JP2003324503A - Charging system, portable terminal device, and cradle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To allow a user to easily confirm the power state of a spare battery in a cradle side, even if the user using a portable terminal device is set apart from the cradle. <P>SOLUTION: This charging system is composed of a portable terminal device 2, which is mounted with a battery 35 and a cradle 3. The cradle 3 charges to the battery 35 by loading the device 2 in a loading section 8, and charges to a spare battery 11, by mounting the spare battery 11 which can be mounted on the device 2 in a battery mounting section 12. The cradle 3 is provided with a transmission means 20 for transmitting data, showing a power state of the spare battery 11 which charges in the battery mounting section 12. The device 2 is provided with a receiving means 28 for receiving the transmitted data from the transmission means 20 and an informing means 4 informing the power state of the spare battery 11, corresponding to the received data by the receiving means 28. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a mobile terminal device,
The present invention relates to a charging system including a battery mounted on a mobile terminal device and a gantry device that charges a spare battery that can be mounted on the mobile terminal device, and a mobile terminal device and a gantry device that configure such a charging system.

[0002]

2. Description of the Related Art Recently, PDA (Personal Digital Assist)
various mobile terminal devices such as ants), mobile phones, and portable television receivers have appeared. Such a mobile terminal device is generally equipped with a battery, and among them,
Some of them can be charged by removing them from the battery by placing them on a cradle device called a cradle. Further, the cradle not only functions as a charger in this way, but also functions as a relay device that connects the mobile terminal device to another electronic device, or that performs wireless communication with the mobile terminal device, There are various forms such as charging a spare battery that can be mounted in a mobile terminal device.

[0003]

By the way, the above-mentioned portable terminal device in which the battery is mounted, and the battery is charged by mounting the portable terminal device, and the portable terminal device is mounted in the portable terminal device. In a charging system including a cradle that charges a possible spare battery, a cradle side is provided to check the power state (in this case, the charging state) of the spare battery that is charged in the cradle. As a display means for displaying the power state of the spare battery, for example, an LED (Light Emitting Diode) that displays the power state in different colors or an LCD (Liquid Crystal) that displays the remaining power level as an image
Display) etc. are provided.

However, in such a conventional charging system, when the user who uses the portable terminal device is away from the cradle, that is, when the portable terminal device is separated from the cradle and used, the power of the spare battery is reduced. There is an inconvenience that the state cannot be confirmed.

Therefore, the present invention has been proposed in view of such conventional circumstances, and even if the user who uses the portable terminal device is away from the gantry device, the power of the spare battery on the gantry device side is provided. An object of the present invention is to provide a charging system capable of easily confirming the state, and a portable terminal device and a gantry device suitable for configuring such a charging system.

[0006]

In order to achieve this object, a charging system according to the present invention includes a portable terminal device in which a battery is mounted, and a battery in which the portable terminal device is mounted on a mounting portion. Is charged against the
And a gantry device that charges the spare battery by mounting a spare battery that can be mounted on the mobile terminal device to the battery mounting unit, and the gantry device is a spare unit that is charged by the battery mounting unit. The mobile terminal device has a transmitting unit that transmits data indicating the power state of the battery, and the mobile terminal device receives the data transmitted from the transmitting unit and the power state of the spare battery according to the data received by the receiving unit. It is characterized by having a notifying means for notifying.

As described above, in the charging system according to the present invention, the transmission means on the gantry device side transmits the data indicating the power state of the spare battery charged in the battery mounting portion, while the transmission means on the portable terminal device side is transmitted. Since the receiving unit receives the data transmitted from the transmitting unit and the notifying unit notifies the power state of the spare battery according to the data, even if the user who uses the mobile terminal device is away from the gantry device,
It is possible to confirm the power state of the spare battery on the gantry device side. In other words, this charging system does not require a notification means for notifying the gantry device side of the power state of the spare battery.

In the portable terminal device according to the present invention, a battery is mounted, and the battery is charged by being mounted on the mounting part of the gantry device. A battery mounting unit that charges the spare battery by mounting the spare battery that can be mounted on the mobile terminal device, and a transmitting unit that transmits data indicating the power state of the spare battery that is charged by the battery mounting unit. And correspondingly, a receiving means for receiving the data transmitted from the transmitting means, and a notifying means for notifying the power state of the spare battery according to the data received by the receiving means. Is characterized by.

As described above, in the portable terminal device according to the present invention, when the data indicating the power state of the spare battery to be charged in the battery mounting portion is transmitted from the transmitting means on the gantry side, the receiving means transmits. The data transmitted from the means is received, and the notification means notifies the power status of the spare battery according to the data, so that the power status of the spare battery on the gantry device side can be confirmed even when the user is away from the gantry device. You can check.

Further, in the gantry device according to the present invention, the battery is charged by the portable terminal device having the battery mounted on the mounting portion, and the spare battery which can be mounted on the portable terminal device is provided. The spare battery is charged by being mounted on the battery mounting unit, and the mobile terminal device receives the data indicating the power state of the spare battery charged by the battery mounting unit. And notification means for notifying the power state of the spare battery according to the data received by the receiving means. Correspondingly, data indicating the power state of the spare battery is transmitted to the receiving means. It is characterized by including a transmission means.

As described above, in the gantry device according to the present invention, since the transmitting means transmits the data indicating the power state of the spare battery charged in the battery mounting portion, the receiving means on the portable terminal device side transmits the data. Even if the user who uses the portable terminal device is away from the gantry device, the gantry device can receive the data transmitted from the means, and the notifying means can notify the power state of the spare battery according to the data. You can check the power status of the spare battery on the side. Therefore, this gantry device does not require a notification means for notifying the power state of the spare battery.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, a charging system, a portable terminal device and a gantry device to which the present invention is applied will be described in detail with reference to the drawings.

In the present embodiment, as shown in FIGS. 1 and 2, the present invention is applied to a radio communication television receiver (hereinafter, referred to as a wireless television) 1 that allows users to enjoy television broadcasting wirelessly. , This wireless TV 1
A monitor unit 2 as a mobile terminal device and a cradle unit 3 as a gantry device on which the monitor unit 2 is placed are provided.

In the wireless television 1, the cradle unit 3 receives the television broadcast, digitizes the received data and wirelessly transmits the data to the monitor unit 2 to monitor the television broadcast received by the cradle unit 3. The section 2 constitutes a wireless communication system that can be viewed wirelessly. Further, in this wireless television 1, by placing the monitor unit 2 on the cradle unit 3,
The battery mounted on the monitor unit 2 is charged, and the spare battery that can be mounted on the monitor unit 2 is mounted on the cradle unit 3 to configure a charging system that charges the spare battery. There is.

Concretely, the monitor unit 2 is formed in a panel shape as a whole, and a color liquid crystal display panel (LCD) 4 and a speaker 5 for watching a television broadcast are provided on the front side thereof. ing. A touch panel is provided on the front surface of the LCD 4, and various operations such as channel selection and volume adjustment can be performed by pressing the screen displayed on the LCD 4 with an input pen or the like. . Further, on the front side of the monitor unit 2, a power switch 6 for switching ON / OFF of the power supply of the monitor unit 2.
And a battery display button 7 described later are provided. Although not shown, the monitor unit 2 has a battery storage unit on the back side for storing a battery, and electric power is supplied from the battery stored in the battery storage unit. There is.

The monitor section 2 is attachable to and detachable from the cradle section 3 and is mounted on a mounting section 8 of the cradle section 3 which will be described later. Further, in the wireless television 1, the monitor unit 2 is placed on the placing unit 8 of the cradle unit 3 to charge the battery housed in the battery housing unit. That is, the cradle portion 3 is provided with a mounting portion 8 along the cylindrical rear surface of the monitor portion 2 so as to support the rear surface side of the monitor portion 2. The power supply from the cradle unit 3 to the monitor unit 2 is provided at the bottom of the monitor unit 2 by utilizing the weight of the monitor unit 2 when the monitor unit 2 is placed on the placement unit 8. The pair of connection terminals 9 and the pair of connection terminals 10 provided on the mounting portion 8 of the cradle portion 3 are brought into contact with each other to be electrically connected.

Further, the mounting portion 8 has a battery mounting portion 12 on which a spare battery 11 mountable on the monitor portion 2 is mounted.
Is provided. And in this cradle section 3,
Spare battery 1 mounted in these battery mounting portions 12
1 is charged. Also, this cradle part 3
Then, the spare battery 11 without protruding from the mounting portion 8
Since the battery is mounted on the battery mounting portion 12, it is possible to charge the spare battery 11 and simultaneously mount the monitor portion 2 on the mounting portion 8. It should be noted that the number of the spare batteries 11 mounted on the battery mounting portion 12 is arbitrary, and here, up to two spare batteries 11 can be mounted on the battery mounting portion 12 to be charged. .

Further, the bottom of the cradle portion 3 has an outlet 1 electrically connected to an external power source (AC power source).
3 is provided as an extension, and power is supplied from an external power source to the cradle unit 3 via the outlet 13 and power is supplied to the monitor unit 2 mounted on the mounting unit 8 of the cradle unit 3. Is possible. In addition, the power of the cradle unit 3 is turned on / off at the upper portion of the cradle unit 3.
A power switch 14 for switching F is provided.

As described above, the cradle portion 3 is mounted on the mounting portion 8
By mounting the monitor unit 2 on the battery, the battery mounted on the monitor unit 2 is charged, and the spare battery 11 mountable on the monitor unit 2 is mounted on the battery mounting unit 12. , Has a function as a charger for charging the spare battery 11 mounted on the battery mounting portion 12.

The cradle unit 3 also has a function as a relay device for receiving television broadcasts, digitizing the received data, and transmitting the data to the monitor unit 2 wirelessly. In this wireless television 1, when the monitor unit 2 is placed on the placing unit 8 of the cradle unit 3, data can be transmitted / received via the connection terminals 15 and 16 which are in contact with each other.

Here, the circuit configurations of the monitor section 2 and the cradle section 3 which constitute the wireless television 1 will be described.

This wireless television 1 is provided with a microcomputer (CP) for controlling each section on the cradle section 3 side.
U) and the like, a tuner 18 for receiving a television broadcast, and an MPEG2 (Moving Pictu) for digitizing and compressing the data received by the tuner 18.
re Experts Group phase2) Encoder 19 and cradle transmitting / receiving unit 20 for transmitting / receiving data between monitor unit 2 and monitor unit 2 when monitor unit 2 is mounted on mount unit 8 It has an external interface (I / F) 21 for transmitting and receiving data, and each unit is connected via a bus 22.

The tuner 18 is connected to the external antenna 23 via a coaxial cable 24, and the external antenna 2
A desired channel is selected from the broadcast radio waves received by 3 and received. Then, the received data is sent to the MPEG2 encoder 19 via the bus 22. This MP
The data sent to the EG2 encoder 19 is encoded with high efficiency, and then the cradle control unit 17
Is transmitted to the cradle transmitting / receiving unit 20 via the bus 22 under the control of. The cradle transmitting / receiving unit 20 is connected to the antenna 25 and transmits data to the monitor unit 2 side by radio waves.

On the other hand, the monitor unit 2 includes a monitor control unit 26 including a microcomputer (CPU) for controlling each unit, and an MPEG2 decoder 27 for decoding the data encoded by the MPEG2 encoder 19.
And a monitor transmission / reception unit 28 that transmits and receives data to and from the cradle unit 3, and an external interface that transmits and receives data to and from the cradle unit 3 when mounted on the mounting unit 8 of the cradle unit 3 ( I / F) 29, and each unit is connected via a bus 30.

The monitor transmission / reception unit 28 is connected to the antenna 31, and when the radio wave transmitted from the cradle transmission / reception unit 20 is received by the antenna 31, the received data is controlled by the monitor control unit 26. 28 to the MPEG2 decoder 27 via the bus 30. The data decoded by the MPEG2 decoder 27 is sent to the above-mentioned LCD via the bus 30.
4 and the speaker 5. This allows the television broadcast received by the cradle unit 3 side to be viewed wirelessly on the monitor unit 2 side.

