JPH0750711A - Portable terminal equipment - Google Patents

Abstract

PURPOSE:To select plural functions without unnecessarily occupying an area by setting the prescribed function according to a position output corresponding to the turning angle of a second part to a first part at the first and second parts linked so as to be freely turned. CONSTITUTION:A transmission part 1a and a reception part 1b at the main body of a telephone set are freely turnably linked by a pair of link parts, and so-called two fold type structure is provided. Concerning one link part, a cylindrical part 2a of the transmission part 1a at the main body of the telephone set is provided with a rotary variable resistor 6, a cylindrical part 2b of the reception part 1b is provided with a grip part 61 of the variable resistor 6 and when the reception part 1b is turned to the transmission part la, the resistance value of the variable resistor 6 can be varied corresponding to the turning angle. When the reception part 1b is turned almost at 90 deg. to the transmission part 1a, for example, corresponding to the resistance value of the variable resistor 6 at such a time, an electronic notebook erase mode is selected, for example, in addition to the waiting mode of reception while turning on a power source.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable terminal device having multiple functions.

[0002]

2. Description of the Related Art Recently, as a mobile terminal device, for example, a mobile phone capable of calling and talking on the other party from the outdoors has been widely used. Such portable telephones tend to be more and more multifunctional, and each of these functions is selected by a button or switch incorporated in the telephone body or a combination thereof.

[0003]

However, such a mobile phone is desired to be smaller and lighter in spite of being multifunctional, and when a display part such as a liquid crystal panel is also arranged, Buttons and switches for selecting each function must be concentrated in a very small area,
As a result, the operability of these buttons and switches deteriorates, and the structure of each of the buttons and switches becomes complicated and expensive. The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a mobile terminal device capable of realizing a plurality of function selections without unnecessarily occupying an area.

[0004]

According to the present invention, in a portable terminal device in which a first portion and a second portion are rotatably connected by a connecting portion, the rotation of the second portion with respect to the first portion is performed. It is composed of a position output generating means for generating a position output corresponding to the moving angle and a control means for selecting a plurality of functions based on the position output from the position output generating means.

Further, according to the present invention, in a portable terminal device in which a transmitting portion and a receiving portion are rotatably connected by a connecting portion, the portable terminal device is provided at the connecting portion and is adapted to a rotation angle of the receiving portion with respect to the transmitting portion. The rotary variable resistor that changes its resistance value and the control means that selects a plurality of functions based on the change of the resistance value of the variable resistor.

[0006]

As a result, according to the present invention, in the first portion and the second portion which are rotatably connected to each other, the predetermined position is output by the position output according to the rotation angle of the second portion with respect to the first portion. Since the function can be set, the desired function can be selected from a plurality of functions only by rotating the first part and the second part.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1A and 1B show a schematic configuration when the present invention is applied to a mobile phone. In the figure, 1 is a telephone body, and the telephone body 1 is composed of a transmitter section 1a and a receiver section 1b.

In this case, the transmitter unit 1a of the telephone body 1 has a transmitter hole 31 and an operation button unit 4 such as a dial key, and the receiver unit 1b has a receiver hole 32 and a liquid crystal. It has a display unit 5 such as a display (LCD).

The transmitter 1a and receiver 1b of the telephone body 1 are rotatably connected by a pair of connecting portions 2.
It has a so-called two-fold structure. In this case, the pair of connecting portions 2 includes a tubular portion 2a formed at an end portion on the connecting side of the transmitter portion 1a, and a receiver portion formed so as to communicate the hollow portions on both sides of the tubular portion 2a. 1b has a pair of tubular portions 2b and 2b at the end of the connection side, and a shaft (not shown) that is commonly inserted in the hollow portions of these tubular portions 2a and 2b. 1b is rotatably supported.

As shown in FIG. 2, the connecting portion 2 on one side is provided with a rotary variable resistor 6 on the cylindrical portion 2a of the transmitting portion 1a of the telephone body 1, and the variable resistor 6 is provided.
When the earpiece 1b is provided with the tubular portion 2b of the earpiece 1b and the earpiece 1b is rotated with respect to the earpiece 1a, the resistance value of the variable resistor 6 is changed according to the rotation angle. You can do it. Further, the other connecting portion 2 is provided with a shaft (not shown) corresponding to the shaft of the variable resistor 6 so as to freely rotate the tubular portion a of the transmitter portion 1a and the tubular portion 2b of the receiver portion 1b of the telephone body 1. I support you.

