NO753221L - - Google Patents
Info
- Publication number
- NO753221L NO753221L NO753221A NO753221A NO753221L NO 753221 L NO753221 L NO 753221L NO 753221 A NO753221 A NO 753221A NO 753221 A NO753221 A NO 753221A NO 753221 L NO753221 L NO 753221L
- Authority
- NO
- Norway
- Prior art keywords
- information
- reading
- track
- recording medium
- waveform
- Prior art date
Links
- 230000005855 radiation Effects 0.000 claims description 32
- 230000003287 optical effect Effects 0.000 claims description 18
- 239000000969 carrier Substances 0.000 claims description 4
- 238000011896 sensitive detection Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims 1
- 239000013598 vector Substances 0.000 description 22
- 238000003384 imaging method Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- G11B7/0901—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
- G11B7/0904—Dithered tracking systems
-
- 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
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
-
- 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
- G11B7/24073—Tracks
- G11B7/24082—Meandering
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/7605—Television signal recording on discs or drums
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Optical Head (AREA)
- Devices For Checking Fares Or Tickets At Control Points (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7412634A NL7412634A (nl) | 1974-09-25 | 1974-09-25 | Registratiedrager voor een televisiesignaal. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO753221L true NO753221L (sv) | 1976-03-26 |
Family
ID=19822160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO753221A NO753221L (sv) | 1974-09-25 | 1975-09-22 |
Country Status (20)
| Country | Link |
|---|---|
| US (1) | US3963862A (sv) |
| JP (1) | JPS5855569B2 (sv) |
| AR (2) | AR210093A1 (sv) |
| AT (1) | AT339969B (sv) |
| AU (1) | AU498992B2 (sv) |
| BE (1) | BE833725A (sv) |
| BR (1) | BR7506107A (sv) |
| CA (1) | CA1064610A (sv) |
| CH (1) | CH610164A5 (sv) |
| DE (1) | DE2540668C2 (sv) |
| DK (1) | DK423975A (sv) |
| ES (1) | ES441182A1 (sv) |
| FR (1) | FR2328340A1 (sv) |
| GB (1) | GB1529954A (sv) |
| IT (1) | IT1047196B (sv) |
| NL (1) | NL7412634A (sv) |
| NO (1) | NO753221L (sv) |
| PL (1) | PL106977B1 (sv) |
| SE (1) | SE411286B (sv) |
| ZA (1) | ZA755755B (sv) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7803517A (nl) * | 1978-04-03 | 1979-10-05 | Philips Nv | Registratiedrager met een optisch uitleesbare fase- struktuur en inrichting voor het uitlezen. |
| NL8000121A (nl) * | 1980-01-09 | 1981-08-03 | Philips Nv | Schijfvormige, optische uitleesbare registratiedrager als opslagmedium voor datainformatie, inrichting voor het vervaardigen van zo'n registratiedrager, inrichting voor het optekenen van datainformatie in zo'n registratiedrager en inrichting voor het uitlezen van zo'n registratiedrager. |
| NL8000122A (nl) * | 1980-01-09 | 1981-08-03 | Philips Nv | Schijfvormige, optisch uitleesbare registratiedrager als opslagmedium voor datainformatie, inrichting voor het vervaardigen van zo'n registratiedrager, inrichting voor het optekenen en/of weergeven van datainformatie in c.q. van zo'n registratiedrager. |
| US4484319A (en) * | 1980-09-19 | 1984-11-20 | Matsushita Electric Industrial Co., Ltd. | Apparatus for locating a track on disc-like optical information carriers |
| JPS5856236A (ja) * | 1981-09-28 | 1983-04-02 | Hitachi Ltd | 光学的トラック位置検出装置およびそれを用いた光学的記録再生装置 |
| JPS6069840A (ja) * | 1983-09-22 | 1985-04-20 | Canon Inc | 情報記録又は再生装置 |
| JPS62116972U (sv) * | 1986-01-14 | 1987-07-24 | ||
| US4689371A (en) * | 1986-07-07 | 1987-08-25 | Celanese Corporation | Process for the preparation of poly (vinylphenol) from poly (acetoxystyrene) |
| SG26398G (en) * | 1986-09-30 | 1995-09-01 | Sony Corp | Recording apparatus |
| JP2565196B2 (ja) * | 1986-09-30 | 1996-12-18 | ソニー株式会社 | 記録装置及び記録方法 |
| US5339301A (en) * | 1986-10-06 | 1994-08-16 | U.S. Philips Corporation | Optically readable record carrier for recording information, method and apparatus for manufacturing such, apparatus for recording and reading information on a such a record carrier |
