JP2000115346A - Backup device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a backup device that can simply back up telephone number data stored in a built-in memory of a portable telephone set at any time at a low cost. SOLUTION: This backup device connects to a data communication connector of a portable telephone set 42 directly via a connector 28, reads telephone number data from the portable telephone set 42 via the connector 28, in response to a control signal from a control switch under the control of a single chip microcomputer while receiving power from the portable telephone set 42, stores the data to a flash memory, writes the telephone number data stored in the flash memory to the portable telephone set 42 and a notice means of the backup device informs the user of completion of read of the telephone number data from the portable telephone set 42 and of completion of write of the telephone number data to the portable telephone set 42.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for backing up telephone number data stored in a built-in memory of a portable telephone.

[0002]

2. Description of the Related Art A portable telephone usually has a built-in memory capable of storing several hundreds of telephone number data, and the telephone number data can be edited by operating keys of the portable telephone. However, if the mobile phone is damaged due to dropping or getting wet, or if a new mobile phone is purchased, the phone number data stored in the internal memory cannot be used. It is necessary to back up the telephone number data that has been saved.

The spread of mobile phones has been remarkable, and has been increasing year by year. For this reason, with the increase in the number of mobile phone users, from January 1, 1999, the telephone number of the mobile phone will be changed to 11 digits. Therefore,
The user of the mobile phone needs to convert the telephone number data stored in the internal memory of the mobile phone into 11 digits. However, it is time-consuming and troublesome to convert hundreds of number data using the operation keys of the mobile phone, and it is very troublesome.

In response to this, the portable telephone is connected to, for example, a personal computer (hereinafter referred to as a personal computer) via a cable, and the data stored in the internal memory of the portable telephone is read out to the personal computer to back up the data. Or edit the phone number data on the personal computer after making various edits such as adding, deleting, or searching for the phone number data, and then editing the phone number data after editing into the mobile phone. Software programs have been developed for.

In this editing program, in addition to the above functions,
Generally, the telephone number is set to 11 according to the digitization of the telephone number.
It also has the function of batch conversion to a new digit telephone number, and has the advantage that it is not necessary to manually convert the telephone number to 11 digits.

However, since the editing program reads the telephone number data of a mobile phone into a personal computer and performs processing, a user of the mobile phone who does not have a personal computer cannot use the editing program. There is a problem. In addition, every time you back up or edit phone number data, you need to connect the mobile phone to the PC with a cable, start up the PC and perform backup and editing, which makes the operation complicated and more troublesome than anything. is there.

For example, when a telephone number registered in a mobile phone is changed in a place where the user is out of the office, or when a new telephone number is registered, a personal computer having a portable type such as a notebook type or a handheld type is immediately used. If the mobile phone is destroyed during this time, there is a problem that it is necessary to change or re-enter the newly registered telephone number data. Further, this kind of editing program is generally expensive at around 10,000 yen.

[0008]

SUMMARY OF THE INVENTION An object of the present invention is to provide an inexpensive and easy-to-use telephone number data stored in a built-in memory of a portable telephone at any time in consideration of the problems of the prior art. A backup device is provided.

[0009]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention reads out telephone number data stored in a built-in memory of a portable telephone and backs up the telephone number data. A backup device for writing to a phone, comprising: a connection connector connected to a data communication connector of the mobile phone; reading of phone number data from the mobile phone; and writing of phone number data to the mobile phone. A control switch for controlling, a flash memory for storing telephone number data read from the mobile phone, and a telephone from the mobile phone via the connection connector according to a control signal from the control switch. Number data is read and stored in the flash memory, and stored in the flash memory. A single-chip microcomputer to write the telephone number data to the mobile phone, the control of the single-chip microcomputer,
Notifying means for notifying that the reading of the phone number data from the mobile phone and the writing of the phone number data to the mobile phone have been completed, and the backup device includes the mobile phone via the connection connector. A backup device is provided which is directly connected to a data communication connector of a telephone and operates by being supplied with power from the portable telephone.

Here, in the backup device,
Further, it is preferable to have a second control switch for controlling so as to automatically convert the telephone number data read from the mobile telephone into a new 11-digit telephone number. It is preferable that the backup device further includes a built-in power supply and an automatic power supply switching circuit that switches between the built-in power supply and power supplied from the mobile phone. Further, it is preferable that the internal power supply can be used as an external power supply of the mobile phone. Further, it is preferable that the backup device further includes a key holder. Further, it is preferable that silk printing is performed on the surface of the backup device main body.

