DE69328222T2 - Vorrichtung zum Beschreiben und Lesen eines optischen Speichermediums - Google Patents

Vorrichtung zum Beschreiben und Lesen eines optischen Speichermediums

Info

Publication number
DE69328222T2
DE69328222T2 DE69328222T DE69328222T DE69328222T2 DE 69328222 T2 DE69328222 T2 DE 69328222T2 DE 69328222 T DE69328222 T DE 69328222T DE 69328222 T DE69328222 T DE 69328222T DE 69328222 T2 DE69328222 T2 DE 69328222T2
Authority
DE
Germany
Prior art keywords
writing
reading
storage medium
optical storage
optical
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
DE69328222T
Other languages
English (en)
Other versions
DE69328222D1 (de
Inventor
Jeffrey B Sampsell
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments Inc
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 Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of DE69328222D1 publication Critical patent/DE69328222D1/de
Application granted granted Critical
Publication of DE69328222T2 publication Critical patent/DE69328222T2/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
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/128—Modulators
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1362—Mirrors
    • 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
    • G11B7/0045—Recording
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
DE69328222T 1992-09-18 1993-09-16 Vorrichtung zum Beschreiben und Lesen eines optischen Speichermediums Expired - Fee Related DE69328222T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/947,248 US5325116A (en) 1992-09-18 1992-09-18 Device for writing to and reading from optical storage media

Publications (2)

Publication Number Publication Date
DE69328222D1 DE69328222D1 (de) 2000-05-04
DE69328222T2 true DE69328222T2 (de) 2000-09-28

Family

ID=25485819

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69328222T Expired - Fee Related DE69328222T2 (de) 1992-09-18 1993-09-16 Vorrichtung zum Beschreiben und Lesen eines optischen Speichermediums

Country Status (6)

Country Link
US (1) US5325116A (de)
EP (1) EP0588344B1 (de)
JP (1) JP3251736B2 (de)
KR (1) KR100296068B1 (de)
DE (1) DE69328222T2 (de)
TW (1) TW267229B (de)

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EP0588344A2 (de) 1994-03-23
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DE69328222D1 (de) 2000-05-04
US5325116A (en) 1994-06-28
KR940007808A (ko) 1994-04-28
KR100296068B1 (ko) 2001-10-24
JP3251736B2 (ja) 2002-01-28
EP0588344B1 (de) 2000-03-29
JPH06203407A (ja) 1994-07-22

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