DE3049004A1 - Verfahren zur wiedergabe von auf plattenfoermigen traegern aufgezeichneten signalen - Google Patents
Verfahren zur wiedergabe von auf plattenfoermigen traegern aufgezeichneten signalenInfo
- Publication number
- DE3049004A1 DE3049004A1 DE19803049004 DE3049004A DE3049004A1 DE 3049004 A1 DE3049004 A1 DE 3049004A1 DE 19803049004 DE19803049004 DE 19803049004 DE 3049004 A DE3049004 A DE 3049004A DE 3049004 A1 DE3049004 A1 DE 3049004A1
- Authority
- DE
- Germany
- Prior art keywords
- track
- jump
- control voltage
- tracks
- signal
- 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.)
- Granted
Links
- 230000008859 change Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 15
- 230000007704 transition Effects 0.000 claims description 2
- 230000001960 triggered effect Effects 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 description 7
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
- G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
- G11B27/3036—Time code signal
- G11B27/3054—Vertical Interval Time code [VITC]
-
- 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
- G11B21/08—Track changing or selecting during transducing operation
- G11B21/081—Access to indexed tracks or parts of continuous track
- G11B21/083—Access to indexed tracks or parts of continuous track on discs
- G11B21/085—Access to indexed tracks or parts of continuous track on discs with track following of accessed part
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
- G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
-
- 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
- G11B7/095—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
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/60—Solid state media
- G11B2220/65—Solid state media wherein solid state memory is used for storing indexing information or metadata
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/11—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803049004 DE3049004A1 (de) | 1980-12-24 | 1980-12-24 | Verfahren zur wiedergabe von auf plattenfoermigen traegern aufgezeichneten signalen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803049004 DE3049004A1 (de) | 1980-12-24 | 1980-12-24 | Verfahren zur wiedergabe von auf plattenfoermigen traegern aufgezeichneten signalen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3049004A1 true DE3049004A1 (de) | 1982-07-15 |
| DE3049004C2 DE3049004C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-10-17 |
Family
ID=6120264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19803049004 Granted DE3049004A1 (de) | 1980-12-24 | 1980-12-24 | Verfahren zur wiedergabe von auf plattenfoermigen traegern aufgezeichneten signalen |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3049004A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2529423A1 (fr) * | 1982-06-25 | 1983-12-30 | Pioneer Electronic Corp | Dispositif d'alignement asservi |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2423074A1 (de) * | 1974-05-13 | 1975-11-27 | Bosch Gmbh Robert | Einrichtung zur spurfuehrung eines lichtstrahlabtastkopfes bei speichergeraeten |
| DE2711924A1 (de) * | 1976-03-19 | 1977-09-22 | Rca Corp | Optisches aufzeichnungs/wiedergabegeraet |
| DE2724917A1 (de) * | 1977-06-02 | 1978-12-14 | Bosch Gmbh Robert | Einrichtung und schaltungsanordnung zur spurabtastung einer videoplatte |
-
1980
- 1980-12-24 DE DE19803049004 patent/DE3049004A1/de active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2423074A1 (de) * | 1974-05-13 | 1975-11-27 | Bosch Gmbh Robert | Einrichtung zur spurfuehrung eines lichtstrahlabtastkopfes bei speichergeraeten |
| DE2711924A1 (de) * | 1976-03-19 | 1977-09-22 | Rca Corp | Optisches aufzeichnungs/wiedergabegeraet |
| DE2724917A1 (de) * | 1977-06-02 | 1978-12-14 | Bosch Gmbh Robert | Einrichtung und schaltungsanordnung zur spurabtastung einer videoplatte |
Non-Patent Citations (1)
| Title |
|---|
| SMPTE Journal Febr. 1977, S.80-83 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2529423A1 (fr) * | 1982-06-25 | 1983-12-30 | Pioneer Electronic Corp | Dispositif d'alignement asservi |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3049004C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-10-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8120 | Willingness to grant licences paragraph 23 | ||
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |