KR200186155Y1 - A A/V mutting device for phonecall - Google Patents

Abstract

The present invention automatically stops or reduces the audio output when a call is received while using various audio or video devices such as audio, video, and TV (abbreviated as A / V). As not to interfere with hanging,

When the pulse signal of the telephone is detected by electrically connecting the pulse detection circuit 2 between the mute terminal or the volume (-) terminal 4 of the normal telephone circuit 1 and the normal remote control IC circuit 3. The remote control IC circuit 3 is capable of transmitting a mute signal or a volume (-) signal to the A / V side so that the sound can be removed or reduced.

Description

A / V mutting device for phonecall}

The present invention is designed to automatically stop or reduce the audio output when a call is received while using various audio devices such as audio, video, television, etc. (hereinafter abbreviated as A / V). The use of V is not to interfere with answering and making calls.

Conventional A / V device is equipped with a circuit device to mute the voice output by the remote control circuit, but it is inconvenient to answer the phone during A / V operation because it is troublesome to operate it normally when receiving a call. There were a lot.

In order to correct this problem, the present invention adds a remote control transmitter circuit that automatically controls the A / V muting function to the reception circuit of the existing telephone so that the sound of the A / V device is automatically stopped or reduced when receiving a call.

A / V (devices capable of outputting TV, VCR, etc.) devices are used with the audio output properly adjusted according to the user's audible distance, so if you receive a phone call when using A / V, It is difficult to accurately detect the other party's phone voice.

In this case, it is difficult to operate the A / V muting remote control one by one, and if there is no remote control around the user, pause the call, turn off the A / V power, or manually adjust the volume.

The present invention adds a remote control transmitter device circuit for the muting operation of the A / V device to the reception circuit of the phone, but separates it into a separate product from the case of embedding the muting device circuit in the phone and plugs it into the telephone cord. It is configured to control A / V muting circuits automatically.

1 is a simplified circuit diagram showing an embodiment of the present invention

☞ Explanation of symbols on major part of drawing ☜

1: telephone circuit 2: pulse detection circuit

3: Remote control IC circuit 4: Mute terminal

5: mute signal

1 is a simplified circuit diagram showing an embodiment of the present invention.

The configuration of the present invention is configured to operate the remote control IC circuit 3 by detecting a pulse signal from the basic circuits of various telephones such as a general telephone, a wireless telephone, a radio, an interphone, a cellular phone, and the like.

That is, the mute terminal (function key for temporarily muting the A / V sound) or the volume (-) terminal of the normal telephone circuit (1) and the normal remote control IC circuit (3). Function key.) The pulse detection circuit 2 is electrically connected between phases.

The telephone circuit (1), the pulse signal detection circuit (2) and the remote control IC circuit (3) is generally widely used and its detailed description will be omitted. The above embodiment is applied to an integrated type incorporated in a general telephone.

According to the second embodiment of the present invention, the remote control IC circuit 3 may be independently configured to operate the muting circuit by connecting it to a connection outlet of a telephone line.

In this configuration, the pulse signal generated from the telephone circuit 1 is detected by the pulse detection circuit 2 and the pulse detection circuit 2 mutes the remote control IC circuit 3 at the same time as the call is received. B. A / V sound is immediately canceled or reduced by sending mute signal to A / V side by applying to volume terminal.

If the mute function is not required by adding a MUTE return switch to the phone as necessary, this switch can be activated to make a call while listening to the A / V sound.

The device of the present invention may be incorporated in a telephone as in the first embodiment, and as in the second embodiment, it may be configured as a product of an independent circuit device and connected to an outlet of a telephone cord to conveniently store various A / Vs installed indoors. Can be muted.

In particular, if the device of the present invention is added to a cellular phone or a hands-free device, a mute signal (5) from the telephone or the hands-free device can be activated to stop the audio output when the call comes while listening to the audio while driving the vehicle. . Therefore, the driver can make a convenient call without the need of audio reduction operation, which is effective in preventing safety accidents.

As described above, the present invention installs a pulse detection circuit integrally or separately to the telephone to operate the A / V muting circuit according to the telephone pulse signal, thereby reasonably solving the call interruption caused by the A / V sound when receiving a telephone call. Therefore, there is always an industrial effect that improves the convenience of using the phone and A / V.

Claims (1)

When the pulse signal of the telephone is detected by electrically connecting the pulse detection circuit 2 between the mute terminal or the volume (-) terminal 4 of the normal telephone circuit 1 and the normal remote control IC circuit 3. A / V muting apparatus for telephone use, characterized in that the remote control IC circuit (3) can transmit a mute signal or a volume (-) signal to the A / V side to remove or reduce sound.