JPS6139798A - Acoustic device of speaker separation-type - Google Patents

Abstract

PURPOSE:To carry out the turning on or off of a power source, its interruption, sound volume adjustment, display, etc., through a control of an acoustic device main body by providing on the acoustic device main body a control signal generating part for generating a control signal and a transmitting part for transmitting an acoustic signal outside and installing on a speaker part a receiving part for receiving the signal transmitted from the transmitting part. CONSTITUTION:Assuming that a power source switch 25 of an acoustic device main body 11 is turned on, a control signal is generated at a control signal generating part 42, transmitted through an antenna 28, supplied to a control part 53 through a multiplexer 38, and discriminated. The control part 53 produces a signal for turning on the power source switch 52, supplies the output electric power from the power source part 52 to an amplifier circuit 50 and a display part 34, and generates a drive signal with respect to the display part 34 to cause a muting circuit 54 in the non-driven state. As a result, the amplifier circuit 50 is brought into the standby state, and simultaneously the display part 34 lights up, whereby a speaker part 30 is displayed to be in the receiving state.

Description

[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to a speaker-separated audio device in which an audio equipment main body and a speaker section are provided separately, and particularly relates to a wireless control system for controlling the operation of the audio equipment main body. This relates to what is transmitted to the speaker section. □
゛[Technical background of the invention and its problems] ゛As is well known, by making the main body of the audio equipment and the speaker part separable, the user can freely create various layouts. Separate sound equipment has appeared. ``By the way, something like this''
In conventional speaker-separate type audio devices, the main body of the audio equipment and the speaker section are generally connected with a connecting cord to allow transmission of audio signals. However, there is still a problem in that the user is still not able to freely design the layout due to regulations such as the length of the connecting conduit.

゛ Therefore, in recent years, so-called wireless type devices have been developed in which the acoustic signals generated by the audio device itself are transmitted to the outside as radio waves, and the signals are received by the speaker section.

However, in such wireless type speaker separated audio equipment, each speaker section is equipped with a power supply section, a volume adjustment section, an amplifier, etc., so when turning on and off the power, adjusting the volume, etc., the user must This results in the inconvenience that the user must go to the speaker section to operate it.

[Object of the Invention] This invention has been made in consideration of the above circumstances, and is of a wireless control type, and can perform, for example, turning on and off the power, adjusting the volume, and displaying the reception status by operating the audio equipment itself. The object of the present invention is to provide an extremely good speaker-separated acoustic device.

[Summary of the invention] That is, the speaker separated acoustic device according to the present invention has the following features:
In a speaker-separated audio device in which an audio equipment main body and a speaker section are provided separately, and an audio signal output from the audio equipment main body can be reproduced by the speaker section, the audio equipment main body is provided with a A control signal generating section that generates a control signal corresponding to the operation of the operating section, and a transmitting section that transmits the control signal output from the control signal generating section and the acoustic signal generated by the audio equipment main body to the outside. , a receiving section for receiving the signal sent from the transmitting section in the speaker section;
A reproduction section that controls the level of the acoustic signal of the signal received by the reception section and outputs it to a speaker, a power supply section that supplies power to the reproduction section, and the reception section are in a receiving state. Wireless control is achieved by comprising a display section that displays the information, and a control section that determines the control signal from among the signals received by the reception section and controls the playback section, power supply section, and display section. This is a type of audio equipment that allows you to turn on and off the power, adjust the volume, display the reception status, etc., by operating the main body of the audio equipment.

[Embodiment of the Invention] In the afternoon, an embodiment of the present invention will be described in detail with reference to the drawings. In FIG. 1, reference numeral 11 denotes a two-channel stereo type audio equipment main body, which is equipped with a tuner function and a tape recorder function.

That is, 12 in the figure is an AM and FM receiving frequency instruction section,
13 is the channel selection dial, 14 is the tape cassette storage compartment, 1
5 is a tape counter, 16 is a reset button for the tape counter 15, 17 is an eject button, 18 is an operation such as recording, playback, fast forwarding, rewinding, stopping, pausing, etc.; 19 is a radio/tape changeover switch; 20 is an AM/FM selector switch, 21 is a stereo/monaural selector switch, 22 is a sound mI adjustment dial, 23 is a tape type selector switch, 24 is a balance adjustment dial, 25 is a power switch, 26 is a pilot lamp, 27 is a headphone jack, 28 is an antenna, and 29 is a carrying handle.

On the other hand, 30.31 in the figure is a speaker section, which includes a speaker 32.33, a display section 34.35, and an antenna 36.37, respectively.
have.

Here, first, the transmission operation of the audio equipment main body 11 will be explained. That is, in Figure 2, 38, 39
are input terminals to which L channel and R channel audio signals obtained by the tuner function and tape recorder function of the audio equipment main body 11 are respectively supplied. These input terminals 38 and 39 are each connected to one input end of an FM transmitter 40 and 41.

Also, among the various dials, switches, operators, etc. provided on the audio equipment main body 11, the sound I! When the maintenance dial 22 and the power switch 25 are operated, the control signal generating section 42 generates a control signal corresponding to the operation.

This control signal is transmitted via the connection terminal 43 to the F
The signal is supplied to the other input end of the M transmitter 40.41.

The FM transmitter 40.41 performs FM modulation on a composite signal of the acoustic signal and the control signal, and transmits the composite signal via the output terminal 44.45 and the antenna 28.

Next, the speaker sections 30 and 31 will be explained.