The connecting portion 2 has a structure in which the rotation of the receiving portion 1b with respect to the transmitting portion 1a can be locked at a predetermined angle by a click mechanism (not shown). As shown in FIG. 3A, when the transmitter unit 1a and the receiver unit 1b are folded in two, the telephone body 1 is in the standby mode for reception, but the display unit 5 and the like are not powered. Power O
FF mode is selected. From this state,
As shown in (b), when the earpiece 1b is rotated by approximately 90 ° with respect to the transmitter 1a to the rotation position b, the power is turned on according to the resistance value of the variable resistor 6 at this time. In addition to the reception standby mode, for example, the electronic telephone directory deletion mode is selected, the operation button section 4 such as a dial key is changed to the electronic notebook deletion mode, and as shown in FIG. When 1b is rotated to the rotation position c, the power is turned on according to the resistance value of the variable resistor 6 at this time, and in addition to the reception standby, for example, the electronic telephone directory input (kana character input)
When the mode is selected, the operation button section 4 is changed to the kana input for the electronic notebook, and as shown in FIG. 3D, when the earpiece 1b is further rotated by a predetermined angle to the rotation position d, this In accordance with the resistance value of the variable resistor 6 at this time, the electronic telephone directory input (alphabet input) mode is selected by turning the power on and waiting for reception, and the operation button 4 is changed to the alphabet input of the electronic notebook, as shown in FIG. ), When the earpiece 1b is further rotated by a predetermined angle to the rotation position e, the power is turned on, the reception standby is set, and the electronic telephone directory is received depending on the resistance value of the variable resistor 6 at this time. The input (numeric input) mode is selected, the operation button section 4 is changed to the numeric input of the electronic notebook,
As shown in FIG. 3 (f), the earpiece 1 is further moved by a predetermined angle.
When b is turned to the turning position f, the power is turned on and the reception standby state is set according to the resistance value of the variable resistor 6 at this time.
The electronic telephone directory search mode is selected, the operation button section 4 is changed to the electronic notebook search mode, and as shown in FIG.
In such a case, the call mode is selected by turning on the power according to the resistance value of the variable resistor 6 at this time.

FIG. 4 shows a circuit configuration of such a telephone body 1. In the figure, 11 is an antenna,
A high frequency section 12 is connected to the antenna 11.
The high frequency unit 12 performs frequency conversion processing, and includes an antenna switch unit 121, a receiving unit 122, and a transmitting unit 123.
And a PLL synthesizer 124. Here, the antenna switch unit 121 distributes an input signal from the antenna 11 to the receiving unit 122 and an output signal from the transmitting unit 123 to the antenna 11. The receiving unit 122 includes the antenna 11 to the antenna switch unit 1
The frequency of the signal input via 21 is converted by a two-stage mixer, and 1.9 GHz to 150 to 250 MHz,
Furthermore, an IF signal of 10 MHz is obtained. The transmission unit 123 receives π / input from the modem 13 described later.
The modulated wave of 4-shift QPSK is 1.9 GHz by the mixer.
The frequency is converted to and output to the antenna 11 via the antenna switch unit 121. And the PLL
The synthesizer 124 includes a receiver 122 and a transmitter 123.
Local oscillation for frequency conversion is performed.

The high frequency section 12 has a modem 13
TDMA14, speech codec 15 and PCM
16, a speaker 18 on the receiving side and a microphone 19 on the transmitting side are connected to the PCM 16 via an amplifier 17.

Here, the modem 13 uses a π / 4 shift QP
It performs SK modulation and demodulation processing, and at the receiving side, the receiving unit 1
The IF signal from 22 is demodulated and separated into IQ data,
The data is transferred to the TDMA 14 as a data string, and on the transmission side, IQ data is created from the data transferred from the TDMA 14, and π / 4 shift QPSK modulation is performed, and the IQ data is sent to the transmission unit 123.

The TDMA 14 performs frame synchronization and slot format processing. On the receiving side, a slot is taken out from the data (frame) sent from the modem 13 at a predetermined timing, descrambled, and the like, and this slot is removed. The configuration data is taken out from the above format, the control data is sent to the control unit 20 which will be described later, the voice data is transferred to the speech codec 15, and the transmitting side sends the control data to the voice data transferred from the speech codec 15. A slot is added to create a slot, scrambled, inserted into a frame at a predetermined timing, and transferred to the modem 13.

