JP2003087364A - Electronic device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily identify an incoming signal with respect to a phone such as a mobile phone even during reproduction of an acoustic signal. SOLUTION: A remote controller 1 includes; a detection means for detecting an incoming call signal arrived in a prescribed phone; a remote control signal generating means 3 for generating a remote control signal used to mute a device with an acoustic reproduction function when the detection means detects the incoming call signal; and a transmission means 4 for transmitting the remote control signal generated by the remote control signal generating means.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic apparatus suitable for application to audio equipment, audio / video equipment, or a remote control device for these equipment.

[0002]

2. Description of the Related Art Conventionally, when a telephone such as a mobile telephone receives an incoming call, the telephone is made to ring a ring tone. In some cases, a device separate from the mobile phone, which detects an incoming call to the phone and sounds a ring tone at a position slightly apart from the main body of the phone, has been put into practical use. .

[0003]

On the other hand, the reproduction of acoustic signals in conventional audio equipment, audio / video equipment, etc., and the output of a ring tone from a telephone such as a mobile telephone are
Since it is performed independently, when an incoming call is received on a mobile phone such as a mobile phone while an audio signal is being played back on an audio device, the ringing sound from the phone is masked by the playing sound signal. , I missed it.

The present invention has been made in view of the above problems, and an object of the present invention is to make it possible to reliably recognize an incoming call when an incoming call arrives at a telephone while an audio signal is being reproduced by an audio device or the like.

[0005]

According to the present invention, in an electronic device having a sound reproducing function, an incoming call signal detecting means for a predetermined telephone and, when the incoming call signal is detected by the detecting means, the detecting means detects the incoming call signal. And an identifying means for bringing the incoming call signal into a distinguishable state.

According to the present invention, an incoming call to a telephone such as a mobile telephone can be easily identified.

Further, the present invention provides a means for detecting an incoming call signal for a predetermined telephone and, when the incoming call signal is detected by the detecting means, remote control of a device having a sound reproducing function in response to the detection. The remote control signal generating means for generating a signal and the transmitting means for transmitting the remote control signal generated by the remote control signal generating means are provided.

According to the present invention, when an incoming call is received to a telephone such as a mobile phone, a remote control signal is automatically transmitted to a device having a sound reproducing function, and the incoming call can be easily identified.

[0009]

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

1 to 5 show an example of an embodiment in which the present invention is applied to an electronic apparatus having a sound reproducing section such as a television receiver and an audio signal reproducing apparatus.

FIG. 3 is a circuit block diagram showing an example of the internal circuit configuration of the mobile phone. The mobile phone shown in FIG. 3 has a TDMA (Time Division Multiple Access
s: time division multiple access) as a wireless telephone, which is a system for bidirectional communication by dividing one transmission channel by time to generate a plurality of time slots.

In FIG. 3, reference numeral 20 denotes the entire mobile phone of this example. The mobile phone 20 includes a transmission / reception antenna 21, a transmission / reception matching device 22, a diversity antenna 23, a first receiver 24, a second receiver 25, and a demodulator. Device 26, TDMA processor 27, quadrature modulator 28, high frequency power amplifier 29, carrier signal generation / switching device 30 for generating a carrier signal and switching the frequency of this carrier signal, CODEC 3
1, control unit 32, display / control operation unit 33, microphone 34,
A speaker 35, a transmitter 36 for generating a calling signal, a speaker 37 for issuing a calling signal, an RF modulator 38 for converting the calling signal into a wireless transmission signal, and an antenna 39.

The transmission / reception antenna 21 is connected to the signal output side of the high frequency power amplifier 29 and the signal input side of the first receiver 24 via the transmission / reception matching unit 22, and the antenna 23 for diversity is connected to the second receiver 25. It is connected to the signal input side of. The output side of the received signal of the first receiver 24 and the output side of the received signal of the second receiver 25 are connected to the signal input side of the demodulator 26, and the signal output side of the demodulator 26 is subjected to TDMA processing. The TDM (Time Divis) of the TDMA processor 27 is connected to the reception signal input side of the processor 27.
ion multiple) signal output is connected to the input side of the quadrature modulator 28. The signal output side of the quadrature modulator 28 is connected to the signal input side of the high frequency power amplifier 29. The carrier signal output side of the carrier signal generator / switcher 30 is connected to the carrier signal input sides of the first receiver 24, the second receiver 25, and the quadrature modulator 28, respectively.

The output side of the coded reception signal of the TDMA processor 27 is connected to the reception signal input side of the CODEC 31, and the output side of the coded transmission signal of the CODEC 31 is TD.
The MA processor 27 is connected to the encoded transmission signal input side. The output side of the decoded reception signal of the CODEC 31 is connected to the reception side of the reception signal of the speaker 35, and the microphone 34
The output side of the transmission signal is connected to the input side of the transmission signal of the CODEC 31. The control channel data signal input / output side of the TDMA processor 27 is connected to the control channel data signal input / output side of the control section 32 through a bidirectional bus line.

The output side of the incoming call control signal of the control section 32 is connected to the signal input side of the oscillator 36 for generating the incoming call signal,
The incoming call signal output side of the oscillator 36 is connected to the signal input side of the speaker 37, and the other incoming call signal output side of the oscillator 36 is connected to the signal input side of the RF modulator 38. The display / control operation data signal input / output side of the control unit 32 is connected to the data signal input / output side of the display / control operation unit 33 through a bidirectional bus line.

Next, the operation of the mobile phone 20 will be described.

In the portable telephone 20, the frequency of the carrier signal generated by the carrier signal generator / switch 30 is switched from the controller 32, and the carrier signal that maximizes the output of the demodulator 26 is selected. It is said that Since the antenna 23 is arranged with respect to the transmission / reception antenna 21 as a diversity antenna, the first receiver 2
4 and the output of the second receiver 25 are demodulated respectively, and the signal having the higher signal level of the signals obtained is TDM.
The A signal is supplied to the reception signal input side of the A processor 27, and the incoming call waiting state is set.

In this standby state, when a time slot having the identification information of the mobile phone 20 arrives, the TDMA processor 27 transfers a control channel data signal corresponding to the information of the time slot to the control unit 32, and controls. In the unit 32, an incoming call control signal is generated based on the control channel data signal, and is input to the incoming call signal generating transmitter 36 to generate an incoming call signal. The incoming call signal is supplied to the speaker 37 to emit the incoming call acoustic signal, and is also supplied to the RF modulator 38 to be radiated from the antenna 39.

Reference numeral 40 denotes a three-contact type jack. By inserting a plug with a cord into the jack 40, a so-called headset composed of an external speaker and a microphone can be used, or a transmitter 36 can be used. The incoming call signal can be taken out.

Next, an example in which the sound reproducing function of the electronic device can be suppressed based on the incoming call acoustic signal radiated from the antenna 39 will be described with reference to FIG. The mobile phone 20 has, for example, the configuration shown in FIG. 3 described above. 1 is a remote control device, and this remote control device 1 is composed of a sensor unit 2, a CPU unit 3, and a transmission unit 4.

An example of the configuration of the remote control device 1 will be described with reference to FIG. The sensor unit 2 is composed of a sensor 5 and a detection circuit 6, the sensor 5 is composed of an antenna member for receiving a radio wave signal radiated from an antenna 39, and the detection circuit 6 supplies the radio wave signal received by the sensor 5. The reception circuit is configured to demodulate the radio signal to obtain an incoming call signal.

The CPU unit 3 includes a CPU 7 and a calculation RAM.
8 and a ROM 9 in which a remote control code is stored and connected to each other via a bus line 10. When the calling signal is supplied from the sensor unit 2 to the CPU 7, the RAM 8 performs an arithmetic process to read the remote control code corresponding to the calling signal from the ROM 9, and the light emitting diode 11 of the transmitting unit 4 according to the remote control code. Drive to emit light. Reference numeral 12 is a load resistance, and 13 is a power supply terminal (battery power supply terminal). 2a is this jack 4
It is a jack for connecting to 0 with a cable and inputting this incoming signal.

Reference numeral 3a denotes a remote control operation key. When this key 3a is operated, a remote control signal of a remote control code corresponding to this operation is read from the ROM 9 and an infrared signal of a pulse corresponding to this remote control code is read out. , The light emitting diode 11 included in the transmitter 4 outputs.

Next, an example of an electronic device having a sound reproducing function will be described with reference to FIG.

In FIG. 1, reference numeral 13 denotes an electronic device having a sound reproducing function, and this electronic device 13 has a receiving section 14, C.
The PU unit 15, the signal mute circuit unit 16, the signal input terminal 17 of the acoustic signal, the preamplifier unit 18, the power amplification unit 19, and the acoustic speaker unit 19a. The signal input terminal 17 is the signal output side of the preamplifier section 18 and the signal output side is the power amplifier section 1.
9 is connected to the signal input side, and the signal output side of the power amplification section 19 is connected to the signal input side of the acoustic speaker section 19a. Further, the connection point between the signal output side of the preamplifier section 18 and the signal input side of the power amplification section 19 is connected to the input side of the signal mute circuit section 16, and the output side of the signal mute circuit section 16 is grounded.

