CA999079A - Optical device for reading out a track carried by a moving data carrier - Google Patents
Optical device for reading out a track carried by a moving data carrierInfo
- Publication number
- CA999079A CA999079A CA164,619A CA164619A CA999079A CA 999079 A CA999079 A CA 999079A CA 164619 A CA164619 A CA 164619A CA 999079 A CA999079 A CA 999079A
- Authority
- CA
- Canada
- Prior art keywords
- optical device
- data carrier
- reading out
- moving data
- track carried
- 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
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
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/095—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble
- G11B7/0953—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for eccentricity of the disc or disc tracks
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7206886A FR2174353A5 (sv) | 1972-02-29 | 1972-02-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA999079A true CA999079A (en) | 1976-10-26 |
Family
ID=9094328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA164,619A Expired CA999079A (en) | 1972-02-29 | 1973-02-23 | Optical device for reading out a track carried by a moving data carrier |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3914595A (sv) |
| JP (1) | JPS5855566B2 (sv) |
| CA (1) | CA999079A (sv) |
| DE (1) | DE2310059C2 (sv) |
| FR (1) | FR2174353A5 (sv) |
| GB (1) | GB1421586A (sv) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL171641C (nl) * | 1974-02-13 | 1983-04-18 | Philips Nv | Inrichting voor het uitlezen van een registratiedrager waarop informatie is aangebracht in een optisch uitleesbare structuur. |
| JPS50136007A (sv) * | 1974-04-15 | 1975-10-28 | ||
| US4128481A (en) * | 1975-02-07 | 1978-12-05 | Erwin Sick Gmbh Optik-Elektronik | Curve following device |
| DE2661050C2 (sv) * | 1975-10-08 | 1987-06-25 | Olympus Optical Co., Ltd., Tokio/Tokyo, Jp | |
| JPS5946053B2 (ja) * | 1975-10-08 | 1984-11-10 | オリンパス光学工業株式会社 | 情報読取装置における情報検出ヘツド |
| NL176315C (nl) * | 1976-05-12 | 1985-03-18 | Philips Nv | Optische aftastinrichting. |
| US4302830A (en) * | 1978-05-10 | 1981-11-24 | Olympus Optical Company Ltd. | Optical information reading-out apparatus |
| FR2425782B1 (fr) * | 1978-05-10 | 1988-02-12 | Olympus Optical Co | Appareil de lecture d'informations optiques |
| JPS54146612A (en) * | 1978-05-10 | 1979-11-16 | Olympus Optical Co Ltd | Optical information read device |
| JPS5545171A (en) * | 1978-09-26 | 1980-03-29 | Mitsubishi Electric Corp | Track detection controller |
| US4232337A (en) * | 1978-12-13 | 1980-11-04 | Mca Discovision, Inc. | Method and apparatus for tracking an optically readable information track |
| GB2052829B (en) * | 1979-04-27 | 1983-01-12 | Olympus Optical Co | Apparatus for driving objective lens in tracking direction |
| NL8006183A (nl) * | 1979-11-12 | 1981-06-01 | Nippon Telegraph & Telephone | Opneemorgaan voor gebruik in video- en/of audio- -informatie uitleesinrichtingen. |
| US4408314A (en) * | 1980-02-29 | 1983-10-04 | Tokyo Shibaura Denki Kabushiki Kaisha | Record/playback track tracking servo |
| JPS56163530A (en) * | 1980-05-21 | 1981-12-16 | Matsushita Electric Ind Co Ltd | Optical recorder and reproducer |
| JPS56165938A (en) * | 1980-05-23 | 1981-12-19 | Sharp Corp | Optical scanner |
| JPS6220901Y2 (sv) * | 1980-08-18 | 1987-05-27 | ||
| JPS57107130U (sv) * | 1980-12-17 | 1982-07-01 | ||
| FR2497378B1 (fr) * | 1980-12-29 | 1985-06-28 | Thomson Csf | Dispositif compensateur de desequilibre d'un miroir de renvoi appartenant a un systeme optique d'eclairement d'un support d'information |
| JPS57118541U (sv) * | 1981-01-12 | 1982-07-23 | ||
