KR870009578A - Frequency discrimination circuit of horizontal synchronous signal - Google Patents

Frequency discrimination circuit of horizontal synchronous signal Download PDF

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Publication number
KR870009578A
KR870009578A KR1019860002180A KR860002180A KR870009578A KR 870009578 A KR870009578 A KR 870009578A KR 1019860002180 A KR1019860002180 A KR 1019860002180A KR 860002180 A KR860002180 A KR 860002180A KR 870009578 A KR870009578 A KR 870009578A
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KR
South Korea
Prior art keywords
signal
discrimination circuit
frequency discrimination
synchronous signal
horizontal synchronous
Prior art date
Application number
KR1019860002180A
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Korean (ko)
Other versions
KR900002812B1 (en
Inventor
권호열
Original Assignee
주식회사 금성사
구자학
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 주식회사 금성사, 구자학 filed Critical 주식회사 금성사
Priority to KR1019860002180A priority Critical patent/KR900002812B1/en
Publication of KR870009578A publication Critical patent/KR870009578A/en
Application granted granted Critical
Publication of KR900002812B1 publication Critical patent/KR900002812B1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/14—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by means of electrically scanned solid-state devices

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
  • Synchronizing For Television (AREA)

Abstract

내용 없음.No content.

Description

수평동기 신호의 주파수 판별회로Frequency discrimination circuit of horizontal synchronous signal

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

제1도는 본 발명의 판별회로도.1 is a discrimination circuit diagram of the present invention.

제2도는 제1도 각부의 파형도.2 is a waveform diagram of each part of FIG.

Claims (1)

수평동기 신호를 반전. 정형하는 신호정형부(1)와, 상기 신호정형부(5)의 출력전압에 따른 온·오프되는 스위칭부(2)와, 상기 스위칭부(2)의 동작에 따라 전원전압을 충전 및 방전하는 검출부 (3)와, 상기 검출부(3)의 출력전압 및 기준전압을 비교하는 비교부(4)와, 상기 비교부(4)의 출력신호에 따라 고전위 및 저전위를 출력하는 멀티바이브레이터(5)로 구성함을 특징으로 하는 수평동기 신호의 주파수 판별회로.Invert horizontal sync signal. A signal shaping part 1 for shaping, a switching part 2 that is turned on and off according to the output voltage of the signal shaping part 5, and a detector for charging and discharging a power supply voltage in accordance with the operation of the switching part 2 ( 3), a comparator 4 for comparing the output voltage and the reference voltage of the detector 3, and a multivibrator 5 for outputting a high potential and a low potential according to the output signal of the comparator 4. Frequency discrimination circuit of the horizontal synchronous signal, characterized in that the configuration. ※참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is to be disclosed based on the initial application.
KR1019860002180A 1986-03-24 1986-03-24 Frequency distinguishig circuit for horizanfal synchronizing signal KR900002812B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019860002180A KR900002812B1 (en) 1986-03-24 1986-03-24 Frequency distinguishig circuit for horizanfal synchronizing signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019860002180A KR900002812B1 (en) 1986-03-24 1986-03-24 Frequency distinguishig circuit for horizanfal synchronizing signal

Publications (2)

Publication Number Publication Date
KR870009578A true KR870009578A (en) 1987-10-27
KR900002812B1 KR900002812B1 (en) 1990-04-30

Family

ID=19249043

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860002180A KR900002812B1 (en) 1986-03-24 1986-03-24 Frequency distinguishig circuit for horizanfal synchronizing signal

Country Status (1)

Country Link
KR (1) KR900002812B1 (en)

Also Published As

Publication number Publication date
KR900002812B1 (en) 1990-04-30

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