| NL8602504A (nl) * | 1986-10-06 | 1988-05-02 | Philips Nv | Optisch uitleesbare registratiedrager voor het optekenen van informatie, een inrichting voor het vervaardigen van een dergelijke registratiedrager, een inrichting voor het optekenen van informatie op een dergelijke registratiedrager, alsmede een inrichting voor het uitlezen van op een dergelijke registratiedrager opgetekende informatie. |
| KR950010418B1 (ko) * | 1991-08-28 | 1995-09-16 | 미쯔비시덴끼 가부시끼가이샤 | 광기록재생장치 |
| JP2815557B2 (ja) * | 1995-07-29 | 1998-10-27 | ソニー株式会社 | 円盤状記録媒体 |
| JP2887344B2 (ja) * | 1996-09-02 | 1999-04-26 | ソニー株式会社 | 記録媒体 |
| JP2907779B2 (ja) * | 1996-09-02 | 1999-06-21 | ソニー株式会社 | 記録媒体 |
| US6046968A (en) * | 1997-07-24 | 2000-04-04 | Hewlett-Packard Company | Re-writable optical disk having reference clock information permanently formed on the disk |
| US7701836B2 (en) | 2001-11-27 | 2010-04-20 | Hewlett-Packard Development Company, L.P. | Re-writable optical disk having reference clock information permanently formed on the disk |
| US6091693A (en) * | 1998-06-30 | 2000-07-18 | Fujitsu Limited | Optical recording medium and optical information storage unit |
| US7352681B1 (en) * | 1998-10-26 | 2008-04-01 | Sony Corporation | Optical disc for data storage with invisible tracks and method of making same |
| JP2000348350A (ja) * | 1999-06-09 | 2000-12-15 | Sony Corp | 光ディスク装置、光ディスクの再生方法及び光ディスク |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1916973A (en) * | 1929-05-21 | 1933-07-04 | Columbia Phonograph Co Inc | Sound reproducing means and method |
| US2086934A (en) * | 1932-03-31 | 1937-07-13 | Rech Ind Francaise Sa | Art of electromechanical recording of sound and in the photoelectric reproduction ofthe latter from the inscriptions obtained |
-
1974
- 1974-09-25 NL NL7412634A patent/NL7412634A/xx not_active Application Discontinuation
- 1974-12-06 US US05/530,164 patent/US3963862A/en not_active Expired - Lifetime
-
1975
- 1975-09-09 ZA ZA755755A patent/ZA755755B/xx unknown
- 1975-09-12 DE DE2540668A patent/DE2540668C2/de not_active Expired
- 1975-09-19 AR AR260449A patent/AR210093A1/es active
- 1975-09-22 CA CA235,961A patent/CA1064610A/en not_active Expired
- 1975-09-22 AT AT723775A patent/AT339969B/de not_active IP Right Cessation
- 1975-09-22 CH CH1225975A patent/CH610164A5/xx not_active IP Right Cessation
- 1975-09-22 IT IT69348/75A patent/IT1047196B/it active
- 1975-09-22 PL PL1975183515A patent/PL106977B1/pl unknown
- 1975-09-22 DK DK423975A patent/DK423975A/da unknown
- 1975-09-22 AU AU85038/75A patent/AU498992B2/en not_active Expired
- 1975-09-22 NO NO753221A patent/NO753221L/no unknown
- 1975-09-22 SE SE7510563A patent/SE411286B/sv not_active Application Discontinuation
- 1975-09-22 BR BR7506107*A patent/BR7506107A/pt unknown
- 1975-09-22 GB GB38793/75A patent/GB1529954A/en not_active Expired
- 1975-09-23 FR FR7529105A patent/FR2328340A1/fr active Granted
- 1975-09-23 ES ES441182A patent/ES441182A1/es not_active Expired
- 1975-09-23 JP JP50114408A patent/JPS5855569B2/ja not_active Expired
- 1975-09-23 BE BE160300A patent/BE833725A/xx not_active IP Right Cessation
-
1976
- 1976-07-21 AR AR264028A patent/AR209505A1/es active
Also Published As
| Publication number | Publication date |
|---|---|
| AT339969B (de) | 1977-11-25 |
| IT1047196B (it) | 1980-09-10 |
| FR2328340A1 (fr) | 1977-05-13 |
| FR2328340B1 (sv) | 1982-04-23 |
| SE411286B (sv) | 1979-12-10 |
| JPS5855569B2 (ja) | 1983-12-10 |
| DK423975A (da) | 1976-03-26 |
| PL106977B1 (pl) | 1980-01-31 |
| BE833725A (fr) | 1976-03-23 |
| AR210093A1 (es) | 1977-06-30 |
| DE2540668C2 (de) | 1982-09-09 |
| SE7510563L (sv) | 1976-03-26 |
| AU8503875A (en) | 1977-03-31 |
| CH610164A5 (sv) | 1979-03-30 |
| BR7506107A (pt) | 1976-08-03 |
| GB1529954A (en) | 1978-10-25 |
| JPS5158020A (sv) | 1976-05-21 |
| CA1064610A (en) | 1979-10-16 |
| AU498992B2 (en) | 1979-03-29 |
| US3963862A (en) | 1976-06-15 |
| AR209505A1 (es) | 1977-04-29 |
| ZA755755B (en) | 1977-04-27 |
| ATA723775A (de) | 1977-03-15 |
| NL7412634A (nl) | 1976-03-29 |
| ES441182A1 (es) | 1978-03-16 |
| DE2540668A1 (de) | 1976-04-15 |
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