SE443891B - Apparat for avlesning av en skivformad uppteckningsberare - Google Patents
Apparat for avlesning av en skivformad uppteckningsberareInfo
- Publication number
- SE443891B SE443891B SE7910129A SE7910129A SE443891B SE 443891 B SE443891 B SE 443891B SE 7910129 A SE7910129 A SE 7910129A SE 7910129 A SE7910129 A SE 7910129A SE 443891 B SE443891 B SE 443891B
- Authority
- SE
- Sweden
- Prior art keywords
- signal
- deflection element
- power steering
- detector
- control signal
- Prior art date
Links
- 238000001514 detection method Methods 0.000 claims description 21
- 230000003287 optical effect Effects 0.000 claims description 9
- 230000004044 response Effects 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 230000003213 activating effect Effects 0.000 claims description 2
- 230000005855 radiation Effects 0.000 claims description 2
- 230000003993 interaction Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 14
- 238000005259 measurement Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 101100298295 Drosophila melanogaster flfl gene Proteins 0.000 description 1
- 108010068370 Glutens Proteins 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000021312 gluten Nutrition 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
- G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
- G11B7/08517—Methods for track change, selection or preliminary positioning by moving the head with tracking pull-in only
-
- 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
- G11B7/0901—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 for track following only
Landscapes
- Optical Recording Or Reproduction (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7812111A NL7812111A (nl) | 1978-12-13 | 1978-12-13 | Inrichting voor het optisch uitlezen van een schijf- vormige registratiedrager, in het bijzonder het snel opzoeken van een gewenst programmagedeelte. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7910129L SE7910129L (sv) | 1980-06-14 |
| SE443891B true SE443891B (sv) | 1986-03-10 |
Family
ID=19832063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7910129A SE443891B (sv) | 1978-12-13 | 1979-12-10 | Apparat for avlesning av en skivformad uppteckningsberare |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US4330880A (da) |
| JP (1) | JPS5927973B2 (da) |
| AR (1) | AR220790A1 (da) |
| AT (1) | AT371270B (da) |
| AU (1) | AU533655B2 (da) |
| BE (1) | BE880545A (da) |
| BR (1) | BR7908048A (da) |
| CA (1) | CA1161555A (da) |
| DE (1) | DE2949516C2 (da) |
| DK (1) | DK524679A (da) |
| ES (1) | ES486748A1 (da) |
| FR (1) | FR2444314A1 (da) |
| GB (1) | GB2037460B (da) |
| IT (1) | IT1119966B (da) |
| MX (1) | MX151082A (da) |
| NL (1) | NL7812111A (da) |
| NZ (1) | NZ192349A (da) |
| SE (1) | SE443891B (da) |
Families Citing this family (60)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6331218Y2 (da) * | 1979-11-08 | 1988-08-22 | ||
| NL8003305A (nl) * | 1980-06-06 | 1982-01-04 | Philips Nv | Inrichting voor het opzoeken van een gewenst informa- tiespoor. |
| JPS6215864Y2 (da) * | 1980-08-04 | 1987-04-22 | ||
| JPS6331219Y2 (da) * | 1980-11-19 | 1988-08-22 | ||
