DE3675426D1 - Verfahren zum lesen optisch aufgezeichneter daten und vorrichtung dafuer. - Google Patents

Verfahren zum lesen optisch aufgezeichneter daten und vorrichtung dafuer.

Info

Publication number
DE3675426D1
DE3675426D1 DE8686302929T DE3675426T DE3675426D1 DE 3675426 D1 DE3675426 D1 DE 3675426D1 DE 8686302929 T DE8686302929 T DE 8686302929T DE 3675426 T DE3675426 T DE 3675426T DE 3675426 D1 DE3675426 D1 DE 3675426D1
Authority
DE
Germany
Prior art keywords
recorded data
device therefor
optically recorded
reading optically
reading
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE8686302929T
Other languages
English (en)
Inventor
Fumio Computer Services Kimura
Shunzu Computer Serv Takahashi
Yukio Computer Servic Hamasaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CSK Corp
Original Assignee
Computer Services Corp
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
Priority claimed from JP8348285A external-priority patent/JPS61242339A/ja
Priority claimed from JP8569785A external-priority patent/JPS61243944A/ja
Priority claimed from JP10664085A external-priority patent/JPS61264517A/ja
Application filed by Computer Services Corp filed Critical Computer Services Corp
Application granted granted Critical
Publication of DE3675426D1 publication Critical patent/DE3675426D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/01—Details
    • G06K7/015—Aligning or centering of the sensing device with respect to the record carrier
    • 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
    • G11B17/34—Guiding record carriers during transducing operation, e.g. for track following
    • 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
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/0033—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with cards or other card-like flat carriers, e.g. flat sheets of optical film
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing
    • 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
    • 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
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0901—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following only
DE8686302929T 1985-04-18 1986-04-18 Verfahren zum lesen optisch aufgezeichneter daten und vorrichtung dafuer. Expired - Fee Related DE3675426D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP8348285A JPS61242339A (ja) 1985-04-18 1985-04-18 光記録媒体の基準線検知装置
JP8569785A JPS61243944A (ja) 1985-04-22 1985-04-22 光記録情報読取装置のデ−タ列検知装置
JP10664085A JPS61264517A (ja) 1985-05-18 1985-05-18 光記録情報読取方法および装置

Publications (1)

Publication Number Publication Date
DE3675426D1 true DE3675426D1 (de) 1990-12-13

Family

ID=27304236

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686302929T Expired - Fee Related DE3675426D1 (de) 1985-04-18 1986-04-18 Verfahren zum lesen optisch aufgezeichneter daten und vorrichtung dafuer.

Country Status (3)

Country Link
US (1) US4855981A (de)
EP (1) EP0200434B1 (de)
DE (1) DE3675426D1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0719392B2 (ja) * 1985-11-26 1995-03-06 株式会社シーエスケイ 光記録媒体の角度変位修正方法
JPS62125567A (ja) * 1985-11-26 1987-06-06 Csk Corp 光記録媒体の角度変位修正方法
US4817067A (en) * 1986-01-27 1989-03-28 Csk Corporation Optical recording medium
US4982391A (en) * 1987-02-20 1991-01-01 Canon Kabushiki Kaisha Method and apparatus for accessing a desired track of a recording medium during a stopped state of recording or reproduction
US5280160A (en) * 1987-02-27 1994-01-18 Canon Kabushiki Kaisha Recording and reproducing method and apparatus compensating for predicted deviation based on detected relative skewing of recording medium
EP0296590B1 (de) * 1987-06-23 1993-10-27 Omron Tateisi Electronics Co. Verarbeitungsgerät für optische Karten
US5264687A (en) * 1987-06-23 1993-11-23 Omron Tateisi Electronics, Co. Optical card processing apparatus
DE3852350T2 (de) * 1987-07-22 1995-07-27 Omron Tateisi Electronics Co Gerät zur Feststellung der Neigung einer optischen Karte.
US5179268A (en) * 1987-07-22 1993-01-12 Omron Tateisi Electronic Co. Apparatus for detecting inclination of an optical card
JP2549664B2 (ja) * 1987-07-31 1996-10-30 オリンパス光学工業株式会社 光カ−ド装置
JPH07117978B2 (ja) * 1988-09-20 1995-12-18 株式会社シーエスケイ 光記録媒体の読取りシステム
US5187698A (en) * 1988-09-20 1993-02-16 Kabushiki Kaisha Csk Data reading apparatus for identifying position of data tracks
US5138140A (en) * 1990-08-22 1992-08-11 Symbol Technologies, Inc. Signature capture using electro-optical scanning
JPH04356729A (ja) * 1991-03-28 1992-12-10 Olympus Optical Co Ltd 光学的情報記録再生装置
JPH04335214A (ja) * 1991-05-09 1992-11-24 Olympus Optical Co Ltd 情報記録再生装置
US5199084A (en) * 1991-08-16 1993-03-30 International Business Machines Corporation Apparatus and method for locating characters on a label
US7436760B2 (en) * 2003-08-21 2008-10-14 Transpacific Ip, Llp Method for reading sensor

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5331920A (en) * 1976-09-06 1978-03-25 Nippon Denso Co Ltd Bar code reader
US4189783A (en) * 1977-02-25 1980-02-19 Stanford Research Institute Mass storage of books
US4536866A (en) * 1978-11-30 1985-08-20 Videonics Of Hawaii, Inc. Information retrieval system and apparatus
US4283777A (en) * 1979-05-14 1981-08-11 Xerox Corporation Optical memory having a parallel read out
JPS5661078A (en) * 1979-10-23 1981-05-26 Toshiba Corp Recording system for index information
US4321622A (en) * 1979-11-26 1982-03-23 Mcdonnell Douglas Corporation Video track transfer system and method
JPS56145535A (en) * 1980-04-15 1981-11-12 Matsushita Electric Ind Co Ltd Disc for optical recording
US4357596A (en) * 1980-05-30 1982-11-02 Westinghouse Electric Corp. Multi-line scan mark verification circuit
US4695991A (en) * 1980-12-09 1987-09-22 Storage Research Pty. Ltd. Reading information stored in multiple frame format
US5119363A (en) * 1980-12-17 1992-06-02 Matsushita Electric Industrial Company, Ltd. Optical disk having an index mark
GB8309447D0 (en) * 1983-04-07 1983-05-11 Combined Tech Corp Plc Optical data storage
US4544184A (en) * 1983-07-07 1985-10-01 Freund Precision, Inc. Tamper-proof identification card and identification system
US4634850A (en) * 1983-10-12 1987-01-06 Drexler Technology Corporation Quad density optical data system
US4598393A (en) * 1984-04-06 1986-07-01 Drexler Technology Corporation Three-beam optical servo tracking system with two-track parallel readout
JPS60261043A (ja) * 1984-06-07 1985-12-24 Victor Co Of Japan Ltd 情報記録媒体円盤
US4652730A (en) * 1985-01-03 1987-03-24 Honeywell Information Systems Inc. Method and apparatus for skew compensation in an optical reader

Also Published As

Publication number Publication date
EP0200434B1 (de) 1990-11-07
US4855981A (en) 1989-08-08
EP0200434A1 (de) 1986-11-05

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Legal Events

Date Code Title Description
8380 Miscellaneous part iii

Free format text: DER PATENTINHABER LAUTET RICHTIG: CSK CORP., TOKIO/TOKYO, JP

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee