JP2007295512A - Pc adaptor apparatus, pc signal reproduction system, pc signal reproduction method, pc signal reproduction program, output apparatus control program, pc adaptor apparatus control program, and pc control program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable a personal computer (PC) adaptor apparatus or the like to reproduce audio signals or the like in a room other than a room where a PC is installed and to control the PC as a reproduction apparatus. <P>SOLUTION: The personal computer (PC) adaptor apparatus comprises: an adaptor side signal input terminal that can be connected to a headphone terminal of a PC; a control signal output terminal that can be connected to a microphone terminal of the PC; a plug part that can be connected to an outlet jack; a digital converting part 10 that converts an audio signal, which is input from the adaptor side signal input terminal, to a digital signal; an adaptor side power line transmission part 11 that transmits the audio signal via the power line connected to the plug part; an adaptor side power line reception part 12 that receives, via the power line connected to the plug part, a control signal of the PC transmitted from an output apparatus; and an analog converting part 13 that converts the control signal to an analog signal and outputs it from the control signal output terminal. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a personal computer adapter device, a personal computer signal reproduction system, a personal computer signal reproduction method, a personal computer signal reproduction program, an output device control program, and a personal computer for reproducing audio signals and image signals by a personal computer. The present invention relates to an adapter device control program and a personal computer control program.

Conventionally, for example, a speaker system described in Patent Document 1 has been proposed as a technique for transmitting audio data from an audio data transmitting apparatus (information transmitting apparatus) such as a CD player or a DVD player to a plurality of reproducing speakers. ing.
In this speaker system, audio data is transmitted from a single audio data transmission device to a plurality of reproduction speakers installed wirelessly. This makes it possible to reproduce different types of audio data on the respective reproduction speakers.
In recent years, audio signals such as music or image signals such as still images and moving images recorded on a CD, DVD, HDD or the like by a personal computer can be output to an external output device (speaker or display device) and reproduced. Has been done.

JP 2001-275194 A

The following problems remain in the conventional technology.
That is, the conventional speaker system is based on the premise that playback is performed from a plurality of speakers in one room, and when the viewer moves to another room (for example, when moving from a living room to a kitchen or bathroom). Is not considered. For this reason, when performing playback by moving to another room, it is necessary to carry a playback device such as a CD player or a personal computer in the moved room. Even if the playback device and an output device such as a speaker installed in another room are connected wirelessly etc., if the user wants to change the performance song or perform fast-forwarding, the viewer can go to the room where the playback device is located. I had to move and operate the playback device. In particular, when playing audio signals or image signals on a personal computer, it is not a dedicated music or video playback device such as a CD player or DVD player. It has been necessary to control the change of the musical composition by operating a keyboard, a mouse, and the like based on the music or video software program.

  The present invention has been made in view of the above-described problems, and can reproduce an audio signal or the like in a room different from the room in which the personal computer is installed, and can also control the personal computer which is a reproduction apparatus. It is an object to provide a personal computer adapter device, a personal computer signal reproduction system, a personal computer signal reproduction method, a personal computer signal reproduction program, an output device control program, a personal computer adapter device control program, and a personal computer control program. .

  The present invention employs the following configuration in order to solve the above problems. That is, the personal computer adapter device of the present invention has an adapter-side signal input terminal that can be connected to a PC-side signal output terminal for audio signals or image signals of a personal computer, and a control that can be connected to an analog signal input terminal of the personal computer. A signal output terminal; a plug portion connectable to a power line outlet jack; a digital conversion portion that converts the audio signal or the image signal input from the adapter-side signal input terminal into a digital signal; and the converted audio An adapter-side power line transmitter that transmits a signal or the image signal through a power line connected to the plug unit, and a control signal of the personal computer transmitted from an output device connected to the power line is connected to the plug unit. Adapter-side power received via a power line Characterized in that it comprises a line receiver, an analog converter portion in which the control signal received into an analog signal output from the control signal output terminal.

  The personal computer signal reproduction system of the present invention includes the personal computer adapter device of the present invention, the PC side signal output terminal to which the audio signal or image signal is output and the adapter side signal input terminal is connected, and the analog signal. A personal computer having an analog signal input terminal connected to a control signal output terminal and connected to the power line via the personal computer adapter device; and an output device connected to the power line, the output device comprising: An output-side power line receiving unit connected to a power line and receiving the audio signal or the image signal via the power line, an output unit for reproducing the received audio signal or the image signal, and input of a control signal of the personal computer An operation unit to perform and the input control signal to the personal A control signal transmission unit for transmitting to a computer adapter device via a power line, and the personal computer controls the output of the audio signal or the image signal based on the control signal input from the analog signal input terminal. It has the control part which performs.

  In the personal computer signal reproduction method of the present invention, the control signal transmission unit of the output device connected to the power line transmits the input personal computer control signal via the power line, and the adapter side of the personal computer adapter device A power line receiving unit receiving the control signal via a plug unit connected to a power line outlet jack; and the analog conversion unit of the personal computer adapter device converts the received control signal into an analog signal. And an analog conversion unit of the adapter device for the personal computer converts the converted control signal from the analog signal input terminal to the personal computer via a control signal output terminal connected to the analog signal input terminal of the personal computer. Out A step of performing control related to output of an audio signal or an image signal based on the control signal input from the analog signal input terminal, and a control unit of the personal computer, Outputting the audio signal or the image signal from the PC-side signal output terminal based on the control; and an adapter-side signal input terminal in which the digital conversion unit of the personal computer adapter device is connected to the PC-side signal output terminal. Converting the audio signal or the image signal input from the digital signal into an adapter-side power line transmission unit of the personal computer adapter device, the converted audio signal or the image signal to the plug unit Via connected power lines Transmitting, an output-side power line receiving unit of the output device receiving the audio signal or the image signal via a power line, and an output unit of the output device receiving the audio signal or the image signal And a step of reproducing.

  In the personal computer signal reproduction program of the present invention, the control signal transmission unit of the output device connected to the power line transmits the input personal computer control signal via the power line, and the adapter side of the personal computer adapter device A power line receiving unit receiving the control signal via a plug unit connected to a power line outlet jack; and the analog conversion unit of the personal computer adapter device converts the received control signal into an analog signal. And an analog conversion unit of the personal computer adapter device sends the converted control signal from the analog signal input terminal to the personal computer via a control signal output terminal connected to the analog signal input terminal of the personal computer. Pew A control unit of the personal computer, a step of performing control related to output of an audio signal or an image signal based on the control signal input from the analog signal input terminal, and a control unit of the personal computer A step of outputting the audio signal or the image signal from a PC-side signal output terminal based on the control; and an adapter-side signal in which a digital conversion unit of the personal computer adapter device is connected to the PC-side signal output terminal A step of converting the audio signal or the image signal input from the input terminal into a digital signal; and an adapter-side power line transmission unit of the adapter device for the personal computer includes the plug of the converted audio signal or the image signal. Power line connected to the section Transmitting the output signal, the output power line receiver of the output device receives the audio signal or the image signal via a power line, and the output device of the output device receives the audio signal or the And causing the computer to execute the step of reproducing the image signal.

  In these personal computer adapter devices, personal computer signal reproduction systems, personal computer signal reproduction methods, and personal computer signal reproduction programs, control signals for the personal computer (song selection, reproduction, stop, fast forward, fast reverse) are provided on the output device side such as a speaker. Etc.) is input and transmitted via the power line, the adapter side power line receiver of the personal computer adapter device receives it via the power line and passes it from the analog signal input terminal of the personal computer to the personal computer. Since the data is output, the personal computer can control the output of the audio signal or the image signal based on the control signal from the output device. Then, based on the control signal, an operation signal input from the output device side by transmitting an audio signal or an image signal from the PC side signal output terminal of the personal computer to the output device side by power line communication through the adapter device for personal computer. Audio signals or image signals can be reproduced by the output device.

  In this way, the personal computer can be remotely operated from the output device side via the personal computer adapter device without directly operating the personal computer that is the playback device. In addition to performing signal input / output using the analog signal output terminal and PC-side signal output terminal that are normally provided in personal computers, adding hardware transmission / reception functions such as adding power line communication transmission / reception functions to personal computers There is no need to install a control software program. In addition, since the personal computer bears the decoding load related to the control signal, the manufacturing cost of the personal computer adapter device itself can be reduced.

  The adapter device for a personal computer of the present invention can be connected to a power input terminal of the personal computer, and converts an AC voltage from a power line into a DC voltage via the plug portion and supplies the AC-DC to the personal computer. A conversion unit is provided. Since this personal computer adapter device includes an AC-DC converter, it can also be used as a DC power adapter for a personal computer.

In the personal computer adapter device of the present invention, the PC-side signal output terminal is a headphone terminal that outputs the audio signal that is an analog signal, and the analog signal input terminal is a microphone terminal or a line input terminal. It is characterized by that. That is, in this personal computer adapter device, a headphone jack that is normally built in as a PC-side signal output terminal and a microphone terminal or line input terminal that is normally built in as an analog signal input terminal are used. These terminals, which are mounted as standard, can be used for reproduction by an external output device and a control signal can be input from the output device.
In the present specification, the headphone terminal includes an earphone terminal.