The speech codec 15 performs compression / expansion processing of digital data.
PCM audio signal sent from MA14 (4 bit x
8 KHz = 32 Kbps for PCM audio signal (8 bit)
X8 KHz = 64 Kbps) to be expanded and output to the PCM 16, and the transmitting side encodes the PCM audio signal sent from the PCM 16 into the PCM audio signal to compress and send it to the TDMA 14. ing.

The PCM 16 performs analog / digital processing. On the receiving side, the PCM audio signal sent from the speech codec 15 is D / A converted to output an analog signal to the amplifier 17 to drive the speaker 18. Also, on the transmitting side, the analog voice signal input from the microphone 19 is A / D converted and the PCM voice signal is output to the speech codec 15. In addition, this PCM16, volume, ringer,
It also controls tone signals.

The high frequency section 12 and the modem 1
3, TDMA14, speech codec 15 and P
A control unit 20 is connected to the CM 16 and the control unit 20
ROM 21, RAM 22, recording / reproducing circuit 23, memory 2
4, the above-mentioned display unit 5, the key input unit 2 which is the operation button unit 4
6 and an electronic notebook 28 composed of a card RAM and the like are connected.

Here, the ROM 21 stores the control program in the control section 20. The RAM 22 temporarily stores the data handled by the control of the control unit 20. Further, the recording / reproducing circuit 23 records and reproduces a message when it is used as an answering machine. The memory 24 stores a standard message when used as an answering machine. The display unit 5 displays input data and results for various controls. The key input unit 26 is adapted to give a key input for setting various functions to the control unit 20. The electronic notebook 28 is a database in which telephone numbers, names and the like of each individual are registered.

Further, the variable resistor 6 described in FIG. 2 is connected to the control unit 20 through the A / D converter 27, and the earpiece 1b is rotated with respect to the transmitter 1a of the telephone body 1. When
A predetermined voltage is output based on the resistance value of the variable resistor 6 corresponding to the rotation angle, and the control unit 20 outputs a control command for realizing the above-described functions of FIG. 3 based on the predetermined voltage. It is like this.

However, in such a configuration, as shown in FIG. 3A, the transmitter 1 of the telephone body 1 is now used.
When a and the earpiece 1b are folded in half, the reception standby mode is set, but the power supply of the display unit 5 and the like is turned off.
It has become.

From this state, when making a telephone call by the telephone body 1, as shown in FIG. 3 (g), the rotation position g of the receiving section 1b with respect to the transmitting section 1a is selected. Then, the voltage value corresponding to the resistance value of the variable resistor 6 at this time is given to the control unit 20 via the A / D converter 27, and the call mode is selected by the instruction of the control unit 20. "Call"
Is displayed on the display unit 5.

Then, in this call mode, in the circuit configuration shown in FIG.
When a call signal is input via 1, the high frequency unit 12 causes the modem 13, the TDMA 14, the speech codec 15
When a speech signal is output from the speaker 18 on the receiving side via the PCM16 and the microphone 19 on the transmitting side, the antenna 11 is transmitted from the PCM 16 via the speech codec 15, the TDMA 14, the modem 13 and the high frequency section 12. Output to the other subscriber.

On the other hand, as shown in FIG. 3B, the transmitter 1
When the earpiece 1b is rotated about 90 ° with respect to a and the illustrated rotation position b is selected, the voltage value corresponding to the resistance value of the variable resistor 6 at this time is transmitted via the A / D converter 27 to the control unit. Given to 20. Then, the display unit 5 and the like are turned on by the instruction of the control unit 20 and the electronic notebook delete mode is set. In addition to the reception waiting mode, the “standby” and “phonebook” “delete Is displayed on the display unit 5.

Next, when the earpiece 1b is set to the rotation position c shown in FIG. 3C, the control section 20 gives an instruction according to the resistance value of the variable resistor 6 at this time to enter the electronic telephone directory ( The Kana character input) mode is selected, and “input” and “kana” to that effect are displayed. Further, when the earpiece 1b is set to the rotation position d shown in FIG. 3D, the electronic telephone directory input (alphabet input) mode is changed by the instruction of the control unit 20 according to the resistance value of the variable resistor 6 at this time. When the earpiece 1b is selected (displayed in "English") and further set to the rotation position e shown in FIG. 3 (e), the control unit 20 gives an electronic instruction according to the resistance value of the variable resistor 6 at this time. Phonebook entry (numeric entry) mode is selected ("numeric" display), and again
When the earpiece 1b is set to the rotation position f shown in FIG. 3 (f), the controller 2 according to the resistance value of the variable resistor 6 at this time.
The electronic telephone directory search mode is selected by the instruction of 0 (“search” display).

