KR930011635A - Multi-synchronous frequency discrimination circuit - Google Patents

Multi-synchronous frequency discrimination circuit Download PDF

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Publication number
KR930011635A
KR930011635A KR1019910020936A KR910020936A KR930011635A KR 930011635 A KR930011635 A KR 930011635A KR 1019910020936 A KR1019910020936 A KR 1019910020936A KR 910020936 A KR910020936 A KR 910020936A KR 930011635 A KR930011635 A KR 930011635A
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KR
South Korea
Prior art keywords
synchronization
frequency
horizontal
encoding
discrimination circuit
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Application number
KR1019910020936A
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Korean (ko)
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KR0129516B1 (en
Inventor
유경걸
Original Assignee
강진구
삼성전자 주식회사
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Priority to KR1019910020936A priority Critical patent/KR0129516B1/en
Publication of KR930011635A publication Critical patent/KR930011635A/en
Application granted granted Critical
Publication of KR0129516B1 publication Critical patent/KR0129516B1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/04—Synchronising

Abstract

다중동기를 수용할 수 있는 디스플레이 기기에서 각각의 동기에 대해 구별되는 기능을 수행할 수 있도록 동기주파수를 판별해 주는 회로에 관한 것이다.The present invention relates to a circuit for discriminating a synchronization frequency to perform a distinct function for each synchronization in a display device that can accommodate multiple synchronizations.

입력되는 다중동기 영상신호의 수평동기를 분리해 분주한 후, 일정 주파수의 펄스 발생기에서 발생된 펄스를 기준으로 일정시간 동안 수평동기 수를 세어 인코더에서 코드화하여 주파수를 판별해 주도록함으로써 각각의 영상신호에 대응하여 신호처리를 용이하게 할 수 있도록 한다.After separating and synchronizing the horizontal synchronization of the input multiple synchronous video signal, the horizontal synchronous number is counted for a predetermined time based on the pulse generated by the pulse generator of a certain frequency, and the encoder is coded to discriminate the frequency by encoding each video signal. In response to this, the signal processing can be facilitated.

Description

다중 동기 대응 주파수 판별회로Multi-synchronous frequency discrimination circuit

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

제1도는 본 발명에 따른 다중 대응 주파수 판별.1 is a multiple correspondence frequency discrimination according to the present invention.

제2도는 본 발명에 따른 다중 동기 대응 주파수 판별 동작파형도.2 is an operation waveform diagram of a frequency identification corresponding to multiple synchronizations according to the present invention.

Claims (1)

다중 동기를 수용할 수 있는 디스플레이 회로에 있어서, 입력되는 다중 동기 영상신호로부터 수평동기를 분리하는 동기 분리부(20)와, 상기 수평동기를 소정의 비율로 분주하는 분주기(30)와, 소정 주파수의 펄스를 발생하는 펄스 발생부(40)와, 상기 발생된 펄스를 기준으로 소정 시간동안 수평동기수를 카운팅하는 카운트 수단(50, 60)과, 상기 카운팅된 수평동기 수를 코드화하는 인코더(70)로 구성되어 각각의 동기에 대응하는 주파수를 판별하여 코드화함을 특징으로 하는 다중 동기 주파수 판별회로.A display circuit capable of accommodating multiple synchronizations, comprising: a synchronization separation unit 20 for separating horizontal synchronization from an input multiple synchronization image signal, a divider 30 for dividing the horizontal synchronization at a predetermined ratio, and A pulse generator 40 for generating pulses of frequency, counting means 50 and 60 for counting horizontal synchronous numbers for a predetermined time with respect to the generated pulses, and an encoder for encoding the counted horizontal synchronous numbers ( 70. A multiple synchronization frequency discrimination circuit, characterized in that for discriminating and encoding a frequency corresponding to each synchronization. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910020936A 1991-11-22 1991-11-22 A multi-synchronization correspondence frequence distinction circuit KR0129516B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910020936A KR0129516B1 (en) 1991-11-22 1991-11-22 A multi-synchronization correspondence frequence distinction circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910020936A KR0129516B1 (en) 1991-11-22 1991-11-22 A multi-synchronization correspondence frequence distinction circuit

Publications (2)

Publication Number Publication Date
KR930011635A true KR930011635A (en) 1993-06-24
KR0129516B1 KR0129516B1 (en) 1998-04-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910020936A KR0129516B1 (en) 1991-11-22 1991-11-22 A multi-synchronization correspondence frequence distinction circuit

Country Status (1)

Country Link
KR (1) KR0129516B1 (en)

Also Published As

Publication number Publication date
KR0129516B1 (en) 1998-04-10

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