According to another aspect of the present invention, there is provided a personal computer adapter device including a PC cable including an input cable having the adapter-side signal input terminal and an output cable having the control signal output terminal, and a playback device separate from the personal computer. A playback device cable having a playback device input / output terminal that is detachably connected to the audio signal output terminal and the control signal input terminal, the PC cable, the digital conversion unit, and the analog conversion unit can be connected. And a PLC-side connector portion that can connect the playback device cable to the digital conversion portion and the adapter-side power line receiving portion, and the PC cable and the playback device cable are connected to the PLC-side connector portion. Common connector parts that are detachably connected to each other and have the same connector shape. Characterized in that it comprises.
That is, this personal computer adapter device includes a reproduction device cable having a common connector portion having the same connector shape as that of the PC cable. Therefore, the reproduction device cable is shared by the PLC side connector portion instead of the PC cable. By connecting at the connector portion, other playback devices can also play back with an external output device. When connected to another playback device, a control signal corresponding to the playback device can be output from the playback device input / output terminal. In other words, in order to output a control signal set in advance for each playback device, it is possible to cope with this by simply changing the firmware provided in the adapter-side power line receiver. Therefore, the hardware can be shared, the cost can be reduced, and not only a personal computer but also various playback devices can be easily handled.

  The output device control program of the present invention includes a step in which a control signal transmission unit of an output device connected to a power line transmits an input control signal of a personal computer via a power line, and an output side power line reception unit of the output device Receiving the audio signal or the image signal via the power line, and causing the output unit of the output device to execute the step of reproducing the received audio signal or the image signal by the computer, and outputting the output of the output device The audio signal or the image signal received by the side power line receiver is received by the personal computer adapter device via the power line, converted into an analog signal, and output to the personal computer based on the control signal. Appears in the personal computer adapter device. Characterized in that is the personal computer adapter device is obtained by transmitting through the power line is converted to a digital signal.

  According to the personal computer adapter device control program of the present invention, the adapter-side power line receiver of the personal computer adapter device receives the personal computer control signal transmitted from the output device connected to the power line via the power line. Receiving via a plug unit connected to the personal computer, an analog converter of the personal computer adapter device converting the received control signal into an analog signal, and an analog converter of the personal computer adapter device Outputting the converted control signal from the analog signal input terminal to the personal computer via a control signal output terminal connected to the analog signal input terminal of the personal computer; The digital conversion unit of the adapter device for a computer receives an audio signal or an image signal output from the PC side signal output terminal by the personal computer based on the control signal from an adapter side signal input terminal connected to the PC side signal output terminal. The step of inputting and converting into a digital signal, and the adapter-side power line transmission unit of the adapter device for personal computer uses the output device through the power line connected to the plug unit for the converted audio signal or the image signal. And transmitting to the computer.

  Further, according to the personal computer adapter device control program of the present invention, an audio signal output terminal and a control signal input terminal of the playback device different from the personal computer, the digital conversion unit, and the adapter-side power line receiving unit are for the playback device. A step of converting the control signal into a signal corresponding to the reproduction device and outputting the control signal to the control signal input terminal via the reproduction device cable, when connected to each other by a cable and switching input to the reproduction device; The computer is executed.

  According to the personal computer control program of the present invention, the personal computer control unit receives the personal computer adapter device from the output device via the power line and converts the analog signal into an analog signal, via the control signal output terminal of the personal computer adapter device. A step of performing control related to output of an audio signal or an image signal based on a control signal input from an analog signal input terminal, and the control unit is configured to perform an adapter-side signal of the adapter device for the personal computer based on the control. And causing the computer to execute the step of outputting the audio signal or the image signal from a PC-side signal output terminal connected to the input terminal.

The present invention has the following effects.
That is, according to the present invention, it is possible to remotely operate the personal computer from the output device side via the personal computer adapter device without directly operating the personal computer, and in a room different from the room where the personal computer is installed. The installed output device can also reproduce an audio signal or an image signal having a desired content. In addition to performing signal input / output using the analog signal output terminal and PC-side signal output terminal that are normally provided in personal computers, adding hardware transmission / reception functions such as adding power line communication transmission / reception functions to personal computers Since there is no need to install a control software program, the personal computer is not expensive, and external reproduction and remote control can be easily performed even with a normal personal computer.

  1st of personal computer adapter device, personal computer signal reproduction system, personal computer signal reproduction method, personal computer signal reproduction program, output device control program, personal computer adapter device control program, and personal computer control program according to the present invention. Embodiments will be described with reference to FIGS. 1 to 5.

  As shown in FIGS. 1 to 3, the personal computer adapter device 1 of the present embodiment includes a notebook personal computer 2 via a power line L that is wired to a general house or the like and supplies power to a plurality of electronic devices. This is an adapter for reproducing and outputting the audio signal output from the external speaker device (output device) 3 installed in another room or the like.

  This personal computer adapter device 1 includes an adapter-side signal input terminal 6 that can be connected to a headphone terminal (PC signal output terminal of an audio signal that is an analog signal) 4 of a personal computer 2, and a microphone terminal (analogue) of the personal computer 2. Digital signal for converting the audio signal input from the control signal output terminal 7 connectable to the signal input terminal 5, the plug portion 9 connectable to the outlet jack 8 of the power line L, and the adapter-side signal input terminal 6 into a digital signal. The conversion unit 10, the adapter-side power line transmission unit 11 that transmits the converted audio signal via the power line L connected to the plug unit 9, and the personal computer 2 transmitted from the external speaker device 3 connected to the power line L Control signal is received via the power line L connected to the plug unit 9. The adapter side power line receiver 12 for a control signal received and an analog converter 13 for outputting the control signal output terminal 7 is converted into an analog signal.

  Further, the personal computer signal reproduction system of the present embodiment includes the above personal computer adapter device 1, the headphone terminal 4 to which the audio signal is output and the adapter side signal input terminal 6 is connected, and the analog signal to the control signal output terminal. 7 includes a personal computer 2 having a microphone terminal 5 connected to the power line L via a personal computer adapter device 1 and an external speaker device 3 connected to the power line L.

  The external speaker device 3 is connected to the power line L, receives an output side power line receiver 14 that receives an audio signal via the power line L, an output unit 15 that reproduces the received audio signal, and inputs control signals of the personal computer 2. A control signal transmission unit 17 that transmits the input control signal to the personal computer adapter device 1 via the power line L, and a liquid crystal display unit that displays information related to the playback content of the received audio signal ( Display unit) 18.

The output unit 15 includes an amplifier unit 19 that amplifies the audio signal from the output-side power line receiving unit 14 and a speaker unit 20 that outputs the amplified audio signal as a sound.
As shown in FIG. 4, the operation unit 16 is installed in front of the external speaker device 3 and includes a plurality of operation buttons 21 corresponding to the control signals of the personal computer 2. The operation unit 16 is connected to the control signal transmission unit 17.

The personal computer 2 includes a control unit C that performs control related to output of an audio signal based on a control signal input from the microphone terminal 5.
Further, the personal computer adapter device 1 can be connected to the power input terminal 22 of the personal computer 2 with a power plug 23a, and converts the AC voltage from the power line L into a DC voltage via the plug portion 9 to the personal computer 2. An AC-DC converter 23 is provided. The personal computer 2 is supplied with electric power from the AC-DC converter 23 and can be charged into a built-in rechargeable battery (not shown).

The adapter side signal input terminal 6 and the control signal output terminal 7 are connected to the digital conversion unit 10 and the analog conversion unit 13 by cable lines 6a and 7a, respectively.
The power plug 23a is connected to the AC-DC converter 23 by a power line 23b.

  The personal computer 2 can store and store audio data such as music in a built-in HDD, non-volatile memory (not shown) or the like, and a software program for reproducing the stored audio data is installed. The personal computer 2 stores audio data in the MP3 (MPEG Audio Layer III) format, the WAVE format, and the like, and has a storage area of several hundred megabytes to several tens of gigabytes.

  It should be noted that data processing units in the personal computer signal reproduction system, personal computer adapter device 1, personal computer 2 and external speaker device 3, that is, adapter side power line transmission unit 11, adapter side power line reception unit 12, and output side power line reception. The unit 14, the control signal transmission unit 17, the digital conversion unit 10, the analog conversion unit 13, the control unit C, and the like may be realized by dedicated hardware, and each processing unit is a memory as a computer system. And a CPU (central integrated device), and the functions of each processing unit and the functions for realizing the audio data communication method and playback method of the present embodiment, which will be described later, are loaded into a memory and executed. It may be allowed.

That is, the program is a computer-readable program, and may be for realizing a part of the functions described above and a personal computer signal reproduction method described later. In particular, the control unit C of the personal computer 2 is set to execute each command based on installed software.
Furthermore, the program may be a so-called difference file (difference program) that can realize the above-described functions in combination with a program already recorded in the computer system.

The program may be transmitted from a computer system storing the program in a storage device or the like to another computer system via a transmission medium or by a transmission wave in the transmission medium. The transmission medium refers to a medium having a function of transmitting information, such as a network (communication network) such as the Internet or a communication line (communication line) such as a power line or a telephone line.
In addition, the memory includes a non-volatile memory such as a hard disk device, a magneto-optical disk device, and a flash memory, a recording medium that can only be read such as a CD-ROM, and a volatile memory such as a RAM (Random Access Memory). Or it shall consist of a computer-readable recording medium by these combination, and a writable recording medium.

  Next, an audio signal reproduction method by the personal computer signal reproduction system of this embodiment will be described with reference to FIGS.

First, a software program dedicated to audio data reproduction is started in the personal computer 2.
In the case where the viewer is in a room different from the personal computer 2 and in which the external speaker device 3 is installed, first, any operation in the operation unit 16 of the external speaker device 3 connected to the power line L will be described. When the button 21 is pressed by the viewer, the control signal transmission unit 17 transmits a control signal corresponding to the operation button 21 via the power line L.
Next, the adapter-side power line receiving unit 12 of the personal computer adapter device 1 receives the control signal via the plug unit 9 connected to the outlet jack 8 of the power line L.

Further, the analog conversion unit 13 of the personal computer adapter device 1 converts the received control signal into an analog signal.
The analog control unit 13 of the personal computer adapter device 1 outputs the converted control signal from the microphone terminal 5 to the personal computer 2 via the control signal output terminal 7 connected to the microphone terminal 5 of the personal computer 2.

Next, the control unit C of the personal computer 2 performs the decoding related to the control signal input from the microphone terminal 5 based on the installed software program, and as shown in FIG. 5, based on the decoded control signal. Then, control relating to output of the audio signal is performed (step S1). At this time, when the control signal is a reproduction signal of a predetermined audio file (step S2), the control unit C outputs the audio signal of the predetermined audio file from the headphone terminal 4 (step S3).
The digital conversion unit 10 of the personal computer adapter device 1 converts the audio signal input from the adapter-side signal input terminal 6 connected to the headphone terminal 4 into a digital signal.

Further, the adapter-side power line transmission unit 11 of the personal computer adapter device 1 transmits the converted audio signal to the external speaker device 3 via the power line L connected to the plug unit 9.
The output side power line receiving unit 14 of the external speaker device 3 receives an audio signal via the power line L, the amplifier unit 20 of the output unit 15 amplifies the received audio signal, and the speaker unit 20 outputs the audio signal as a sound. Play by outputting.

  When the audio signal includes information related to the playback content, the information related to the playback content is displayed on the liquid crystal display unit 18, so that the playback content such as the song title and artist name can be confirmed on the external speaker device 3 side. .

  When the control signal transmitted from the external speaker device 3 is not a reproduction signal but a file feed or file return control signal (step S4), the control unit C performs file feed of a predetermined audio file using the file feed control signal. In response to the file return control signal, the control unit C instructs the file return of a predetermined audio file (steps S5 and S6). An audio signal that has been file-fed or file-returned based on the command of the control unit C is transmitted to the external speaker device 3 through the personal computer adapter device 1 and the power line L in the same procedure as the above processing, and is reproduced. Done. When the control signal is a reproduction stop signal (step S6), the control unit C stops reproduction (step S7), and reproduction output in the external speaker device 3 is stopped.

  As described above, in this embodiment, the personal computer 2 can be remotely operated from the external speaker device 3 side via the personal computer adapter device 1 without directly operating the personal computer 2. Therefore, when the viewer operates the external speaker device 3 in a room different from the room in which the personal computer 2 is installed, desired audio data can be reproduced without moving the room. Is possible.

  Further, it is necessary to change or add hardware such as performing signal input / output using the headphone terminal 4 and the microphone terminal 5 provided in the personal computer 2 and adding a power line communication transmission / reception function to the personal computer 2. In addition, since only the control software program needs to be installed, the personal computer 2 does not become expensive, and the ordinary personal computer 2 can easily perform external reproduction and remote operation.

Further, since the personal computer 2 bears the decoding load related to the control signal, the manufacturing cost of the personal computer adapter device 1 itself can be reduced.
Furthermore, since the personal computer adapter device 1 includes the AC-DC converter 23, it can also be used as a DC power adapter for the personal computer 2.

  Next, the personal computer adapter device, personal computer signal reproduction system, personal computer signal reproduction method, personal computer signal reproduction program, output device control program, personal computer adapter device control program, and personal computer control program according to the present invention will be described. Two embodiments will be described below with reference to FIGS. Note that, in the following description of the embodiment, the same components described in the above embodiment are denoted by the same reference numerals, and the description thereof is omitted.

  The difference between the second embodiment and the first embodiment is that, in the first embodiment, as a dedicated cable for a personal computer, a cable wire 6a having an adapter-side signal input terminal 6 and a cable wire 7a having a control signal output terminal 7 are provided. Whereas the personal computer adapter device 100 of the second embodiment is fixedly connected to the digital conversion unit 10 and the analog conversion unit 13, as shown in FIGS. 6 to 8, it is another playback device. In order to enable connection of the portable audio player 102A and the mobile phone 102B, a PC cable 123, which is a dedicated cable for a personal computer, is detachably connected to the digital conversion unit 10 and the analog conversion unit 13, and the portable audio player 102A. And removably connectable to mobile phone 102B A portable player cable (reproducing device cable) 123A and mobile phone cable (reproducing device cable) is that it includes a 123B.

  That is, in the personal computer adapter device 100 of the second embodiment, the PC cable 123 including the input cable 106a having the adapter-side signal input terminal 6 and the output cable 107a having the control signal output terminal 7, and the portable audio player A portable player cable 123A having a playback device input / output terminal 106A detachably connected to an audio signal output terminal (headphone terminal: not shown) and a control signal input terminal (remote terminal: not shown) of 102A; A cellular phone cable 123B having a playback device input / output terminal 106B detachably connected to an audio signal output terminal (headphone terminal: not shown) and a control signal input terminal (remote terminal: not shown) of 102B; Cable 123 and digital PLC side connector part 104 which can connect cable converter part 10 and analog converter part 13 and can connect portable player cable 123A or mobile phone cable 123B with digital converter part 10 and adapter side power line receiving part 12. And.

The PC cable 123, the portable player cable 123A, and the mobile phone cable 123B each include a common connector portion 105 that is detachably connected to the PLC-side connector portion 104 and has the same connector shape.
The PC cable 123, the portable player cable 123A, and the mobile phone cable 123B all have a DC line (not shown) that can be connected to the AC-DC converter 23, and the personal computer 2, portable computer The audio player 102A and the mobile phone 102B can be charged via a DC line.

  The portable audio player 102A has a built-in HDD or memory for recording audio data, and includes a cradle 106 to which a charging DC line and the portable player cable 123A are connected. The mobile phone 102B has a built-in HDD or memory for recording audio data, and has an audio playback function.

  The personal computer adapter device 100 connects the personal computer 2 and the PLC-side connector unit 104 with the PC cable 123 when playing back with the personal computer 2, but when playing back with the portable audio player 102A, As shown in FIG. 8, the PC connector 123 is removed, and the common connector portion 105 of the portable player cable 123A is connected to the PLC-side connector portion 104, and the playback device input / output terminal 106A is connected to the cradle 106 of the portable audio player 102A. Are connected to an audio signal output terminal and a control signal input terminal.

Further, when reproduction is performed by the mobile phone 102B, the PC cable 123 or the portable player cable 123A connected to the PLC side connector unit 104 is removed, and the common connector unit 105 of the mobile phone cable 123B is connected to the PLC side connector unit. The playback apparatus input / output terminal 106B is connected to the audio signal output terminal and the control signal input terminal of the mobile phone 102B.
Furthermore, the firmware in the adapter-side power line receiver 12 is changed for the connected portable audio player 102A or mobile phone 102B by the switching input of the playback device from the personal computer adapter device 100 itself or the external speaker device 3, The control signal transmitted from the external speaker device 3 is set so as to be converted into a control signal corresponding to the portable audio player 102A or the mobile phone 102B and output.

  In other words, the personal computer adapter device 100 includes the portable player cable 123A and the mobile phone cable 123B having the common connector portion 105 having the same connector shape as the PC cable 123. By connecting the portable player cable 123A or the mobile phone cable 123B to the PLC-side connector unit 104 through the common connector unit 105, the portable speaker unit 102A and the mobile phone 102B can also be reproduced by the external speaker device 3.

  Further, when connected to these other playback devices (portable audio player 102A and mobile phone 102B), control signals corresponding to the playback devices can be output from the playback device input / output terminals 106A and 106B. That is, in order to output a control signal set in advance for each playback device, it is possible to cope with it by simply changing the firmware. Therefore, the hardware can be shared, and it is possible to deal with each playback device by exchanging an inexpensive cable, so that the cost can be reduced. Further, it is not necessary to cope with copyright protection and a different compression method for each reproduction apparatus. As a result, not only the personal computer 2 but also various playback devices such as the portable audio player 102A and the mobile phone 102B can be easily and inexpensively supported.

  The technical scope of the present invention is not limited to the above embodiments, and various modifications can be made without departing from the spirit of the present invention.

In each of the above embodiments, the notebook personal computer 2 is employed, but a desktop personal computer, a PDA, or the like may be used.
Further, although the microphone terminal 5 is used as an analog signal input terminal of the personal computer 2, a line input terminal may be used similarly.

In each of the above-described embodiments, sound reproduction is performed using the audio signal from the personal computer 2, but image (video) reproduction using an image signal (including a video signal) may be performed. In this case, an image display device such as a liquid crystal display is employed as the output device connected to the power line L.
Further, Dolby (registered trademark) control, equalizer control, and the like may be performed on the external speaker device 3 side.

