JPH07111680A - Portable radio telephone system - Google Patents

Abstract

PURPOSE:To recognize a mode used at present by sound generated at the time of dial input in a portable radio telephone system using the service networks of cordless telephone and cellular telephone and to recognize whether it is within the radio arriving range of a master unit or a base station or not. CONSTITUTION:A mode detection part 10 detecting the telephone mode used at present, and key pad depressing sound generation parts 8a and 8b which are respectively independent for a cordless mode and a cellular mode are provided. The mode detection part 10 changes key pad depressing sounds when a call is made at the cordless mode and the call is made at the cellular mode. When the system is beyond the radio arriving range of the master unit or the base station, it is detected and the key pad depressing sound is not transmitted.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention has both functions of a cellular telephone and a cordless telephone, and makes a call in a cellular mode and makes a call in a cordless mode. The present invention relates to a portable wireless telephone device having different keypad pressing sounds.

[0002]

2. Description of the Related Art In recent years, portable radiotelephone devices have a function that can be used both as a cellular telephone and a cordless telephone, and are used as ordinary cordless telephones within the reach of radio waves of the base unit and at other locations. It can be used as a telephone.

Hereinafter, with reference to the drawings, only a calling operation of a conventional portable radio telephone device will be described.

FIG. 2 is a block diagram showing a circuit configuration of a conventional portable radio telephone device. In FIG. 2, reference numeral 1 is a radio unit for a cellular phone that modulates and demodulates a radio signal as a cellular phone, 2 is a radio unit for a cordless phone that modulates and demodulates a radio signal as a cordless phone, and 3 is a microphone unit that inputs a voice. Reference numeral 4 is a speaker unit that outputs a voice, 5 is a voice processing unit that is connected to the wireless units 1 and 2, the microphone unit 3 and the speaker unit 4 and performs each process of a voice signal, and 6 is an operation for inputting an operation signal from the outside. 7 is a display unit for displaying an operation state, 8 is a keypad pressing sound generating unit for generating a keypad pressing sound in response to a dial signal input from the operation unit, and 9 is a control for controlling the entire apparatus. Part [eg CPU, R
OM, RAM, etc.].

The operation of the conventional portable radiotelephone device configured as described above will be described below.

When the caller makes a call, first, the operation unit 6
Select whether to use as a cellular phone or a cordless phone at.

When the cellular telephone is selected, the dial signal is input to the control unit 9 when the dial input is made on the operation unit 6.
To the cellular telephone radio unit 1 to be modulated into a radio signal and communicate with the base station. At the same time, a keypad pressing sound generation unit 8 generates a keypad pressing sound in response to the dial signal, and the keypad pressing sound is transmitted from the speaker unit 4 via the voice processing unit 5.

When a cordless telephone is selected and a dial input is made on the operation unit 6, the dial signal is sent to the cordless telephone radio unit 2 via the control unit 9 and modulated into a radio signal, and the base unit Communicate with. Also in this case, the keypad pressing sound generation unit 8 generates a keypad pressing sound in response to the dial signal, and the keypad pressing sound is transmitted from the speaker unit 4 via the voice processing unit 5.

If the caller is outside the radio wave coverage of the base unit, if it is confirmed that the cordless telephone radio unit 2 cannot communicate with the base unit, the control unit 9 causes the display unit 7 to display. Display that the signal is out of range of the base unit. Therefore, the caller moves within the range of the radio wave of the base unit or makes another call in the cellular mode.

[0010]

However, in the above-mentioned conventional portable radiotelephone device, when confirming whether the telephone currently in use is a cellular telephone or a cordless telephone, a method other than looking at the display is used. In addition, there is a problem that if a cellular phone is mistakenly selected even though it is a place where a cordless phone can be used, call charges will be incurred more than necessary.

The present invention solves the above-mentioned problems, and when a keypad pressing sound is generated in response to a dial signal input by the operation unit, the keypad differs between the cellular mode and the cordless mode. An object of the present invention is to provide a portable wireless telephone device capable of transmitting a pressing sound.

[0012]

In order to achieve the above object, the present invention provides a cellular telephone radio section for modulating / demodulating a radio signal as a cellular telephone and a cordless telephone for modulating / demodulating a radio signal as a cordless telephone. Wireless unit, a microphone unit for inputting voice, a speaker unit for outputting voice, an audio processing unit connected to the two wireless units, the microphone unit and the speaker unit, and performing each processing of an audio signal. And an operation section for inputting an operation signal from the outside, and a control section for controlling the entire apparatus, and a mode detection section for detecting the mode currently in use is provided. Keypad pressing sound generation means for receiving a control signal from the control section in response to a dial signal input from the control section, generating a keypad pressing sound, and inputting to the voice processing section. Separates into two systems, generates different keypad pressing sounds for each mode, and does not generate any keypad pressing sound when it is outside the radio range of the base unit or base station Cellular mode Keypad pressing sound generation And a cordless mode keypad pressing sound generation unit.

