NL7704296A - Optische leesinrichting van een informatieschijf, voorzien van een automatische toeganginrichting voor de informatie. - Google Patents

Optische leesinrichting van een informatieschijf, voorzien van een automatische toeganginrichting voor de informatie.

Info

Publication number
NL7704296A
NL7704296A NL7704296A NL7704296A NL7704296A NL 7704296 A NL7704296 A NL 7704296A NL 7704296 A NL7704296 A NL 7704296A NL 7704296 A NL7704296 A NL 7704296A NL 7704296 A NL7704296 A NL 7704296A
Authority
NL
Netherlands
Prior art keywords
information
optical reader
automatic access
disc equipped
access device
Prior art date
Application number
NL7704296A
Other languages
English (en)
Other versions
NL183909C (nl
Original Assignee
Thomson Brandt Sa
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 Thomson Brandt Sa filed Critical Thomson Brandt Sa
Publication of NL7704296A publication Critical patent/NL7704296A/nl
Application granted granted Critical
Publication of NL183909C publication Critical patent/NL183909C/nl

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/022—Programmed access in sequence to indexed parts of operating record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • G11B27/3036—Time code signal
    • G11B27/3054—Vertical Interval Time code [VITC]
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
NLAANVRAGE7704296,A 1976-04-23 1977-04-20 Optische leesinrichting. NL183909C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7612067A FR2349191A1 (fr) 1976-04-23 1976-04-23 Lecteur optique de disque d'information comportant un dispositif d'acces automatique aux informations

Publications (2)

Publication Number Publication Date
NL7704296A true NL7704296A (nl) 1977-10-25
NL183909C NL183909C (nl) 1989-02-16

Family

ID=9172241

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7704296,A NL183909C (nl) 1976-04-23 1977-04-20 Optische leesinrichting.

Country Status (11)

Country Link
US (1) US4106058A (nl)
JP (1) JPS52152704A (nl)
CA (1) CA1093691A (nl)
CS (1) CS254952B2 (nl)
DE (1) DE2718092C2 (nl)
FR (1) FR2349191A1 (nl)
GB (1) GB1573031A (nl)
IT (1) IT1086888B (nl)
NL (1) NL183909C (nl)
PL (1) PL115268B1 (nl)
SU (1) SU929021A3 (nl)