| JPS57105866A (en) * | 1980-12-23 | 1982-07-01 | Matsushita Electric Ind Co Ltd | Pcm-audio disc playback device |
| JPS6220900Y2 (da) * | 1981-02-06 | 1987-05-27 | ||
| JPS57176568A (en) * | 1981-04-22 | 1982-10-29 | Pioneer Electronic Corp | Relative movement controller between pickup and recording track for information reader |
| JPS57181430A (en) * | 1981-04-30 | 1982-11-08 | Sony Corp | Dad player |
| JPS57186239A (en) * | 1981-05-11 | 1982-11-16 | Sony Corp | Disc reproducing device |
| US4454415A (en) * | 1981-06-30 | 1984-06-12 | Storage Technology Corporation | Tracking mirror assembly and control system for an optical data storage disc |
| JPS58122676A (ja) * | 1982-01-16 | 1983-07-21 | Sony Corp | デイスクのトラツク・ジヤンプ装置 |
| JPS5862868A (ja) * | 1981-10-09 | 1983-04-14 | Pioneer Video Corp | 情報再生装置における高速アドレス情報探索方式 |
| DE3280467T3 (de) * | 1981-10-28 | 2000-01-05 | Discovision Associates, Costa Mesa | Verfahren zur Wiedergabe von Information aus einer ausgewählten Spur einer Aufzeichnungsplatte. |
| KR880000999B1 (ko) * | 1981-11-25 | 1988-06-10 | 미쓰다 가쓰시게 | 광학적 정보 기억장치 |
| US4556964A (en) * | 1981-12-21 | 1985-12-03 | Burroughs Corporation | Technique for monitoring galvo angle |
| US4774699A (en) * | 1981-12-21 | 1988-09-27 | Discovision Associates | Method and apparatus for positioning a read head to a selected track on a record disc |
| US4701898A (en) * | 1981-12-21 | 1987-10-20 | Discovision Associates | Method and apparatus for locating a selected track on a record disc |
| US4466088A (en) * | 1981-12-21 | 1984-08-14 | Burroughs Corporation | Galvo position sensor for track selection in optical data disk system |
| NL8200208A (nl) * | 1982-01-21 | 1983-08-16 | Philips Nv | Inrichting voor het uitlezen van een schijfvormige registratiedrager. |
| US4432083A (en) * | 1982-02-17 | 1984-02-14 | Burroughs Corporation | Optical memory system having track following |
| US4432082A (en) * | 1982-02-17 | 1984-02-14 | Burroughs Corporation | Optical memory system having a long seek capability |
| US4435797A (en) | 1982-02-17 | 1984-03-06 | Burroughs Corporation | Optical memory system having track following and seeking capabilities |
| US4489406A (en) * | 1982-02-17 | 1984-12-18 | Burroughs Corporation | Optical memory system having a short seek capability |
| JPS58143472A (ja) * | 1982-02-22 | 1983-08-26 | Hitachi Ltd | 記録情報再生装置のトラツキングサ−ボ制御装置 |
| JPH0666107B2 (ja) * | 1982-02-26 | 1994-08-24 | 松下電器産業株式会社 | 再生装置 |
| JPH0752564B2 (ja) * | 1982-04-23 | 1995-06-05 | 松下電器産業株式会社 | 再生装置 |
| JPS58188340A (ja) * | 1982-04-28 | 1983-11-02 | Sony Corp | 光学式再生装置 |
| JPS58200473A (ja) * | 1982-05-19 | 1983-11-22 | Pioneer Video Kk | 情報読取装置 |
| JPS5940328A (ja) * | 1982-08-31 | 1984-03-06 | Nec Home Electronics Ltd | 光学ピツクアツプのトラツキング制御回路 |
| US4564757A (en) * | 1982-09-30 | 1986-01-14 | Burroughs Corporation | Mirror position sensor for improved track selection in optical data disk system |
| JPS59116972A (ja) * | 1982-12-23 | 1984-07-06 | Olympus Optical Co Ltd | 光学式記録再生装置用トラッキング装置の異常状態処理装置 |
| JPS59152572A (ja) * | 1983-02-18 | 1984-08-31 | Pioneer Electronic Corp | 光学式デイスク再生装置 |
| DE3324861C2 (de) * | 1983-07-09 | 1986-02-13 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | Lesevorrichtung zum optischen Abtasten von auf einem bewegten plattenförmigen Träger aufgezeichneten Informationen |
| JPS6045984A (ja) * | 1983-08-22 | 1985-03-12 | Sony Corp | 光記録／再生装置 |
| NL8303029A (nl) * | 1983-08-31 | 1985-03-18 | Philips Nv | Inrichting voor het uitlezen van een schijfvormige optische registratiedrager. |
| JPS60102769U (ja) * | 1983-12-14 | 1985-07-13 | パイオニア株式会社 | 記録情報再生装置 |
| US4684797A (en) * | 1984-02-29 | 1987-08-04 | Kabushiki Kaisha Toshiba | Optical system and method for reducing vibration of an objective lens in an optical head assembly of an optical read/write system |
| DE3515472A1 (de) | 1984-04-27 | 1985-11-07 | Pioneer Electronic Corp., Tokio/Tokyo | Automatischer plattenspieler |
| JPS60256927A (ja) * | 1984-06-01 | 1985-12-18 | Nippon Gakki Seizo Kk | 光学式デイスク再生装置の読取り制御装置 |
| US4752922A (en) * | 1984-07-06 | 1988-06-21 | Storage Technology Partners 11 | Optical disk recording and readout system having read, write and coarse light beams |
| NL8403534A (nl) * | 1984-11-21 | 1986-06-16 | Philips Nv | Inrichting voor het uitlezen van een schijfvormige registratiedrager. |
| US4831615A (en) * | 1985-01-30 | 1989-05-16 | Nippon Columbia Co., Ltd. | Dual differential optical system moving apparatus |
| US4858214A (en) * | 1985-02-15 | 1989-08-15 | Canon Kabushiki Kaisha | Tracking control apparatus |
| JP2644720B2 (ja) * | 1985-02-25 | 1997-08-25 | 株式会社日立製作所 | トラック引込み方法 |
| DE3508422A1 (de) * | 1985-03-09 | 1986-09-11 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | Schaltungsanordnung fuer ein abspielgeraet von audio- und/oder videoplatten |
| US4740939A (en) * | 1985-05-22 | 1988-04-26 | Hitachi Ltd. | Apparatus for reproducing information recorded on a disk |
| US4785440A (en) * | 1985-05-24 | 1988-11-15 | Canon Kabushiki Kaisha | Method and apparatus for driving an optical pickup of an optical information recording and reproducing apparatus |
| JPS6273430A (ja) * | 1985-09-26 | 1987-04-04 | Canon Inc | 光情報記録再生装置 |
| DE3520189A1 (de) * | 1985-06-05 | 1986-12-11 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | Verfahren fuer das spurspringen bei spursuchvorgaengen und schaltungsanordnung zur durchfuehrung des verfahrens |
| JPH06103535B2 (ja) * | 1985-06-12 | 1994-12-14 | オリンパス光学工業株式会社 | 光学式情報記録再生装置 |
| JPH064414Y2 (ja) * | 1986-03-10 | 1994-02-02 | パイオニア株式会社 | トラツキング制御装置 |
| US4768180A (en) * | 1986-03-17 | 1988-08-30 | Laser Magnetic Storage International Company | Multistage tracking system |
| JPH06101125B2 (ja) * | 1986-05-21 | 1994-12-12 | キヤノン株式会社 | 光学的情報記録再生装置 |
| US4811317A (en) * | 1987-06-25 | 1989-03-07 | Eastman Kodak Company | Clock resynchronization after a track jump |
| US4897827A (en) * | 1987-12-12 | 1990-01-30 | U.S. Philips Corporation | Video disc player with rapid track access means |
| JP2646130B2 (ja) * | 1989-03-13 | 1997-08-25 | パイオニア株式会社 | トラックジャンプ駆動装置 |
| JP2593941B2 (ja) * | 1989-08-19 | 1997-03-26 | 富士通株式会社 | 光ディスク装置のアクチュエータオフセット除去装置 |
| JP2950011B2 (ja) * | 1992-04-06 | 1999-09-20 | 松下電器産業株式会社 | ミラー駆動装置 |
| JPH05334703A (ja) * | 1992-05-29 | 1993-12-17 | Matsushita Electric Ind Co Ltd | ミラー移動量検出装置 |