The present invention is also a backup device for reading out telephone number data stored in a built-in memory of a mobile phone and backing up the data, and writing the backed up telephone number data to the mobile phone. A connection connector connected to the data communication connector, reading of telephone number data from the mobile phone, and a control switch for controlling writing of telephone number data to the mobile phone; and A flash memory that stores the read telephone number data, and, in accordance with a control signal from the control switch, reads the telephone number data from the mobile phone through the connection connector and stores the telephone number data in the flash memory. And transmitting the telephone number data stored in the flash memory to the mobile phone. A single-chip microcomputer for writing, and a notifying unit for notifying that the reading of the telephone number data from the mobile phone and the writing of the telephone number data to the mobile phone have been completed by the control of the single-chip microcomputer. , A built-in power supply, and a power supply automatic switching circuit that switches and supplies the built-in power supply and the power supply supplied from the mobile phone,
The backup device is directly connected to the data communication connector of the mobile phone via the connection connector,
A backup device is provided that operates on a power supplied from the mobile phone or the built-in power.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a backup device according to the present invention will be described in detail based on a preferred embodiment shown in the accompanying drawings.

FIGS. 1A and 1B are a front view and a back view, respectively, of an embodiment of a backup device according to the present invention.
The backup device 10 shown in FIG. 1 has a main body 12 having a semi-elliptical shape, and a read switch 14, a write switch 16 and an operation LED 18 are provided on one surface thereof, as shown in FIG. FIG. 1 (b) is provided on the other surface.
1, a reset switch 20 and an operation buzzer 22 are provided. Here, the read switch 14, the write switch 16 and the reset switch 20 are control switches of the present invention, and the operation LED 18 and the operation buzzer 22 are notification means of the present invention.

As shown in FIGS. 1 (a) and 1 (b), the top of the ellipse of the main body 12 (the lower part in the figure)
A key holder 26 is provided via a chain 24, and a connector 28 for connection to a mobile phone is provided at the bottom (upper part in the figure) of the elliptical shape of the main body 12. Also, the main body 12
Has a lock 30 for fixing the backup device 10 when it is connected to a mobile phone.

Here, the read switch 14 is basically
Phone number data stored in the mobile phone's internal memory
A switch for reading the data into the backup device 10. On the other hand, the write switch 16 is basically a switch for writing telephone number data from the backup device 10 to the internal memory of the mobile phone. The reset switch 20 is connected to the backup device 1.
This switch is used to delete the telephone number data backed up to 0, or to convert the telephone number to 11 digits after reading the telephone number data from the mobile phone to the backup device 10 as will be described in detail later.

The operation LED 18 displays the operation state of the read switch 14 and the write switch 16, the communication state of the telephone number data between the portable telephone and the backup device 10, and the communication result. In the example, a two-color LED that emits red and green simultaneously or individually is used. For example, in the present embodiment, the operation LED 18 lights orange when the read switch 14 and the write switch 16 are pressed for 3 seconds or more, and flashes green when the backup device 10 and the mobile phone are communicating. . In addition, operation LED
Reference numeral 18 turns on green for 15 seconds when communication ends normally, and turns on red for 15 seconds when communication ends abnormally.

The operation buzzer 22 is used for confirming the operation of the read switch 14 and the write switch 16 by the user and for notifying the user of the communication state between the backup device 10 and the portable telephone. It is. For example, in this embodiment, the operation buzzer 22 generates a beep when the read switch 14 and the write switch 16 are operated. In addition, a beeping sound is generated when the communication between the backup device 10 and the mobile phone ends normally, and a beeping sound is generated for 5 seconds when the communication ends abnormally.

The chain 24 and the key holder 26 are conventionally known. For example, when the backup device 10 of the present invention is not used, the key is connected to the key holder 30 by using the backup device 10 of the present invention as a key holder. Alternatively, as described later, when the main body 12 is silk-printed or the like, the backup device 10 of the present invention is connected to a predetermined portion of the mobile phone via the key holder 26 as if it were an accessory.

The connection connector 28 is a 16-pin connector for directly connecting the backup device 10 to a data communication connector of a portable telephone. Note that the mobile phone referred to in the present invention also includes a PHS (Personal Phone System). If the PHS also matches the connector shape,
This can be achieved by using a connection connector that matches the S connector shape. In the case of the present embodiment, a mobile phone having a power contact is used as a data communication connector of the mobile phone, and power of the backup device 10 is supplied from the mobile phone.

