KR850002535A - 디스크형 기록 캐리어 판독장치 - Google Patents

디스크형 기록 캐리어 판독장치 Download PDF

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Publication number
KR850002535A
KR850002535A KR1019840005382A KR840005382A KR850002535A KR 850002535 A KR850002535 A KR 850002535A KR 1019840005382 A KR1019840005382 A KR 1019840005382A KR 840005382 A KR840005382 A KR 840005382A KR 850002535 A KR850002535 A KR 850002535A
Authority
KR
South Korea
Prior art keywords
signal
jump
disc
light beam
record carrier
Prior art date
Application number
KR1019840005382A
Other languages
English (en)
Other versions
KR920005261B1 (ko
Inventor
빌헬무스 카타리나 그로엔 로베른투수 (외 3)
Original Assignee
아이·엠·레르너
엔·브이·필립스 글로아이람펜파브리켄
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 아이·엠·레르너, 엔·브이·필립스 글로아이람펜파브리켄 filed Critical 아이·엠·레르너
Publication of KR850002535A publication Critical patent/KR850002535A/ko
Application granted granted Critical
Publication of KR920005261B1 publication Critical patent/KR920005261B1/ko

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08517—Methods for track change, selection or preliminary positioning by moving the head with tracking pull-in only
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08529—Methods and circuits to control the velocity of the head as it traverses the tracks
    • G11B7/08535—Methods and circuits to control the velocity of the head as it traverses the tracks to maintain constant velocity during the traverse
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08547—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements
    • G11B7/08564—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements using galvanomirrors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/7605—Television signal recording on discs or drums
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S358/00—Facsimile and static presentation processing
    • Y10S358/907—Track skippers, i.e. "groove skippers"

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
  • Television Signal Processing For Recording (AREA)

Abstract

내용 없음

Description

디스크형 기록 캐리어 판독장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 디스크형 기록 캐리어 판독장치. 제2도는 제1도에 도시된 판독장치의 작동을 설명하기 위한 선도. 제3도는 제1도에 도시된 장치에서 펌프(jump) 신호발생기(14)의 버젼에 대한 사시도.

Claims (3)

  1. 연속화상의 대응화상 소자가 상기 기록캐리어상의 동일 원주 위치에 배치되는 방식으로 비데오신호가 실제의 나선트랙에 기록되고, 어드레스 코드가 필드 동기 펄스 다음의 필드 귀선소거 간격에서 예정위치에 있는 상기 비데오 신호에서의 각 비데오하상의 두필드중 최소한 한 필드에 포함되는 디스크형 기록캐리어 판독장치로서, 기록 캐리어에 의해 변조된 광빔을 기록캐리어에 겨냥하고 상기 변조된 광빔을 전기신호로 변환시키기 위한 광학시스템과, 상기 전기신호를 소망의 트랙과 연관된 광빔의 착신스포트의 방사 위치와 대응하는 방사 추적 에러신호로 변환시키기 위한 수단과 광빔의 착신스포트 착신 위치를 방사추적 에러신호의 함수로서 제어하기 위한 배치수단과 점프신호에 응답하여 광빔의 착신스포트가 예정거리를 넘어 시프트되게 하기 위하여 제어신호를 발생시키기 위한 점프신호발생기와, 상기 점프기강동안 상기 제어신호를 배치수단에 인가하기 위한 수단을 구비하는 디스크형 기록 캐리어 판독장치에 있어서, 필드 귀선소거 간격에서 상기 어드레스 코드를 앞서는 기준점까지의 주기의 지속기간의 연속측정값인 제1신호를 발생시키기 위한 수단과, 점프신호의 명령하에서 상기 점프신호에 응답하여 실행될 점프의 예상 지속기간의 측정값인 제2신호를 발생시키기 위한 수단, 상기 제1 신호 및 상기 제2신호를 연속적으로 비교하고, 두 지속기간이 일치하는 순간과 관련하여 최소한 상기 어드레스 코드를 앞서는 필드 동기펄스 앞에상기 순간이 나타날 경우 점프신호발생기에 이용되는 시작신호를 발생하기 위한 수단을 구비하는 것을 특징으로 하는 디스크형 기록 캐리어 판독장치.
  2. 제1항에 있어서, 제1신호 발생수단은 어드레스 코드가 나타날 때마다 시작하는 카운팅 수단을 구비하는 것을 특징으로 하는 디스크형 기록 캐리어 판독장치.
  3. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019840005382A 1983-09-01 1984-09-01 디스크형 기록 캐리어 판독장치 KR920005261B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8303046A NL8303046A (nl) 1983-09-01 1983-09-01 Inrichting voor het uitlezen van een schijfvormige registratiedrager.
NL8303046 1983-09-01

Publications (2)

Publication Number Publication Date
KR850002535A true KR850002535A (ko) 1985-05-13
KR920005261B1 KR920005261B1 (ko) 1992-06-29

Family

ID=19842334

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840005382A KR920005261B1 (ko) 1983-09-01 1984-09-01 디스크형 기록 캐리어 판독장치

Country Status (12)

Country Link
US (1) US4567534A (ko)
EP (1) EP0138245B1 (ko)
JP (1) JPH0783461B2 (ko)
KR (1) KR920005261B1 (ko)
AT (1) ATE40486T1 (ko)
AU (1) AU572885B2 (ko)
CA (1) CA1235500A (ko)
DE (1) DE3476480D1 (ko)
ES (1) ES535485A0 (ko)
HK (1) HK82991A (ko)
NL (1) NL8303046A (ko)
SG (1) SG51190G (ko)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61104337A (ja) * 1984-10-24 1986-05-22 Hitachi Ltd 光学的情報記録再生装置
JPS6273430A (ja) * 1985-09-26 1987-04-04 Canon Inc 光情報記録再生装置
US5166805A (en) * 1985-06-18 1992-11-24 Pioneer Electronic Corporation Disk player with a blanking during fast scanning
US4819219A (en) * 1986-03-25 1989-04-04 Kabushiki Kaisha Toshiba Track jump control system for optical disk apparatus
US4862291A (en) * 1986-11-14 1989-08-29 Pioneer Electronic Corporation Scanning system in information reproducing apparatus
DE3887126T2 (de) * 1987-08-29 1994-04-28 Fujitsu Ltd Methoden zum zugang einer optischen aufzeichnungsspur.
US4897827A (en) * 1987-12-12 1990-01-30 U.S. Philips Corporation Video disc player with rapid track access means
AU661829B2 (en) * 1990-09-19 1995-08-10 Philips Electronics N.V. Picture retrieval system, and record carrier and device for use in the system
NL9002113A (nl) * 1990-09-19 1992-04-16 Koninkl Philips Electronics Nv Beeldopzoeksysteem, alsmede een registratiedrager en een inrichting voor toepassing in het systeem.
USRE40957E1 (en) 1992-01-29 2009-11-10 Panasonic Corporation Medium, apparatus, and method related to encryption resultant information
US5473584A (en) 1992-01-29 1995-12-05 Matsushita Electric Industrial Co., Ltd. Recording and reproducing apparatus
DE69426795T2 (de) * 1993-07-27 2001-11-08 Matsushita Electric Ind Co Ltd Aufzeichnungs- und Wiedergabegerät
JP3826856B2 (ja) * 2002-08-05 2006-09-27 ソニー株式会社 再生制御装置と再生制御方法および再生制御プログラム

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2349191A1 (fr) * 1976-04-23 1977-11-18 Thomson Brandt Lecteur optique de disque d'information comportant un dispositif d'acces automatique aux informations
FR2396379A1 (fr) * 1977-07-01 1979-01-26 Thomson Brandt Lecteur optique de disque d'information muni d'un dispositif d'acces automatique aux informations
JPS576443A (en) * 1980-06-13 1982-01-13 Matsushita Electric Ind Co Ltd Recorder and reproducer
JPS5753880A (en) * 1980-09-12 1982-03-31 Victor Co Of Japan Ltd Detector of periodic signal
JPS5765075A (en) * 1980-10-08 1982-04-20 Trio Kenwood Corp High speed reproduction method of video disc
JPS57104386A (en) * 1980-12-19 1982-06-29 Trio Kenwood Corp Video disc playback device
JPS57120272A (en) * 1981-01-14 1982-07-27 Victor Co Of Japan Ltd Reproducing device for discoid information recording medium
JPS57150173A (en) * 1981-03-12 1982-09-16 Victor Co Of Japan Ltd Reproducer for disc shape information recording medium
JPS5862868A (ja) * 1981-10-09 1983-04-14 Pioneer Video Corp 情報再生装置における高速アドレス情報探索方式
JPS5896474A (ja) * 1981-12-04 1983-06-08 Matsushita Electric Ind Co Ltd ビデオデイスク再生装置
JPS58171730A (ja) * 1982-03-31 1983-10-08 Sony Corp デイスク再生装置
US4536863A (en) * 1982-04-15 1985-08-20 Discovision Associates Method and apparatus for recovering information from a videodisc
JPS58196047U (ja) * 1982-06-18 1983-12-27 日立精機株式会社 減速装置

Also Published As

Publication number Publication date
JPS6090480A (ja) 1985-05-21
AU3258584A (en) 1985-03-07
HK82991A (en) 1991-11-01
SG51190G (en) 1990-08-31
EP0138245B1 (en) 1989-01-25
ES8505486A1 (es) 1985-05-16
AU572885B2 (en) 1988-05-19
ATE40486T1 (de) 1989-02-15
JPH0783461B2 (ja) 1995-09-06
NL8303046A (nl) 1985-04-01
DE3476480D1 (en) 1989-03-02
ES535485A0 (es) 1985-05-16
US4567534A (en) 1986-01-28
EP0138245A1 (en) 1985-04-24
KR920005261B1 (ko) 1992-06-29
CA1235500A (en) 1988-04-19

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A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
LAPS Lapse due to unpaid annual fee