Personal computer adapter device, personal computer signal reproduction system, personal computer signal reproduction method, personal computer signal reproduction program, output device control program, personal computer adapter device control program, and personal computer control program according to the first embodiment of the present invention FIG. 2 is a configuration diagram showing an adapter device for a personal computer. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an overall configuration diagram showing a personal computer signal reproduction system and a perspective view of a main part showing a connection between a personal computer adapter device and a personal computer in the first embodiment. 1 is an overall block configuration diagram showing a personal computer signal reproduction system according to a first embodiment. It is a front view which shows an external speaker apparatus about 1st Embodiment. 4 is a flowchart in a control unit in the personal computer signal reproduction method according to the first embodiment. Personal computer adapter device, personal computer signal reproduction system, personal computer signal reproduction method, personal computer signal reproduction program, output device control program, personal computer adapter device control program, and personal computer control program according to the second embodiment of the present invention FIG. 2 is a configuration diagram showing an adapter device for a personal computer. It is a top view which shows the adapter apparatus for personal computers and each cable about 2nd Embodiment. It is a perspective view in the connection state with the portable audio player which shows the adapter apparatus for personal computers about 2nd Embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1,100 ... Personal computer adapter apparatus, 2 ... Personal computer, 3 ... External speaker apparatus (output device), 4 ... Headphone terminal (PC side signal output terminal), 5 ... Microphone terminal (analog signal input terminal), 6 ... Adapter side signal input terminal, 7 ... Control signal output terminal, 8 ... Outlet jack, 9 ... Plug unit, 10 ... Digital conversion unit, 11 ... Adapter side power line transmission unit, 12 ... Adapter side power line reception unit, 13 ... Analog conversion unit , 16 ... operation unit, 18 ... liquid crystal display unit (display unit), 102A ... portable audio player (playback device), 102B ... mobile phone (playback device), 123 ... cable for PC, 104 ... connector on PLC side, 123A ... Portable player cable (playback device cable), 105 ... common connector, 1 6A, 106B ... reproducing apparatus for input and output terminals, 123B ... mobile phone cable (reproducing apparatus for cable), L ... power line

Claims (11)

