JP2002208996A - Portable apparatus, portable audio signal processor, and portable communication terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a portable apparatus, a portable audio signal processor, and a portable communication terminal for improved usability. SOLUTION: Related to a portable telephone 2, a state notification signal representing own state is notified to a portable reproducer 3 through an earphone jack 11 for delivery of a prescribed signal to the portable reproducer 3. Related to the portable reproducer 3, the state of portable telephone 2 is announced based on the state notification signal notified through an earphone jack 50 for delivery of prescribed signal to the portable telephone 2. A mode switch 17 which, according to the announcement, switches between a first mode for reproducing and a second mode which at least substitutes for a call process with the portable telephone 2, as well as an on-hook button 18 are provided. The call process is substituted when the second mode is activated by either means, for use as a single portable telephone 2 added with a reproducing function, resulting in an improved usability.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable device, a portable audio signal processing device and a portable communication terminal device, for example, a portable device comprising a portable reproducing device using a semiconductor memory as a storage means and a portable telephone. It is suitable for application to equipment.

[0002]

2. Description of the Related Art Conventionally, a portable telephone has been configured to wirelessly exchange various information with another portable telephone via a radio base station, thereby making it possible to communicate with a remote communication partner even when going out. It is designed to facilitate conversation, exchange of e-mail, and the like.

[0003] A portable reproduction device (hereinafter referred to as a portable reproduction device) is provided with a headphone (hereinafter referred to as a portable reproduction device) that allows a user to wear a sound obtained by reproducing a digital audio signal stored in a semiconductor memory. Or an earphone), so that the sound can be easily heard while carrying around even when going out.

[0004]

By the way, the portable telephone and the portable player having such a configuration are rapidly spreading, and with this, many users carry the portable telephone while listening to the sound using the portable player. Has become.

[0005] In this case, the portable player may cause the user to wear the headphones, so that the ring tone, which is the notification of the incoming call from the communication destination of the mobile phone, may be interrupted. In addition, there is a problem that the headphones must be removed, which is inconvenient.

[0006] In order to solve such a problem, there is a method using a switch for relaying an audio signal between a portable player and a portable telephone as necessary.

This switching device includes a jack for connecting a mobile phone,
A portable player jack and a headphone jack are provided, and the portable player and the mobile phone are connected to each other via a predetermined cable having a plug corresponding to each jack. In this case, the switcher supplies a ring tone signal when the mobile phone is notified of the incoming call to the headphones of the portable player.

[0008] The switching device is provided with a microphone on the surface of the housing and an on-hook button for transmitting and receiving an audio signal between the portable player and the mobile phone. And outputs the audio signal input from the microphone to the mobile phone, and supplies the audio signal output from the mobile phone to the headphones of the mobile player.

Therefore, the user can hear the ring tone even when wearing the headphones, and if the user speaks via the microphone after pressing the on-hook button of the switch, the user of the destination of the incoming call notification while wearing the headphones can be heard. Can talk with.

However, according to such a method,
In addition to the portable player and the mobile phone, the switcher must be carried at all times, which places a burden on the user, and is still insufficient to solve such a problem.

The present invention has been made in view of the above points, and has as its object to propose a portable device, a portable audio signal processing device, and a portable communication terminal device which can improve the usability.

[0012]

According to the present invention, in order to solve the above-mentioned problems, a portable communication terminal device checks its own state via a terminal device-side transmitting / receiving means for transmitting and receiving a predetermined signal to and from a portable audio signal processing device. The portable audio signal processing device notifies the portable audio signal processing device of the state notification signal to the portable audio signal processing device, and the portable audio signal processing device transmits and receives a predetermined signal to and from the portable communication terminal device. A first mode for notifying a state of the mobile communication terminal device and performing a predetermined process for hearing a sound from an externally provided audio signal in response to the notification; When the mode is switched to the second mode by the mode switching means for switching to one of the second mode for taking over the call processing, the call processing is performed. By doing so, it can be used as a stand-alone portable communication terminal device having a function of performing a predetermined process for listening to an audio signal provided from the outside, thus improving the usability. obtain.

[0013]

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

(1) Overall Configuration of Portable Device In FIG. 1, reference numeral 1 denotes a portable device as a whole according to the present invention, and a portable playback device connected to the portable phone 2 via an earphone cable 4. Equipment (hereinafter,
This is referred to as a portable player) 3.

The mobile phone 2 includes a circuit board in which various circuit sections of the mobile phone 2 are disposed inside a substantially rectangular casing 5, a power supply section for supplying power to the circuit board, and a battery. Have been.

On the upper surface 5A of the housing 5, a drawer-retractable rod antenna 6 is provided.
A speaker 7 is provided in the vicinity of the upper end of B, and an LCD (Liquid Crystal Displa
The display section 8 of y) is provided.

A numeric keypad 9 including numeric keys 1 to 0 and a transmission key is provided from below the display unit 8 to a lower end of the front face 5B of the housing 5, and a microphone 10 is provided below the numeric keypad. Is provided.

