JP2002237763A - Portable radio equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide portable radio equipment which is made stable when it is held in hand. SOLUTION: In this portable radio equipment 1 constituted of an upper case body 1a and a lower case body 1b, the upper case body 1a is provided with a display part 3 for displaying various pieces of information and a receiver 2 for receiving the voice of the communicating party, and the lower case body 1b is provided with a battery 8 for driving the portable radio equipment 1, a transmitter 4 for transmitting a voice to the communicating party, and a key operating part 7 having key buttons.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable radio,
In particular, it relates to a foldable portable wireless device.

[0002]

2. Description of the Related Art A portable radio has a problem that the receiver and the transmitter must correspond to the ears and the mouth, so that the size becomes large as a whole and the portability is poor.

[0003] In order to solve the above problems, a foldable portable wireless device is generally known.

FIGS. 5A and 5B are a side view and a front view showing an example of a conventional foldable portable radio.
In the figure, the portable wireless device comprises an upper housing 11 and a lower housing 14. The upper housing 11 is provided with a receiver 12 for receiving voice of a communication destination and a display unit 13 for displaying time and various information. Have been. The lower housing 14 is provided with a key operation unit 16 composed of various key buttons and a transmitter 15 for transmitting voice to a communication destination. The upper housing 11 and the lower housing can be freely opened and closed. They are connected by a hinge 17 which is a connecting part. Further, a radio circuit board 18 including a transmission unit and a reception unit is disposed in the upper housing 11, and the transmission unit includes a power amplifier for transmitting a transmission signal to a partner radio device, and a large heat generation amount. Circuit parts 19
Has been implemented as The lower housing 14 is provided with a control circuit board 21 on which a CPU having a control function is mounted, a battery for driving the portable wireless device, and a battery box 20. Also, the wireless circuit board 18, the display unit 13, and the receiver 12 provided on the upper housing 11 and the lower housing 1
4 is electrically connected to the control circuit board 21 provided by the flexible board 21. The control circuit board 21 of the lower housing 14 and the key operation unit 16 are connected by a connector (not shown), and the control circuit board 21 and the receiver 12 are electrically connected by a cable (not shown). I have.

[0005] By adopting such a structure, the portable wireless device can be folded, and the upper case 11 is opened to the lower case 14 via the hinge portion 17 in the upward direction of the arrow in FIG. On the other hand, when you are not on a call,
The portability can be improved by closing the upper housing 11 with respect to the lower housing 14 and carrying it in the downward direction of the arrow in FIG.

A foldable portable wireless device of this type is disclosed, for example, in Japanese Patent Laid-Open Publication No.
A configuration described in Japanese Patent No. 29755 (Document 1) is known. The portable wireless device described in this publication is foldable by dividing the communication unit into two blocks.

[0007]

However, the above-mentioned conventional portable radio device has a radio circuit board, a display unit, and a receiver in an upper housing, and a control circuit board, a battery, a key operation unit, and a control device in a lower housing. Since the transmitter is provided, when a user talks, the weight is distributed almost equally so that the user can hold both the upper housing and the lower housing. Therefore,
When operating the keys, when the user holds the upper housing, it is necessary to change to the lower housing having the key operation section, which is problematic.

[0008]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a portable radio having a sense of stability when held in a hand.

In order to achieve the above object, a portable wireless device according to the present invention is a portable wireless device comprising an upper housing and a lower housing, wherein the upper housing is provided with a display for displaying various information, A receiver for receiving the voice of the other party, wherein the lower housing includes a battery for driving the portable wireless device, a transmitter for transmitting voice to the other party, and a key operation unit having a key button It is characterized by. The lower housing includes a control circuit board. Also, an upper housing having a display unit for displaying various information, a receiver for receiving the voice of the other party, a battery for driving the mobile phone, a transmitter for transmitting the voice to the other party, and a key button. And a lower housing having a key operation unit. Also, an upper housing having a receiver for receiving the voice of the other party, a battery for driving the mobile phone, a transmitter for transmitting the voice to the other party, and a lower housing having a key operation unit having key buttons. In the portable wireless device, a display unit for displaying various information is disposed in the upper housing. The lower housing further includes a wireless circuit board on which wireless circuit components are mounted. The upper housing and the lower housing are openably and closably connected. The upper housing and the lower housing are connected to each other by a hinge so as to be freely opened and closed. The upper housing is housed in the lower housing. The upper housing is slidably housed in the lower housing.

[0010] By adopting the above configuration, the housing having the handset is not provided with a power amplifier or the like, which is a radio circuit component generating a large amount of heat. And you will not feel discomfort.

[0011] Further, by providing a battery, a key operation unit, and a transmitter in the lower housing, the weight of the lower housing becomes larger than the weight of the upper housing. Even so, it has a heavy lower housing, and it is not necessary to change the housing when operating keys.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present invention will be described in detail with reference to the drawings.

FIG. 1 is a side view and a front view of a portable wireless device showing an embodiment of the present invention. In the figure, a portable wireless device 1 is a foldable portable telephone including an upper housing 1a and a lower housing 1b. The upper housing 1a is provided with a receiver 2 for receiving a voice of a communication destination and a display unit 3 for displaying time and various information. The lower housing 1b is provided with a key operation unit 7 including various key buttons and a transmitter 4 for transmitting voice to a communication destination. The upper and lower housings 1a and 1b are connected to each other by a hinge 1c so as to be freely opened and closed. Further, a wireless circuit board 5 including a transmission unit and a reception unit, a CP having a control function
A control circuit board 10 on which U and the like are mounted, a battery for driving the portable wireless device, and a battery box 8 are provided. In the transmitting section on the wireless circuit board 5, a power amplifier or the like for transmitting a transmission signal to a partner wireless device is mounted as a wireless circuit component 6 having a large heat value. Further, the receiver 2 and the display unit 3 provided in the upper housing 1a, and the control circuit board 10 and the key operation unit 7 provided in the lower housing are electrically connected by a flexible board 21. You. The control circuit board 1 provided on the lower housing 1b
The wireless circuit board 5 and the transmitter 4 are electrically connected by a cable (not shown) with a connector (not shown).

By adopting such a configuration, portability is improved by opening and closing the conventional upper and lower housings ((1) in the figure).
In addition, the power amplifier, which is a wireless circuit component 6 that generates a large amount of heat, is provided in the lower housing 1b having no handset 2 in addition to the power amplifier which is open in the direction of the arrow from (2) to (2). The problem that the heat generated by the amplifier is transmitted to the ear of the caller through the receiver 2 can be solved.

FIG. 2 is a front view and a side view of a portable wireless device showing an application example of the first embodiment of the present invention. Compared to the portable wireless device shown in FIG. 1, in FIG. 2, the upper housing 1a can be slidably housed in the substantially curved housing portion 1d of the lower housing 1b. Also, the portable wireless device shown in FIG.
Similar to the portable wireless device shown in FIG. 1, the wireless circuit component 6 having a large heat value, which is composed of a power amplifier, is arranged in the lower housing 1b.

In the configuration shown in FIG. 2, the upper housing 1a
Is slid in the direction of the arrow in the direction from (1) to (2) in FIG.

Further, as a second embodiment of the present invention, the display unit 3 of the portable radio shown in FIGS.
FIGS. 3 and 4 show the wireless device provided in b.

In this embodiment, the receiver 2 of the upper housing is
The control circuit board 10 of the lower housing can be electrically connected by the cable 22. The control circuit board 10 of the lower housing 1b and the display unit 3 are flexible boards (not shown), and the control circuit board 10, the wireless circuit board 5,
The control circuit board 10 and the key operation unit 7 are electrically connected by a connector (not shown), and the wireless circuit board 10 and the transmitter 4 are electrically connected by a cable 22.

Therefore, since the key operation unit 7, the transmitter 4, the radio circuit board 5, the control circuit board 10, the display unit 3, the battery, and the battery box 8 are disposed in the lower housing 1b, gravity is provided at the lower part. Is concentrated. For this reason, it is possible to maintain a stable feeling from the weight balance when held by hand,
Since the portable wireless device is always held by holding the lower housing, it is not necessary to switch the upper and lower housings when operating the keys, and the trouble is solved.

[0020]

As described above, in the portable wireless device according to the present invention, since the battery, the key operation unit, and the transmitter are arranged in the lower housing, the portable wireless device is stable from the weight balance when held by hand. Since the portable wireless device can be held by always holding the lower housing, there is no need to change the upper and lower housings during key operation, and troublesomeness is eliminated.

[Brief description of the drawings]

FIG. 1 is a side view of a portable wireless device according to an embodiment of the present invention;
And a front view.

FIGS. 2A and 2B are a side view and a front view of a portable wireless device showing an application example of the first embodiment of the present invention. FIGS.

FIG. 3 is a side view and a front view of a portable wireless device according to a second embodiment of the present invention.

FIG. 4 is a side view and a front view of a portable wireless device showing an application example of the second embodiment of the present invention.

FIG. 5 is a side view and a front view showing an example of a conventional portable wireless device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Portable radio | wireless machine 1a Upper housing | casing 1b Lower housing | casing 1c Hinge part 1d receiving part 2 Receiver 3 Display part 4 Transmitter 5 Wireless circuit board 6 Radio | wireless circuit parts with large heat generation 7 Key operation part 8 Battery 11 Upper housing | casing 10 Control circuit board 12 Receiver 13 Display unit 14 Lower housing 15 Transmitter 16 Key operation unit 17 Hinge unit 18 Wireless circuit board 19 Wireless circuit component with large heat generation 20 Battery box 21 Flexible board 22 Cable

Claims (9)

[Claims] 1. A portable wireless device comprising an upper housing and a lower housing, wherein the upper housing has a display unit for displaying various information, and a receiver for receiving a voice of the other party, A portable wireless device comprising: a battery for driving the portable wireless device; a transmitter for transmitting voice to a communication partner; and a key operation unit having key buttons. 2. The portable wireless device according to claim 1, wherein the lower housing includes a control circuit board. 3. An upper housing having a display for displaying various information, a receiver for receiving the voice of the other party, a battery for driving the mobile phone, a transmitter for transmitting the voice to the other party, and a key. A portable wireless device, comprising: a lower housing having a key operation unit having buttons. 4. A lower housing having an upper housing having a receiver for receiving the voice of the other party, a battery for driving the mobile phone, a transmitter for transmitting the voice to the other party, and a key operation section having a key button. A portable wireless device comprising a housing, wherein a display unit for displaying various information is arranged in the upper housing. 5. The portable wireless device according to claim 1, wherein the lower housing further includes a wireless circuit board on which a wireless circuit component is mounted. 6. The portable wireless device according to claim 1, wherein the upper housing and the lower housing are openably and closably coupled. 7. The portable wireless device according to claim 1, wherein the upper housing and the lower housing are openably and closably connected by a hinge portion. 8. The portable wireless device according to claim 1, wherein said upper housing is housed in said lower housing. 9. The portable wireless device according to claim 1, wherein said upper housing is slidably housed in said lower housing.