KR970008007A - Brake circuit in compact disc player for better track jumping - Google Patents

Brake circuit in compact disc player for better track jumping Download PDF

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Publication number
KR970008007A
KR970008007A KR1019950023427A KR19950023427A KR970008007A KR 970008007 A KR970008007 A KR 970008007A KR 1019950023427 A KR1019950023427 A KR 1019950023427A KR 19950023427 A KR19950023427 A KR 19950023427A KR 970008007 A KR970008007 A KR 970008007A
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KR
South Korea
Prior art keywords
signal
inverted
inverter
latch means
tzc
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Application number
KR1019950023427A
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Korean (ko)
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KR100188097B1 (en
Inventor
김용석
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김광호
삼성전자 주식회사
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Application filed by 김광호, 삼성전자 주식회사 filed Critical 김광호
Priority to KR1019950023427A priority Critical patent/KR100188097B1/en
Publication of KR970008007A publication Critical patent/KR970008007A/en
Application granted granted Critical
Publication of KR100188097B1 publication Critical patent/KR100188097B1/en

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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)

Abstract

이 발명은 트랙 점프 능력 향상을 위한 CDP의 브레이크 회로에 관한 것으로서, TZC 신호를 공급받아 그 반전신호를 에지 검출부에 출력하는 제1인버터와, 상기 제1인버터로부터 TZC 신호의 반전 신호(TZCB)를 공급받아 에지를 검출하여 래치수단의 클럭으로 공급받아 에지 검출부와, 미러 신호(MIRR)를 공급받아 그 반전 신호(MIRRB)를 래치수단의 데이타로 공급하는 제2인버터와, 상기 에지 검출부의 출력 신호를 클럭으로 하고, 상기 제2인버터로부터 미러 신호(MIRR)의 반전 신호(MIRRB)를 데이타로 공급받아 신호 흐름 제어 수단의 인에이블 신호를 출력하는 래치수단과, 상기 래치수단의 반전 출력 신호(QB)를 공급받아 반전 신호를 만들어 신호 흐름 제어 수단을 인에이블 시키는 제3인버터와, 상기 래치수단의 반전 출력 신호(QB)와 상기 반전 출력 신호의 반전 신호에 따라 인에이블되어 TZC 신호를 출력하는 신호 흐름 제어 수단으로 구성되어, 트랙 진입시에 TZC(Track Zero Cross)신호를 이용하여 빔(Beam)이 진행하는 방향과 반대의 신호를 걸어주는 트랙을 빠르고 정확하게 찾을 수 있도록 하는 트랙(track) 점프(jump) 능력 향상을 위한 CDP(Compact Disc Player)의 브레이크 회로에 관한 것이다.The present invention relates to a brake circuit of a CDP for improving track jump capability, comprising: a first inverter receiving a TZC signal and outputting the inverted signal to an edge detector; and an inverted signal (TZCB) of the TZC signal from the first inverter. The edge detection unit receives the edge and is supplied to the clock of the latch means, the second inverter receives the mirror signal MIRR and supplies the inverted signal MIRRB as data of the latch means, and the output signal of the edge detection unit. Is a clock, latch means for receiving the inverted signal MIRRB of the mirror signal MIRR from the second inverter as data, and outputting the enable signal of the signal flow control means, and the inverted output signal QB of the latch means. A third inverter for supplying an inverted signal to enable the signal flow control means, and an inverted signal of the inverted output signal QB and the inverted output signal of the latch means. It consists of signal flow control means which is enabled according to the signal and outputs the TZC signal, and uses the track zero cross (TZC) signal to enter the track in the opposite direction of the beam progress when entering the track. It relates to a brake circuit of a compact disc player (CDP) for improving track jump ability to be found.

Description

트랙 점프 능력 향상을 위한 컴팩트 디스크 플레이어의 브레이크 회로Brake circuit in compact disc player for better track jumping

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

제3도는 이 발명의 실시예에 따른 트랙 점프 능력 향상을 위한 컴팩트 디스크플레이어의 브레이크 회로의 회로도이고, 제4도는 이 발명의 실시예에 따른 트랙 점프 능력 향상을 위한 컴팩트 디스크플레이어의 브레이크 회로의 파형도이다.3 is a circuit diagram of a brake circuit of a compact disc player for improving track jump capability according to an embodiment of the present invention, and FIG. 4 is a waveform of a brake circuit of a compact disc player for improving track jump capability according to an embodiment of the present invention. It is also.

Claims (3)

TZC 신호를 공급받아 그 반전신호(TZCB를 에지 검출부에 출력하는 제1인버터와, 상기 제1인버터로부터 TZC 신호의 반전 신호(TZCB)를 공급받아 에지를 검출하여 래치수단의 클럭으로 공급받는 에지 검출부와, 미러 신호(MIRR)를 공급받아 그 반전 신호(MIRRB)를 래치수단의 데이타로 공급하는 제2인버터와, 상기 에지 검출부의 출력 신호를 클럭으로 하고, 상기 제2인버터로부터 미러 신호(MIRR)의 반전 신호(MIRRB)를 데이타로 공급받아 신호 흐름 제어 수단의 인에이블 신호를 출력하는 래치수단과, 상기 래치수단의 반전 출력 신호(QB)를 공급받아 반전 신호를 만들어 신호 흐름 제어 수단을 인에이블 시키는 제3인버터와, 상기 래치수단의 반전 출력 신호(QB)와 상기 반전 출력 신호의 반전 신호에 따라 인에이블되어 TZC 신호를 출력하는 신호 흐름 제어 수단으로 이루어지는 것을 특징으로 하는 트랙 점프 능력 향상을 위한 CDP의 브레이크 회로.A first inverter receiving the TZC signal and outputting the inverted signal TZCB to the edge detector, an edge detector receiving the inverted signal TZCB of the TZC signal from the first inverter to detect the edge and supply the clock to the latch means. And a second inverter for receiving the mirror signal MIRR and supplying the inverted signal MIRRB as data of the latching means, and using the output signal of the edge detector as a clock, and the mirror signal MIRR from the second inverter. Enable the signal flow control means by receiving an inverted signal MIRRB of the data and outputting the enable signal of the signal flow control means, and receiving an inverted output signal QB of the latch means to generate an inverted signal. And a third inverter configured to be activated, and a signal flow control means configured to output a TZC signal according to the inverted output signal QB of the latch means and the inverted signal of the inverted output signal. The brake circuit of the CDP for improving track jumping capability, characterized in that it is lost. 제1항에 있어서, 상기한 래치수단은, D-플립플롭으로 이루어지는 것을 특징으로 하는 트랙 점프 능력 향상을 위한 CDP의 브레이크 회로.2. The brake circuit of claim 1, wherein the latch means comprises a D-flip flop. 제1항에 있어서, 상기한 신호 흐름 제어 수단은, 3상태 버퍼로 이루어지는 것을 특징으로 하는 트랙 점프 능력 향상을 위한 CDP의 브레이크 회로.The brake circuit of claim 1, wherein the signal flow control means comprises a three-state buffer. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950023427A 1995-07-31 1995-07-31 Break circuit of compact disc player for improving ability of track jump KR100188097B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950023427A KR100188097B1 (en) 1995-07-31 1995-07-31 Break circuit of compact disc player for improving ability of track jump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950023427A KR100188097B1 (en) 1995-07-31 1995-07-31 Break circuit of compact disc player for improving ability of track jump

Publications (2)

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KR970008007A true KR970008007A (en) 1997-02-24
KR100188097B1 KR100188097B1 (en) 1999-06-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100475035B1 (en) * 1998-06-22 2005-05-27 삼성전자주식회사 Direction detection signal generator and track jump method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180035574A (en) * 2016-09-29 2018-04-06 김병국 Face side decorative exchange method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100475035B1 (en) * 1998-06-22 2005-05-27 삼성전자주식회사 Direction detection signal generator and track jump method

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KR100188097B1 (en) 1999-06-01

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