An earphone jack 11 is provided on the left side surface 5C of the housing 5, and the earphone jack 1
When the earphone cable 4 having the earphone plug 4A corresponding to the plug 1 is inserted, the power supply voltage from the power supply unit inside the housing 5 is supplied to the portable player 3 via the earphone cable 4 and the housing 5 Various signals, such as a ring tone signal and a voice signal, are output from the internal circuit board to the portable player 3 via the earphone cable 4.

The portable player 3 has a substantially cylindrical housing 15.
A circuit board on which various circuit units of the portable player 3 are arranged is built in the inside.

A display section 16 made of an LCD is provided on the peripheral side surface of the housing 15, and to the left of the display section 16 is one of a reproduction mode and a call mode in the portable reproducing device 3. And an on-hook button 18 for switching to one of a ringtone signal and a voice signal output from the mobile phone 2 via the earphone cable 4.

An operation unit 19 provided with various operation keys such as a volume up button, a volume down button, a fast forward button, a fast rewind button, a play / stop button, etc., to the left of the mode changeover switch 17 and the on-hook button 18. Is provided on the left side of the operation unit 19.
0 is provided.

Further, an earphone jack 50 is provided at one end of the housing 15, and is connected to the portable telephone 2 via an earphone cable 4 having an earphone plug 4B detachable from the earphone jack 50. In
A headphone jack 54 is provided, and is connected to the headphones 21 via a headphone cable 21A having a headphone plug 21B detachable from the headphone jack 54.

In the portable player 3, a strap (not shown) and a clip (not shown) are provided at predetermined positions on the peripheral side surface of the housing 15, whereby the portable player 3 can be hung from a neck or worn on a jacket. It can be used in a state of being sandwiched between breast pockets.

Therefore, the portable reproducing device 3 allows the user to easily view the display section 16 and also makes the microphone 2
It is designed so that voice can be input from 0.

In the portable device 1, the portable player 3 operates by the power supplied from the portable telephone 2,
Various types of information can be exchanged between the mobile phone 2 and the portable player 3.

(2) Circuit Configuration of Mobile Phone The mobile phone 2 is, as shown in FIG.
Display unit 8, numeric keypad 9, memory 25, signal processing unit 26, and transmission / reception processing unit 2
7 is connected via a bus BUS, and a power supply unit 28 is connected.

The CPU 24 displays various information corresponding to the input operation from the numeric keypad 9 on the display unit 8. CPU2
Numeral 4 controls the transmission / reception processing unit 27 in response to an input operation from the numeric keypad 9 to execute various processes such as a calling process and a call termination process.

That is, the transmission / reception processing unit 27 transmits a control signal to the base station (not shown) via the rod antenna 6 to perform a calling process, and receives an incoming signal from the base station via the rod antenna 6. Upon receiving the notification, the CPU 24 notifies the CPU 24 of the incoming call.

In this case, the CPU 24 generates a ring tone signal S1 and a ring tone display signal S2, outputs these to the portable player 3 (FIG. 1) via the earphone jack 11, and processes the ring tone signal S1. The display unit 8 sends the incoming call display signal S2 to the display unit 8.

The signal processing section 26 amplifies the ring tone signal S1 to a predetermined level and outputs the signal through the speaker 7. The display unit 8 displays an image based on the incoming call display signal S2.

Further, the transmission / reception processing unit 27 generates a received voice signal S3 by amplifying and demodulating the received signal received via the rod antenna 6 during the call processing, and generates the received voice signal S3. Are sequentially output to the portable player 3 (FIG. 1) via the earphone jack 11.

On the other hand, the transmission / reception processing unit 27 modulates the input audio signal input via the microphone 10 or the input audio signal S4 input from the earphone jack 11 via the signal processing unit 26 and then amplifies the signal during call processing. To generate a transmission signal, which is transmitted to the rod antenna 6.
To the base station via.

The power supply unit 28 converts the power supply voltage supplied from the battery 29 into a predetermined internal voltage, and supplies the internal voltage to each circuit block such as the CPU 78 and the transmission / reception processing unit 27, so that the entire portable telephone 2 Drive.

The power supply unit 28 can supply the internal voltage to the portable player 3 (FIG. 1) via the earphone jack 11 as a power supply voltage for driving the entire portable player 3.

Incidentally, the battery 29 supplies the power supply voltage to the power supply unit 28 and also supplies the amplifier circuit (not shown) in the transmission / reception processing unit 27 which does not operate normally with the internal voltage.

Here, the CPU 24 includes a transmission / reception processing unit 27.
The reception status of the transmission / reception processing unit 27 is constantly monitored by comparing the reception level of the reception target with the reception level for the comparison target stored in the memory 25 in advance, and there has been a change in the reception status according to the comparison result. At this time, a reception state display signal S5 indicating the reception state of the transmission / reception processing unit 27 is generated,
This is output to the portable player 3 via the signal processing unit 26 and the earphone jack 11 sequentially.

