JP2004048781A - Radio communication equipment - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To display a much more quantity of character information while opening a mobile phone set and to enable a user to read received long character information without trouble. <P>SOLUTION: While a first casing 22 and a second casing 23 are folded, a switch 28 is turned on by a projection 36 provided on the second casing 23, a selector circuit 27 outputs a control signal for driving only a second display 31 to a TAB 26, and the TAB 26 outputs a driving signal only to the second display 31 to display information. While the first casing 22 and the second casing 23 are opened, on the other hand, the switch 28 is turned off, the selector circuit 27 outputs a control signal for driving both a first display 30 and the second display 31 to the TAB 26, and the TAB 26 outputs the driving signal to both the first display 30 and the second display 31 to display the information. <P>COPYRIGHT: (C)2004,JPO

Description

The present invention relates to a wireless communication device, and more particularly to a wireless communication device having a display and having a folding structure including a first housing and a second housing.

Conventionally, this type of wireless communication device has only one display device. Usually, this indicator is provided at a position that cannot be seen from the outside when the folding structure is closed. For this reason, when waiting for an incoming call with the folded structure closed, there is a problem that the user cannot confirm the display contents such as the electric field strength display, the battery voltage display, and the incoming call display displayed on the display.

To solve this problem, Japanese Unexamined Patent Publication No. Hei 6-37697 discloses that, as shown in FIG. 9, the first display 8 is provided at a position where the mobile phone 1 is not visible from the outside when the mobile phone 1 is folded. A wireless communication device in which a second display 11 is provided on a surface having an antenna 3 so that the mobile phone 1 can be viewed even when the mobile phone 1 is carried in a breast pocket is disclosed.

In this mobile phone 1, whether the mobile phone 1 is folded or not is determined by turning on and off the reed switch 12 by the magnet 13, and when the mobile phone 1 is open, the selection circuit 10 supplies power to the first display 8 only. When the mobile phone 1 is folded, the selection circuit 10 supplies power only to the second display 11. According to such a mobile phone, when the mobile phone 1 is folded, power is supplied only to the second display 11 provided on the surface having the antenna 3, so that the mobile phone 1 is folded. Also, the user can check important information such as electric field intensity display, battery voltage display and incoming call display from the second display 11.

JP-A-6-37697

However, in the mobile phone described in Japanese Patent Application Laid-Open No. 6-37697, when the mobile phone 1 is open, power is supplied only to the first display 8 as in the related art. Since characters can be displayed only on the first display 8, there is a problem that the amount of character information that can be displayed is small.

In view of the above problems, an object of the present invention is to provide a wireless communication device capable of displaying a larger amount of character information when the wireless communication device is opened.

Another object of the present invention is to provide a wireless communication device capable of reading a larger amount of character information while minimizing the user's labor as much as possible, as will become clear later.

In order to achieve the above object, a wireless communication device of the present invention has a wireless unit that receives a wireless signal, a first housing and a second housing that can be folded together, and a first housing And a first display and a second display (or a first display, a second display, and a third display) are provided in any of the first and second housings. The second display (or the second display and the third display) is driven when the second housing and the second housing are folded, and the first housing and the second housing are driven. When the body is open, the first display and the second display (or the first display, the second display, and the third display) are driven.

The first housing is provided with a switch, the second housing is provided with a projection for turning the switch on and off, and when the switch is turned on by the projection, the first housing and the second housing are folded. It is preferable to determine that the first housing and the second housing are open when the switch is turned off by the projection.

In addition, the second display (or the second display and the third display) is provided at a position that can be seen from the outside when the first housing and the second housing are folded. I have. The first display is provided on a front surface of one of the first housing and the second housing, and the second display (or the second display and the third display) is provided on both sides with respect to the front. It is preferable to be provided on at least one side. In this case, the first display is preferably provided at a position where the second display (or the second display and the third display) can be viewed at the same time, and the front and side housings are provided. Preferably, the angle inside is obtuse. In addition, a TAB for supplying power to the first display and the second display (or the first display, the second display, and the third display) is provided, and the TAB is controlled by turning on / off a switch. Preferably.

Further, the second display (or the second display and the third display) emits light when the switch is turned on by the projection, and the first display and the second display when the switch is turned off by the projection. Preferably, two indicators (or a first indicator, a second indicator and a third indicator) emit light. In this case, it is preferable that the first display and the second display (or the first display, the second display, and the third display) emit light by EL. Note that information displayed on the second display (or the second display and the third display) differs depending on whether the switch is turned on or off. Preferably, the wireless communication device is a mobile phone.

According to the wireless communication device of the present invention, when the wireless communication device is open, the first display and the second display can be displayed, and the second display serves as a sub-screen of the first display. Since it can be used, a larger amount of character information can be displayed at one time.

Further, according to the wireless communication device of the present invention, the second display can be displayed when the wireless communication device is folded, so that even if the wireless communication device is folded, an incoming call is received by the second display. Can be checked and the remaining battery level can be checked.

Further, according to the wireless communication device of the present invention, when the wireless communication device is in the open state, the user can only see the first display 30 and simultaneously see the second display. Can be read as much as possible with a minimum amount of trouble.

Hereinafter, an embodiment of a wireless communication device according to the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram showing a circuit configuration of a wireless communication device, preferably a mobile phone, according to the present embodiment.

In FIG. 1, the radio unit 25 receives a radio signal from a base station (not shown) via the antenna 24. The received signal received by the radio unit 25 is output to the control unit 53. When receiving the received signal from the wireless unit 25, the control unit 53 notifies the user of the incoming call using a speaker, a vibrator, or the like (not shown). The notification of the incoming call is terminated by the operation of the key operation unit 35 by the user or automatically after a lapse of a predetermined time.

The incoming call control unit 53 outputs a control signal for outputting power and character data to one or both of the TAB 26 and the TAB 42 in response to the ON signal or the OFF signal from the switch 28. The TAB 26 drives the first display 30 in response to the control signal, and the TAB 42 drives the second display 31 in response to the control signal.

FIG. 2 is a circuit layout diagram for explaining the circuit configuration of the mobile phone 21 shown in FIG. 1 in more detail.

In FIG. 2, the mobile phone 21 has a folding structure in which a first housing 22 having a receiver 29 and a second housing 23 having a transmitter 37 can be folded together at a hinge portion 32. .

(4) The receiver 29 externally outputs the voice of the other party during a call, and the transmitter 37 inputs the voice uttered by the user. Although not shown, the receiver 29 and the transmitter 37 are electrically connected to the control unit 34.

The switch 28 is turned on and off by a protrusion 36 provided on the second housing 23, and outputs an on signal or an off signal to the selection circuit 27 in the control unit 53. The control unit 53 outputs a control signal for outputting power and character data in response to an ON signal from the switch 28 by a TA (not shown).
Output to B (tape automated bonding) 42. Further, control unit 53 outputs a control signal for outputting power and character data to TABs 26 and 42 in response to an OFF signal from switch 28.

(4) The battery 33 supplies power to the entire mobile phone 21. The protrusion 36 turns on and off the switch 28 provided in the first housing 22. The key operation unit 35 is a key such as a numeric keypad or a function key pressed by a user.

The antenna 24, the radio unit 25, the TAB 26, the switch 28, the receiver 29, the first display 30, and the second display 31 are preferably arranged in the first housing 22, and the selection circuit 27 , The battery 33, the key operation unit 35, the projection 36, the transmitter 37, and the control unit 34 are preferably arranged in the second housing.

FIG. 3 is a perspective view of the mobile phone 21 according to the present embodiment.

In FIG. 3, the first display 30 is attached to the front of the handset 29 and the switch 28 with the first housing 22 and the second housing 23 open from each other. On the other hand, the second display 31 is attached to at least one of the two sides of the first display 30, and is preferably attached to both sides. That is, the second display 31 is attached to at least one side of the front side of the first housing 22 to which the first display 30 is attached, and is preferably attached to both sides.

Hereinafter, in the present invention, the second display 31 provided on one side of the both sides and the second display 31 provided on both sides will be unified as the "second display 31". Instead of this, one of the pair of second indicators 31 provided on both side surfaces may be referred to as a "second indicator" and the other may be referred to as a "third indicator" in the technical idea of the present invention. included.

Therefore, when the first housing 22 and the second housing 23 are folded together with the hinge 32 as a center, the first display 30 is not visible, and only the second display 31 is visible.

The switch 28 is provided at a position substantially coincident with the convex portion 36 provided on the second housing 23 when the first housing 22 and the second housing 23 are folded. When is folded, the switch 28 is turned on by the convex portion 36, and when the mobile phone 21 is opened, the switch 28 is turned off.