An adapter-side signal input terminal connectable to the PC-side signal output terminal of the audio signal or image signal of the personal computer;
A control signal output terminal connectable to the analog signal input terminal of the personal computer;
A plug that can be connected to the outlet jack of the power line;
A digital converter that converts the audio signal or the image signal input from the adapter-side signal input terminal into a digital signal;
An adapter-side power line transmission unit that transmits the converted audio signal or the image signal through a power line connected to the plug unit;
An adapter-side power line receiver that receives the control signal of the personal computer transmitted from the output device connected to the power line via the power line connected to the plug;
An adapter device for a personal computer, comprising: an analog conversion unit that converts the received control signal into an analog signal and outputs the analog signal from the control signal output terminal. In the personal computer adapter device according to claim 1,
A personal computer comprising an AC-DC converter that is connectable to a power input terminal of the personal computer, converts an AC voltage from a power line into a DC voltage via the plug unit, and supplies the DC voltage to the personal computer. Computer adapter device. The adapter device for a personal computer according to claim 1 or 2,
The PC-side signal output terminal is a headphone terminal that outputs the audio signal that is an analog signal,
An adapter device for a personal computer, wherein the analog signal input terminal is a microphone terminal or a line input terminal. In the personal computer adapter device according to any one of claims 1 to 3,
A PC cable comprising an input cable having the adapter-side signal input terminal and an output cable having the control signal output terminal;
A reproduction device cable having a reproduction device input / output terminal detachably connected to an audio signal output terminal and a control signal input terminal of a reproduction device different from the personal computer;
The PC cable can be connected to the digital conversion unit and the analog conversion unit, and the reproduction device cable can be connected to the digital conversion unit and the adapter side power line reception unit. Prepared,
An adapter device for a personal computer, wherein the PC cable and the playback device cable are each provided with a common connector portion that is detachably connected to the PLC-side connector portion and has the same connector shape. An adapter device for a personal computer according to any one of claims 1 to 4,
The personal computer is connected to a power line having an audio signal or an image signal and a PC signal output terminal to which the adapter signal input terminal is connected and an analog signal input terminal to which an analog signal is input and the control signal output terminal is connected. A personal computer connected via a computer adapter device;
An output device connected to the power line,
The output device is connected to a power line and receives the audio signal or the image signal via the power line;
An output unit for reproducing the received audio signal or the image signal;
An operation unit for inputting control signals of the personal computer;
A control signal transmission unit for transmitting the input control signal to the personal computer adapter device via a power line;
A personal computer signal reproduction system, wherein the personal computer includes a control unit that performs control relating to output of the audio signal or the image signal based on the control signal input from the analog signal input terminal. A control signal transmission unit of the output device connected to the power line transmits the input control signal of the personal computer via the power line;
An adapter-side power line receiver of the personal computer adapter device receives the control signal via a plug connected to a power line outlet jack; and
The analog conversion unit of the adapter device for the personal computer converts the received control signal into an analog signal;
The analog conversion unit of the personal computer adapter device outputs the converted control signal from the analog signal input terminal to the personal computer via a control signal output terminal connected to the analog signal input terminal of the personal computer. Steps,
A control unit of the personal computer performs control related to output of an audio signal or an image signal based on the control signal input from the analog signal input terminal;
The control unit of the personal computer outputs the audio signal or the image signal from a PC-side signal output terminal based on the control;
A step of converting the audio signal or the image signal input from the adapter-side signal input terminal connected to the PC-side signal output terminal into a digital signal by the digital conversion unit of the personal computer adapter device;
The adapter-side power line transmitter of the personal computer adapter device transmits the converted audio signal or the image signal through a power line connected to the plug unit;
An output-side power line receiving unit of the output device receiving the audio signal or the image signal via a power line;
An output unit of the output device includes a step of reproducing the received audio signal or image signal. A control signal transmission unit of the output device connected to the power line transmits the input control signal of the personal computer via the power line;
An adapter-side power line receiver of the personal computer adapter device receives the control signal via a plug connected to a power line outlet jack; and
The analog conversion unit of the adapter device for the personal computer converts the received control signal into an analog signal;
The analog conversion unit of the personal computer adapter device outputs the converted control signal from the analog signal input terminal to the personal computer via a control signal output terminal connected to the analog signal input terminal of the personal computer. Steps,
A control unit of the personal computer performs control related to output of an audio signal or an image signal based on the control signal input from the analog signal input terminal;
The control unit of the personal computer outputs the audio signal or the image signal from a PC-side signal output terminal based on the control;
A step of converting the audio signal or the image signal input from the adapter-side signal input terminal connected to the PC-side signal output terminal into a digital signal by the digital conversion unit of the personal computer adapter device;
The adapter-side power line transmitter of the personal computer adapter device transmits the converted audio signal or the image signal through a power line connected to the plug unit;
An output-side power line receiving unit of the output device receiving the audio signal or the image signal via a power line;
An output unit of the output device causes a computer to execute the step of reproducing the received audio signal or image signal. A control signal transmission unit of the output device connected to the power line transmits the input control signal of the personal computer via the power line;
An output-side power line receiver of the output device receiving an audio signal or an image signal via the power line;
The output unit of the output device causes the computer to execute the step of reproducing the received audio signal or the image signal,
The audio signal or the image signal received by the output power line receiver of the output device is received by the personal computer adapter device via the power line and converted into an analog signal, and is based on the control signal output to the personal computer. An output device control program, wherein the personal computer outputs to the personal computer adapter device, and the personal computer adapter device converts the digital signal into a digital signal and transmits it through a power line. The adapter-side power line receiver of the personal computer adapter device receives the control signal of the personal computer transmitted from the output device connected to the power line via the power line via the plug portion connected to the outlet jack of the power line. When,
The analog conversion unit of the adapter device for the personal computer converts the received control signal into an analog signal;
The analog conversion unit of the personal computer adapter device outputs the converted control signal from the analog signal input terminal to the personal computer via a control signal output terminal connected to the analog signal input terminal of the personal computer. Steps,
The digital conversion unit of the adapter device for the personal computer has an adapter-side signal input connected to the PC-side signal output terminal for an audio signal or an image signal output from the PC-side signal output terminal by the personal computer based on the control signal. A step of converting from a terminal to a digital signal;
The adapter side power line transmission unit of the personal computer adapter device causes the computer to execute the step of transmitting the converted audio signal or the image signal to the output device via the power line connected to the plug unit. A personal computer adapter device control program. In the personal computer adapter device control program according to claim 9,
An audio signal output terminal and a control signal input terminal of a playback device different from the personal computer are connected to the digital conversion unit and the adapter side power line reception unit by a playback device cable, respectively, and a switching input to the playback device is performed. Then, an adapter device for a personal computer, which causes the computer to execute the step of converting the control signal into a signal corresponding to the reproducing device and outputting the converted signal to the control signal input terminal via the reproducing device cable. Control program. The control unit of the personal computer performs control related to the output of the audio signal or the image signal based on the control signal input from the analog signal input terminal;
Based on the control, the control unit causes the computer to execute the step of outputting the audio signal or the image signal from a PC-side signal output terminal connected to an adapter-side signal input terminal of a personal computer adapter device,
The control signal input from the analog signal input terminal is received by the personal computer adapter device from the output device via a power line, converted into an analog signal, and connected to the analog signal input terminal. A personal computer control program, which is input via a control signal output terminal of the adapter device.

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