| JPS57147143A (en) * | 1981-03-07 | 1982-09-10 | Olympus Optical Co Ltd | Objective lens driving device |
| FR2511537B1 (fr) * | 1981-08-14 | 1986-09-05 | Thomson Csf | Dispositif optique de suivi de piste a echantillonnage |
| JPS58171731A (ja) * | 1983-02-21 | 1983-10-08 | Mitsubishi Electric Corp | デイスク再生装置 |
| JPH07107744B2 (ja) * | 1984-05-16 | 1995-11-15 | 松下電器産業株式会社 | 光ディスクの再生方法 |
| US5089712A (en) * | 1989-06-08 | 1992-02-18 | Hewlett-Packard Company | Sheet advancement control system detecting fiber pattern of sheet |
| JP2747332B2 (ja) * | 1989-07-05 | 1998-05-06 | 三菱電機株式会社 | 光ヘッド |
| US5293366A (en) * | 1990-07-26 | 1994-03-08 | Canon Kabushiki Kaisha | Information recording and reproducing apparatus provided with means for adding to a tracking signal offset corresponding to the positional deviation of a recording spot and a reproducing spot |
| US5880456A (en) * | 1997-05-09 | 1999-03-09 | Hewlett-Packard Company | Circuit provides a normalized position signal for lateral photoeffect position sensor |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2489305A (en) * | 1948-02-12 | 1949-11-29 | Miles A Mclennan | Photoelectric curve following device |
| US2972660A (en) * | 1952-09-03 | 1961-02-21 | Moore And Hall | Frequency adjustment system |
| US3018555A (en) * | 1956-12-12 | 1962-01-30 | Servo Corp Of America | Aircraft velocity-altitude ratio meter |
| US3209152A (en) * | 1960-02-04 | 1965-09-28 | Westinghouse Canada Ltd | Photoelectric scanner for line tracing |
| US3381086A (en) * | 1962-08-16 | 1968-04-30 | Minnesota Mining & Mfg | Reproduction of television signals from photographic disc recordings |
| US3473157A (en) * | 1965-12-23 | 1969-10-14 | Universal Drafting Machine Cor | Automatic drafting-digitizing apparatus |
| US3597619A (en) * | 1965-12-23 | 1971-08-03 | Universal Drafting Machine Cor | Automatic drafting-digitizing apparatus |
| US3448284A (en) * | 1966-06-28 | 1969-06-03 | Bolkow Gmbh | Light beam direction detector with reciprocating lens |
| GB1153549A (en) * | 1967-09-22 | 1969-05-29 | Gauss Electrophysics Inc | Servo-Controlled Playback Means for Records |
| US3544980A (en) * | 1968-03-22 | 1970-12-01 | Peripheral Systems Corp | Magnetic recording disc drive with head positioning and collision avoidance apparatus |
| US3528337A (en) * | 1968-06-17 | 1970-09-15 | David H Dulebohn | Tracing machine |
| US3530258A (en) * | 1968-06-28 | 1970-09-22 | Mca Technology Inc | Video signal transducer having servo controlled flexible fiber optic track centering |
| US3609237A (en) * | 1969-01-27 | 1971-09-28 | Gerber Scientific Instr Co | Line or edge digitizing system with means for automatically outputting only data truly representative of the line or edge being digitized |
| US3659175A (en) * | 1970-06-08 | 1972-04-25 | Information Storage Systems | Circuit to prevent oscillation in an electronic servosystem |
-
1972
- 1972-02-29 FR FR7206886A patent/FR2174353A5/fr not_active Expired
-
1973
- 1973-02-23 US US335429A patent/US3914595A/en not_active Expired - Lifetime
- 1973-02-23 CA CA164,619A patent/CA999079A/en not_active Expired
- 1973-02-26 GB GB942973A patent/GB1421586A/en not_active Expired
- 1973-02-28 JP JP48023356A patent/JPS5855566B2/ja not_active Expired
- 1973-02-28 DE DE2310059A patent/DE2310059C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2310059A1 (de) | 1973-09-13 |
| US3914595A (en) | 1975-10-21 |
| JPS48101103A (sv) | 1973-12-20 |
| DE2310059C2 (de) | 1982-05-06 |
| FR2174353A5 (sv) | 1973-10-12 |
| JPS5855566B2 (ja) | 1983-12-10 |
| GB1421586A (en) | 1976-01-21 |
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