DE2504571C2 - Videoplatte für ein optisches Bildwiedergabesystem - Google Patents
Videoplatte für ein optisches BildwiedergabesystemInfo
- Publication number
- DE2504571C2 DE2504571C2 DE2504571A DE2504571A DE2504571C2 DE 2504571 C2 DE2504571 C2 DE 2504571C2 DE 2504571 A DE2504571 A DE 2504571A DE 2504571 A DE2504571 A DE 2504571A DE 2504571 C2 DE2504571 C2 DE 2504571C2
- Authority
- DE
- Germany
- Prior art keywords
- bundle
- plate
- depressions
- reading
- depth
- 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
- 230000003287 optical effect Effects 0.000 title claims description 7
- 230000010363 phase shift Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 description 6
- 230000005284 excitation Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 235000010044 Hernandia moerenhoutiana Nutrition 0.000 description 1
- 244000084296 Hernandia moerenhoutiana Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- CPBQJMYROZQQJC-UHFFFAOYSA-N helium neon Chemical compound [He].[Ne] CPBQJMYROZQQJC-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
- G11B7/24085—Pits
-
- 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/005—Reproducing
- G11B7/0051—Reproducing involving phase depth effects
-
- 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
- G11B7/0938—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 servo format, e.g. guide tracks, pilot signals
Landscapes
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/439,680 US3931459A (en) | 1974-02-04 | 1974-02-04 | Video disc |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2504571A1 DE2504571A1 (de) | 1975-08-14 |
| DE2504571C2 true DE2504571C2 (de) | 1982-12-02 |
Family
ID=23745705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2504571A Expired DE2504571C2 (de) | 1974-02-04 | 1975-02-04 | Videoplatte für ein optisches Bildwiedergabesystem |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3931459A (en, 2012) |
| DE (1) | DE2504571C2 (en, 2012) |
| FR (1) | FR2260164B1 (en, 2012) |
| GB (1) | GB1501454A (en, 2012) |
| IT (1) | IT1031406B (en, 2012) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4160269A (en) * | 1971-03-04 | 1979-07-03 | U.S. Philips Corporation | Apparatus for optically reading a phase-modulated optical record carrier |
| US4041530A (en) * | 1971-03-04 | 1977-08-09 | U.S. Philips Corporation | Video disc with phase structure |
| FR2288370A1 (fr) * | 1974-10-18 | 1976-05-14 | Thomson Brandt | Perfectionnements aux supports d'information a lecture optique |
| FR2306495A1 (fr) * | 1975-04-04 | 1976-10-29 | Thomson Brandt | Systeme de lecture d'un enregistrement par exploration optique ponctuelle d'une piste diffractante |
| US4065786A (en) * | 1975-09-30 | 1977-12-27 | Rca Corporation | Videodisc playback system |
| US4097895A (en) | 1976-03-19 | 1978-06-27 | Rca Corporation | Multilayer optical record |
| JPS5398802A (en) * | 1977-02-09 | 1978-08-29 | Mitsubishi Electric Corp | Optical reproducer |
| NL7809227A (nl) * | 1978-09-11 | 1980-03-13 | Philips Nv | Registratiedrager met een optisch uitleesbare, stra- lingsreflekterende informatiestruktuur. |
| NL7810462A (nl) * | 1978-10-19 | 1980-04-22 | Philips Nv | Registratiedrager waarin informatie is aangebracht in een optisch uitleesbare stralingsreflekterende informatiestruktuur |
| NL7810463A (nl) * | 1978-10-19 | 1980-04-22 | Philips Nv | Registratiedrager waarin informatie is aangebracht in een optisch uitleesbare informatiestruktuur. |
| US4232337A (en) * | 1978-12-13 | 1980-11-04 | Mca Discovision, Inc. | Method and apparatus for tracking an optically readable information track |
| JPS55142424A (en) * | 1979-04-18 | 1980-11-07 | Ibm | Sensor for optical data memory |
| NL8005633A (nl) * | 1980-10-13 | 1982-05-03 | Philips Nv | Inrichting voor het uitlezen en/of inschrijven van een optisch uitleesbare informatiestruktuur. |
| JPS5774846A (en) * | 1980-10-28 | 1982-05-11 | Toshiba Corp | Information storing medium |
| US4385372A (en) * | 1981-05-01 | 1983-05-24 | Drexler Technology Corporation | Reflective optical data storage and laser recording media having grooved dielectric encoded prerecorded information |
| JPS5862842A (ja) * | 1981-10-09 | 1983-04-14 | Matsushita Electric Ind Co Ltd | 光学的記録用円盤 |
| JP2569005B2 (ja) * | 1986-03-31 | 1997-01-08 | 株式会社日立製作所 | 光ディスク装置および光ディスク |
| US4999234A (en) * | 1987-08-10 | 1991-03-12 | Polaroid Corporation | Holographic optical data storage medium |
| JPH0253237A (ja) * | 1988-08-16 | 1990-02-22 | Ricoh Co Ltd | 光学式情報記録媒体 |
| WO1997012279A1 (en) * | 1995-09-29 | 1997-04-03 | Sage Technology, Incorporated | Optical digital media recording and reproduction system |
| US6842409B2 (en) * | 2001-02-21 | 2005-01-11 | Scratch-Less Disc Industries, Llc | Optical disc and method of protecting same |
| US6680898B2 (en) | 2001-02-21 | 2004-01-20 | Todd J. Kuchman | Optical disc and method of protecting same |
| EP1554720A2 (en) * | 2002-10-15 | 2005-07-20 | Koninklijke Philips Electronics N.V. | Optical scanning device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3361873A (en) * | 1962-05-07 | 1968-01-02 | Minnesota Mining & Mfg | Disc recording system |
| US3688025A (en) * | 1970-10-27 | 1972-08-29 | Rca Corp | Recorder and playback apparatus for pulse width modulated record |
-
1974
- 1974-02-04 US US05/439,680 patent/US3931459A/en not_active Expired - Lifetime
-
1975
- 1975-01-28 FR FR7502597A patent/FR2260164B1/fr not_active Expired
- 1975-02-03 IT IT19887/75A patent/IT1031406B/it active
- 1975-02-03 GB GB4612/75A patent/GB1501454A/en not_active Expired
- 1975-02-04 DE DE2504571A patent/DE2504571C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT1031406B (it) | 1979-04-30 |
| GB1501454A (en) | 1978-02-15 |
| FR2260164B1 (en, 2012) | 1979-01-05 |
| DE2504571A1 (de) | 1975-08-14 |
| FR2260164A1 (en, 2012) | 1975-08-29 |
| US3931459A (en) | 1976-01-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| D2 | Grant after examination | ||
| 8328 | Change in the person/name/address of the agent |
Free format text: DERZEIT KEIN VERTRETER BESTELLT |