DE69024170T2 - Servokreis für Bilddreher - Google Patents
Servokreis für BilddreherInfo
- 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
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, 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
- G11B19/02—Control of operating function, e.g. switching from recording to 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
- G11B7/002—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
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
-
- 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
-
- 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
- G11B7/1359—Single prisms
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Control Of Electric Motors In General (AREA)
- Optical Head (AREA)
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)
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)
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 |
-
1989
- 1989-10-16 JP JP1268843A patent/JP2811816B2/ja not_active Expired - Fee Related
-
1990
- 1990-10-10 KR KR1019900016002A patent/KR100187907B1/ko not_active IP Right Cessation
- 1990-10-15 US US07/597,151 patent/US5155720A/en not_active Expired - Lifetime
- 1990-10-16 DE DE69024170T patent/DE69024170T2/de not_active Expired - Fee Related
- 1990-10-16 EP EP90402907A patent/EP0424250B1/de not_active Expired - Lifetime
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 |