JP3159321B2 - Mobile phone - Google Patents

Abstract

PURPOSE:To make a headphone stereo device combined to the portable telephone set and to improve the operability. CONSTITUTION:This telephone set is provided with an audio reproduction means 5 employing a headphone 90 to allow listening to music or the like, adder circuits 52L, 52R and its sum output is fed to the headphone 90. When the audio reproduction means 5 is set in the reproduction mode, reproduced signals L, R are fed to the headphone 90 through the adder circuits 52L, 52R. When the audio reproduction means 5 is in the reproduction mode and an incoming call comes, the reproduced signals L, R are muted and a ringer signal SR is fed to the headphone 90. When the key operation for an incoming call is implemented, the audio reproduction means 5 is set to the stop mode, the incoming call processing is implemented and the sound signal from a called party is fed to the headphone 90 through the adder circuits 52L, 52R.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable telephone in which a headphone stereo and the like are combined.

[0002]

2. Description of the Related Art Various types of audio reproducing devices, such as a headphone stereo, a portable CD player, a small radio, and the like, which allow a user to listen to music or the like with headphones while carrying the device, have been put on the market (hereinafter, referred to as "hereafter").
Such an audio playback device is represented by "headphone stereo").

On the other hand, portable telephones have been realized by telephone systems such as a telepoint system and a cellular system, and are becoming increasingly popular. The size and weight of the mobile phone have been reduced, and the size of the mobile phone has been reduced to about the same size as or smaller than a headphone stereo.

Therefore, as a next product, it is conceivable to combine a headphone stereo with such a portable telephone. In other words, if you integrate a mobile phone with a headphone stereo, you can always listen to music with the headphone stereo function when you carry it, make and receive calls when necessary, and use it conveniently. it can.

[0005]

However, if the portable telephone and the headphone stereo are simply integrated,
When there is an incoming call while listening to music by the headphone stereo function, even if a ringer indicating the incoming call sounds, it may not be noticed.

[0006] The present invention is intended to solve such a problem and to give special consideration to operability.

[0007]

For this reason, in the present invention, if the reference numerals of the respective parts correspond to the embodiments described later, a transmitting circuit 10, a receiving circuit 20, and a ringer signal forming circuit for notifying an incoming call are provided. 22 and the system controller 40
Audio reproducing means 5 capable of listening to music and the like by headphones 90 while carrying the portable telephone, an audio signal from the receiving circuit 20, a ringer signal from the forming circuit 22, and an audio reproducing means. Adder circuits 52L and 52 to which the reproduction signal of No. 5 is supplied.
R, and a mode flag MFLG.
The output signal of the 2R is supplied to the headphones 90, and when the audio reproducing means 5 is in the reproducing mode, the reproduced signal of the audio reproducing means 5 is supplied to the headphones 90 through the adder circuits 52L and 52R, and the audio reproducing means 5 is set in the reproducing mode. When a call is received in this state, the level of the reproduction signal supplied from the audio reproduction means 5 to the headphones 90 is reduced, and the ringer signal from the formation circuit 22 is supplied to the headphones 90 through the addition circuits 52L and 52R. When a key operation for receiving an incoming call is performed, the audio reproducing means 5 is set to the stop mode, and the transmission circuit 1 is turned off.
0 and the adding circuit 52L audio signal from the receiving circuit 20 performs incoming call processing of the reception circuit 20, is supplied to the headphone 90 through 52R, and sets the mode flag MFLG
Then, when the audio reproducing means 5 is in the stop mode, a call is received.
When there is, the ringer signal from the forming circuit 22 is added to the adding circuit.
Supply to headphone 90 through 52L, 52R, and receive a call
When a key operation is performed, the transmission circuit 10 and
Performs the incoming call processing of the receiving circuit 20 and sounds from the receiving circuit 20.
The voice signal is supplied to the headphones 9 through the addition circuits 52L and 52R.
It is supplied to the 0, and resets the mode flag MFLG, through
When the key operation for ending the talk is performed, the transmission circuit 10 and the reception
When the communication circuit 20 terminates the call and returns to the standby state
Also, when the mode flag MFLG is set,
Switch audio playback means 5 from stop mode to playback mode
When the mode flag MFLG is reset,
To the audio playback means 5 remains in the stop mode
Mobile phone .

[0008]

[0009]

When there is an incoming call when the audio reproducing means 5 is in the reproducing mode, the reproduction signal L of the audio reproducing means 5
Muting is applied to R, and a ringer signal SR is output from the forming circuit 22, and this ringer signal SR is supplied to the headphones 90 in place of the reproduced signals L and R to notify the user of an incoming call.

[0010] Therefore, when the user performs a key operation for receiving the incoming call, the incoming call process is performed and a state is established in which a telephone call can be made, and the audio reproducing device 5 enters a stop mode.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIG. 1, reference numeral 1 denotes a portable telephone unit. In the portable telephone unit 1, reference numeral 10 denotes a transmitting circuit and reference numeral 20 denotes a receiving circuit. Then, the transmission circuit 10 converts the audio signal from the transmitter 11 into a modulated signal of an up channel, and transmits the modulated signal from the antenna 12 to the base station of the mobile phone system.
Further, the receiving circuit 20 receives the modulated signal of the downlink channel from the base station by the antenna 12, demodulates the audio signal, and outputs the demodulated audio signal to the headphones 9 described later.
Supply 0. Although not shown, the receiving circuit 20 has a muting circuit, and mutes its output signal except during a call.

Further, reference numeral 22 denotes a ringer signal forming circuit at the time of an incoming call, 31 denotes a dial key, 32 denotes operation keys such as a talk key, and 40 denotes a system controller constituted by a microcomputer. And this syscon 4
0, a predetermined control signal is accessed between the transmitting circuit 10 and the receiving circuit 20, and the forming circuit 22 and the keys 31, 32 are also connected to the system controller 40.

Reference numeral 5 denotes a headphone stereo unit.
In the headphone stereo unit 5, reference numeral 50 denotes a main body of a headphone stereo, in this example, a main body (including a circuit and a mechanism) of a portable cassette player such as a Walkman (registered trademark). During playback, left and right channel stereo audio signals L and R are extracted.

Reference numeral 61 denotes a mode key such as a reproduction key;
Reference numeral 70 denotes a system controller constituted by a microcomputer. The output of the mode key 61 is supplied to the system controller 70, and the system controller 70
Is supplied to the main unit 50, and the main unit 50
The operation mode corresponding to the operated key is controlled.

For example, when a reproduction key among the keys 61 is pressed, this is detected by the system controller 70, and the system controller 70
Supplies a predetermined control signal to the main unit 50, and the main unit 50 is set to the reproduction mode, and thus the reproduction signals L and R are output.

Further, an output terminal of the signal L of the main body 50 is connected to a left channel contact of the stereo headphone jack 54 through a signal line of a muting circuit 51L → an addition circuit 52L → amplifier 53L.
The output end of the signal R of the main body 50 is connected to the muting circuit 51.
R → addition circuit 52R → amplifier 53R is connected to the right channel contact of stereo headphone jack 54 through a signal line.

Further, the control signal SM of the muting circuits 51L and 51R is taken out from the system controller 40, and when the portable telephone unit 1 is not operating, muting is not applied to the muting circuits 51L and 51R. I have.

Further, output signals of the receiving circuit 20 and the forming circuit 22 are added to the adding circuits 52L, 52
2R.

Reference numeral 90 denotes stereo headphones.
In use, the plug 91 is inserted into the jack 54.

The processing or operation as a headphone stereo or a portable telephone is performed as follows.

[Reproduction Mode of Headphone Stereo] When the reproduction key of the mode key 61 is pressed when the main body 50 is in the stop mode, for example, the main body 50 is set to the reproduction mode by the system controller 70 as described above, and the reproduction signal L is output. , R are output.

In this case, since the mobile phone unit 1 is not operating, the muting circuit 5 is controlled by the control signal SM.
Muting of 1L and 51R is off (canceled).

Therefore, the signals L and R from the main body 50
Are muting circuits 51L and 51R → addition circuit → 5
The signal is supplied to the plug 91 of the headphone 90 through a signal line of 2L, 52R → amplifier 53L, 53R → jack.

Therefore, the music reproduced on the main body 50 can be listened to by the headphones 90.

[Stop Mode of Headphone Stereo] When the main unit 50 is in, for example, the reproduction mode, when the stop key of the mode keys 61 is pressed, this is detected by the system controller 70, and a predetermined control signal is transmitted from the system controller 70 to the system body 50. The main body 50 is supplied to the stop mode. Therefore, the reproduced signals L and R are not output.

[Incoming Call of Mobile Phone When Headphone Stereo is in Playback Mode] When playback is being performed by the main body 50, the playback sound is being heard from the headphones 90 as described above.

When there is an incoming call in such a state, the incoming call is sent through the receiving circuit 20 to the system controller 4.
0 is notified. Then, the transmission of the transmission circuit 10 is permitted by the system controller 40, a predetermined protocol is executed with the base station, and a communication channel is opened between the mobile phone unit 1 and the base station.

Subsequently, muting of the muting circuits 51L and 51R is turned on by a control signal SM from the system controller 40.

Further, the operation of the formation circuit 22 is permitted by the system controller 40, and a ringer signal SR is formed.
Is supplied to the addition circuits 52L and 52R through the addition circuit 21.

