KR870011779A - Horizontal Frequency Control Circuit for Dual Scan Display Monitor - Google Patents

Horizontal Frequency Control Circuit for Dual Scan Display Monitor Download PDF

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Publication number
KR870011779A
KR870011779A KR1019860003629A KR860003629A KR870011779A KR 870011779 A KR870011779 A KR 870011779A KR 1019860003629 A KR1019860003629 A KR 1019860003629A KR 860003629 A KR860003629 A KR 860003629A KR 870011779 A KR870011779 A KR 870011779A
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KR
South Korea
Prior art keywords
pulse
signal
control circuit
frequency control
display monitor
Prior art date
Application number
KR1019860003629A
Other languages
Korean (ko)
Inventor
김원기
고한일
Original Assignee
한형수
삼성전자 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 한형수, 삼성전자 주식회사 filed Critical 한형수
Priority to KR1019860003629A priority Critical patent/KR870011779A/en
Publication of KR870011779A publication Critical patent/KR870011779A/en

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  • Details Of Television Scanning (AREA)

Abstract

내용 없음No content

Description

듀얼 스캔 디스플레이 모니터용 수평주파수 조절회로Horizontal Frequency Control Circuit for Dual Scan Display Monitor

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

제1도는 본 발명의 블록도.1 is a block diagram of the present invention.

제2도는 제1도의 상세한 회로도.2 is a detailed circuit diagram of FIG.

제3도는 제2도의 각 부분에서의 파형도.3 is a waveform diagram at each part of FIG. 2;

Claims (1)

입력된 수평동기 신호를 반전증폭하여 펄스발생을 동기시키는 동기부(1)와, 상기한 동기부(1)의 출력신호에 의해 펄스의 폭을 가변할 수 있는 펄스를 출력하는 1차 펄스발생부(2)와, 입력된 수평동기신호를 판별하여서 1차 펄스발생부(2)의 출력신호의 펄스폭을 일정하게 유지하는 판별부(3)와, 안가된 펄스신소가 "0"로 떨어질 때 펄스의 폭이 가변가능한 "0"의 신호를 출력하는 2차 펄스발생부(4)와, 상기한 펄스발생부(4)의 출력신호를 반전하여 위상변화된 일정한 수평주사신호를 출력하는 위상변화출력부(5)로 이루어진 것을 특징으로 하는 듀얼스캔 디스플레이 모니터용 수평주파수 조절회로.A synchronization unit 1 for inverting and amplifying the input horizontal synchronization signal and synchronizing pulse generation, and a primary pulse generator for outputting a pulse whose width can be varied by the output signal of the synchronization unit 1; (2), the discriminating unit 3 which determines the input horizontal synchronizing signal and keeps the pulse width of the output signal of the primary pulse generating unit 2 constant, and when the concealed pulse source falls to " 0 ". Secondary pulse generator 4 for outputting a signal of " 0 " which is variable in pulse width, and phase change output for outputting a constant horizontal scan signal of phase change by inverting the output signal of the pulse generator 4 above. Horizontal frequency control circuit for dual scan display monitor, characterized in that consisting of (5). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019860003629A 1986-05-09 1986-05-09 Horizontal Frequency Control Circuit for Dual Scan Display Monitor KR870011779A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019860003629A KR870011779A (en) 1986-05-09 1986-05-09 Horizontal Frequency Control Circuit for Dual Scan Display Monitor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019860003629A KR870011779A (en) 1986-05-09 1986-05-09 Horizontal Frequency Control Circuit for Dual Scan Display Monitor

Publications (1)

Publication Number Publication Date
KR870011779A true KR870011779A (en) 1987-12-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860003629A KR870011779A (en) 1986-05-09 1986-05-09 Horizontal Frequency Control Circuit for Dual Scan Display Monitor

Country Status (1)

Country Link
KR (1) KR870011779A (en)

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