DK167259B1 - Sporreguleringskreds til et afspilleapparat for audio- og /eller videoplader - Google Patents
Sporreguleringskreds til et afspilleapparat for audio- og /eller videoplader Download PDFInfo
- Publication number
- DK167259B1 DK167259B1 DK531586A DK531586A DK167259B1 DK 167259 B1 DK167259 B1 DK 167259B1 DK 531586 A DK531586 A DK 531586A DK 531586 A DK531586 A DK 531586A DK 167259 B1 DK167259 B1 DK 167259B1
- Authority
- DK
- Denmark
- Prior art keywords
- drive mechanism
- control circuit
- coarse
- pulse
- track control
- Prior art date
Links
- 230000010349 pulsation Effects 0.000 claims description 2
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 abstract description 11
- 238000011156 evaluation Methods 0.000 abstract 1
- 230000003993 interaction Effects 0.000 abstract 1
- 230000033001 locomotion Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 1
- 230000000630 rising 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
- G11B7/09—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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
- G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
- G11B21/106—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following on disks
-
- 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
-
- 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
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Rotational Drive Of Disk (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Optical Recording Or Reproduction (AREA)
- Television Signal Processing For Recording (AREA)
- Control Of Position Or Direction (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3508421 | 1985-03-09 | ||
| DE19853508421 DE3508421A1 (de) | 1985-03-09 | 1985-03-09 | Schaltungsanordnung fuer ein abspielgeraet von audio- und / oder videoplatten |
| PCT/EP1986/000076 WO1986005307A1 (en) | 1985-03-09 | 1986-02-15 | Circuit for an audio and/or video disk playback device |
| EP8600076 | 1986-02-15 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK531586D0 DK531586D0 (da) | 1986-11-06 |
| DK531586A DK531586A (da) | 1986-11-06 |
| DK167259B1 true DK167259B1 (da) | 1993-09-27 |
Family
ID=6264696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK531586A DK167259B1 (da) | 1985-03-09 | 1986-11-06 | Sporreguleringskreds til et afspilleapparat for audio- og /eller videoplader |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4794579A (ko) |
| EP (1) | EP0214200B1 (ko) |
| JP (1) | JP2703222B2 (ko) |
| KR (1) | KR940003549B1 (ko) |
| AT (1) | ATE48718T1 (ko) |
| DE (2) | DE3508421A1 (ko) |
| DK (1) | DK167259B1 (ko) |
| HK (1) | HK148394A (ko) |
| WO (1) | WO1986005307A1 (ko) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2578973B2 (ja) * | 1989-05-01 | 1997-02-05 | パイオニア株式会社 | オン／オフトラック検出機能を有するコンパチブルディスクプレーヤ |
| NL9000131A (nl) * | 1990-01-19 | 1991-08-16 | Philips Nv | Lees- en/of schrijfinrichting. |
| DE69421785T2 (de) * | 1993-09-28 | 2000-05-11 | Sony Corp | Gerät zum Messen der Exzentrizität einer Scheibe, Verfahren dazu und Aufzeichnungs- und/oder Wiedergabegerät für scheibenförmiges Aufzeichnungsmedium |
| DE4424216B4 (de) * | 1994-07-09 | 2005-06-16 | Robert Bosch Gmbh | Schaltungsanordnung zur Spurnachführung für ein Abspielgerät |
| DE19813246C2 (de) * | 1998-03-25 | 2002-12-12 | Sks Stakusit Bautechnik Gmbh | Rollladenführungsleiste |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4703467A (en) * | 1972-10-24 | 1987-10-27 | Discovision Associates | Video disc read back scanner |
| GB1577133A (en) * | 1976-03-19 | 1980-10-22 | Rca Corp | Video information record and playback apparatus |
| US4234837A (en) * | 1979-01-12 | 1980-11-18 | Mca Discovision, Inc. | Digital center tracking system |
| DE3339736C1 (de) * | 1983-11-03 | 1985-06-05 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | Spurfolgesystem zur Korrektur von Tangentenfehlwinkeln bei optischer Plattenabtastung |
-
1985
- 1985-03-09 DE DE19853508421 patent/DE3508421A1/de not_active Withdrawn
-
1986
- 1986-02-15 EP EP86901383A patent/EP0214200B1/de not_active Expired
- 1986-02-15 AT AT86901383T patent/ATE48718T1/de not_active IP Right Cessation
- 1986-02-15 WO PCT/EP1986/000076 patent/WO1986005307A1/de active IP Right Grant
- 1986-02-15 KR KR1019860700785A patent/KR940003549B1/ko not_active IP Right Cessation
- 1986-02-15 US US06/939,429 patent/US4794579A/en not_active Expired - Lifetime
- 1986-02-15 JP JP61501212A patent/JP2703222B2/ja not_active Expired - Lifetime
- 1986-02-15 DE DE8686901383T patent/DE3667565D1/de not_active Expired - Lifetime
- 1986-11-06 DK DK531586A patent/DK167259B1/da not_active IP Right Cessation
-
1994
- 1994-12-30 HK HK148394A patent/HK148394A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR870700165A (ko) | 1987-03-14 |
| DE3667565D1 (de) | 1990-01-18 |
| DE3508421A1 (de) | 1986-09-11 |
| US4794579A (en) | 1988-12-27 |
| DK531586D0 (da) | 1986-11-06 |
| EP0214200B1 (de) | 1989-12-13 |
| ATE48718T1 (de) | 1989-12-15 |
| KR940003549B1 (ko) | 1994-04-23 |
| DK531586A (da) | 1986-11-06 |
| JPS62502152A (ja) | 1987-08-20 |
| EP0214200A1 (de) | 1987-03-18 |
| WO1986005307A1 (en) | 1986-09-12 |
| JP2703222B2 (ja) | 1998-01-26 |
| HK148394A (en) | 1995-01-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B1 | Patent granted (law 1993) | ||
| PUP | Patent expired |