Therefore, the reproduction signals L and R are not supplied to the headphone 90, and the ringer signal SR is supplied. The headphone 90 outputs only a ringer sound indicating an incoming call.

Then, when the talk key among the operation keys 32 is pressed, the press of the talk key is transmitted to the base station, and the base station is set in a state of permitting a call. Also,
The operation of the forming circuit 22 is prohibited by the system controller 40, and the ringer sound from the headphones 90 is stopped.

Further, a command signal for instructing stop of the reproduction of the headphone stereo unit 5 is supplied from the system controller 40 to the system controller 70, and based on the command signal, a predetermined control signal is supplied from the system controller 70 to the system main body 50, and Is set to the stop mode. At this time, in the system controller 40, the mode flag MFLG indicating that the headphone stereo unit 5 was in the playback mode until the incoming call was received.
Is set.

Therefore, thereafter, the mobile phone 1
You can talk to the other party as described below.

[Talk] When talking to the transmitter 11, the voice signal is taken out of the transmitter 11, and the voice signal is supplied to the transmission circuit 10 and transmitted to the base station. Further, the audio signal of the other party is extracted from the receiving circuit 20, and the audio signal is added to the addition circuits 52 L, 5 L through the addition circuit 21.
2R.

Therefore, the transmitter 11 and the headphone 9
0 can be used to talk to the other party. At this time, the headphone stereo unit 5 is in the stop mode.

[Calling of Mobile Phone When Headphone Stereo is in Playback Mode] When the talk key of the operation keys 32 is pressed during playback by the main body 50, the transmission of the transmission circuit 10 by the system controller 40 is performed. The communication is permitted, a predetermined protocol is executed between the base station, and a communication channel is opened between the mobile phone unit 1 and the base station.

Subsequently, a command signal for instructing the reproduction of the headphone stereo unit 5 to be stopped is supplied from the system controller 40 to the system controller 70, and a predetermined control signal is supplied from the system controller 70 to the system body 50 based on the command signal. 50 is a stop mode.

At this time, in the system controller 40, a mode flag MF indicating that the headphone stereo unit 5 was in the reproduction mode until a call (or an incoming call) was made.
LG is set.

Then, when the telephone number of the other party is input from the dial key 31, this is transmitted to the base station, and the telephone of the other party is called.

Then, when the other party answers the telephone, the call with the other party can be made as described above.

[End call] When the call is over, the operation key 3
When the talk key is pressed, the base station is notified of the end of the call, the transmission circuit 10 is prohibited from transmitting, and the communication channel with the base station is closed. Returns to the standby state.

Further, in the system controller 40, the mode flag MFLG is checked, and when the headphone stereo unit 5 is in the reproduction mode until an incoming call or a call is made, the system controller 40 instructs the system controller 70 to reproduce the headphone stereo unit 5. Command signal is supplied, and a predetermined control signal is supplied from the system controller 70 to the main body 50 based on the command signal, and the main body 50 is set to the reproduction mode.

Therefore, thereafter, the music reproduced by the main body 50 can be heard from the headphones 90. In this case, the reproduction is performed from the point that was reproduced at the time when the talk key was pressed to make an incoming call or a call.

When the mode flag MFLG is checked in the system controller 40, and when the headphone stereo unit 5 is in the stop mode until an incoming or outgoing call is made, the system controller 40 does nothing to the system controller 70,
Therefore, even after the end of the call, the headphone stereo unit 5 remains in the stop mode.

[Incoming or outgoing call of mobile phone when headphone stereo is in stop mode] In this case, the same processing as the incoming or outgoing call of mobile phone when the above-mentioned headphone stereo is in playback mode is performed. Incoming call or outgoing call is realized.

However, the mode flag MFLG is reset. Therefore, when the incoming or outgoing call in this case is ended, the headphone stereo unit 5 remains in the stop mode even after the end of the call as described above.

Thus, according to the present invention, since the headphone stereo unit 5 is integrated with the portable telephone, the user always listens to music by the headphone stereo function when carrying the portable telephone, and makes a call or calls when necessary. And can be used conveniently.

In this case, in particular, according to the present invention, when a call is received while listening to music through the headphone stereo unit 5, muting is applied to the reproduced signals L and R of the headphone stereo unit 5. At the same time, since the ringer signal SR for notifying the incoming call to the headphone 90 is supplied, the user can be reliably notified of the incoming call.

Also, during a call, the headphone stereo unit 5 is in the stop mode, so that the power supply battery (not shown) is not wasted.

Furthermore, the headphone stereo unit 5 automatically enters the stop mode by simply performing a key operation for receiving an incoming call, and the headphone 90 functions as a receiver of the mobile phone, so that a general mobile phone receives the incoming call. A call can be received with exactly the same key operation as at the time. That is, a key operation for setting the headphone stereo unit 5 to the stop mode is performed, or the headphone 9 that has been listening to music until then is operated.
No action such as removing 0 from the ear is required.

