KR960020482A - Cable tv - Google Patents

Cable tv Download PDF

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Publication number
KR960020482A
KR960020482A KR1019940031436A KR19940031436A KR960020482A KR 960020482 A KR960020482 A KR 960020482A KR 1019940031436 A KR1019940031436 A KR 1019940031436A KR 19940031436 A KR19940031436 A KR 19940031436A KR 960020482 A KR960020482 A KR 960020482A
Authority
KR
South Korea
Prior art keywords
inverted
multiplexer
code input
input signal
signal
Prior art date
Application number
KR1019940031436A
Other languages
Korean (ko)
Inventor
최진한
장동현
조명래
Original Assignee
이형도
삼성전기 주식회사
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.)
Filing date
Publication date
Application filed by 이형도, 삼성전기 주식회사 filed Critical 이형도
Priority to KR1019940031436A priority Critical patent/KR960020482A/en
Publication of KR960020482A publication Critical patent/KR960020482A/en

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Abstract

케이블 텔레비젼에 있어서, 화면의 열화현상을 방지하기 위하여 멀티 플렉서의 제어신호 입력단에 배타적 논리합 회로를 추가로 접속 채용하여 PN 코드 입력신호 FA 신호입력에 따라 배타적 논리합 회로에 의해 반전 또는 비반전중 제어된 어느 하나의 코드 입력신호만으로 멀티플렉서에 인가됨으로써 화면의 화질 열화를 방지하도록 한 케이블 텔레비전을 구현하였다.In cable television, an exclusive OR circuit is further connected to a control signal input terminal of a multiplexer to prevent screen degradation, and is controlled by an exclusive OR circuit according to a PN code input signal FA signal input. The cable television is implemented to prevent deterioration of picture quality by being applied to the multiplexer using only one code input signal.

Description

케이블 텔레비전Cable television

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제2도는 이 발명에 따른 케이블 텔레비젼의 일 실시예를 나타낸 개략 블록도이다.2 is a schematic block diagram showing one embodiment of a cable television according to the present invention.

Claims (1)

영상신호를 입력하여 반전/비반전 신호로 각각 증폭시켜 출력하는 반전 및 비반전 증폭기와, 상기 반전/비반전 영상신호를 PN 코드 입력신호에 따라 선택적으로 하나의 영상신호만을 출력하는 멀티플렉서로 구성된 케이블 텔레비젼에 있어서; 상기 PN 코드 입련신호는 FA 신호입력에 따라 배타적 논리합 회로에 의해 반전 또는 비반전중 제어된 어느 하나의 코드 입력신호만을 멀티플렉서로 인가함으로써 화면의 화질 열화를 방지하도록 한 케이블 텔레비젼.Inverted and non-inverted amplifiers for inputting video signals and amplifying them into inverted and non-inverted signals, respectively, and a cable composed of a multiplexer for selectively outputting only one video signal according to the PN code input signal. In television; And the PN code input signal prevents deterioration of picture quality by applying only one code input signal controlled during inversion or non-inversion by an exclusive OR circuit according to FA signal input to the multiplexer. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940031436A 1994-11-28 1994-11-28 Cable tv KR960020482A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940031436A KR960020482A (en) 1994-11-28 1994-11-28 Cable tv

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940031436A KR960020482A (en) 1994-11-28 1994-11-28 Cable tv

Publications (1)

Publication Number Publication Date
KR960020482A true KR960020482A (en) 1996-06-17

Family

ID=66648378

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940031436A KR960020482A (en) 1994-11-28 1994-11-28 Cable tv

Country Status (1)

Country Link
KR (1) KR960020482A (en)

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