The CPU 24 constantly monitors the internal voltage supplied from the power supply unit 28. When the internal voltage becomes lower than a predetermined level, the power supply voltage state display signal indicating the power supply state of the mobile phone 2 S6 is generated and output to the portable player 3 via the signal processing unit 26 and the earphone jack 11 sequentially.

As described above, the portable telephone 2 receives the ring tone signal S1, the incoming call display signal S2, the reception state display signal S5, and the power supply voltage state display as the state notification signals for notifying its own state according to the change of its own state. The signal S5 is transferred to the portable player 3
, So that the portable player 3 can be notified of its own status.

By the way, the earphone jack 11 has the structure shown in FIG.
, A ground line 11B, a power supply line 11C, and a mobile phone R (Rig
ht) An audio line 11D, a portable telephone L (Left) audio line 11E, a portable reproducing device microphone line 11F, and a control line 11G between the portable reproducing device and the portable telephone are provided.

Accordingly, when the earphone plug 4A corresponding to each line is inserted, the portable telephone 2 exchanges signals corresponding to each line with the portable player 3 via the respective line and the earphone cable 4 sequentially. Has been made to do between.

The earphone jack 50 has the same structure as the earphone jack 11, and the earphone plug 4B
It has the same structure as the earphone plug 4A.

(3) Circuit Configuration of Portable Reproducer As shown in FIG. 4, the portable player 3 has a USB (Universal)
When the computer device 3 is connected to the serial device (connector) 83 via the USB cable 103, the power supply voltage supplied from the computer device 3 is connected to the power supply circuit 102.
Then, by converting the internal voltage into a predetermined internal voltage and supplying it to the CPU 78 and each circuit block, the entire portable reproducing device 3 is driven.

The portable player 3 converts the digital audio signal D1 bulk-transferred from the computer device 3 into a US signal.
CP via the internal bus 104 by the B controller 79
Supply to U78.

Here, the digital audio signal D1 represents a voice signal representing a voice uttered by a person or an animal, a tone signal representing a regular (with a pitch) sound, and a signal representing another sound. .

The CPU 78 has a ROM (Read-Only Memory)
The digital audio signal D1 is written to the flash memory 80 by controlling the flash memory controller 77 in accordance with the main program read from the RAM 106 to a RAM (Random Access Memory) 105.

Incidentally, the flash memory 80 has a storage capacity of at least 64 [Mbyte], and is a CD (Compact Disc).
The digital audio signal D1 for one or more media can be stored.

The flash memory 80 stores a digital audio signal D compressed and encoded by a predetermined compression method.
A reproduction code for reproducing the digital audio signal D1 in the decompression method corresponding to No. 1 is stored in advance.

Further, in the portable player 3, an EEPROM (Electrica) having a smaller storage capacity than the flash memory 80 is used.
lly Erasable Programmable Read-Only Memory) 72
The so-called FAT (File Allocation Table) such as the number of music pieces of the digital audio signal D1 written in the flash memory 80, the writing position of each music piece in the flash memory 80, and various other types of stored information in the memory. I have.

Thus, the portable player 3 can use the specified number of rewrites in the flash memory 80 only for rewriting the digital audio signal D1, so that the rewriting to the flash memory 80 can be used effectively.

When the portable reproducing device 3 is connected to the portable telephone 2 via the earphone cable 4 having the earphone plug 4B corresponding to the earphone jack 50, the portable reproducing device 3 converts the power supply voltage supplied from the portable telephone 2 into a power supply circuit. By converting the internal voltage into a predetermined internal voltage at 102 and supplying it to the CPU 78 and each circuit block, the entire portable player 3 is driven.

When reproducing the digital audio signal D1 stored in the flash memory 80, the portable reproducing device 3 switches the mode changeover switch 17 to the reproducing mode and turns off the on-hook button 18 (the state in which it is not pressed). It is made to be.

At this time, the microphone switch 31 operates in conjunction with the off state of the on-hook button 18 to connect the microphone connection terminal 31.
The microphone switch 31B is disconnected from A, and the input switch 32 is connected to the ringing tone connection end 32A of the input switch 32C in conjunction with the OFF state of the on-hook button 18.

When the reproduction mode switching command corresponding to the switching operation to the reproduction mode by the mode change switch 17 is given to the CPU 78 via the operation key controller 107 by the user, the portable reproduction device 3 controls the LCD controller 68 by the CPU 78. By controlling, the playback mode status, equalizer adjustment, song number, playback time, sound,
Playback mode display information indicating the processing state of stop, fast forward, fast reverse, and the like is displayed on the display unit 16.

In this playback mode, the portable playback device 3 transmits a playback command corresponding to a user's pressing operation of the playback / stop button of the operation unit 18 by the operation key controller 10.
7 to the CPU 78 via the
A read code and a digital audio signal D1 are read out from the flash memory 80 by the DSP (Dig.
It transfers to a RAM (not shown) of the ital Signal Processor (82).