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FR2376486A1 (fr) * 1977-01-04 1978-07-28 Thomson Brandt Systeme generateur d'impulsion de saut de piste et lecteur optique muni d'un tel systeme
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
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ATE44106T1 (de) * 1978-06-30 1989-06-15 Discovision Ass Verfahren und vorrichtung zur informationswiedergabe von einem optisch lesbaren speichermedium.
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JPS5850675A (ja) * 1981-09-18 1983-03-25 Victor Co Of Japan Ltd 円盤状情報記録媒体の情報記録信号トラツク検索方式
JPS58122676A (ja) * 1982-01-16 1983-07-21 Sony Corp デイスクのトラツク・ジヤンプ装置
US4443869A (en) * 1981-09-28 1984-04-17 Rca Corporation Track jump servo system for disc player
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
DE3280467T3 (de) * 1981-10-28 2000-01-05 Discovision Associates Costa M Verfahren zur Wiedergabe von Information aus einer ausgewählten Spur einer Aufzeichnungsplatte.
KR880000999B1 (ko) * 1981-11-25 1988-06-10 미쓰다 가쓰시게 광학적 정보 기억장치
CA1212729A (en) * 1981-12-08 1986-10-14 Hiroshi Ogawa Digital signal detecting and compensating circuit with adjustable window signal
US4774699A (en) * 1981-12-21 1988-09-27 Discovision Associates Method and apparatus for positioning a read head to a selected track on a record disc
US4701898A (en) * 1981-12-21 1987-10-20 Discovision Associates Method and apparatus for locating a selected track on a record disc
US4432082A (en) * 1982-02-17 1984-02-14 Burroughs Corporation Optical memory system having a long seek capability
US4489406A (en) * 1982-02-17 1984-12-18 Burroughs Corporation Optical memory system having a short seek capability
US4432083A (en) * 1982-02-17 1984-02-14 Burroughs Corporation Optical memory system having track following
US4435797A (en) * 1982-02-17 1984-03-06 Burroughs Corporation Optical memory system having track following and seeking capabilities
JPS58158081A (ja) * 1982-03-15 1983-09-20 Toshiba Corp 情報記録装置
JPS58166567A (ja) * 1982-03-26 1983-10-01 Matsushita Electric Ind Co Ltd 情報トラックの検索装置
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JPS59119580A (ja) * 1982-12-27 1984-07-10 Toshiba Corp デイスクレコ−ド再生装置
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NL8303046A (nl) * 1983-09-01 1985-04-01 Philips Nv Inrichting voor het uitlezen van een schijfvormige registratiedrager.
EP0125019A1 (en) * 1983-04-05 1984-11-14 Pioneer Electronic Corporation Device for controlling recording track jump operations
JPS59193553A (ja) * 1983-04-19 1984-11-02 Nec Corp 光デイスクシステムにおけるトラツクアクセス装置
JPS59198571A (ja) * 1983-04-22 1984-11-10 Asahi Optical Co Ltd ビデオデイスク再生装置における高速サ−チ方式
WO1984004990A1 (en) * 1983-06-07 1984-12-20 Storage Technology Partners A system and method for organizing and managing data stored on an informational disk
NL8303029A (nl) * 1983-08-31 1985-03-18 Philips Nv Inrichting voor het uitlezen van een schijfvormige optische registratiedrager.
JP2510410B2 (ja) * 1983-10-27 1996-06-26 パイオニア株式会社 デイスクプレ−ヤの情報選択装置
JPS6093172U (ja) * 1983-11-30 1985-06-25 パイオニア株式会社 記録情報再生装置
JPS60102769U (ja) * 1983-12-14 1985-07-13 パイオニア株式会社 記録情報再生装置
JPS60131640A (ja) * 1983-12-20 1985-07-13 Canon Inc 光デイスク装置のトラツクアクセス方法
JPS60136968A (ja) * 1983-12-26 1985-07-20 Hitachi Ltd 磁気デイスク駆動装置
JPS60145576A (ja) * 1984-01-10 1985-08-01 Canon Inc 光学情報記録再生装置のトラックシーク方法
JPH0690804B2 (ja) * 1984-01-20 1994-11-14 株式会社日立製作所 光学的情報記録再生装置
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JP2557896B2 (ja) * 1987-07-31 1996-11-27 株式会社東芝 ディスク装置
JP2624698B2 (ja) * 1987-08-07 1997-06-25 株式会社東芝 ディスク再生装置
WO1989002150A1 (en) * 1987-08-29 1989-03-09 Fujitsu Limited Methods of accessing an optical recording track
JP2635610B2 (ja) * 1987-09-09 1997-07-30 株式会社東芝 ディスク装置
JPS6467775A (en) * 1987-09-09 1989-03-14 Toshiba Corp Disk device
JP2637118B2 (ja) * 1987-11-10 1997-08-06 株式会社東芝 磁気ディスク装置
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Also Published As

Publication number Publication date
PL115268B1 (en) 1981-03-31
FR2349191B1 (nl) 1982-03-19
FR2349191A1 (fr) 1977-11-18
JPS52152704A (en) 1977-12-19
CA1093691A (en) 1981-01-13
CS262277A2 (en) 1987-07-16
DE2718092C2 (de) 1985-02-21
CS254952B2 (en) 1988-02-15
JPS6114590B2 (nl) 1986-04-19
GB1573031A (en) 1980-08-13
DE2718092A1 (de) 1977-11-10
SU929021A3 (ru) 1982-05-15
NL183909C (nl) 1989-02-16
US4106058A (en) 1978-08-08
IT1086888B (it) 1985-05-31

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BC A request for examination has been filed
A85 Still pending on 85-01-01
BV The patent application has lapsed
V4 Lapsed because of reaching the maximum lifetime of a patent

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