.

FIG. 15 is a partially exploded configuration diagram of a battery pack according to a sixth embodiment of the present invention.

FIG. 16 is a perspective view showing a state in which the battery pack according to Embodiment 6 of the present invention is detached from and attached to a telephone main body in a partially transparent manner.

[Explanation of symbols]

REFERENCE SIGNS LIST 1 battery pack, 2 mobile phone main body, 10 lithium ion secondary battery cell, 12 flash memory, 13
Controller, 14, 15, 18 Connector, 16
D / A converter, 17 signal amplifier, 19 decoder, 4
0 Upper lid, 43 lower lid, 47 simple pack, 48 memory card, 49 guide.

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme court ゛ (Reference) H04M 1/725 H04B 7/26 V 5K067 (72) Inventor Masashi Okabe 2-3-2 Marunouchi, Chiyoda-ku, Tokyo No. Mitsubishi Electric Corporation (72) Inventor Yutaka Ishihara 2-3-2 Marunouchi, Chiyoda-ku, Tokyo F-term in Mitsubishi Electric Corporation (reference) 5B011 DA06 DB16 EA06 EA10 5H040 AA39 AS13 AY04 DD10 GG26 5K011 AA04 AA08 JA01 KA12 5K023 AA07 BB11 DD06 LL04 LL06 MM03 MM14 MM19 MM20 5K027 AA11 BB01 GG04 HH29 KK06 KK07 MM03 5K067 AA34 BB04 KK05 KK17

Claims (8)

[Claims] 1. A battery pack for a portable information device, which is provided with a non-telephone function together with a power source in a battery pack for a portable telephone connected to a device main body as a main operating power supply. 2. The portable information according to claim 1, wherein a battery integrated with the upper lid and on which a non-telephone function circuit is arranged and a battery cell are sandwiched between the upper lid and the lower lid. Battery pack for equipment. 3. The battery pack for a portable information device according to claim 1, wherein a battery pack and a simple pack formed by wrapping a battery cell and a protection circuit of the battery cell with an insulator are overlapped with an upper lid. 4. A mobile phone battery pack connected to a device main body as a main operating power supply, comprising a power source and a non-telephone function that operates at least partially even when detached from the mobile phone main body. Characteristic battery pack for mobile phones. 5. The non-telephone function includes a function of storing data transferred from the mobile phone main body or another information device in a memory incorporated in the battery pack, or a function of storing data stored in the memory in the mobile phone main body or other The battery pack for a mobile phone according to any one of claims 1 to 4, further comprising a function of transferring the information to an information device. 6. The mobile phone according to claim 5, comprising a substrate and a battery cell disposed between the upper lid and the lower lid, and a guide for a memory cart provided on the substrate, wherein the memory is constituted by a memory card. Battery pack for information equipment. 7. The portable telephone according to claim 1, further comprising, as a non-telephone function, a sound information reproducing function of converting digitalized sound information into an analog signal and outputting the analog signal to the outside. Battery pack. 8. A mobile phone equipped with the mobile phone battery pack according to claim 1.