The DSP 82 expands and reproduces the digital audio signal D1 based on the reproduction code transferred from the flash memory 80, after detecting an error by the CRC (Cyclic Redundancy Check) method, and reproduces the digital audio signal D1 by the digital-to-analog conversion circuit 108. Supply.

Here, the DSP 82 reproduces the digital audio signal D1 from the external crystal oscillator 82A based on the master clock MCLK,
A bit clock B of a predetermined frequency generated by an internal oscillation circuit (not shown) based on the master clock MCLK
CLK and L channel clock LCL in frame units
An operation clock including K, an R channel clock RCLK, and a master clock MCLK is sent to a digital-to-analog converter (D / A).

In this case, when reproducing the digital audio signal D1, the DSP 82 sends the above operation clock to the digital-to-analog conversion circuit 108 in accordance with the reproduction code.
When the reproduction is not performed, the supply of the operation clock is stopped in accordance with the reproduction code and the digital-to-analog conversion circuit 108 is not operated, so that the power consumption of the entire portable reproduction device 3 can be reduced.

The oscillator 8 externally connected to the DSP 82
2A, the CPU 78 and the USB controller 79
Oscillators 78A and 79A made of quartz, respectively.
Are externally attached, and execute predetermined processing using the master clock MCLK supplied from the oscillators 78A and 79A.

Thus, the portable reproducing device 3 is provided with the CPU 78,
A clock generation module for supplying a clock to each of the circuit blocks such as the DSP 82 and the USB controller 79 is not required, so that the circuit configuration can be simplified and the size can be reduced accordingly.

The digital-to-analog conversion circuit 108 converts the reproduced digital audio signal D 1 into an analog audio signal and sends it to the amplifier 109. The amplifier 109 adjusts the analog audio signal to a level corresponding to an operation command from the operation unit 18 based on the control of the CPU 78, and then outputs the signal to the headphones 21 (FIG. 1) via the headphone jack 54 to thereby control the headphone. The sound reproduced from 21 is provided to the user.

In addition, when the portable reproducing device 3 receives the power supply voltage state display signal S6 from the portable telephone 2 via the earphone jacks 11 and 50 sequentially, the CPU 7
8 controls the LCD controller 68 to display a screen based on the power supply voltage state display signal S6 on the display unit 16 so that the user can be urged to replenish the battery 29 of the mobile phone 2 with power. It has been done.

By the way, when the portable reproducing device 3 receives the reception state display signal S5 from the portable telephone 2 via the earphone jacks 11 and 50, the portable reproduction device 3 operates in the reproduction mode, so that it is based on the reception state display signal S5. The display is not displayed on the display unit 16. As a result, the portable player 3 can effectively display only the reproduction mode display information required during the reproduction of the digital audio signal D1 on the display unit 16.

Here, the portable reproducing device 3 transmits the ring tone signal S from the portable telephone 2 through the earphone jacks 11 and 50.
1 and the ringing display signal S2, the ringing sound signal S1 is superimposed on the analog audio signal, so that the ringing sound can be heard while the sound reproduced from the headphones 21 is heard, and the ringing display signal SS is transmitted to the CPU.
The incoming call is displayed on the display unit 16 via the LCD controller 68 based on the control of 78.

As a result, the portable player 3 is connected to the headphones 2
Mobile phone 2 even if you hear the sound played from 1
Can be notified of the incoming call notification to the user.

On the other hand, when the portable player 3 exchanges audio signals with the portable telephone 2 (communication mode), the portable switch 3 switches the mode changeover switch 17 to the talking mode and sets the on-hook button 18 to the on state (pressed down). State).

At this time, the microphone switch 31 operates in conjunction with the ON state of the on-hook button 18 so that the microphone connection end 31A
The microphone switch 31B is connected to the input switch 32.
The input switch 32C is connected to the audio connection end 32B in conjunction with the ON state of the on-hook button 18.

Further, the portable playback device 3 transmits a call mode switching command corresponding to the switching operation to the call mode by the mode switch 17 by the user.
Is supplied to the CPU 78 via the DSP 78 and the DSP 78 and the digital-to-analog conversion circuit 10.
8 is stopped.

By controlling the LCD controller 68 by the CPU 78, the portable player 3 displays on the display unit 16 the call mode display information indicating the call mode state, the equalizer adjustment, the talk time, the sound volume, and the like.

In this call mode, the portable player 3 sends the earphone jacks 11 and 50 from the portable telephone 2.
Is transmitted to the amplifier 109 via the earphone jack 50 and the input switch 32 in sequence.

The amplifier 109 adjusts the received audio signal S3 to a level corresponding to an operation command from the operation section 18 based on the control of the CPU 78, and then outputs the signal to the headphones 21 (FIG. 1) via the headphone jack 54. By
The voice of the communication destination received by the mobile phone 2 via the headphones 21 is provided to the user.

As described above, the portable reproducing device 3 is
Is transmitted to the amplifier 109 without directly transmitting the received audio signal S3 from the headphone jack 54 to the headphone jack 54. After the volume adjustment and the equalizer adjustment of the received audio signal S3 from the mobile phone 2 are performed, the headphone jack 54 is Since the sound can be output to the headphones 21 (FIG. 1) via the headphone, it is possible to provide a sound that is more easily heard by the user.

On the other hand, the portable reproducing device 3
The input audio signal S4 input through the microphone switch 3
1. Output to the mobile phone 2 via the earphone jack 50, and the input voice signal S4 is transmitted to the mobile phone of the communication destination by the mobile phone 2.

Thus, the portable player 3 can have the user talk with the user owning the portable telephone of the communication destination only by operating the mode change switch 17 and the on-hook button 18 without removing the headphones 21. .

In addition, when the portable player 3 receives the reception state display signal S5 from the portable telephone 2 via the earphone jacks 11 and 50, the CPU 78 controls the LCD controller 68 to control the reception state. By displaying a screen based on the display signal S5 on the display unit 16, it is possible to prompt the user to replenish the power of the battery 29 of the mobile phone 2.

Further, when the portable reproducing device 3 receives the power supply voltage status display signal S6 from the mobile phone 2 via the earphone jacks 11 and 50, the portable reproduction device 3 operates in the talking mode, so that the voltage status display signal is received. A screen based on S6 is displayed on the display unit 16. This allows the portable player 3 to have a conversation while visually grasping the reception status of the mobile phone 2 only by operating the mode changeover switch 17 and the on-hook button 18.

(4) Mode Switching Process Procedure in Portable Playback Device Next, a mode switching process by the portable playback device 3 in a state where the portable playback device 3 and the mobile phone 2 are connected via the earphone cable 4 is shown. This will be described with reference to the flowchart shown in FIG.

That is, the CPU 78 of the portable player 3
Step S following the start step of the routine RT1
Move to P1.

At step SP1, the CPU 78
It is determined whether or not the incoming call display signal S2 has been received. If a negative result is obtained here, this means that the portable player 3 connected via the earphone cable 4 has not received the incoming signal from the base station. It waits until the display signal S2 is received.

On the other hand, if an affirmative result is obtained, this means that the portable player 3 connected via the earphone cable 4 has received an incoming signal from the base station. Moves to the next step SP2.

At step SP2, the CPU 78
An incoming call screen is displayed on the display unit 41 based on the incoming call display signal S2, and the process proceeds to step SP3.

At step SP3, the CPU 78
It is determined whether or not the mode switch 17 has been switched to the talking mode. If a negative result is obtained here, this means that the mode changeover switch 17 has not yet been switched from the reproduction mode to the call mode, and at this time, the CPU 78 continues to operate until the mode change switch 17 is switched to the call mode. Await.

On the other hand, if a positive result is obtained, this means that the mode changeover switch 17 has been switched from the reproduction mode to the talking mode.
When the digital audio signal D1 is being reproduced, the reproduction is stopped and the reproduction mode is shifted to the communication mode from the reproduction mode. When the digital audio signal D1 is not reproduced, the U78 is directly shifted from the reproduction mode to the communication mode. Then, the process proceeds to step SP4.

At step SP4, the CPU 78
The display on the display unit 41 is switched from the reproduction mode display information to the call mode display information, and the process proceeds to step SP5.

At step SP5, the CPU 78
It is determined whether or not the mode switch 17 has been switched to the reproduction mode again. If a negative result is obtained here,
This means that the call has not been completed and the mode changeover switch 17 has not been switched to the reproduction mode yet, and at this time, the CPU 78 waits until the mode changeover switch 17 is switched to the reproduction mode.

On the other hand, if an affirmative result is obtained, this means that the telephone conversation has been completed and the mode switch 17 has been switched from the telephone conversation mode to the reproduction mode. When the digital audio signal D1 is stopped in the above-mentioned step SP3, the reproduction is restarted, and the process returns to the step SP1 to return to the incoming call display signal S1.
Wait until you receive.

Note that the CPU 78 executes the above-described step SP
1 to step SP4, the mobile phone 2
When the power supply voltage state display signal S6 is received from
Based on the power supply voltage state display signal S6, the display unit 4 displays, for example, "Power supply is insufficient. Secure power supply."
1 to the mobile phone 2 for the user.
When the reception state display signal S5 is received in step SP4, a screen based on the reception state display signal S5 is displayed on the display unit 16.

(5) State notification processing procedure in mobile phone Next, in a state where the mobile player 3 and the mobile phone 2 are connected via the earphone cable 4, the status notification processing by the mobile phone 2 is shown in FIG. This will be described using the flowchart shown.

That is, the CPU 24 of the mobile phone 2
Step S following the start step of the routine RT2
Move to P11.

In step SP11, the CPU 24
Determines whether there is an incoming call notification. If an affirmative result is obtained, the CPU 24 proceeds to step SP12 to generate a ring tone signal S1 and an incoming call display signal S2, outputs them to the portable player 3, and waits for another incoming call notification.

On the other hand, if a negative result is obtained, CP
U24 proceeds to step SP13 and determines whether or not the reception state has changed. If an affirmative result is obtained here, the CPU 24 proceeds to step SP14 to generate a reception state display signal S5, and outputs this to the portable player 3,
The process returns to step SP11 and waits for another incoming call notification.

If a negative result is obtained in step SP13, the CPU 24 proceeds to step SP15 to determine whether or not the internal voltage has dropped. If an affirmative result is obtained here, the CPU 24 proceeds to step SP16 to generate the power supply voltage state display signal S6, outputs this to the portable player 3, returns to step SP11, and waits again for an incoming call notification.

As described above, the CPU 24 constantly monitors its own various states, and when there is a change in the state, the ring tone signal S1 and the incoming call display signal S2 which notify the state change.
2, or the reception state display signal S5 or the power supply voltage state display signal S6 is generated and output to the portable player 3.

(6) Operation and Effect In the above configuration, in the portable device 1, when the portable playback device 3 is in the playback mode as the first mode, the portable playback device 3 includes the CPU 78 and the DSP 82 as audio signal processing means. Thus, the digital audio signal D1 stored in the flash memory 80 is converted into an analog audio signal, and then amplified to execute a reproduction function of reproducing sound through the headphones 21.

At this time, in the portable device 1, when there is an incoming call notification to the portable telephone 2, the portable telephone 2 outputs a ring tone signal S 1 and an incoming call display signal S 2 to the portable reproducing device 3 via the earphone jack 11. Is notified by the portable player 3 through the headphones 21 and is displayed on the display unit 16 to notify the user of the portable device 1 at that time.

In the portable device 1, the mode switch 17 and the on-hook button 18 of the portable player 3
Is operated, the portable playback device 3 enters the call mode as the second mode. In this case, when the portable playback device 3 is executing the playback function, the playback function is immediately stopped.
The received voice signal S3 transmitted to the mobile phone 2 is output via the headphones 21 and the input voice signal S4 input from the microphone 20 of the mobile player 3 is output to the mobile phone 2.

As described above, in the portable device 1, the playback mode in which the playback function of the portable playback device 3 is executed by operating only the mode switch 17 and the on-hook button 18 in accordance with the notification,
The mobile phone 2 is used as a single mobile phone 2 having a music playback function by switching between one of a call mode and a call mode in which transmission and reception of a voice signal (call mode) with an incoming call notification destination by the mobile phone 2 is switched. Therefore, the usability can be improved.

At this time, the portable device 1 outputs the reception state display signal S5 according to the reception state of the portable telephone 2.
Is supplied to the portable reproducing device 3 and displayed on the display unit 16 by the portable reproducing device 3. Therefore, even if the mobile phone 2 is placed in a bag or the like, a conversation can be made while visually grasping the reception state of the mobile phone 2. Can be done.

Further, in the portable device 1, the power supply voltage status display signal S6 is supplied from the portable telephone 2 to the portable player 3 according to the voltage condition of the portable telephone 2 irrespective of each mode of the portable player 3, and the portable reproducing device 3 Since the display is displayed on the display unit 16 by the device 3, the power supply state of the mobile phone 2 can be visually notified even when the mobile phone 2 is put in a bag or the like.

In addition, in the portable device 1, the earphone plugs 4 corresponding to the earphone jack 50 of the portable player 3 and the earphone jack 11 of the portable telephone 2, respectively.
When the portable telephone 2 is connected to the portable reproducing device 3 via the earphone cable 4 provided with A and 4B, the portable reproducing device 3 is driven by supplying a power supply voltage from the portable telephone 2 to the portable reproducing device 3.

Therefore, the portable device 1 does not require a space for securing a power source such as a dry battery for the portable reproducing device 3 and further does not need to provide a separate connector to the portable telephone 2 for power supply. Can be simplified, and downsizing can be realized as a whole.

According to the above configuration, when the portable device 1 receives the incoming call notification from the mobile phone 2 while executing the audio signal D1 reproducing function by the portable reproducing device 3, the portable device 1 notifies the incoming call notification. When the mode switch 17 and the on-hook button 18 are switched in response to the notification, the portable playback device 3 takes over the call mode of the mobile phone 2 so that a music playback function is added. Thus, it can be used as a single mobile phone 2, and thus the usability can be improved.

(7) Other Embodiments In the above embodiment, a portable device constituted by connecting a portable player 3 as an audio data output device and a portable telephone 2 via an earphone cable 4 1 has been described, but the present invention is not limited to this.
A portable device composed of a portable radio device and a portable telephone 2, or a portable DVD (Digital Versatile Dis
k) portable equipment composed of a player and a mobile phone 2,
Various other portable devices configured by connecting various other audio data output devices to the mobile phone 2 via the earphone cable 4 may be applied.

In this case, the portable device can be used as a single portable telephone 2 having a radio receiving function or a single portable telephone 2 having a video reproducing function, and has various other functions. If the audio data output device is used as an accessory of the mobile phone 2, it can be used as the mobile phone 2 having a function according to the user's preference.

In short, a portable device composed of an audio signal processing device having audio signal processing means (radio receiving function, video reproducing function) for outputting sound based on an externally input audio signal, and a mobile phone 2 Can be applied, whereby it can be used as a single portable communication terminal device having a function of performing a predetermined process for hearing a sound from an externally provided audio signal, and thus, Usability can be improved.

In the above-described embodiment, the CPU 24 serving as the state notification information notifying means reproduces the ring tone signal S1, the ring display signal S2, the reception state display signal S5, and the power supply voltage state display signal S6 as the state notification information in the portable reproduction mode. Although the case where the information is supplied to the device 3 has been described, the present invention is not limited to this, and various other status notification information such as e-mail may be supplied to the portable player 3.

By the way, when the electronic mail is supplied to the portable player 3, the CPU 24 receives the notification of the incoming of the electronic mail from the transmission / reception processing section 27 and outputs the electronic mail in addition to the ring tone signal S 1 and the incoming display signal S 1. Earphone jack 1
1 to the portable reproduction unit 3.

[0107] The portable reproduction section 3 outputs a ringtone based on the ringtone signal S1 to the headphones 21. Also, when the portable reproduction unit 3 receives the incoming call display signal S1 and the e-mail,
The CPU 78 reads an e-mail reading program stored in the ROM in advance, and expands the read program on the RAM, thereby displaying, for example, “mail has arrived” on the display unit 16 based on the incoming call display signal S1.

Here, in the portable reproducing unit 3, when the mode switch 17 is switched from the reproducing mode to the talking mode by the user, the CPU 78 converts the character data of the e-mail into voice data, and converts this into a digital / analog conversion circuit. The voice corresponding to the character data of the e-mail is output via the headphones 21 via the amplifier 108, the amplifier 109 and the headphone jack 54 sequentially.

In this way, the portable device 1 can use the function of the portable telephone 2 by using the portable reproduction unit 3 further, and thus can further improve the usability.

Further, in the above-described embodiment, the case where the mobile phone 2 is used as the mobile communication terminal device has been described. However, the present invention is not limited to this, and other devices such as a PDA (Personal Digital Assistant) having a communication function may be used. May be used.

Furthermore, in the above-described embodiment, a case has been described where the display section 16 and the headphone jack 54 as notification means notify the incoming call notification. However, the present invention is not limited to this, and the notification means such as light emission and vibrator may be used. You may add it. In this case, the incoming call notification can be more reliably notified.

Further, in the above-described embodiment, the case where earphone jacks 50 and 11 as transmission / reception means transmit and receive audio signals via earphone cable 4 has been described. However, the present invention is not limited to this. For example, audio signals may be transmitted and received via infrared or short-range wireless communication such as Bluetooth (trademark). In this case, in the portable device 1, the earphone cable 4 can be avoided, and audio signals can be transmitted and received with a simpler configuration.

Further, in the above-described embodiment, the case where the portable player 3 is driven by the power supply from the portable telephone 2 has been described. However, the present invention is not limited to this, and the portable player 3 may be provided with an internal battery such as a dry battery. A power supply may be provided and driven by the internal power supply. In this case, in the mobile device 1, the power consumption of the mobile phone 2 can be reduced.

Further, in the above embodiment, the CPU 78 and the mode switch 17 as the mode switching means, and the microphone switch 31, the input switch 32 and the on-hook button 18 of the microphone switch 18 are pressed by pressing the on-hook button 18. Although the case where the CPU 78 switches between the switch 31 and the input switch 32 and the CPU 78 stops the reproduction of the digital audio signal D1 and switches the display on the display unit 16 by switching the mode switch 17 has been described, the present invention is not limited to this. , Mode switch 1
By switching 7, the CPU 78 may switch between the microphone switch 31 and the input switch 32 in addition to stopping reproduction of the digital audio signal D1 and switching the display on the display unit 16.

In this case, in the portable device 1, the on-hook button 18 of the portable reproducing device 3 is not required, so that the portable device 1 can be simplified.

Further, in the above-described embodiment, the first
Has been described in which the switching between the reproduction mode as the mode and the call mode as the second mode is manually switched in accordance with the notification of the ring tone or the display of the incoming call. However, the present invention is not limited to this. And CP according to the notification of incoming call display
U78 may be automatically switched.

In this case, regarding the transition from the call mode to the reproduction mode, a time during which the input audio signal S4 is not input to the microphone 20 in the call mode in the portable player 3 is set in advance, and the CPU 78 Monitors the input state of the microphone 20, and when the input audio signal S4 is not input to the microphone 20 for a predetermined time according to the setting, the mode shifts from the call mode to the reproduction mode.

