FI945104A - Optinen nauhatallennuslaite, jolla on suuri datanopeus - Google Patents

Optinen nauhatallennuslaite, jolla on suuri datanopeus Download PDF

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Publication number
FI945104A
FI945104A FI945104A FI945104A FI945104A FI 945104 A FI945104 A FI 945104A FI 945104 A FI945104 A FI 945104A FI 945104 A FI945104 A FI 945104A FI 945104 A FI945104 A FI 945104A
Authority
FI
Finland
Prior art keywords
read
write
illumination beam
optical tape
storage device
Prior art date
Application number
FI945104A
Other languages
English (en)
Swedish (sv)
Other versions
FI945104A0 (fi
Inventor
John D Boardman
Scott M Hamilton
Mervin L Gangstead
Jimmie L Sadler
Richard A Trimble
Jeffrey P Welch
Original Assignee
E Systems 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 E Systems Inc filed Critical E Systems Inc
Publication of FI945104A publication Critical patent/FI945104A/fi
Publication of FI945104A0 publication Critical patent/FI945104A0/fi

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1362Mirrors
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/002Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/003Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent
    • G11B7/0031Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent using a rotating head, e.g. helicoidal recording
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/14Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Mechanical Optical Scanning Systems (AREA)
FI945104A 1992-05-01 1994-10-31 Optinen nauhatallennuslaite, jolla on suuri datanopeus FI945104A0 (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US87753592A 1992-05-01 1992-05-01
PCT/US1993/003602 WO1993022765A1 (en) 1992-05-01 1993-04-22 High data rate optical tape recorder

Publications (2)

Publication Number Publication Date
FI945104A true FI945104A (fi) 1994-10-31
FI945104A0 FI945104A0 (fi) 1994-10-31

Family

ID=25370177

Family Applications (1)

Application Number Title Priority Date Filing Date
FI945104A FI945104A0 (fi) 1992-05-01 1994-10-31 Optinen nauhatallennuslaite, jolla on suuri datanopeus

Country Status (8)

Country Link
EP (1) EP0647345A1 (fi)
JP (1) JP3470297B2 (fi)
AU (1) AU4105493A (fi)
CA (1) CA2134325C (fi)
FI (1) FI945104A0 (fi)
IL (1) IL105524A (fi)
MX (1) MX9302530A (fi)
WO (1) WO1993022765A1 (fi)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6396042B1 (en) 1999-10-19 2002-05-28 Raytheon Company Digital laser image recorder including delay lines
US9366874B2 (en) 2010-07-16 2016-06-14 Toptica Photonics Ag Beam combining and deflecting device with one or more risley prism pairs deflecting an input beam in an adjustable direction
US8225339B1 (en) * 2011-06-17 2012-07-17 Oracle International Corporation Rotary head data storage and retrieval system and method

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL70164C (fi) * 1949-07-10
DE2022265C3 (de) * 1970-05-06 1974-08-15 Siemens Ag, 1000 Berlin Und 8000 Muenchen Anordnung zur Aufzeichnung und Wiedergabe analoger und digitaler Daten auf einem lichtempfindlichen Band
US3809806A (en) * 1972-10-18 1974-05-07 Columbia Broadcasting Syst Inc Banding correction system for film recording apparatus
US4090031A (en) * 1974-10-21 1978-05-16 Eli S. Jacobs Multi-layered opitcal data records and playback apparatus
US4321700A (en) * 1974-10-21 1982-03-23 Digital Recording Corporation Optical track segment intercept apparatus
US4494226A (en) * 1981-10-15 1985-01-15 Burroughs Corporation Three beam optical memory system
US4815067A (en) * 1986-10-06 1989-03-21 Thorn Emi Plc. Optical rotary headwheel tape recording system
US4958338A (en) * 1986-12-01 1990-09-18 Miller William P Hierarchically multiplexed optical recording system for storage of digital data
JPH01263953A (ja) * 1988-04-15 1989-10-20 Sony Corp 光学式記録装置

Also Published As

Publication number Publication date
JPH07507177A (ja) 1995-08-03
EP0647345A1 (en) 1995-04-12
MX9302530A (es) 1994-04-29
CA2134325C (en) 2000-01-25
IL105524A (en) 1998-09-24
JP3470297B2 (ja) 2003-11-25
FI945104A0 (fi) 1994-10-31
WO1993022765A1 (en) 1993-11-11
EP0647345A4 (en) 1994-11-21
CA2134325A1 (en) 1993-11-11
AU4105493A (en) 1993-11-29

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Legal Events

Date Code Title Description
FD Application lapsed