Returning to FIG. 2, when the switch 28 is turned on, an on signal is output from the switch 28 to the selection circuit 27 in the control unit 34. When the control unit 34 receives the ON signal from the switch 28, a control signal for driving the second display 31 is output to the TAB 42, so that only the second display 31 is displayed.

FIG. 4 is a sectional view taken along line AA in FIG.

In FIG. 4, the first display 30 is connected to the TAB 26 by the heat seal 41, and the second display 31 is connected to the TAB 42 by the heat seal 41.

In the first housing, the angle between the surface having the first display 30 and the surface having the second display 30 in the housing is obtuse. In this way, the user can only see the first display 30 and simultaneously see the second display 31.

When the mobile phone is opened, the first display unit 30 displays the other party's telephone number as shown in FIG. 5A at the time of an incoming call or a call, and as shown in FIG. The basic contents used for the ordinary mobile phone 21 are displayed, such as displaying the date, the day of the week, the current time, and the like.

When the mobile phone 21 is folded, the second display 31 displays a date and a day of the week as shown in FIG. 6A, a message indicating that there is an incoming call as shown in FIG. 6B, and the like. On the other hand, when the mobile phone 21 is open, the call duration as shown in FIG. 6C and the remaining battery level as shown in FIG. I do. When the communication destinations are grouped by a memory function using a RAM (not shown), as shown in FIG. 6 (e), it is displayed in which group and where the communication destinations are stored. You may. Further, in the second display 31, scroll buttons are provided on the key operation unit 35 or other parts to scroll a long message that cannot be displayed on one screen, for example, "07/14 (MON) 15:00". It can also be displayed. As a display example of the first display 30 and the second display 31 in a state where the mobile phone 21 is opened, a destination telephone number as shown in FIG. Then, the second display 31 displays the talk time as shown in FIG. 6C and the remaining battery level as shown in FIG. 6D.

Next, the operation of the mobile phone 21 according to the present embodiment will be described in detail.

When the first housing 22 and the second housing 23 are in a folded state, the switch 28 is turned on by the convex portion 36 provided on the second housing 23, and the switch 28 sends an ON signal to the control unit. The signal is output to the selection circuit 27 in 34. When receiving the ON signal from the switch 28, the control unit 34 outputs a control signal for driving the second display 31 to the TAB 42. Upon receiving the control signal from the control unit 34, the TAB 42 outputs a drive signal to the second display 31. Therefore, when the mobile phone 21 is folded, only the second display 31 is displayed.

On the other hand, when the first housing 22 and the second housing 23 are open around the hinge 32, the switch 28 outputs an off signal to the selection circuit 27 in the control unit 34. Upon receiving the OFF signal from the switch 28, the control unit 34 outputs a control signal for driving the first display 30 to the TAB 26 and outputs a control signal for driving the second display 31 to the TAB 42. The TAB 26 outputs a drive signal to the first display 30 when a control signal from the control unit 34 is input, and the TAB 42 outputs a drive signal to the second display 31 when a control signal from the control unit 34 is input. I do. Therefore, when the mobile phone 21 is open, both the first display 30 and the second display 31 are displayed. During a call, for example, the other party's telephone number as shown in FIG. 5A is displayed on the first display 30, and the call time as shown in FIG. 6C is displayed on one of the second displays 31. By displaying and displaying the remaining battery level as shown in FIG. 6 (d) on the other side of the second display 31, the user can instantly confirm the talking time and the remaining battery level for the other party during a call. can do.

FIG. 7 is a block diagram showing a circuit configuration of a wireless communication device, preferably a mobile phone, according to another embodiment of the present invention. 7, the same components as those of the mobile phone 21 shown in FIG. 1 are denoted by the same reference numerals. The mobile phone 21 of this embodiment has a configuration in which ELs (electro luminescent lights) 51 and 55 and EL drivers 52 and 54 are added to the mobile phone 21 shown in FIG. The ELs 51 and 55 are attached to the first display 30 and the second display 31, respectively, and cause the first display 30 and the second display 31 to emit light. The EL drivers 52 and 54 supply power to the ELs 51 and 55. FIG. 8 is a diagram for explaining the operation of the mobile phone 21 shown in FIG. 7 in detail.

In FIG. 8, when the first housing 22 and the second housing 23 are folded, the switch 28 is turned on by the convex portion 36 provided on the second housing 23, and the switch 28 is turned on. The signal is output to the selection circuit 27 in the control unit 53. When receiving the ON signal from the switch 28, the control unit 53 outputs a control signal for driving only the second display 31 to the TAB 42, and outputs a control signal for driving only the EL 55 attached to the second display 31 to the TAB 42. Output to the EL driver 54. Upon receiving the control signal from the control unit 53, the TAB 42 outputs a drive signal only to the second display 31. Further, when the control signal is input from the control unit 53, the EL driver 54 outputs a drive signal only to the EL 55 attached to the second display 31. Therefore, when the mobile phone 21 is folded, only the second display 31 is displayed and emits light.

On the other hand, when the first housing 22 and the second housing 23 are open around the hinge 32, the switch 28 outputs an OFF signal to the selection circuit 27 in the control unit 53. When receiving the OFF signal from the switch 28, the control unit 53 outputs a control signal for driving the first display 30 and the second display 31 to the TABs 26 and 42, and outputs the control signal to the first display and the second display. Control signals for driving the attached ELs 51 and 55 are output to the EL drivers 52 and 54. Upon receiving the control signal from the control unit 53, the TABs 26 and 42 output drive signals to the first display 30 and the second display 31. When the EL drivers 52 and 54 receive the control signal from the control unit 53, they output drive signals to the ELs 51 and 55 attached to the first display 30 and the second display 31, respectively. Therefore, when the mobile phone 21 is open, both the first display 30 and the second display 31 are displayed and emit light.

In the mobile phone 21 of the present embodiment, the first display 30 and the second display 31 emit light when the mobile phone 21 is opened, and the second display 31 is turned on when the mobile phone 21 is folded. By emitting light, the first display 30 and the second display 31 can be more easily viewed.

無線 The wireless communication device of the present invention is not limited to the above embodiment. For example, in the wireless communication device of the present embodiment, the first display 22 and the second display 31 are provided in the first housing 22, but the first display 30 is provided in the second housing 23. And the second display 31 may be provided. In short, the first display 30 and the second display 31 may be adjacent to each other.

Although the wireless communication device of the present invention has been described using a mobile phone as an example, there is no problem if it is applied to a portable information terminal or a wireless selective call receiver having a cover for covering a display unit.

FIG. 2 is a block diagram illustrating a circuit configuration of the mobile phone 21 according to the present invention. FIG. 2 is a circuit layout diagram for explaining the circuit configuration of the mobile phone 21 according to the present invention in more detail. 1 is a perspective view of a mobile phone 21 according to the present invention. FIG. 3 is a cross-sectional view of the mobile phone 21 according to the present invention, taken along line AA. FIG. 4 is a diagram showing a display example of a first display 30 according to the present invention. FIG. 7 is a diagram showing a display example of a second display 31 according to the present invention. FIG. 13 is a block diagram showing a circuit configuration of a mobile phone 21 according to another embodiment of the present invention. FIG. 11 is a diagram illustrating an operation of a mobile phone 21 according to another embodiment of the present invention. FIG. 11 is a block diagram illustrating a circuit configuration of a conventional mobile phone.

Explanation of reference numerals

DESCRIPTION OF SYMBOLS 1 Cellular phone 1a 1st case 1b 2nd case 2 Hinge part 3 Antenna 4 Radio part 5 Control part 6 Key operation part 7 Battery 8 First display 9 Display driver 10 Selection circuit 11 Second display 12 Reed switch 13 Magnet 14 Microphone 15 Speaker 21 Mobile phone 22 First housing 23 Second housing 24 Antenna 25 Radio unit 26 TAB
27 selection circuit 28 switch 29 receiver 30 first display 31 second display 32 hinge part 33 battery 34 control part 35 key operation part 36 convex part 37 transmitter 41 heat seal 42 TAB
51 EL
52 EL driver 53 Control unit 54 EL driver

Claims (28)

A wireless unit that receives a wireless signal, a first housing and a second housing that can be folded together, and the first housing and the second housing each include a first housing and a second housing. An indicator and a second indicator are provided on different surfaces, respectively, and the second indicator is driven when the first casing and the second casing are folded,
A wireless communication device wherein the first display and the second display are driven when the first housing and the second housing are open. The first housing is provided with a switch, the second housing is provided with a convex portion for turning on and off the switch, and when the switch is turned on by the convex portion, the first housing and the second And judging that the first housing and the second housing are open when the switch is turned off by the projection. 2. The wireless communication device according to 1. 2. The wireless communication according to claim 1, wherein the second display is provided at a position visible from outside when the first housing and the second housing are folded. 3. Machine. The first display is provided on a front surface of one of the first housing and the second housing, and the second display is provided on at least one side surface of both side surfaces with respect to the front surface. The wireless communication device according to claim 1, wherein: The wireless communication device according to claim 4, wherein the first display is provided at a position where the second display can be simultaneously viewed. The wireless communication device according to claim 4, wherein an angle between the front and the side surface inside the housing is an obtuse angle. The wireless communication device according to claim 2, wherein a TAB for supplying power to the first display and the second display is provided, and the TAB is controlled by turning on and off the switch. The second indicator emits light when the switch is turned on by the projection, and the first indicator and the second indicator emit light when the switch is turned off by the projection. The wireless communication device according to claim 2, wherein: The wireless communication device according to claim 8, wherein the first display and the second display emit light by EL. 3. The wireless communication device according to claim 2, wherein the information displayed on the second display is different depending on whether the switch is turned on or off. The wireless communication device according to claim 2, wherein the wireless communication device is a mobile phone. A wireless unit that receives a wireless signal, a first housing and a second housing that can be folded together,
A first display, a second display, and a third display are provided on one of the first housing and the second housing, and the first housing and the second housing are provided. The second display and the third display are driven when the second housing is folded, and the second display and the third display are driven when the first housing and the second housing are open. A wireless communication device in which a first display, the second display, and the third display are driven. The first housing is provided with a switch, the second housing is provided with a convex portion for turning on and off the switch, and when the switch is turned on by the convex portion, the first housing and the second And judging that the first housing and the second housing are open when the switch is turned off by the projection. 13. The wireless communication device according to item 12. The second display device and the third display device are provided at positions where the first housing and the second housing can be viewed from the outside when the first housing and the second housing are folded. The wireless communication device according to claim 12. The first display is provided on a front surface of any of the first housing and the second housing, and the second display and the third display are provided on both sides of the front surface. The wireless communication device according to claim 12, wherein the wireless communication device is provided on at least one side surface. The wireless communication device according to claim 15, wherein the first display is provided at a position where the second display and the third display can be simultaneously viewed. The wireless communication device according to claim 15, wherein an angle between the front and the side surface in the housing is obtuse. The TAB for supplying power to the first display, the second display, and the third display is provided, and the TAB is controlled by turning on and off the switch. Wireless communicator. The second display and the third display emit light when the switch is turned on by the protrusion, and the first display and the second display are turned on when the switch is turned off by the protrusion. 14. The wireless communication device according to claim 13, wherein the display and the third display emit light. 20. The wireless communication device according to claim 19, wherein the first display, the second display, and the third display emit light by EL. 14. The wireless communication device according to claim 13, wherein information displayed on the second display and the third display is different depending on whether the switch is turned on or off. 14. The wireless communication device according to claim 13, wherein the wireless communication device is a mobile phone. A wireless unit that receives a wireless signal; and a first housing and a second housing that can be folded together. The first housing and the second housing each include a first housing and a second housing. An indicator and a second indicator are provided on different surfaces, respectively, and the second indicator is provided from the outside when the first casing and the second casing are folded. A wireless communication device provided at a position where it can be seen. A wireless unit that receives a wireless signal; and a first housing and a second housing that can be folded together. The first housing and the second housing each include a first housing and a second housing. An indicator, a second indicator, and a third indicator are provided, and the second indicator and the third indicator are configured such that the first casing and the second casing are folded. A wireless communication device, which is provided at a position that can be seen from the outside when the wireless communication device is in a state where the wireless communication device is in a closed state. A first housing and a second housing, wherein the first display and the second display are respectively provided on different surfaces on one of the first housing and the second housing. And the second display is driven when the first housing and the second housing are folded, and the first housing and the second housing are The display structure of a wireless communication device, wherein the first display and the second display are driven when the wireless communication device is open. A first housing, a second housing, and a first display, a second display, and a third display are provided on one of the first housing and the second housing. Is provided, and when the first housing and the second housing are folded, the second display and the third display are driven, and the first housing and the The display structure of a wireless communication device, wherein the first display, the second display, and the third display are driven when the second housing is open. A first housing and a second housing, wherein the first display and the second display are respectively provided on different surfaces on one of the first housing and the second housing. Wireless communication, wherein the second display is provided at a position visible from outside when the first housing and the second housing are folded. Display structure of the machine. A first housing, a second housing, and a first display, a second display, and a third display are provided on one of the first housing and the second housing. Is provided, and the second display and the third display are provided at positions visible from the outside when the first housing and the second housing are folded. A display structure of the wireless communication device.

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