[0013]

According to the present invention, with the above circuit configuration, it is possible to know from the mode detection of the mode detection section whether the telephone currently used is in the cellular mode or the cordless mode depending on the difference in the keypad pressing sound. At the same time, when the portable radio telephone device is outside the radio wave reachable range of the master unit or the base station, the keypad pressing sound is not transmitted.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

In all the drawings, the same symbols represent the same or corresponding members. FIG. 1 is a block diagram showing a circuit configuration of a portable radio telephone device according to an embodiment of the present invention.

In FIG. 1, the radio unit 1 for a cellular telephone is
The cordless telephone wireless unit 2, microphone unit 3, speaker unit 4, voice processing unit 5, operation unit 6, display unit 7, and control unit 9 are the same as those in the conventional example shown in FIG. Omit it. Although the display unit 7 for displaying the operation state is shown in FIG. 1, this is not always necessary and may be installed for visual confirmation.

The newly added element member is a mode detection unit 10 for detecting the telephone mode currently in use, and in the conventional example, a keypad pressing sound is generated in response to a dial signal input from the operation unit 6. The single keypad pressing sound generating unit 8 for generating the keypad pressing sound generating unit 8a is separated into two in this embodiment, and one of them is the cellular mode keypad pressing sound generating unit 8a when the cellular telephone is used. The other one is a cordless mode keypad pressing sound generation section 8b when using a cordless telephone.

The operation of the portable radio telephone device having the above-described circuit configuration will be described below.

When the caller makes a call, first, the operation unit 6
Select whether to use as a cellular phone or a cordless phone at.

Next, when the cellular telephone is selected through the control unit 9 in the operation unit 6, the dial signal is sent to the cellular telephone radio unit 1 and modulated into a radio signal to communicate with the base station. To do. When the cordless telephone is selected, it is sent to the cordless telephone radio unit 2 and modulated into a radio signal to communicate with the master unit. At the same time, the mode detection unit 10 detects which mode is currently in use, and sends the dial signal to the cellular mode keypad pressing sound generation unit 8a when using the cellular telephone and the cordless mode key when using the cordless telephone. It is sent to the pad pressing sound generator 8b. In response to the transmitted dial signal, different keypad pressing sounds are generated in the keypad pressing sound generating units 8a and 8b in the cellular mode and the cordless mode, respectively, and are output from the speaker unit 4 via the voice processing unit 5. .

Further, when the radio wave is out of the radio wave reach range of the base station in the cellular mode and is also out of the radio wave reach range of the master unit in the cordless mode, the mode detection unit 10 is out of the radio wave reach range in any of these modes. Upon detection of the presence, the input dial signal is not sent to the cellular mode keypad pressing sound generation unit 8a and the cordless mode keypad pressing sound generation unit 8b, and the caller receives any keypad pressing sound. I can't hear. Therefore, it can be seen that it is outside the range of radio wave arrival.

[0022]

As described above, according to the present invention, the portable wireless telephone device is provided with the mode detecting section, the cellular mode keypad pressing sound generating section, and the cordless mode keypad pressing sound generating section, so that The keypad pressing sound can be changed when the cordless mode is used, and the mode currently in use can be known without looking at the display unit when making a call. In addition, when the dial input is made, the mode detection unit detects the mode in use and then sends the keypad pressing sound.Therefore, depending on whether the keypad pressing sound is heard or not, the master unit in the cordless mode can be heard. It is possible to provide a portable wireless telephone device capable of searching for whether or not it is within the radio wave reachable range.

[Brief description of drawings]

FIG. 1 is a block diagram showing a circuit configuration of a mobile wireless telephone device according to an embodiment of the present invention.

FIG. 2 is a block diagram showing a circuit configuration of a conventional portable wireless telephone device.

[Explanation of symbols]

 1 wireless part for cellular phone 2 wireless part for cordless phone 3 microphone part 4 speaker part 5 voice processing part 6 operation part 7 display part 8 keypad pressing sound generating part 8a cellular mode keypad pressing sound generating part 8b cordless mode keypad pressing Sound generation unit 9 Control unit 10 Mode detection unit

Claims (1)

[Claims] 1. A cellular telephone radio unit for modulating / demodulating a radio signal as a cellular telephone, a cordless telephone radio unit for modulating / demodulating a radio signal as a cordless telephone, a microphone unit for inputting voice, and a voice A speaker unit for outputting, a voice processing unit connected to the two wireless units, the microphone unit, and the speaker unit for performing each processing of a voice signal, an operation unit for inputting an operation signal from the outside, and an entire device are provided. A control section for controlling each is provided, and a mode detection section for detecting the mode currently in use is provided. With the mode detection of this mode detection section, the control section controls the dial signal input from the operation section. In response to the signal, a keypad pressing sound is generated and the keypad pressing sound generating means for inputting to the voice processing unit is separated into two systems,
It generates different keypad pressing sounds for each mode and does not generate any keypad pressing sound when it is out of the radio range of the base unit or base station Cellular mode keypad pressing sound generator and cordless mode keypad A portable radiotelephone device comprising a pressing sound generation unit.