FI945104A - An optical tape storage device with a high data rate - Google Patents

An optical tape storage device with a high data rate Download PDF

Info

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
Finnish (fi)
Swedish (sv)
Other versions
FI945104A0 (en
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/en
Publication of FI945104A0 publication Critical patent/FI945104A0/en

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
    • G11B7/135—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
    • G11B7/003—Recording, 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
    • G11B7/0031—Recording, 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
    • 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
    • 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
    • G11B7/14—Heads, 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

Abstract

The optical tape recorder of the present invention is capable of archiving data at rates in excess of 400 megabits per second by concurrently writing or reading a plurality of data tracks in each data trace. A read-write module (102) outputs an illumination beam (104) comprised of combined multiple write beams (channels), a read beam and an autofocus beam. Optics within the read-write module spatially combine and accurately position the plurality of beams with respect to each other to form the multi-beam illumination beam (104). A read-write head (106) comprised of a synchronized scanning transmissive polygon (110) and rotating lens wheel (112) scans the multi-beam illumination beam (104) across a recording media (108) to read or write multi-channel data tracks. An autofocus system is also included to ensure that the multi-beam illumination beam (104) is accurately focused on the recording media (108).
FI945104A 1992-05-01 1994-10-31 An optical tape storage device with a high data rate FI945104A0 (en)

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 (en) 1994-10-31
FI945104A0 FI945104A0 (en) 1994-10-31

Family

ID=25370177

Family Applications (1)

Application Number Title Priority Date Filing Date
FI945104A FI945104A0 (en) 1992-05-01 1994-10-31 An optical tape storage device with a high data rate

Country Status (8)

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

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 (en) * 1949-07-10
DE2022265C3 (en) * 1970-05-06 1974-08-15 Siemens Ag, 1000 Berlin Und 8000 Muenchen Arrangement for recording and reproducing analog and digital data on a light-sensitive tape
US3809806A (en) * 1972-10-18 1974-05-07 Columbia Broadcasting Syst Inc Banding correction system for film recording apparatus
US4321700A (en) * 1974-10-21 1982-03-23 Digital Recording Corporation Optical track segment intercept apparatus
US4090031A (en) * 1974-10-21 1978-05-16 Eli S. Jacobs Multi-layered opitcal data records and playback apparatus
US4494226A (en) * 1981-10-15 1985-01-15 Burroughs Corporation Three beam optical memory system
EP0263656A3 (en) * 1986-10-06 1989-11-15 Thorn Emi Plc Tape recording
US4958338A (en) * 1986-12-01 1990-09-18 Miller William P Hierarchically multiplexed optical recording system for storage of digital data
JPH01263953A (en) * 1988-04-15 1989-10-20 Sony Corp Optical system recorder

Also Published As

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

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Legal Events

Date Code Title Description
FD Application lapsed