However, both speaker sections 30. Since the configuration and operation of the old version are substantially the same, the operation of the speaker section 30 will be explained here. That is, in FIG. 3, the signal transmitted from the antenna 28 is received by the antenna 36, and is subsequently transmitted to the high frequency amplification section 46 and the intermediate frequency amplification section 4.
After being subjected to FM detection via 7, the multiplexer 48 separates the signal into the acoustic signal and the control signal. Among these, the acoustic signal is supplied to the speaker 32 via an electronic volume 49 and an amplifier circuit 50. This amplification circuit 50 performs an amplification operation by being supplied with power from a power supply section 51 via a power switch 52.

On the other hand, the control signal output from the multiplexer 48 is supplied to the control section 53, and its contents are determined. Then, the control unit 53 controls the electronic volume 492 display unit 34 . It controls the power switch 52 and the micoating circuit 54, respectively. Note that the power supply section 51
The power supply power output from the high frequency amplification section 46. Intermediate frequency amplification section 47. Multiplexer 48 and control section 53
and a power switch 52.
The signal is supplied to the display section 34 via the above.

The operation of the above configuration will be explained below.

First, when the power switch 25 of the audio equipment main body 11 is turned on, a control signal corresponding to the turning on of the power switch 25 is sent to the control signal generator 4.
2 and transmitted via the antenna 28 mentioned above.

This transmission signal is received by the antenna 36 and is received by the high frequency amplification section 46. The signal is supplied to the control section 53 via the intermediate frequency amplification section 47 and the multiplexer 38, and is discriminated. in this case,
The control unit 53 generates a drive signal for the muting circuit 54 to prevent noise components from being supplied to the amplifier circuit 50. After that, the control unit 53 switches the power switch 5
2 is turned on, the output power from the power supply section 52 is supplied to the amplifier circuit 50 and the display section 34, and a drive signal is generated for the display section 34. After doing this, the muting circuit 54 is brought into a non-driven state.

Therefore, the amplifier circuit 50 enters the standby state. At the same time, the display section 34 lights up, and the speaker section 30
is displayed to indicate that it is in reception status. Then, when an acoustic signal is transmitted from the antenna 28, the acoustic signal is
The signal is supplied to the speaker 32 via the electronic volume 49 and the amplifier circuit 50, and a reproduction operation is performed. In such a reproduction state, the abutment adjustment dial is activated.

When you operate the key 22, the control corresponding to that operation will be displayed.
− The signal is output from the control gate number □ generator 42.
□ and transmitted via antenna 28 □. Therefore, the control signal received by the antenna 36 is guided to the control section 53. Then, the control unit 53 generates a control signal to the electronic volume 49, whereby the volume is adjusted.

Therefore, according to the configuration of the above embodiment, by operating the power switch 25 and the tone interval adjustment dial 22 of the audio equipment main body 11, the speaker unit 30,
It is possible to turn on and off the power of the 31, adjust the volume, and display the reception status, etc., making it easy to handle. Therefore, for example, a wall-mounted type speaker section is more suitable, and a free layout can be realized.

Furthermore, in the above embodiment, it has been explained that the operation of the power switch 25 and the aperture adjustment dial 22 is wirelessly controlled for the speaker section 30. 1. Even if you use wireless control.
Needless to say, it can be applied in various ways depending on the need.

It should be noted that the present invention is not limited to the above-mentioned embodiments, and can be implemented with various modifications without departing from the gist thereof.

[Effects of the Invention] Therefore, as detailed above, according to the present invention, although it is a wireless control type, it is possible to turn on/off the power, adjust the volume, display the reception status, etc. by operating the main body of the audio equipment. An extremely good speaker-separated acoustic device can be provided.

[Brief explanation of drawings]

FIG. 1 is a front view showing an embodiment of a separate speaker type acoustic device according to the present invention, and FIGS. 2 and 3 are block diagrams showing essential parts of the same embodiment. DESCRIPTION OF SYMBOLS 11... Audio equipment main body, 12... Receiving frequency instruction part, 13... Tuning dial, 14... Tape cassette storage part, 15... Tape counter, 16... Reset button, 17... ... Eject operator, 18... Operator group, 19... Radio tape selection switch, 20...
・AM 7 FM selector switch, 21...Stereo・
Monaural selection switch, 22... Volume adjustment dial, 23... Tape type selection switch, 24... Balance adjustment dial, 825... Power switch, 26
...Pilot lamp, 21...Headphone jack, 28...Antenna, 29...Carrying handle, 30°31...Speaker part, 32.33...
Speaker, 3.4.35...Display section, 36.37...
・Antenna, 38.39...Input terminal, 40°41・
...FM transmitter, 42...control signal generator,
43 to 45... Connection terminal, 46... High frequency amplification section,
47... Intermediate frequency amplification section, 48... Multiplexer, 49... Electronic volume, 50... Amplification circuit, 5
1... Power supply unit, 52... Power switch, 53...
Control unit, 54...muting circuit.

Claims (1)

[Claims] In a speaker-separated audio device in which an audio equipment main body and a speaker section are provided separately, and an audio signal output from the audio equipment main body can be reproduced by the speaker section, the audio equipment main body is provided with a A control signal generating section that generates a control signal corresponding to the operation of the operating section, and a transmitting section that transmits the control signal output from the control signal generating section and the acoustic signal generated by the audio equipment main body to the outside. , a receiving section for receiving the signal sent from the transmitting section in the speaker section;
A playback unit controls the level of the acoustic signal received by the reception unit and outputs it to a speaker, a power supply unit supplies power to the playback unit, and a power supply unit detects that the reception unit is in the receiving state. A speaker comprising: a display section that displays a display; and a control section that discriminates the control signal from among the signals received by the reception section and controls the playback section, power supply section, and display section. Separate sound equipment.