When the backup device 10 is connected to the mobile phone via the connection connector 28, the lock 30
This is for preventing the backup device 10 from being detached from the mobile phone by mistake, and is not limited in any way. For example, locks 3 provided on both side surfaces of the main body 12 are provided.
Locking is released by sandwiching and pressing 0 with the thumb and forefinger of one hand, and the backup device 10 can be attached to or detached from the mobile phone.

Next, an example of a specific circuit configuration of the backup device 10 of the present invention will be described with reference to the conceptual configuration diagram shown in FIG.

The backup device 10 shown in FIG.
Read switch 1 corresponding to the backup device shown in FIG.
4, write switch 16, operation LED 18, operation buzzer 2
2. In addition to the reset switch 20 and the connector 28, an 8-bit single-chip microcomputer (hereinafter referred to as a microcomputer) 32, 64K words × 8 bits =
It has a 512K-bit flash memory 34, a regulator 36, a buffer 38, and a crystal oscillator 40.

Here, the microcomputer 32 includes an oscillation circuit, a UART (asynchronous transmission / reception circuit),
The memory for programming and the like are configured as one semiconductor chip. The microcomputer 32 generates a signal based on a clock signal generated by the crystal oscillator 40 connected to the oscillation circuit.
Operated by a software program stored in the program memory. Signals from the read switch 14, the write switch 16 and the reset switch 20 are supplied to and processed by the microcomputer 32, and the operation LED 18, the operation buzzer 22, the flash memory 34, and the Communication with is controlled.

The flash memory 34 is for backing up telephone number data stored in a built-in memory of the portable telephone, and is provided with a control signal CONTR from the microcomputer 32.
The telephone number data is written or read via the data signal DATA at the address controlled by the OL and specified by the address signal ADR. In addition,
In this embodiment, one 512-Kbit memory is used to back up 500 data, but the present invention is not limited to this, and two or more flash memories may be provided. The number of data to be backed up is not limited at all.

As shown in FIG. 2, the connector 28 is provided with terminals for a control signal 1, an up signal and a down signal, in addition to a power supply and two grounds GND. Here, the power and ground of the backup device 10 are supplied from the mobile phone through the power of the connector 28 and the two grounds GND. After the power is supplied to the regulator 36, it is supplied from the regulator 36 to the power supply Vcc of each internal circuit of the backup device 10, and the ground is directly supplied to each internal circuit of the backup device 10.

The regulator 36 performs voltage conversion when the operating voltages of the mobile phone and the backup circuit 10 are different from each other, stabilizes the power supply, and holds the backup device 10 in a state where the power of the mobile phone is turned on. It functions as a power protection circuit when it is connected or disconnected from the phone. Although the regulator 36 is not an essential component, the provision of the regulator 36 can prevent the cellular phone from being destroyed in the case of an emergency as described above.

The control signal 1 is a terminal for setting the mobile phone to the external communication mode. When the mobile phone is connected to the ground level, the mobile phone is set to the external communication mode, and the telephone number data stored in the internal memory of the mobile phone. Can be read or written from the backup device 10 side.

Communication between the portable telephone and the backup device 10, that is, reading and writing of telephone number data is performed via terminals for upstream and downstream signals. The telephone number data stored in the built-in memory of the mobile phone is supplied to the microcomputer 32 via the terminal for a down signal and the buffer 38, and is written and backed up in the flash memory 34 under the control of the microcomputer 32. On the other hand, the telephone number data backed up in the flash memory 34 is read from the flash memory 34 under the control of the microcomputer 32, and written into the internal memory of the mobile phone via the buffer 38 and the terminal for the up signal.

Next, the operation of the backup device 10 of the present invention will be described. When using the backup device 10, as shown in FIG. 3, first, with the power of the mobile phone 42 turned off, the positions of the data communication connector of the mobile phone 42 and the connection connector 28 of the backup device 10 are determined. In addition, the backup device 10 and the mobile phone 42
Is directly connected, and then the mobile phone 42 is turned on. At this time, the backup device 10 is fixed to the mobile phone 42 by the lock 30.

The backup device 10 of the present invention has an advantage that it is very portable because the backup device 10 can be directly connected to the mobile phone 42 via a cable instead of being connected. Note that it is of course possible to connect the mobile phone and the backup device 10 via a cable.

When reading telephone number data from the portable telephone 42 to the backup device 10, first, the read switch 1
Press 4 for more than 3 seconds. At this time, a beep sound is generated from the operation buzzer 22, and the operation LED 18 emits orange light. Subsequently, after the finger is released from the readout switch 14 to return to the original position, the readout switch 14 is pressed again. At this time, a beep sound is generated again from the operation buzzer 22, the operation LED 18 flashes green, and the backup device 1 is transmitted from the mobile phone 42.
Reading of data to 0 is started.

During communication, the operation LED 18 continues to blink green, so that the user can recognize that communication is in progress. During communication, the phone number data stored in the built-in memory cannot be edited on the mobile phone 42,
Since the call function is fully functional, the user can make a call even during communication. The communication speed is 96
00 bps (bits / second) high-speed communication mode and 60
There are two types of low-speed communication modes of 0 bps.
The communication between the backup device 10 and the backup device 10
2 is performed in the high-speed communication mode when it is compatible with the high-speed communication mode, and is automatically performed in the low-speed communication mode when it is not compatible.

If the reading of the telephone number data is completed normally after the communication between the portable telephone 42 and the backup device 10 is completed, a beeping sound is generated from the operation buzzer 22 and the operation LED turns green for 15 seconds. It is lit. On the other hand, if the operation ends abnormally, the operation buzzer 2
A beep is generated for 2 to 5 seconds and the operation LED 18 is set to 15
Lights red for seconds. Thus, the user can determine whether the reading of the telephone number data has been completed normally or an abnormality has occurred.

Here, after the data is normally read from the mobile phone 42 to the backup device 10, if necessary,
By pressing the reset switch 20, the read telephone number data is automatically converted to a new 11-digit telephone number.

On the other hand, the operation for writing telephone number data from the backup device 10 to the mobile phone 42 is the same as the operation for reading telephone number data from the mobile phone 42 to the backup device 10 except that the read switch 14 is changed to the write switch 16. Will be replaced with

That is, the backup device 10 of the present invention
Is connected to the mobile phone 42, the power of the mobile phone is turned on, and first, the write switch 16 is pressed for 3 seconds or more. At this time, a beep is generated from the operation buzzer 22 and the operation LE
D18 emits orange light. Subsequently, after releasing the finger from the write switch 16 to return it to the original position, the write switch 1
Press 6. At this time, a beeping sound is generated again from the operation buzzer 22, the operation LED 18 flashes green, and the writing of data from the backup device 10 to the mobile phone 42 is started.

During the communication, the operation LED keeps blinking green. If the data writing is completed normally after the communication is completed, a beeping sound is generated from the operation buzzer 22 and the operation LED 18 is lit green for 15 seconds. On the other hand, if the operation is abnormally terminated, a beep is generated from the operation buzzer 22 for 5 seconds, and the operation LED 18 is lit red for 15 seconds. Thus, the user determines whether the writing of the telephone number data has been completed normally or an abnormality has occurred.

After the communication is normally completed, the power of the mobile phone is turned off, the lock is released by pressing the lock 30 of the backup device 10, and the backup device 10 is removed from the mobile phone 42. The detached backup device 10 may be stored in a pocket or a bag, or may be attached to a predetermined portion of the mobile phone 42 as an accessory by the key holder 26. In addition, it is preferable to perform silk printing or the like on the surface of the main body 12 of the backup device 10 or to provide a cap for protecting the connection connector 28 so as to serve as an accessory.

In the backup device 10 of the present invention, the backed up data can be deleted as needed. In this case, with the backup device 10 connected to the mobile phone 42 and the power of the mobile phone 42 turned on, first, the reset switch 20 is pressed for three seconds or more.
At this time, the operation LED 18 emits orange light. Subsequently, when the read switch 14 is pressed after returning the reset switch 20 to the original position, the operation LED 18 flashes orange, and the erasing of the telephone number data backed up in the backup device is started.

As described above, according to the backup device 10 of the present invention, the main body is directly connected to the mobile phone, and the power is supplied from the mobile phone to operate. By limiting the functions to a minimum, the number of parts can be kept to a minimum, which allows for compactness, excellent portability, easy backup whenever necessary, and automatic conversion to a new phone number. It has the advantage that it can be rewritten and can be manufactured inexpensively.

In the above embodiment, the power is supplied from the mobile phone to the backup device 10 for the purpose of miniaturization and cost reduction, and the backup device 10 is not provided with a power source. The invention is not limited to this, and a power supply may be provided inside the backup device 10. For the same purpose, only the minimum necessary control switches and notification means and the flash memory 34 are provided. However, the specific configuration means, number, operation method, and the like of the control switches and notification means, and the flash memory 34 are not limited at all. Not done.

FIG. 4 is a conceptual diagram showing the configuration of another embodiment of the backup device of the present invention. The backup device 10 'shown in FIG.
In that an illuminated read switch 14 ′ and a write switch 16 ′ each including a two-color LED are used,
The only difference is that the system does not include the reset switch 20, but instead has a new telephone number corresponding switch 44, has a built-in power supply 46 and an automatic power supply switching circuit 48, and uses a flash memory 34 'having a different configuration. Therefore, the same components other than these are denoted by the same reference numerals, and detailed description thereof will be omitted.

That is, first, the read switch 14 ′
Basically, like the readout switch 14 of FIG. 2, the switch is for reading telephone number data stored in the internal memory of the mobile phone into the backup device 10 '. The telephone number data stored in the flash memory 34 'of the backup device 10' is erased and used for selecting an area of the flash memory 34 'to be used, which will be described later in detail.

On the other hand, the write switch 16 'is basically a switch for writing telephone number data from the backup device 10' to the internal memory of the portable telephone. As will be described later in detail, the backup device 10 'is also used to erase the telephone number data stored in the flash memory 34'. The new telephone number corresponding switch 44 is a toggle switch for specifying whether to automatically convert the telephone number data read from the mobile phone into a new 11-digit telephone number. By turning on the switch 44, the telephone number data read from the mobile phone is automatically converted to a new telephone number.

The flash memory 34 'has a structure of 256K words.times.8 bits = 2048K bits, has a memory capacity four times that of the flash memory 34 shown in FIG. 2, and has a total of 2,000 telephone number data. Backup is possible. In this embodiment, the flash memory 34 'is logically equally divided into areas 1 and 2, and one of the areas is used at the same time under the control of the read switch 14'. As the flash memory 34 ', one physical memory may be logically divided into two or more regions, or may be used without being divided, or two or more physical memories may be provided. These memories may be physically switched and used, or the memories may be physically and logically divided for use.

The built-in power supply 46 is a conventionally known power supply (battery). In the case of the present embodiment, for example, two button-type lithium batteries are used for the purpose of reducing the size and weight and reducing the cost, but the present invention is not limited to this. The outputs of the built-in power supply 46 and the regulator 36 are supplied to an automatic power supply switching circuit 48 described below.

The automatic power supply switching circuit 48 switches between the built-in power supply 46 and the power supplied from the mobile phone and supplies the same. Basically, when the backup device 10 ′ is not connected to the mobile phone, the built-in power supply 46 is the power supply V of the internal circuit.
The power supply is supplied as cc, and when connected, the power supplied from the mobile phone is supplied as the power supply Vcc of the internal circuit, and functions to prevent the internal power supply 46 from being consumed. The built-in power supply 46 can supply power to the mobile phone as an emergency power supply for the mobile phone.

In the backup device 10 ',
First, in a state where the mobile phone is not connected, the reading switch 14 'is pressed to select the area 1 or 2 of the flash memory 34' to be processed. in this case,
Each time the read switch 14 'is pressed once, the areas 1 and 2 of the flash memory 34' are alternately selected. At this time,
When the area 1 is selected, the readout switch 14 ′ lights up in green, and when the area 2 is selected, it turns on in red.

The operation of reading the telephone number data from the portable telephone to the backup device 10 'and writing the telephone number data from the backup device 10' to the portable telephone and the operation thereof are shown in FIG.
Is exactly the same as That is, with the power of the mobile phone turned off, the backup device 10 'is connected to the mobile phone, and then the telephone number data is read and written to or from the selected area 1 or 2 of the flash memory 34'.

To erase the backed-up telephone number data, first press the write switch 16 'for 3 seconds or more while not connected to the portable telephone. At this time, a beeping sound is generated from the operation buzzer 22, and the operation LED 18 is lit in orange. Then, read switch 14 '
Is pressed, a beeping sound is generated again from the operation buzzer 22,
The operation LED 18 flashes orange, and erasing of the telephone number data stored in the selected area 1 or 2 of the flash memory 34 'is started.

