JPH09186623A - Mobile phone equipment - Google Patents

Abstract

(57) 【Abstract】 PROBLEM TO BE SOLVED: To obtain sufficient electromotive force in a solar cell, make it less likely to be damaged, and improve the degree of freedom in design when designing an exterior body. SOLUTION: The solar cell 15 is used as a main body case 11 when being carried.
It is pushed along the inside of the back side member of the and stored. The positive columnar electrode of the solar cell 15 elastically presses and electrically connects the inverted L-shaped rail, moves, and fits into the recess to be fixedly held. At the time of use, the solar cell 15 is pulled out and fitted into the recess 11a in the upper portion of the main body case 11 to be arranged. The positive columnar electrode of the solar cell elastically presses and electrically connects the inverted L-shaped rail and moves upward. Then, the user installs the solar cell in the main body case 11
Then, the main body case 11 is moved to the front surface of the main body case 11 and fixed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable telephone device which is used in a cellular mobile radio telephone, a cordless telephone, a radio data terminal or the like and which has a rechargeable battery and a solar battery.

[0002]

2. Description of the Related Art Conventionally, in such a portable telephone device, there is known an example in which a solar cell is provided so as to cope with a longer use. For example, Japanese Utility Model Laid-Open No. 4-110040 “Solar Cell Mounted Mobile Phone” is known.

FIG. 8 is a perspective view showing the structure of a conventional portable telephone device equipped with such a solar cell. In FIG. 8, this example shows an antenna 2 that can be stored in the main body case 1.
Further, a speaker 3 for making a call and a liquid crystal display (LCD) 4 for displaying various processing information and an input telephone number are provided on the front surface of the main body case 1, a numeric keypad for inputting a telephone number, a function selection key, A keypad 5 having a power on / off key and the like is provided. further,
This mobile phone device is provided with a detachable rechargeable battery 6 on its back surface, and has a solar cell 7a on the upper side surface of the body case 1.
Is arranged. Further, a solar cell 7b is arranged on the surface of the rechargeable battery 6. This mobile phone device has a rechargeable battery 6
With the power of 1, the call is made by making and receiving the call, and the electromotive force of the solar cells 7a and 7b is used for standby reception or the rechargeable battery 6 is charged. As a result, it is possible to wait for a longer time and make a call for a long time by making a call or receiving a call.

[0004]

However, in the above-mentioned conventional portable telephone device, the solar cells 7a and 7b are the main body case 1.
Is arranged on the back surface of the battery or on the surface of the rechargeable battery 6. In other words, since the solar cells 7a and 7b are provided on the surface of the main body case 1, the solar cells 7a and 7b are easily damaged when being carried, and the design of the exterior body is restricted, and the clothing of the user is not easily worn when carrying. When stored in a pocket or the like, there is a drawback in that it is difficult to obtain sufficient electromotive force because the light received by the solar cell is limited.

The present invention solves the problems in the prior art as described above. In addition, a sufficient electromotive force can be obtained in the solar cell, the solar cell is less likely to be damaged, and the design of the exterior body is free. (EN) Provided is an excellent mobile phone device capable of improving wireless communication and performing efficient wireless transmission / reception.

[0006]

In order to achieve the above-mentioned object, the present invention stores a solar cell in an outer package when it is carried, and arranges the solar cell so as to be exposed to the outer package during use. The battery has an antenna. As a result, a sufficient electromotive force in the solar cell is obtained, the solar cell is less likely to be damaged, the degree of freedom in designing the exterior body is improved, and efficient wireless transmission / reception can be performed.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION A portable telephone device of the present invention comprises a wireless transmitting / receiving means for processing outgoing and incoming calls in a wireless telephone and making a call, and a solar cell for obtaining an electromotive force for operating the wireless transmitting / receiving means. And a second mechanism for moving and storing the solar cell in the outer package, and a second mechanism for arranging the solar cell so as to be exposed to the outer package. By pulling out and arranging it on the upper part of the body, sufficient electromotive force by light reception can be obtained, and since the solar cell is moved and stored in the exterior body when being carried, the damage does not occur.

Further, according to the present invention, the solar cell is provided with an antenna for wireless transmission / reception means to perform transmission / reception. For example, the antenna can be adapted to horizontal and vertical polarized waves together with the antenna provided in the wireless transmission / reception means. , Efficient wireless transmission / reception is performed.

Next, an embodiment of the portable telephone device of the present invention will be described in detail with reference to the drawings. 1 is a perspective view showing a schematic configuration of an embodiment of a mobile phone device of the present invention.
FIG. 3 is a perspective view showing a schematic configuration in which a solar cell is arranged in a used state.

Each of the examples shows the structure of the back surface of the portable telephone shown in FIG. On the front surface of the main body case 11, there are provided a speaker, a microphone, a keypad and the like for making a call, which are not shown, as shown in FIG. 1 and 2,
The main body case 11 is provided with an antenna 12 that can be stored and a rechargeable battery 13 that is removable. Furthermore, when the mobile phone is not used, as shown in FIG.
The solar cell 15 is housed along the inside of the back side member, is pulled out when the mobile phone is used, and is fitted into the recess 11a in the upper portion of the main body case 11 as shown in FIG.

FIG. 3 is a perspective view showing an example in which the solar cell 15 is provided with an antenna. In FIG. 3, in this example, in addition to the configuration shown in FIGS. 1 and 2, an antenna 20 interlocking with the antenna 12 is provided on the surface of the solar cell 15 or the like.

FIG. 4 is a perspective view showing the essential parts of the electrical connection and fixing mechanism for the solar cell 15 and the antenna 20. FIG.
In the solar cell 15 and the electrical connection and fixing mechanism, the plus columnar electrode 15a is provided at the lower right end of the solar cell 15 in the figure. A negative columnar electrode (not shown) is also provided at the opposite lower left end. Hereinafter, only the plus columnar electrode 15a will be described. Further, when the solar cell 15 is placed in a housed state or in a used state, an inverted L-shaped rail 25 that the plus columnar electrode 15a elastically presses and electrically connects to move the main case 11 is provided.
It is fixed to. At both ends of the inverted L-shaped rail 25, when the solar cell 15 is placed in a housed or used state,
In order to hold the position of the solar cell 15, a concave portion 25a that protrudes inward so that the plus columnar electrode 15a is fitted,
25b are formed.

FIG. 5 is a perspective view showing an electrically connected state of the antenna 20. In FIG. 4 and FIG. 5, the antenna 20
Is provided with a power feeding portion 20a at a position serving as a power feeding point, and further with a connecting portion 27 that elastically contacts the power feeding portion 20a when the solar cell 15 is placed in use.

FIG. 6 is a diagram showing the configuration of a shared system for the antennas 12 and 20. In FIG. 6, a matching circuit 28 for sharing the antennas 12 and 20 at the same time is provided, and the antenna 12 and the connecting portion 27 are connected to the matching circuit 28. The power feeding portion 20a of the antenna 20 provided in the solar cell 15 is connected to the connecting portion 27 by contact as shown in FIGS. 4 and 5.

FIG. 7 is a block diagram showing the configuration of the charging system. 7, in this example, a charging control circuit 31 that charges the rechargeable battery 13 with the electromotive force of the solar cell 15 or supplies the electromotive force to the charging battery 13 for operation at the time of standby reception and also performs charging control with respect to the charging voltage from the external charging device. have. Furthermore, a charging terminal 32 to which a charging voltage is supplied from the voltage output terminal of the external charging device is provided.

Next, the function and operation of this embodiment will be described. When the mobile phone device is carried,
As shown in, the solar cell 15 is pushed along the inside of the back side member of the main body case 11 to be stored. In this case, FIG.
As shown in, the plus columnar electrode 15a of the solar cell 15 moves by elastically pressing and electrically connecting the inverted L-shaped rail 25, fits into the recess 25b, and is fixedly held. The same applies to the minus columnar electrode. At this time, the feeding portion 20a of the antenna 20 is separated from the connecting portion 27 as shown in FIG. Next, when using this mobile phone device, as shown in FIG. 2, the solar cell 15 is pulled out and fitted into the recess 11a in the upper portion of the main body case 11 to be used. In this case, as shown in FIG. 4, the plus columnar electrode 15a of the solar cell 15 elastically presses and electrically connects the inverted L-shaped rail 25 and moves upward.
Then, the user tilts the solar cell 15 into the recess 11 a in the upper part of the main body case 11 and further moves it toward the front surface of the main body case 11. As a result, the plus columnar electrode 15a of the solar cell 15 is fitted into the recess 25a, fixed and held. At this time, the feeding portion 20a of the antenna 20 is connected to the connecting portion 27 as shown in FIG.

Next, the electrical operation will be described. The antennas 12 and 20 are shared as vertically and horizontally polarized waves.
The matching circuit 28 shown in FIG.
The connection is established by connecting to a transmission / reception system not shown in the figure. These two antennas 12 and 20 correspond to vertical and horizontal polarized waves, and efficient transmission / reception becomes possible. Next, a voltage is applied from the rechargeable battery 13 to each unit (not shown) of the mobile phone device to operate. The charge control circuit 31 also monitors the capacity of the rechargeable battery 13. When the charging terminal 32 is connected to an external charging device (not shown) when the mobile phone device in the state shown in FIG. 1 is not carried, the charging control circuit 31 causes the charging battery 13
If necessary, charge the battery. When being carried, the solar cell 15 is arranged in the recess 11a in the upper part of the main body case 11, receives the light sufficiently, and the electromotive force thereof is the charge control circuit 3
1 is supplied. The charging control circuit 31 performs control for charging the rechargeable battery 13 with the electromotive force of the solar cell 15 when the rechargeable battery 13 needs to be charged. The charging control circuit 31 receives a control signal indicating that the charging battery 13 does not need to be charged, that is, the remaining capacity of the charging battery 13 is sufficient, and that the control system (not shown) indicates that the battery is in the standby state. In this case, the electromotive force of the solar cell 15 is changed to the charging control circuit 3
1 is supplied to each part of this mobile phone device, and the stand-by reception operation is performed by this electromotive force. As described above, in this embodiment, the solar cell 15 has the concave portion 1 at the upper portion of the main body case 11.
Since it is located at 1a, it is possible to receive sufficient light,
A sufficient electromotive force is obtained, and the solar cell 15 is less likely to be damaged. Further, as described above with reference to FIG. 8, the degree of freedom in designing the main body case 11 is improved as compared with the case where the solar cell 15 is arranged on the side surface or the like.

In this embodiment, the antenna 20 is used as a horizontally polarized wave. That is, although the solar cell 15 is configured to operate when it is placed in the recess 11a in the upper portion of the main body case 11 as shown in FIG. 2, it operates in the storage place of the solar cell 15 shown in FIG. You can In addition, the power feeding unit 20 a and the connecting unit 27 of the antenna 20.
Alternatively, a flexible cable or the like may be directly connected between the two without providing.

[0019]

As described above, according to the present invention, the solar cell is housed in the exterior body when being carried, and the solar cell is arranged so as to be exposed to the exterior body when used, and the solar cell is provided with an antenna. Since it is provided, a sufficient electromotive force in the solar cell is obtained, the solar cell is less likely to be damaged, the degree of freedom in designing the exterior body is improved, and efficient wireless transmission / reception can be performed.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a configuration of an embodiment of a mobile phone device of the present invention.

FIG. 2 is a perspective view showing a configuration in which a solar cell is arranged in a used state in the same embodiment.

FIG. 3 is a perspective view showing an example in which the solar cell is provided with an antenna in the same embodiment.

FIG. 4 is a perspective view showing a main part of an electrical connection and fixing mechanism of a solar cell and an antenna in the same embodiment.

FIG. 5 is a perspective view showing an electrical connection state of the antenna in the same embodiment.

FIG. 6 is a block diagram showing a configuration of a shared antenna system in the same embodiment.

FIG. 7 is a block diagram showing a configuration of a charging system in the same embodiment.

FIG. 8 is a perspective view showing a configuration of a conventional mobile phone device equipped with a solar cell.

[Explanation of symbols]

 11 Body Case 12, 20 Antenna 13 Rechargeable Battery 11a, 25a, 25b Recess 15 Solar Cell 15a Plus Cylindrical Electrode 25 Rail 20a Power Supply Section 27 Connection Section 28 Matching Circuit 31 Charging Control Circuit 32 Charging Terminal

Claims (2)

[Claims] 1. A wireless transmission / reception means for processing outgoing / incoming calls in a wireless telephone to make a call, a solar cell for obtaining an electromotive force used for the operation of the wireless transmission / reception means, and the solar cell in an exterior body. A mobile phone device comprising: a first mechanism for moving and storing the solar cell; and a second mechanism for arranging the solar cell so as to be exposed to the exterior body. 2. The solar cell is provided with an antenna for wireless transmission / reception means to perform transmission / reception.
The described mobile phone device.