KR920022269A - Recording pulse width adjusting circuit of magneto-optical disk - Google Patents

Recording pulse width adjusting circuit of magneto-optical disk Download PDF

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Publication number
KR920022269A
KR920022269A KR1019910009029A KR910009029A KR920022269A KR 920022269 A KR920022269 A KR 920022269A KR 1019910009029 A KR1019910009029 A KR 1019910009029A KR 910009029 A KR910009029 A KR 910009029A KR 920022269 A KR920022269 A KR 920022269A
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KR
South Korea
Prior art keywords
pulse
recording
magneto
output
optical disk
Prior art date
Application number
KR1019910009029A
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Korean (ko)
Inventor
고성로
이경호
Original Assignee
정용문
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.)
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Publication date
Application filed by 정용문, 삼성전자 주식회사 filed Critical 정용문
Priority to KR1019910009029A priority Critical patent/KR920022269A/en
Publication of KR920022269A publication Critical patent/KR920022269A/en

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Abstract

내용 없음.No content.

Description

광자기 디스크의 기록펄스폭 조정회로Recording pulse width adjusting circuit of magneto-optical disk

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

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

제2도(a), (b) 및 (c)는 제1도에 있어서, 과아기 디스크의 반경크기에 대한 정보의 조합신호에 따라 최종 출력되는 기록펄스의 폭을 나타내는 타이밍도이다.2 (a), (b) and (c) are timing charts showing the width of the recording pulse finally output in accordance with the combined signal of the information on the radius size of the overdriven disk in FIG.

Claims (1)

광자기 디스크 드라이브에 있어서, 펄스발생기의 시간지연장치로 부터 제공되는 각기 t1∼t3의 시간지연펄스 N1∼N3가 광자기 디스크의 반경크기에 대한 정보 A, B의 조합신호에 의해 선택되게 하는 입력선택부(10)와, 상기 디스크드라이브에서의 데이타 기록시 이상동작의 경우가 발생되며 기록용펄스를 차단시키는 기록용펄스차단부(20)와, 소정펄스로 동기되고 그리고 상기 입력선택부(10)로 부터 출력된 신호펄스를 입력하여 입력펄스와 기준펄스의 차에 대한 펄스폭을 갖는 신호펄스를 출력하는 플립플롭(30)과, 상기 플립플롭(30)의 출력을 사용하여 기록용펄스 ALPCH와 ALPCL를 출력하는 기능과 기록동작을 제어하는 기록제어신호 MON을 출격하는 기능제어퍼스출력(40)와, 기록제어신호 WR-ENABLE와 기록 바이어스신호 WR-BIAS 및 소거 바이어스신호 ER-BIAS를 이용하여 기록 및 소거 바이어스를 출력하는 기록 및 소거 바이어스출력부(50)와, 그리고 과도상태시에서의 최종출력신호인 ALPCH와 ALPCL의 안정시간을 보정하기 위한 시간보정부(60)을 포함한 광자기 디스크의 기록펄스폭 조정회로.In a magneto-optical disk drive, time delay pulses N 1 to N 3 of t 1 to t 3 provided from the time delay device of the pulse generator are combined by a combination signal of information A and B on the radius size of the magneto-optical disk. An input selection unit 10 to be selected, a recording pulse blocking unit 20 for interrupting recording pulses when an abnormal operation occurs when data is written on the disk drive, and synchronized with a predetermined pulse and the input A flip-flop 30 for inputting a signal pulse output from the selector 10 to output a signal pulse having a pulse width with respect to the difference between the input pulse and the reference pulse, and using the output of the flip-flop 30 A function control output 40 for outputting the recording pulses ALPCH and ALPCL and a recording control signal MON for controlling the recording operation; -BIAS Magneto-optical magnetism including a write and erase bias output section 50 for outputting a write and erase bias by using the same, and a time compensator 60 for correcting the settling time of ALPCH and ALPCL, the final output signals in the transient state. Disk recording pulse width adjustment circuit. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910009029A 1991-05-31 1991-05-31 Recording pulse width adjusting circuit of magneto-optical disk KR920022269A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910009029A KR920022269A (en) 1991-05-31 1991-05-31 Recording pulse width adjusting circuit of magneto-optical disk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910009029A KR920022269A (en) 1991-05-31 1991-05-31 Recording pulse width adjusting circuit of magneto-optical disk

Publications (1)

Publication Number Publication Date
KR920022269A true KR920022269A (en) 1992-12-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910009029A KR920022269A (en) 1991-05-31 1991-05-31 Recording pulse width adjusting circuit of magneto-optical disk

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KR (1) KR920022269A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100656069B1 (en) * 2000-12-05 2006-12-08 두산인프라코어 주식회사 A current amplification circuit of the electric powered vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100656069B1 (en) * 2000-12-05 2006-12-08 두산인프라코어 주식회사 A current amplification circuit of the electric powered vehicle

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