The backup device of the present invention is basically as described above. As described above, the backup device of the present invention has been described in detail. However, the present invention is not limited to the above-described embodiment, and various improvements and changes may be made without departing from the gist of the present invention. .

[0052]

As described in detail above, the backup device of the present invention is basically directly connected to the data communication connector of the mobile phone via the connection connector, and is supplied with power from the mobile phone. Under the control of the single-chip microcomputer, the telephone number data is read out from the mobile phone through the connection connector and stored in the flash memory according to the control signal from the control switch, and the telephone stored in the flash memory is read out. The number data is written to the mobile phone, and the notification means operates to notify that the reading of the phone number data from the mobile phone and the writing of the phone number data to the mobile phone have been completed. Thus, according to the backup device of the present invention, since the main body is directly connected to the mobile phone and operated by supplying power from the mobile phone, it is possible to minimize the number of parts, thereby improving portability. It has the advantage that it can be easily backed up as needed and can be manufactured at low cost.

[Brief description of the drawings]

1 (a) and 1 (b) are a front view and a back view of an embodiment of a backup device of the present invention.

FIG. 2 is a configuration conceptual diagram of an embodiment of a backup device of the present invention.

FIG. 3 is a conceptual diagram of a connection between the backup device of the present invention and a mobile phone.

FIG. 4 is a conceptual diagram of a configuration of another embodiment of the backup device of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Backup device 12 Main body 14, 14 'Read switch 16, 16' Write switch 18 Operation LED 20 Reset switch 22 Operation buzzer 24 Chain 26 Key holder 28 Connector 30 Lock 32 Single chip microcomputer 34, 34 'Flash memory 36 Regulator 38 Buffer 40 Crystal oscillator 42 Mobile phone 44 New telephone number compatible switch 46 Built-in power supply 48 Automatic power supply switching circuit

Claims (7)

[Claims] 1. A backup device for reading and backing up telephone number data stored in a built-in memory of a mobile phone, and writing the backed up telephone number data to the mobile phone. A connection connector connected to the connector, reading of telephone number data from the mobile phone, and a control switch for controlling writing of telephone number data to the mobile phone; and a control switch read from the mobile phone. In response to a flash memory for storing telephone number data and a control signal from the control switch,
Via the connection connector, read out the phone number data from the mobile phone and store it in the flash memory,
A single-chip microcomputer that writes the telephone number data stored in the flash memory to the mobile phone; reading of the telephone number data from the mobile phone under the control of the single-chip microcomputer; and Notification means for notifying that the writing of the telephone number data has been completed, and the backup device is directly connected to the data communication connector of the mobile phone via the connection connector,
A backup device which operates by being supplied with power from the mobile phone. 2. The backup device according to claim 1, further comprising a second control switch for controlling automatic conversion of telephone number data read from the mobile phone into a new 11-digit telephone number. A backup device characterized by the following. 3. The backup device according to claim 1, further comprising a built-in power supply, and an automatic power supply switching circuit for switching between the built-in power supply and power supplied from the mobile phone. A backup device characterized by the above-mentioned. 4. The backup device according to claim 3, wherein the built-in power supply can be used as an external power supply of the mobile phone. 5. The backup device according to claim 1, further comprising a key holder. 6. The backup device according to claim 1, wherein silk-screen printing is performed on a surface of the backup device main body. 7. A backup device for reading and backing up telephone number data stored in a built-in memory of a mobile phone, and writing the backed up telephone number data to the mobile phone. A connection connector connected to the connector, reading of telephone number data from the mobile phone, and a control switch for controlling writing of telephone number data to the mobile phone; and a control switch read from the mobile phone. In response to a flash memory for storing telephone number data and a control signal from the control switch,
Via the connection connector, read out the phone number data from the mobile phone and store it in the flash memory,
A single-chip microcomputer that writes the telephone number data stored in the flash memory to the mobile phone; reading of the telephone number data from the mobile phone under the control of the single-chip microcomputer; and Notification means for notifying that the telephone number data has been written to the
An internal power supply; and an automatic power supply switching circuit for switching between the internal power supply and the power supplied from the mobile phone. The backup device includes a data communication connector of the mobile phone via the connection connector. Connected directly to
A backup device that operates on a power supplied from the mobile phone or the built-in power.