Therefore, the light emitting diode 11 of the transmitter 4 is driven to emit light according to the remote control code corresponding to the incoming call signal, and the drive light emitting state is received by the receiver 14 and input to the CPU 15. Then, when the content of the signal expressed in the drive light emission state is interpreted as a signal corresponding to the incoming call signal, the signal mute command signal is supplied from the CPU unit 15 to the signal mute circuit unit 16, and the preamplifier unit 18 The connection point between the signal output side and the signal input side of the power amplification section 19 is grounded through the signal mute circuit section 16, and the reproduced sound from the acoustic speaker section 19a is muted, that is, a so-called silent state. It

Therefore, according to the present embodiment, the fact that the incoming signal is received by the mobile telephone 20 and the incoming call signal is issued is not disturbed by the reproduced acoustic signal from the acoustic speaker unit 19a, so that it can be surely performed. You can know

Another example will be described with reference to FIG. In the example shown in FIG. 2, the example shown in FIG. 1 corresponds to the remote control code corresponding to the incoming call signal, and the light emitting diode 1 of the transmitting unit 4 is used.
1 is in a state of being driven and emitted, and this driving and emitting state is transmitted so as to be received by the receiving unit 14, while the jack 40 provided on the side of the mobile phone 20 and the remote control device 1 The other configuration is the same as the example of FIG. 1, except that the jack 2a of the sensor 2 provided on the side is connected by a signal cable with a plug for transmission.

It can be easily understood that the same effect as the example of FIG. 1 can be obtained in the example of FIG.

Next, another example will be described with reference to FIG. In the example of FIG. 4, the light emitting diode 11 of the transmitting unit 4 is driven to emit light according to the remote control code corresponding to the incoming call signal in the example of FIG. 1, and the drive emitting state is received by the receiving unit 14. While the transmission is performed as described above, the jack 40 provided on the mobile phone 20 side and the jack 2a of the sensor 2 provided on the electronic device 13 side are connected by a signal cable with a plug for transmission. The other parts are the same as those in FIG.

It can be easily understood that the same effect as the example of FIG. 1 can be obtained also in the example of FIG.

Further, in the above-mentioned example, the case where the reproduced acoustic signal is put into the muting state when the incoming call is received on the side of the portable telephone has been described, but not only the reproduced acoustic signal is muted in this way, but also the portable telephone. It is also possible to provide the electronic device 13 with a display section for displaying that there is an incoming call on the side, and to display the arrival of the incoming call with characters or figures on this display section. Alternatively, the remote control device 1 may be provided with a display unit for displaying that there is an incoming call on the mobile phone side. Further, a flash or the like that periodically emits intense light may be provided on the electronic device or remote control device side to notify the incoming call by the light emission.

Further, in the above-mentioned embodiment, the muting state, which is the silent state at the time of the incoming call, is controlled. However, the muting state is not completely silenced, but at the time of the incoming call, Control may be performed such that the audio output level from the audio device is lowered by a predetermined level.

In the above-described embodiment, muting or the like is performed at the time of receiving an incoming call from a wireless telephone called a mobile telephone, but other telephones such as a telephone connected to a wired telephone line. Similar processing such as muting may be performed at the time of incoming call.

[0035]

According to the present invention, when an incoming call signal for a telephone such as a portable telephone is detected, the incoming call signal can be identified according to the detection.
The incoming call can be easily identified, and for example, the output of the acoustic signal from the audio device does not cause the incoming call tone to be missed.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration example according to an embodiment of the present invention.

FIG. 2 is a block diagram showing a configuration example according to another embodiment of the present invention.

FIG. 3 is a block diagram showing an example of a mobile phone applied to an embodiment of the present invention.

FIG. 4 is a block diagram showing a configuration example according to still another embodiment of the present invention.

FIG. 5 is a block diagram showing an example of a remote control device applied to one embodiment of the present invention.

[Explanation of symbols]

1 ... Remote control device, 2 ... Sensor, 15 ... C
PU unit, 16 ... Signal mute circuit unit, 13 ... Electronic device,
20 ... Mobile phone

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) H04Q 9/00 361 H04Q 9/00 361 F term (reference) 5C025 BA09 BA19 DA10 5C056 AA05 BA06 CA01 CA20 DA11 5K027 AA11 BB01 CC08 EE15 HH29 5K048 BA02 DB04 EA11 EB02 FB11 FC01 HA01 HA02 HA05 HA07

Claims (4)

[Claims] 1. An electronic device having a sound reproduction function, comprising: means for detecting an incoming call signal for a predetermined telephone; and, when the incoming call signal is detected by the detecting means, in response to the detection. An electronic device having an identification means for making an incoming call signal identifiable. 2. The electronic device according to claim 1, wherein the distinguishable state is a muting state of sound reproduced by a sound reproduction function. 3. An incoming call signal detecting means for a predetermined telephone, and when the incoming call signal is detected by the detecting means, a remote control of a device having a sound reproducing function in response to the detection. An electronic device comprising: a remote control signal generating means for generating a signal; and a transmitting means for transmitting the remote control signal generated by the remote control signal generating means. 4. The electronic device according to claim 3, wherein the remote control signal generated by the remote control generation means is a signal that puts a device having a sound reproducing function into a muting state.