In this way, the switching between the reproduction mode and the call mode can be automatically performed, and the usability can be further improved.

[0119]

As described above, according to the present invention, in a portable communication terminal apparatus for transmitting and receiving a transmission / reception signal wirelessly, a portable audio signal processing apparatus and a terminal apparatus side transmission / reception means for transmitting / receiving a predetermined signal are provided. The portable audio signal processing device notifies the portable audio signal processing device of a state notification signal representing its own state, and the portable audio signal processing device notifies the portable audio signal processing device of the state notified via the processing device-side transmitting / receiving means for transmitting and receiving a predetermined signal to and from the portable communication terminal device. A first process of notifying a state of the mobile communication terminal device based on the notification signal and performing a predetermined process for sounding an audio signal provided from the outside in response to the notification;
And when the mode is switched to the second mode by the mode switching means for switching to at least one of the mode of the portable communication terminal device and the second mode of taking over the call process by the portable communication terminal device, It can be used as a single portable communication terminal device having a function of performing a predetermined process for sounding an audio signal provided from the outside,
Thus, usability can be improved.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing the overall configuration of a portable device according to the present invention.

FIG. 2 is a block diagram illustrating a circuit configuration of the mobile phone.

FIG. 3 is a schematic diagram illustrating a correspondence between an earphone jack and an earphone plug.

FIG. 4 is a block diagram showing a circuit configuration of the portable player.

FIG. 5 is a flowchart showing a mode switching processing procedure in the portable player.

FIG. 6 is a flowchart showing a procedure for outputting a status notification signal in the mobile phone.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Portable device, 2 ... Mobile phone, 3 ... Portable reproducing device, 4 ... Earphone cable, 11, 50 ... Earphone jack, 8, 16 ... Display unit, 17 ... Mode switch, 18 ... ... On-hook button, 19 ... Operation unit,
10, 20… microphone, 21… headphone,
24, 78 ... CPU, 28 ... power supply unit, 29 ... battery, 31 ... microphone switcher, 32 ... input switcher, 5
4 Headphone jack, 82 DSP, 108
... Digital / analog conversion circuit, 109 ... Amplifier.

Claims (9)

[Claims] 1. A portable communication terminal device for wirelessly transmitting and receiving a transmission signal and a reception signal, and a portable audio signal processing device for performing a predetermined process for hearing a sound from an externally provided audio signal. Wherein the portable communication terminal device transmits and receives a predetermined signal to and from a portable audio signal processing device, and transmits / receives a predetermined signal to the portable communication terminal device. State notification signal providing means for notifying the portable audio signal processing device of a status notification signal to be represented to the portable audio signal processing device, wherein the portable audio signal processing device transmits and receives the predetermined signal to and from a portable communication terminal device. Notification means for notifying the state of the portable communication terminal device based on the state notification signal notified via the processing device-side transmission / reception means; and the notification A mode switching means for switching to one of a first mode for performing a predetermined process for listening to the sound and a second mode for taking over at least a call process by the portable communication terminal device, A portable device, comprising: a call processing unit that takes over the call processing when the mode is switched to the second mode by the mode switching unit. 2. The power supply means for supplying power to the state notification signal providing means and supplying the power supply to the portable audio signal processing device via the terminal device side transmitting / receiving means. The mobile device according to claim 1, wherein: 3. The portable device according to claim 1, wherein the processing device-side transmitting / receiving means and the terminal device-side transmitting / receiving means are earphone jacks. 4. A portable audio signal processing device for performing a predetermined process for hearing a sound from an externally provided audio signal, comprising: a transmitting / receiving means for transmitting / receiving a predetermined signal to / from a portable communication terminal device; Notification means for notifying the status of the mobile communication terminal device based on a status notification signal indicating the status of the mobile communication terminal device notified via the transmission / reception means, and for sounding the sound in response to the notification Mode switching means for switching to one of a first mode for performing a predetermined process, and a second mode for taking over at least a call process by the portable communication terminal device; A portable audio signal processing device comprising: a call processing means for taking over the above-mentioned call processing when switched. 5. A portable audio signal processing apparatus according to claim 4, wherein said portable audio signal processing apparatus is driven based on a power supply supplied through said transmission / reception means. 6. The portable audio signal processing device according to claim 4, wherein said transmission / reception means is an earphone jack. 7. A portable communication terminal device for wirelessly transmitting / receiving a transmission / reception signal and a reception signal. A portable communication terminal device comprising: a state notification signal providing unit that notifies a state notification signal to the portable audio signal processing device. 8. A power supply means for supplying power to said status notification signal providing means and for supplying said power supply to said portable audio signal processing device via said transmission / reception means. A mobile communication terminal device according to claim 1. 9. The portable communication terminal device according to claim 7, wherein said transmission / reception means is an earphone jack.