IL126369A - Method and system for recording and / or recovering information - Google Patents
Method and system for recording and / or recovering informationInfo
- Publication number
- IL126369A IL126369A IL12636998A IL12636998A IL126369A IL 126369 A IL126369 A IL 126369A IL 12636998 A IL12636998 A IL 12636998A IL 12636998 A IL12636998 A IL 12636998A IL 126369 A IL126369 A IL 126369A
- Authority
- IL
- Israel
- Prior art keywords
- power
- reflection
- record carrier
- information
- control means
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 8
- 230000005670 electromagnetic radiation Effects 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 description 27
- 238000011109 contamination Methods 0.000 description 13
- 230000007423 decrease Effects 0.000 description 11
- 230000005855 radiation Effects 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 7
- 239000000428 dust Substances 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 7
- 239000002245 particle Substances 0.000 description 6
- 238000012937 correction Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 239000012782 phase change material Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 102220047090 rs6152 Human genes 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007704 transition 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
- G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
- G11B7/1263—Power control during transducing, e.g. by monitoring
-
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
- G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
-
- 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
- G11B7/0045—Recording
- G11B7/00455—Recording involving reflectivity, absorption or colour changes
-
- 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
- G11B7/0052—Reproducing involving reflectivity, absorption or colour changes
-
- 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
- G11B7/0045—Recording
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP97200229 | 1997-01-29 | ||
| PCT/IB1998/000057 WO1998033177A2 (en) | 1997-01-29 | 1998-01-15 | A method and a device for recording and/or reproducing information |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL126369A0 IL126369A0 (en) | 1999-05-09 |
| IL126369A true IL126369A (en) | 2002-11-10 |
Family
ID=8227957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL12636998A IL126369A (en) | 1997-01-29 | 1998-01-15 | Method and system for recording and / or recovering information |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US5878014A (enExample) |
| EP (1) | EP0906618B1 (enExample) |
| JP (1) | JP2000508812A (enExample) |
| KR (1) | KR100553964B1 (enExample) |
| CN (1) | CN1126971C (enExample) |
| DE (1) | DE69816924T2 (enExample) |
| ID (1) | ID20263A (enExample) |
| IL (1) | IL126369A (enExample) |
| MY (1) | MY132760A (enExample) |
| WO (1) | WO1998033177A2 (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1109161B1 (en) * | 1998-08-20 | 2004-05-12 | Matsushita Electric Industrial Co., Ltd. | Laser power controller and optical disk device |
| JP2000311373A (ja) * | 1999-04-28 | 2000-11-07 | Sony Corp | ディスクドライブ装置 |
| DE19932658A1 (de) * | 1999-07-15 | 2001-01-18 | Koninkl Philips Electronics Nv | Laserdiodenregelung bei wiederbeschreibbaren optischen Aufzeichnungsgeräten |
| US7023777B2 (en) * | 2000-01-13 | 2006-04-04 | Matsushita Electric Industrial Co., Ltd. | Optical disk recording/reproduction apparatus with a detection means for detecting dirt on the optical disk |
| US7349296B2 (en) * | 2001-07-09 | 2008-03-25 | Koninklijke Philips Electronics N.V. | Write control in response to tracking error |
| JP4117293B2 (ja) * | 2002-06-14 | 2008-07-16 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 情報担体を走査及びクリーニングする装置 |
| WO2007000682A1 (en) * | 2005-06-27 | 2007-01-04 | Arima Devices Corporation | Optical pick-up unit for use in an optical player |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4908815A (en) * | 1988-02-22 | 1990-03-13 | Gregg David P | Optical recording system utilizing proportional real-time feedback control of recording beam intensity |
| ATE238600T1 (de) * | 1991-02-18 | 2003-05-15 | Sony Corp | Plattenkassette und plattenaufzeichnungs - und/oder wiedergabegerät |
| US5184343A (en) * | 1991-05-06 | 1993-02-02 | Johann Donald F | Compensation for dust on an optical disk by increasing laser writing power |
| US5297129A (en) * | 1992-12-24 | 1994-03-22 | Optical Disc Corporation | Waveform shaping method and apparatus for optical recording |
| DE4415508A1 (de) * | 1994-05-03 | 1995-11-09 | Thomson Brandt Gmbh | Abtastgerät mit Adaptation |
-
1998
- 1998-01-15 JP JP10529192A patent/JP2000508812A/ja not_active Ceased
- 1998-01-15 DE DE69816924T patent/DE69816924T2/de not_active Expired - Fee Related
- 1998-01-15 CN CN98800321A patent/CN1126971C/zh not_active Expired - Fee Related
- 1998-01-15 EP EP98900118A patent/EP0906618B1/en not_active Expired - Lifetime
- 1998-01-15 KR KR1019980707731A patent/KR100553964B1/ko not_active Expired - Fee Related
- 1998-01-15 IL IL12636998A patent/IL126369A/en not_active IP Right Cessation
- 1998-01-15 WO PCT/IB1998/000057 patent/WO1998033177A2/en not_active Ceased
- 1998-01-15 ID IDW980089A patent/ID20263A/id unknown
- 1998-01-26 US US09/013,545 patent/US5878014A/en not_active Expired - Fee Related
- 1998-01-26 MY MYPI98000358A patent/MY132760A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN1126971C (zh) | 2003-11-05 |
| EP0906618A2 (en) | 1999-04-07 |
| KR20000064805A (ko) | 2000-11-06 |
| DE69816924D1 (de) | 2003-09-11 |
| MY132760A (en) | 2007-10-31 |
| DE69816924T2 (de) | 2004-06-17 |
| US5878014A (en) | 1999-03-02 |
| JP2000508812A (ja) | 2000-07-11 |
| EP0906618B1 (en) | 2003-08-06 |
| WO1998033177A2 (en) | 1998-07-30 |
| ID20263A (id) | 1998-11-12 |
| WO1998033177A3 (en) | 1998-11-05 |
| IL126369A0 (en) | 1999-05-09 |
| KR100553964B1 (ko) | 2006-05-23 |
| CN1220758A (zh) | 1999-06-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FF | Patent granted | ||
| RH1 | Patent not in force |