| WO2000005631A1 (en) | 1998-07-21 | 2000-02-03 | Koninklijke Philips Electronics N.V. | Control system, driving system and control method, apparatus including the driving system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE29963E (en) | 1972-03-29 | 1979-04-10 | U.S. Philips Corporation | Servo system for reading from a disc-shaped record carrier containing signals coded in optical form |
| NL173343C (nl) * | 1972-03-29 | 1984-01-02 | Philips Nv | Inrichting voor het uitlezen van een schijfvormige registratiedrager met in optische vorm gecodeerde beeld-en/of geluidssignalen. |
| US4037252A (en) * | 1973-11-10 | 1977-07-19 | U.S. Philips Corporation | Apparatus for reading a disc-shaped record carrier with plural scanning spots for stable radial tracking |
| GB1577133A (en) * | 1976-03-19 | 1980-10-22 | Rca Corp | Video information record and playback apparatus |
| NL7810386A (nl) * | 1978-10-17 | 1980-04-21 | Philips Nv | Optische leesinrichting voor het uitlezen van een schijfvormige registratiedrager. |
-
1978
- 1978-12-13 NL NL7812111A patent/NL7812111A/nl not_active Application Discontinuation
-
1979
- 1979-09-28 FR FR7924255A patent/FR2444314A1/fr active Granted
- 1979-11-12 AR AR278861A patent/AR220790A1/es active
- 1979-12-03 MX MX180275A patent/MX151082A/es unknown
- 1979-12-06 CA CA000341409A patent/CA1161555A/en not_active Expired
- 1979-12-08 DE DE2949516A patent/DE2949516C2/de not_active Expired
- 1979-12-10 BR BR7908048A patent/BR7908048A/pt unknown
- 1979-12-10 NZ NZ192349A patent/NZ192349A/xx unknown
- 1979-12-10 IT IT69370/79A patent/IT1119966B/it active
- 1979-12-10 SE SE7910129A patent/SE443891B/sv unknown
- 1979-12-10 DK DK524679A patent/DK524679A/da not_active Application Discontinuation
- 1979-12-10 GB GB7942464A patent/GB2037460B/en not_active Expired
- 1979-12-11 JP JP54159876A patent/JPS5927973B2/ja not_active Expired
- 1979-12-11 AU AU53681/79A patent/AU533655B2/en not_active Ceased
- 1979-12-11 ES ES486748A patent/ES486748A1/es not_active Expired
- 1979-12-11 BE BE0/198513A patent/BE880545A/fr not_active IP Right Cessation
- 1979-12-13 AT AT0788279A patent/AT371270B/de not_active IP Right Cessation
-
1980
- 1980-06-27 US US06/163,769 patent/US4330880A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| IT7969370A0 (it) | 1979-12-10 |
| US4330880A (en) | 1982-05-18 |
| NZ192349A (en) | 1982-12-07 |
| DK524679A (da) | 1980-06-14 |
| GB2037460B (en) | 1982-11-17 |
| BE880545A (fr) | 1980-06-11 |
| MX151082A (es) | 1984-09-25 |
| AU533655B2 (en) | 1983-12-01 |
| FR2444314B1 (da) | 1983-07-08 |
| CA1161555A (en) | 1984-01-31 |
| SE7910129L (sv) | 1980-06-14 |
| ATA788279A (de) | 1982-10-15 |
| IT1119966B (it) | 1986-03-19 |
| JPS5927973B2 (ja) | 1984-07-10 |
| JPS5589923A (en) | 1980-07-08 |
| NL7812111A (nl) | 1980-06-17 |
| ES486748A1 (es) | 1980-06-16 |
| BR7908048A (pt) | 1980-07-22 |
| AR220790A1 (es) | 1980-11-28 |
| DE2949516A1 (de) | 1980-06-19 |
| FR2444314A1 (fr) | 1980-07-11 |
| GB2037460A (en) | 1980-07-09 |
| AT371270B (de) | 1983-06-10 |
| AU5368179A (en) | 1980-06-19 |
| DE2949516C2 (de) | 1982-03-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAL | Patent in force |
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