At the end of the call, the portable telephone unit 1 enters a standby state by one action, and the headphone stereo unit 5 automatically enters the reproduction mode.

Also, at the time of calling, as in the case of receiving a call, the headphone stereo unit 5 can be set to the stop mode to make a call only by performing the calling operation, and the call can be set to the reproduction mode again at the end of the call.

In the above description, the control signal SM at the time of incoming call
During the muting period of the above, the levels of the signals L and R are reduced without completely muting the reproduced signals L and R, and the reproduced signals L and R whose levels are reduced
The ringer signal SR may be mixed with R and supplied to the headphones 90. Alternatively, the stereo headphone unit 5 can be set to the stop mode without muting the reproduction signals L and R at the time of receiving a call.

Also, at the time of calling, the level of the reproduced signals L and R can be similarly reduced from when the first key operation for calling is performed until the other party answers the telephone.

Further, a speaker may be provided at the same time as the headphone 90. Further, the audio signal from the receiving circuit 20 and the ringer signal SR of the forming circuit 22 can be supplied to the adding circuits 52L and 52R without passing through the adding circuit 21.

[0056]

According to the present invention, since the headphone stereo unit 5 is integrated with the portable telephone, the user always listens to music by the headphone stereo function when carrying the portable telephone, and when necessary, makes a call or calls the telephone. And can be used conveniently.

In this case, in particular, according to the present invention, when a call is received while listening to music through the headphone stereo unit 5, muting is applied to the reproduction signals L and R of the headphone stereo unit 5. At the same time, since the ringer signal SR for notifying the incoming call to the headphone 90 is supplied, the user can be reliably notified of the incoming call.

Further, since the headphone stereo unit 5 is in the stop mode during a call, the battery (not shown) for the power supply is not wasted.

Furthermore, the headphone stereo unit 5 automatically enters the stop mode by simply performing a key operation for receiving a call, and the headphone 90 functions as a receiver of the mobile phone, so that a general mobile phone receives the call. A call can be received with exactly the same key operation as at the time. That is, a key operation for setting the headphone stereo unit 5 to the stop mode is performed, or the headphone 9 that has been listening to music until then is operated.
No action such as removing 0 from the ear is required.

At the end of the call, the portable telephone unit 1 enters a standby state by one action, and the headphone stereo unit 5 automatically enters the reproduction mode.

Also, at the time of calling, as in the case of receiving a call, the headphone stereo unit 5 can be set to the stop mode to make a call simply by performing the calling operation, and the call can be set to the reproduction mode again at the end of the call.

[Brief description of the drawings]

FIG. 1 is a system diagram of an example of the present invention.

[Explanation of symbols]

 Reference Signs List 1 mobile phone unit 5 headphone stereo unit 10 transmission circuit 20 reception circuit 22 ringer signal forming circuit 31 dial key 32 operation key 40 system controller 50 headphone stereo main body 51L, 51R muting circuit 61 mode key 70 system controller 90 headphone

Claims (1)

(57) [Claims] 1. A portable telephone having a transmitting circuit, a receiving circuit, a ringer signal forming circuit for notifying an incoming call, and a system controller. means and includes a voice signal from the receiving circuit, and the ringer signal from the formation circuit, an adder circuit for the reproduced signal and is supplied of the audio playback means, and a mode flag, the output signal of the addition circuit was supplied to the headphone, when the audio reproducing means is in the playback mode, the reproduced signal of the audio reproduction means is supplied to the headphone through the adding circuit, said audio reproducing means is an incoming call in a state of the playback mode When there is, the level of the reproduction signal supplied from the audio reproduction means to the headphones is reduced. In addition, the ringer signal from the forming circuit is supplied to the headphones through the adding circuit, and when a key operation for receiving the incoming call is performed, the audio reproducing unit is set to a stop mode, and the transmitting circuit and the the audio signal from the upper Symbol receiving circuit is supplied to the headphone through the addition circuit to an incoming call processing of the reception circuit I line, and sets the mode flag, called the audio reproducing means in a state of the stop mode
The ringer signal from the forming circuit
When the key operation for receiving the incoming call is performed by supplying the signal to the headphone through the arithmetic circuit , the transmission is performed.
Circuit and a receiving circuit of the receiving circuit,
From the headphone through the addition circuit.
And when the mode flag is reset and the key operation for ending the call is performed, the transmission circuit and
When the receiving circuit ends the call and returns to the standby state
In both cases, when the mode flag is set,
Audio playback means from the stop mode to the playback mode
And when the mode flag is reset,
A mobile phone in which audio playback means is kept in the stop mode .