DE69024170T2 - Servokreis für Bilddreher - Google Patents

Servokreis für Bilddreher

Info

Publication number
DE69024170T2
DE69024170T2 DE69024170T DE69024170T DE69024170T2 DE 69024170 T2 DE69024170 T2 DE 69024170T2 DE 69024170 T DE69024170 T DE 69024170T DE 69024170 T DE69024170 T DE 69024170T DE 69024170 T2 DE69024170 T2 DE 69024170T2
Authority
DE
Germany
Prior art keywords
servo circuit
image rotators
rotators
image
servo
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
DE69024170T
Other languages
English (en)
Other versions
DE69024170D1 (de
Inventor
Tatsuya Narahara
Yoshiteru Kamatani
Takashi Nakao
Hiroshi Miyoshi
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.)
Sony Corp
Original Assignee
Sony 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
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69024170D1 publication Critical patent/DE69024170D1/de
Publication of DE69024170T2 publication Critical patent/DE69024170T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02Control of operating function, e.g. switching from recording to reproducing
    • 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • 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
    • 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
    • G11B7/1359Single prisms

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Control Of Electric Motors In General (AREA)
  • Optical Head (AREA)
DE69024170T 1989-10-16 1990-10-16 Servokreis für Bilddreher Expired - Fee Related DE69024170T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1268843A JP2811816B2 (ja) 1989-10-16 1989-10-16 イメージローテータのサーボ回路

Publications (2)

Publication Number Publication Date
DE69024170D1 DE69024170D1 (de) 1996-01-25
DE69024170T2 true DE69024170T2 (de) 1996-05-02

Family

ID=17464041

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69024170T Expired - Fee Related DE69024170T2 (de) 1989-10-16 1990-10-16 Servokreis für Bilddreher

Country Status (5)

Country Link
US (1) US5155720A (de)
EP (1) EP0424250B1 (de)
JP (1) JP2811816B2 (de)
KR (1) KR100187907B1 (de)
DE (1) DE69024170T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3194390B2 (ja) * 1991-08-09 2001-07-30 ソニー株式会社 光走査位置合わせ方法、光の集光装置、光記録方法および光記録装置
JPH05109092A (ja) * 1991-10-14 1993-04-30 Sony Corp 光テープ記録再生装置
US5524105A (en) * 1992-12-29 1996-06-04 Eastman Kodak Company Helical optical tape read/write system using at least one laser array
US7969832B2 (en) * 2006-02-02 2011-06-28 Oracle America, Inc. Optical tape drive systems
JP2011151154A (ja) 2010-01-20 2011-08-04 Fujitsu Ltd 逆流防止装置、電子装置および逆流防止装置の製造方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3503058A (en) * 1967-03-06 1970-03-24 Bell Telephone Labor Inc Multiple memory synchronizing arrangement
US4163600A (en) * 1974-10-21 1979-08-07 Eli S. Jacobs Light beam scanner
US4495609A (en) * 1975-03-10 1985-01-22 Digital Recording Corporation Recording and playback system
US4661941A (en) * 1979-09-18 1987-04-28 Rca Corporation Optical video or data tape record and playback apparatus
US4669070A (en) * 1979-09-18 1987-05-26 Rca Corporation Signal format for optical tape record/playback system
US4633455A (en) * 1985-03-25 1986-12-30 Rca Corporation Headwheel for a multiple beam optical tape playback system
WO1987002499A1 (en) * 1985-10-10 1987-04-23 Opticon Technology Incorporated Apparatus for recording and reading optical data marks on an optical medium
US4815067A (en) * 1986-10-06 1989-03-21 Thorn Emi Plc. Optical rotary headwheel tape recording system
US4970707A (en) * 1987-09-04 1990-11-13 Hitachi, Ltd. Optical tape apparatus with a tracking control mechanism and/or a focusing control mechanism
JP2595599B2 (ja) * 1987-12-29 1997-04-02 ソニー株式会社 情報記録装置
US4939715A (en) * 1987-12-29 1990-07-03 Minnesota Mining And Manufacturing Company Tape scanning apparatus

Also Published As

Publication number Publication date
KR910008697A (ko) 1991-05-31
KR100187907B1 (ko) 1999-06-01
JP2811816B2 (ja) 1998-10-15
EP0424250B1 (de) 1995-12-13
EP0424250A2 (de) 1991-04-24
DE69024170D1 (de) 1996-01-25
JPH03130935A (ja) 1991-06-04
US5155720A (en) 1992-10-13
EP0424250A3 (en) 1992-01-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee