KR910013076A - VCR's Tracking Control Circuit - Google Patents

VCR's Tracking Control Circuit Download PDF

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Publication number
KR910013076A
KR910013076A KR1019890018846A KR890018846A KR910013076A KR 910013076 A KR910013076 A KR 910013076A KR 1019890018846 A KR1019890018846 A KR 1019890018846A KR 890018846 A KR890018846 A KR 890018846A KR 910013076 A KR910013076 A KR 910013076A
Authority
KR
South Korea
Prior art keywords
down counter
tracking
vcr
microcomputer
output
Prior art date
Application number
KR1019890018846A
Other languages
Korean (ko)
Inventor
박일주
Original Assignee
강진구
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 강진구, 삼성전자 주식회사 filed Critical 강진구
Priority to KR1019890018846A priority Critical patent/KR910013076A/en
Publication of KR910013076A publication Critical patent/KR910013076A/en

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Abstract

내용 없음.No content.

Description

VCR의 트랙킹 조정 회로VCR's Tracking Control Circuit

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

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

제2도는 서어보 IC에 인가되는 파형도.2 is a waveform diagram applied to a servo IC.

제3도는 본 발명의 플로우챠트.3 is a flowchart of the present invention.

Claims (2)

마이콤(1)에서 서어보 IC(2)에 트랙킹 서어보 데이타를 인가시켜 트랙킹을 행하는 회로에 있어서, 상기 트랙킹 서어보 데이타 인가시 클럭신호를 카운트하는 업/다운 카운터(3)와, 상기 업/다운 카운터(3)의 출력을 아날로그 신호로 변환시키는 디지탈 아날로그 변환기(4)와, 상기 디지탈 아날로그 변환기(4)의 출력과 비데오 엔벨로우프 검파 신호를 비교하여 업/다운카운터(3)의 업/다운 카운터를 제어하는 비교기(CP1)와, 상기 업/다운카운터(3)의 최대 출력을 검파하여 마이콤(1)에 인가시키는 논리소자로 구성된 VCR의 트랙킹 조정 회로.A circuit for tracking by applying tracking servo data from the microcomputer (1) to the servo IC (2), comprising: an up / down counter (3) for counting a clock signal when the tracking servo data is applied; The digital analog converter 4 which converts the output of the down counter 3 into an analog signal, and the output of the digital analog converter 4 and the video envelope detection signal are compared to the up / down counter 3. A tracking adjustment circuit for a VCR comprising a comparator (CP1) for controlling a counter and a logic element for detecting the maximum output of the up / down counter (3) and applying it to the microcomputer (1). 제1항에 있어서 업/다운카운터(3)의 최대출력은 앤드게이트(AN1)와 트랜지스터(Q1)를 통한후 마이콤(1)의 입력단자(IN)에 인가되어 마이콤(1)의 트랙킹 서어보 데이타 변환을 제어하게 구성된 VCR의 트랙킹 조정 회로.The tracking servo of the microcomputer 1 according to claim 1, wherein the maximum output of the up / down counter 3 is applied to the input terminal IN of the microcomputer 1 through the AND gate AN1 and the transistor Q1. Tracking adjustment circuit of a VCR configured to control data conversion. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890018846A 1989-12-15 1989-12-15 VCR's Tracking Control Circuit KR910013076A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890018846A KR910013076A (en) 1989-12-15 1989-12-15 VCR's Tracking Control Circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890018846A KR910013076A (en) 1989-12-15 1989-12-15 VCR's Tracking Control Circuit

Publications (1)

Publication Number Publication Date
KR910013076A true KR910013076A (en) 1991-08-08

Family

ID=67662216

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890018846A KR910013076A (en) 1989-12-15 1989-12-15 VCR's Tracking Control Circuit

Country Status (1)

Country Link
KR (1) KR910013076A (en)

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