Therefore, in this way, the connecting portion 2 for rotatably supporting the transmitting portion 1a and the receiving portion 1b of the telephone body 1 is provided.
The rotary variable resistor 6 is provided in the variable resistor 6, and the resistance value of the variable resistor 6 is changed according to the rotation angle of the receiver 1b with respect to the transmitter 1a. Based on, you can select various functions such as reception standby mode, electronic notebook delete mode, electronic phonebook entry mode, electronic phonebook search mode, call mode,
Compared to the conventional one in which buttons and switches for selecting each function are centrally arranged in an extremely small area for device miniaturization, multiple function selections can be realized without unnecessarily occupying the area, It is possible to prevent deterioration of operability due to buttons and switches centrally arranged in a small area, and it is also possible to eliminate the inconvenience that the structures of the buttons and switches are complicated and expensive.

The present invention is not limited to the above-mentioned embodiments, and can be carried out by appropriately modifying it without changing the gist. For example, in the above-described embodiment, each function is selected according to the resistance value of the variable resistor 6 according to the rotation angle of the receiver 1b with respect to the transmitter 1a. It is also possible to use a device having a function of generating a position output according to the rotation angle of the receiving section 1b with respect to the section 1a. Further, in the above-mentioned embodiment, the example applied to the mobile phone is described, but the present invention is not limited to this, and can be used for a foldable electronic notebook, and in its selectable function,
For example, functions such as a calculator, a clock, and a calendar can be made selectable.

[0028]

According to the present invention, in the first portion and the second portion which are rotatably connected to each other, a predetermined position is output by a position output according to the rotation angle of the second portion with respect to the first portion. Since the function can be set, a desired function can be selected from a plurality of functions only by rotating the first part and the second part. With this, it is possible to realize a plurality of function selections without unnecessarily occupying an area, and it is possible to prevent operability from being deteriorated by not arranging buttons and switches in a narrow area. It is also possible to eliminate the inconvenience that the structure of each button or switch is complicated and expensive.

[Brief description of drawings]

FIG. 1 is a diagram showing a schematic configuration of an embodiment of the present invention.

FIG. 2 is an enlarged view showing a main part of one embodiment.

FIG. 3 is a diagram for explaining an example.

FIG. 4 is a diagram showing a circuit configuration of an embodiment.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Telephone main body, 1a ... Transmitting part, 1b ... Ear receiving part, 2 ... Connection part, 2a ... Cylindrical part, 2b ... Cylindrical part, 31 ... Transmission hole, 32 ... Reception hole, 4 ... Operation button Section, 5 ... display section, 6
..., 61 ... knob part, 11 ... antenna, 12 ... high frequency part,
121 ... Antenna switch section, 122 ... Receiving section, 123
Transmitter, 124 ... PLL synthesizer, 13 ... Modem, 14 ... TDMA, 15 ... Speech codec, 1
6 ... PCM, 17 ... Amplifier, 18 ... Speaker, 19 ... Microphone, 20 ... Control part, 21 ... ROM, 22 ... R
AM, 23 ... Recording / playback circuit, 24 ... Memory, 25 ... Display section,
26 ... Key input section, 27 ... A / D converter, 28 ... Electronic notebook.

Claims (2)

[Claims] 1. A portable terminal device in which a first portion and a second portion are rotatably connected by a connecting portion, and a position output corresponding to a rotation angle of the second portion with respect to the first portion is output. A mobile terminal device comprising: a position output generating unit that generates the position output; and a control unit that selects a plurality of functions based on the position output from the position output generating unit. 2. A portable terminal device in which a transmitting portion and a receiving portion are rotatably connected by a connecting portion, and a resistance value thereof is provided in the connecting portion according to a rotation angle of the receiving portion with respect to the transmitting portion. A mobile terminal device comprising: a rotary variable resistor that changes a variable resistance; and a control unit that selects a plurality of functions based on a change in the resistance value of the variable resistor.