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KR920022261A - Double-sided discrimination circuit of optical disc - Google Patents

Double-sided discrimination circuit of optical disc Download PDF

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Publication number
KR920022261A
KR920022261A KR1019910007091A KR910007091A KR920022261A KR 920022261 A KR920022261 A KR 920022261A KR 1019910007091 A KR1019910007091 A KR 1019910007091A KR 910007091 A KR910007091 A KR 910007091A KR 920022261 A KR920022261 A KR 920022261A
Authority
KR
South Korea
Prior art keywords
signal
microcomputer
double
disc
discrimination circuit
Prior art date
Application number
KR1019910007091A
Other languages
Korean (ko)
Other versions
KR930007037B1 (en
Inventor
한연택
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 KR1019910007091A priority Critical patent/KR930007037B1/en
Publication of KR920022261A publication Critical patent/KR920022261A/en
Application granted granted Critical
Publication of KR930007037B1 publication Critical patent/KR930007037B1/en

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/08—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records
    • G11B17/12—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records with axial transfer to the turntable from a stack with a vertical axis
    • G11B17/14—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records with axial transfer to the turntable from a stack with a vertical axis by mechanism in rotating centre post, e.g. permitting the playing of both sides of a record

Landscapes

  • Optical Recording Or Reproduction (AREA)

Abstract

내용 없음.No content.

Description

광디스크의 양면 판별회로Double-sided discrimination circuit of optical disc

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

제2도는 이 발명에 다른 광디스크의 양면 판별 회로도,2 is a double-sided discrimination circuit diagram of an optical disk according to the present invention;

제3도(가),(나)는 제2도에 따른 스위치의 상태도이다.3A and 3B are state diagrams of switches according to FIG.

Claims (1)

디스크 양면에서 정보를 재생하는 픽업(P/U)과, 상기 픽업(P/U)으로 부터의 신호를 디지털 신호로 정형하여 증폭하는 고주파 증폭부(1)와, 상기 고주파(1)로 부터의 신호를 정형하는 데이타 처리부(2)와, 상기 데이타 처리부(2)로 부터의 신호를 아날로그 신호로 변환하여 출력하는 D/A 변환기(3)와, 상기 데이타 처리부(2)로 부터의 신호를 읽어 디스크의 양면을 판별하는 마이콤(4)과, 상기 데이타 처리부(2) 및 마이콤(4)의 동작에 따라 스핀들 모터(SM)를 콘트롤하는 서보부(5)를 포함하여 구성되는 디스크의 양면 판별회로에 있어서, 상기 데이타 처리부(2)에 연결되어 상기 마이콤(4)의 디스크 양면 판별결과를 기억하는 메모리부(10)와, 상기 마이콤(4)에 연결되어 디스크 트레이(DT)오픈시 상기 메모리부(10)를 리렛시키는 스위칭부(20)와, 를 더 포함하여 구성되는 광디스크의 양면 판별회로.A pickup (P / U) for reproducing information on both sides of the disc, a high frequency amplifier (1) for shaping and amplifying a signal from the pickup (P / U) into a digital signal, and the high frequency (1) A data processor 2 for shaping a signal, a D / A converter 3 for converting and outputting a signal from the data processor 2 into an analog signal, and a signal from the data processor 2 A disc double side discrimination circuit comprising a microcomputer 4 for discriminating both sides of a disc, and a servo unit 5 for controlling the spindle motor SM in accordance with the operation of the data processing unit 2 and the microcomputer 4. The memory unit 10 is connected to the data processing unit 2 and stores a disk double-sided discrimination result of the microcomputer 4 and the memory unit is connected to the microcomputer 4 when the disk tray DT is opened. Switching unit 20 for releting (10), and further comprises Both surfaces of the disk discriminating circuit. ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.※ Note: This is to be disclosed by the original application.
KR1019910007091A 1991-05-02 1991-05-02 Double plate discrimination circuit of optical disk KR930007037B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910007091A KR930007037B1 (en) 1991-05-02 1991-05-02 Double plate discrimination circuit of optical disk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910007091A KR930007037B1 (en) 1991-05-02 1991-05-02 Double plate discrimination circuit of optical disk

Publications (2)

Publication Number Publication Date
KR920022261A true KR920022261A (en) 1992-12-19
KR930007037B1 KR930007037B1 (en) 1993-07-26

Family

ID=19313986

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910007091A KR930007037B1 (en) 1991-05-02 1991-05-02 Double plate discrimination circuit of optical disk

Country Status (1)

Country Link
KR (1) KR930007037B1 (en)

Also Published As

Publication number Publication date
KR930007037B1 (en) 1993-07-26

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