On the other hand, data such as control commands transmitted to the cradle unit 3 by operating the touch panel or the like from the monitor unit 2 is transmitted from the monitor transmission / reception unit 28 and received by the cradle transmission / reception unit 20. Then, in the cradle unit 3, the cradle control unit 17 controls each unit based on the data sent from the monitor unit 2 side.

As described above, in the wireless television 1, the cradle unit 3 receives the television broadcast, digitizes the received data, and transmits it to the monitor unit 2 by radio, so that the cradle unit 3 receives the television broadcast. A wireless communication system for wirelessly viewing the monitor unit 2 is configured.

When the monitor section 2 is placed on the placing section 8 of the cradle section 3, the cradle control section 17
Under the control of, the data is sent from the MPEG2 encoder 19 to the external interface 21 via the bus 22. External interface 2 on the side of this cradle 3
1 is a monitor unit 2 via the connection terminals 15 and 16 described above.
It is connected to the external interface 29 on the side. Therefore, data is transmitted and received between the monitor unit 2 and the cradle unit 3 via the external interfaces 21 and 29 of each other.

Further, the wireless television 1 has, on the cradle section 3 side, an outlet 13 connected to the above-mentioned external power source and a power supply circuit 3 connected to the outlet 13.
2 and. Then, when power is supplied from the external power supply to the power supply circuit 32 via the outlet 13, the power supply circuit 32 converts the AC voltage supplied from the external power supply into a DC voltage and supplies the power to each unit. When the DC voltage is supplied from the external power source, the power is supplied to each unit after being converted into a predetermined voltage value necessary for the system. Further, the power supplied from the power supply circuit 32 is supplied to each unit by switching ON / OFF of the power switch 14 described above.

The cradle section 3 is provided with the battery mounting section 12 to which the spare battery 11 mountable on the monitor section 2 is mounted, as described above. (In the drawing, the two spare batteries 11 mounted on the battery mounting portion 12 are distinguished as a spare battery I and a spare battery II, respectively.) Then, the cradle portion 3 is mounted on the battery mounting portion 12. Spare battery 1
Spare battery power detection unit 33 for detecting the power state of No. 1
And a charging control circuit 34 connected to the spare battery power detection unit 33 via the bus 22. Then, with respect to the spare battery 11 mounted on the battery mounting portion 12, the spare battery power detection unit 33 detects the power state (in this case, indicates the charging state),
Charging is performed while the charging control circuit 34 controls the charging based on the detection data supplied from the spare battery power detection unit 33.

On the other hand, in the monitor unit 2, as described above,
A battery storage section 36 for storing the battery 35 is provided, and the power of the battery 35 stored in the battery storage section 36 is ON / OF of the power switch 6 described above.
It is supplied to each part by switching F.

The monitor section 2 also has a battery power detection section 37 for detecting the power state of the battery 35 stored in the battery storage section 36. Then, the battery power detection unit 37 detects the power state of the battery 35 stored in the battery storage unit 36 (in this case, it indicates the remaining amount of power), and pushes the battery display button 7 described above, thereby It is possible to display the power state as an image on the LCD 4 via 30.

As described above, the monitor section 2 is mounted on the mounting section 8 of the cradle section 3 so that the connection terminals 9 and 10 of the monitor section 2 are electrically connected to each other, and the monitor section 2 is separated from the cradle section 3. Power can be supplied. Then, with respect to the battery 35 mounted in the battery storage portion 36,
While the battery power detection unit 37 detects the power state (in this case, the charging state), charging is performed by the charging control circuit 34 on the cradle unit 3 side based on the detection data supplied from the battery power detection unit 37. Charging is performed while being controlled.

As described above, in the wireless television 1, by placing the monitor unit 2 on the cradle unit 3,
The battery 35 stored in the battery storage unit 36 of the monitor unit 2 is charged, and the spare battery 11 that can be mounted on the monitor unit 2 is mounted on the battery mounting unit 12 of the cradle unit 3 so that the spare battery 11
A charging system is configured to charge the battery.

By the way, in this wireless television 1,
By using the wireless communication system described above, even when the monitor unit 2 is separated from the cradle unit 3 and used, the power state of the spare battery 11 can be easily confirmed by the image displayed on the LCD 4 of the monitor unit 2. It is possible.

Specifically, in this wireless television 1,
Data indicating the power state of the backup battery 11 detected by the backup battery power detection unit 33 is sent to the cradle transmission / reception unit 20 via the bus 22 under the control of the cradle control unit 17. Then, the data indicating the power state of the spare battery 11 is transmitted from the cradle transmitting / receiving unit 20 and received by the monitor transmitting / receiving unit 28. The data received by the monitor transmission / reception unit 28 is sent to the LCD 4 via the bus 30 under the control of the monitor control unit 26. Then, by pressing the battery display button 7 described above, the power state of the battery 35 stored in the battery storage unit 36 and the power state of the spare battery 11 mounted in the battery mounting unit 12 are shown in FIG. It will be displayed on the LCD 4 as an image showing such a remaining amount of power.

The battery 35 and the spare battery 11
The image showing the power state of is not limited to the one in which the remaining power levels of the batteries are displayed in parallel as shown in FIG. 4, but the remaining power levels of the batteries are aligned in a line as shown in FIG. 5, for example. In addition, the display form such as a display of the remaining amount of electric power in percent (%) and a display of the charging completion time is arbitrary.

When the monitor unit 2 is mounted on the mounting unit 8 of the cradle unit 3, the cradle control unit 17
The data indicating the power state of the spare battery 11 is sent to the external interface 21 via the bus 22 under the control of. The external interface 21 on the cradle unit 3 side is connected to the external interface 29 on the monitor unit 2 side via the connection terminals 15 and 16 described above.
Therefore, data indicating the power state of the spare battery 11 is sent from the cradle unit 3 side to the monitor unit 2 side via the external interfaces 21 and 29.

Here, the power state of the spare battery 11 is set to L
The operation of displaying on the CD 4 will be described with reference to the flowchart shown in FIG.

First, in step S1, the power state of the backup battery 11 is detected by the backup battery power detector 33.

Next, in step S2, the monitor controller 26 determines whether or not the battery display button 7 has been pressed. If the battery display button 7 is pressed, the process proceeds to step S3. On the other hand, if the battery display button 7 is not pressed, the process returns to step 1.

Next, in step S3, the monitor transmission / reception unit 28 accesses the cradle transmission / reception unit 20 under the control of the monitor control unit 26, and the monitor control unit 26 can communicate between the monitor unit 2 and the cradle unit 3. Determine whether or not. If communication is possible, step S
Go to 4. On the other hand, if communication is not possible, the monitor control unit 26 controls that the communication is not possible on the LCD.
After displaying in 4, proceed to the end.

Next, in step S4, data indicating the power state of the spare battery 11 is sent to the cradle transmitting / receiving unit 20 via the bus 22 under the control of the cradle controlling unit 17 under the control of the cradle controlling unit 17. Then, the data indicating the power state of the spare battery 11 is transmitted from the cradle transmitting / receiving unit 20 and received by the monitor transmitting / receiving unit 28. The data received by the monitor transmission / reception unit 28 is sent to the LCD 4 via the bus 30 under the control of the monitor control unit 26.

Next, in step S5, it is determined whether or not the power state of the spare battery 11 can be displayed on the LCD 4 under the control of the monitor controller 26. And LC
If the power state of the spare battery 11 can be displayed on D4, the process proceeds to step S6, the power state of the spare battery 11 is displayed on the LCD 4 under the control of the monitor controller 26, and then the process ends. On the other hand, the spare battery 1 on the LCD 4
If the power status of No. 1 cannot be displayed, the monitor control unit 2
After the fact that the display is impossible is displayed on the LCD 4 by the control of 6, the process proceeds to the end.

In the above description, after determining whether the battery display button 7 on the monitor unit 2 side has been pressed or not, the power state of the spare battery 11 is finally displayed on the LCD 4. However, the input is not limited to such an input from the battery display button 7, and the cradle control unit 1
The cradle control section 17 periodically accesses the spare battery power detection section 33 by a timer provided in 7, and automatically displays that fact on the LCD 4 when the spare battery 11 is fully charged, for example. You may do it.

Also in the monitor unit 2, the timer provided in the monitor control unit 26 causes the monitor control unit 26 to periodically access the battery power detection unit 37, and for example, the remaining power of the battery 35 becomes small. When that happens, the fact may be automatically displayed on the LCD 4.

Further, in the above description, as the notifying means for notifying the power states of the battery 35 and the spare battery 11, the spare battery 11 is displayed by the LCD 4 which is the display means.
Although the power state of the battery is displayed as an image, the present invention is not limited to such a configuration, and the battery 35 described above is used by the speaker 5 provided in the monitor unit 2, for example.
Also, the power state of the spare battery 11 may be announced as voice.

In this case, the data indicating the power states of the battery and the spare battery 11 described above is the monitor control unit 26.
Is sent to the speaker 5 via the bus 30 under the control of. Then, the battery stored in the battery storage unit 36 described above is input by the battery notification button instead of the battery display button 7 described above or by the timer to periodically access the battery power detection unit 37 and the spare battery power detection unit 33. Along with the power state of 35, the power state of the spare battery 11 mounted on the battery mounting portion 12 is emitted as sound from the speaker 5.

As described above, in this wireless television 1, even if the user who uses the monitor unit 2 is away from the cradle unit 3, the spare battery 1 on the cradle unit 3 side is provided.
It is possible to easily check the power state of No. 1 and it is possible to appropriately replace the fully charged battery 11 and the used battery 35 of the spare battery 11, so that the convenience is further improved. Is possible.

Further, in this wireless television 1, it is not necessary to provide display means such as an LED or LCD for displaying the power state of the spare battery 11 and notification means such as a speaker on the cradle portion 3 side, and the wireless television 1 and Cradle part 3
By using the existing wireless communication system that transmits and receives various data such as images, texts, and voices to and from the spare battery 1 with almost no additional circuits.
It is possible to wirelessly transmit data indicating the power state of No. 1 from the cradle unit 3 side to the monitor unit 2 side. Therefore, in this wireless television 1, it is possible to suppress an increase in the number of parts and further reduce the cost.

According to the present invention, the battery 35 and the spare battery 11 are added to the monitor section 2 and the cradle section 3 described above.
Is not limited to the configuration in which the battery power detection unit 37 and the standby battery power detection unit 33 for detecting the power state of the battery are provided, and a configuration in which the battery itself is provided with a microcomputer or the like for detecting the power state of the battery Good. In this case, the data indicating the power state of the battery is directly transferred from the battery to the charge control circuit 34 or the cradle control unit 1.
7 and the monitor control unit 26 and the like.

The present invention is not limited to the wireless television 1 described above, but includes a portable terminal device equipped with a battery,
The battery is charged by mounting the mobile terminal device on the mounting portion, and the spare battery that can be mounted on the mobile terminal device is mounted on the battery mounting portion so that the spare battery is charged. It is widely applicable to the charging system consisting of the gantry device and
In particular, if it is applied to a wireless communication system that transmits and receives data between the mobile terminal device and the gantry device, the mobile terminal device can be used with almost no additional circuit using this wireless communication system. Even if the user who is using the system is away from the gantry device, it is possible to easily confirm the power state of the spare battery on the gantry device side.

[0053]

As described in detail above, according to the present invention, the transmission means on the gantry device side transmits the data indicating the power state of the spare battery to be charged in the battery mounting portion, while the portable terminal. Since the receiving means on the device side receives the data transmitted from the transmitting means and the notifying means notifies the power state of the spare battery according to the data, the user using the mobile terminal device is away from the gantry device. Also,
It is possible to easily check the power state of the spare battery on the gantry device side, and thus it is possible to further improve convenience. Further, according to the present invention,
Since the notification means for displaying the power state of the spare battery is not required on the gantry device side, the cost can be further reduced.

[Brief description of drawings]

FIG. 1 is a perspective view showing a state in which a monitor section is placed on a cradle section in the wireless television to which the present invention is applied.

FIG. 2 is a perspective view showing a state in which a monitor unit is separated from a cradle unit in the wireless television.

FIG. 3 is a block diagram showing a circuit configuration of the wireless television.

FIG. 4 is an enlarged view of a main part showing an example of a power state of a battery and a spare battery which are image-displayed in a box A in FIG.

5 is an enlarged view of a main part showing another example of the power states of the battery and the spare battery which are image-displayed in a box A in FIG.

FIG. 6 is a flowchart for explaining an operation of displaying the power state of the spare battery on the LCD.

[Explanation of symbols]

1 wireless TV, 2 monitor section, 3 cradle section, 4 LCD, 5 speaker, 7 battery display button, 11 spare battery, 12 battery mounting section, 17
Cradle controller, 20 Cradle transmitter / receiver, 26
Monitor control unit, 28 Monitor transmission / reception unit, 33 Spare battery power detection unit, 34 Charging control circuit, 35 Battery, 36 Battery storage unit, 37 Battery power detection unit
0

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) H04M 1/21 H04B 7/26 Y H04Q 7/38 109T (72) Inventor Hiroshi Amano Kitashinagawa, Shinagawa-ku, Tokyo 6-chome 7-35 F-term in Sony Corporation (reference) 5K023 HH05 KK04 LL04 MM00 MM26 5K027 AA11 FF21 GG04 HH26 5K067 AA34 BB04 FF19 FF23 KK06

Claims (7)

[Claims] 1. A portable terminal device equipped with a battery,
The battery is charged by mounting the portable terminal device on the mounting portion, and the spare battery that can be mounted on the portable terminal device is mounted on the battery mounting portion, so that In a charging system including a gantry device that is charged against the mobile device, the gantry device includes a transmission unit that transmits data indicating a power state of the spare battery that is charged by the battery mounting unit, and the mobile terminal. The device includes a receiving unit that receives the data transmitted from the transmitting unit, and a notification unit that notifies the power state of the spare battery according to the data received by the receiving unit. 2. The notification means displays, as an image, a power state of the battery mounted on the portable terminal device and a power state of the spare battery charged in the battery mounting portion. The charging system according to claim 1. 3. The notification means notifies, as voice, the power status of the battery mounted on the portable terminal device and the power status of the spare battery charged in the battery mounting portion. The charging system according to claim 1. 4. A portable terminal device in which a battery is mounted, and the battery is charged by being mounted on a mounting portion of the gantry device, wherein the gantry device can be mounted on the portable terminal device. A battery mounting unit that charges the spare battery by mounting the spare battery, and a transmission unit that transmits data indicating the power state of the spare battery charged by the battery mounting unit. Correspondingly, it is provided with a receiving means for receiving the data transmitted from the transmitting means, and a notifying means for notifying the power state of the spare battery according to the data received by the receiving means. A mobile terminal device. 5. The notification means displays, as an image, a power state of the battery mounted on the mobile terminal device and a power state of the spare battery charged in the battery mounting portion. The mobile terminal device according to claim 4. 6. The notifying means notifies as a voice the power state of the battery mounted on the portable terminal device and the power state of the spare battery charged in the battery mounting portion. The mobile terminal device according to claim 4. 7. A portable terminal device having a battery mounted thereon is mounted on a mounting portion to charge the battery, and a spare battery mountable on the portable terminal device is mounted on the battery mounting portion. In the gantry device in which the backup battery is charged by being performed, the mobile terminal device includes a receiving unit that receives data indicating a power state of the backup battery that is charged in the battery mounting unit, Notification means for notifying the power state of the spare battery according to the data received by the receiving means is provided, and correspondingly, data indicating the power state of the spare battery is sent to the receiving means. A gantry device comprising a transmitting means for transmitting.