KR960028250A - TV volume control circuit using telephone signal - Google Patents

TV volume control circuit using telephone signal Download PDF

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Publication number
KR960028250A
KR960028250A KR1019940038548A KR19940038548A KR960028250A KR 960028250 A KR960028250 A KR 960028250A KR 1019940038548 A KR1019940038548 A KR 1019940038548A KR 19940038548 A KR19940038548 A KR 19940038548A KR 960028250 A KR960028250 A KR 960028250A
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KR
South Korea
Prior art keywords
signal
volume control
control circuit
telephone
output
Prior art date
Application number
KR1019940038548A
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Korean (ko)
Inventor
이갑용
Original Assignee
이영일
주식회사 호텔신라
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 이영일, 주식회사 호텔신라 filed Critical 이영일
Priority to KR1019940038548A priority Critical patent/KR960028250A/en
Publication of KR960028250A publication Critical patent/KR960028250A/en

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Abstract

본 발명은 전화신호를 이용한 텔레비젼 음량제어회로에 관한 것으로, 특히 전화라인을 통해 입력되는 신호의 상태에 따라 동작중인 텔레비젼(Television)의 음량이 자동제어되도록 하는 전화신호를 이용한 텔레비젼 음량제어회로에 관한 것이다.The present invention relates to a television volume control circuit using a telephone signal, and more particularly, to a television volume control circuit using a telephone signal for automatically controlling the volume of a television (Television) in operation according to a state of a signal input through a telephone line. will be.

Description

전화신호를 이용한 텔레비젼 음량제어회로TV volume control circuit using telephone signal

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따른 전화신호를 이용한 텔레비젼 음량제어 회로의 블럭도, 제2도는 제1도의 상세회로도, 제3A 내지 제3C도는 제2도를 설명하기 위한 파형도.1 is a block diagram of a television volume control circuit using a telephone signal according to the present invention, FIG. 2 is a detailed circuit diagram of FIG. 1, and FIGS. 3A to 3C are waveform diagrams for explaining FIG.

Claims (3)

전화신호를 이용한 텔레비젼 음량제어회로에 있어서, 전화벨이 울릴경우 또는 통화중에 유지되어야 할 T.V의 음량을 조절하기 위하여 업 및 다운회수를 세팅할 수 있도록 하는 음량조절세팅부와, 전화라인을 통해 공급되는 신호에 따라 소정의 신호를 출력하기 위한 제1인터페이스회로와, 상기 음량조절세팅부로부터 출력되는 음량조절세팅신호 및 사기 제1인터페이스회로의 출력신호를 입력으로 하는 중앙처리부와, 상기 중앙처리부로부터의 출력신호를 T.V 리모콘회로에 전달시키기 위한 제2인터페이스회로로 접속 구성되는 것을 특징으로 하는 전화신호를 이용한 텔레비젼 음량제어회로.A television volume control circuit using a telephone signal, comprising: a volume control setting unit for setting up and down times to adjust the volume of a TV to be maintained when a telephone ringing or during a telephone call, and supplied through a telephone line. A first interface circuit for outputting a predetermined signal according to the signal, a central processing unit for inputting a volume control setting signal output from the volume control setting unit and an output signal of the fraudulent first interface circuit, and from the central processing unit And a second interface circuit for transmitting an output signal to the TV remote control circuit. 제1항에 있어서, 상기 제1인터페이스회로는 상기 전화라인으로부터 입력되는 교류전압을 직류전압으로 변환하기 위한 정류부와, 상기 정류부의 출력단자로부터 저항 및 제너다이오드를 통해 베이스단자가 접속되며 상기 정류부의 출력전압에 따라 스위칭동작을 하도록 구성된 스위칭 트랜지스터로 구성되는 것을 특징으로 하는 전화신호를 이용한 텔레비젼 음량제어회로.The rectifier of claim 1, wherein the first interface circuit comprises: a rectifying unit for converting an AC voltage input from the telephone line into a DC voltage; and a base terminal connected through a resistor and a zener diode from an output terminal of the rectifying unit. A television volume control circuit using a telephone signal comprising a switching transistor configured to perform a switching operation according to an output voltage. 제1항에 있어서, 상기 제2인터페이스회로는 상기 중앙처리부의 출력단자로부터 각각 접속되며 각각의 출력단자가 T.V 리모콘회로의 입력단자에 접속되도록 구성된 포토커플러(PC1 및 PC2)로 이루어진 것을 특징으로 하는 전화신호를 이용한 텔레비젼 음량제어회로.2. A telephone according to claim 1, wherein said second interface circuit is composed of photocouplers (PC1 and PC2) each connected from an output terminal of said central processing unit and each output terminal is configured to be connected to an input terminal of a TV remote control circuit. Television volume control circuit using signal. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940038548A 1994-12-29 1994-12-29 TV volume control circuit using telephone signal KR960028250A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940038548A KR960028250A (en) 1994-12-29 1994-12-29 TV volume control circuit using telephone signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940038548A KR960028250A (en) 1994-12-29 1994-12-29 TV volume control circuit using telephone signal

Publications (1)

Publication Number Publication Date
KR960028250A true KR960028250A (en) 1996-07-22

Family

ID=66769412

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940038548A KR960028250A (en) 1994-12-29 1994-12-29 TV volume control circuit using telephone signal

Country Status (1)

Country Link
KR (1) KR960028250A (en)

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E902 Notification of reason for refusal
E601 Decision to refuse application