BR9804877A - Processo para ajustar um par-metro de escrita do feixe de radiacao em um valor Ätimo em um aparelho de grava-Æo Äptica e aparelho para escrever informa-{es em um meio de grava-Æo Äptica - Google Patents
Processo para ajustar um par-metro de escrita do feixe de radiacao em um valor Ätimo em um aparelho de grava-Æo Äptica e aparelho para escrever informa-{es em um meio de grava-Æo ÄpticaInfo
- Publication number
- BR9804877A BR9804877A BR9804877A BR9804877A BR9804877A BR 9804877 A BR9804877 A BR 9804877A BR 9804877 A BR9804877 A BR 9804877A BR 9804877 A BR9804877 A BR 9804877A BR 9804877 A BR9804877 A BR 9804877A
- Authority
- BR
- Brazil
- Prior art keywords
- optical recording
- adjusting
- radiation beam
- optimal value
- recording medium
- Prior art date
Links
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
-
- 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
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP97107241 | 1997-05-01 | ||
| EP97202257 | 1997-07-18 | ||
| PCT/IB1998/000645 WO1998050912A2 (en) | 1997-05-01 | 1998-04-27 | Method and apparatus for writing optical recording media |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR9804877A true BR9804877A (pt) | 1999-08-24 |
Family
ID=26145421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR9804877A BR9804877A (pt) | 1997-05-01 | 1998-04-27 | Processo para ajustar um par-metro de escrita do feixe de radiacao em um valor Ätimo em um aparelho de grava-Æo Äptica e aparelho para escrever informa-{es em um meio de grava-Æo Äptica |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0916132A2 (pt) |
| JP (1) | JP2000516377A (pt) |
| KR (1) | KR20000022408A (pt) |
| CN (1) | CN1234899A (pt) |
| BR (1) | BR9804877A (pt) |
| WO (1) | WO1998050912A2 (pt) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001209940A (ja) | 1999-11-16 | 2001-08-03 | Victor Co Of Japan Ltd | 光ディスク記録再生装置、光ディスク記録再生方法および光ディスク |
| KR100667837B1 (ko) * | 2005-11-21 | 2007-01-12 | 삼성전자주식회사 | 광디스크의 최적 기록 파워 결정 방법 및 광디스크 구동장치 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE68916084T2 (de) * | 1988-03-28 | 1995-02-16 | Matsushita Electric Ind Co Ltd | Optische Informationsaufzeichnungsmethode. |
| US5070495A (en) * | 1989-04-12 | 1991-12-03 | International Business Machines Corporation | Write calibration for magnetooptic disk recorders |
| NL8901345A (nl) * | 1989-05-29 | 1990-12-17 | Philips Nv | Werkwijze en inrichting voor het optekenen van signalen op een registratiedrager, alsmede een meetwerkwijze en meetinrichting voor toepassing in de optekenwerkwijze en optekeninrichting, alsmede een registratiedrager. |
-
1998
- 1998-04-27 JP JP10529441A patent/JP2000516377A/ja active Pending
- 1998-04-27 CN CN98800873A patent/CN1234899A/zh active Pending
- 1998-04-27 EP EP98915028A patent/EP0916132A2/en not_active Withdrawn
- 1998-04-27 WO PCT/IB1998/000645 patent/WO1998050912A2/en not_active Application Discontinuation
- 1998-04-27 BR BR9804877A patent/BR9804877A/pt not_active IP Right Cessation
- 1998-04-27 KR KR1019980710840A patent/KR20000022408A/ko not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| KR20000022408A (ko) | 2000-04-25 |
| CN1234899A (zh) | 1999-11-10 |
| WO1998050912A3 (en) | 1999-02-11 |
| WO1998050912A2 (en) | 1998-11-12 |
| EP0916132A2 (en) | 1999-05-19 |
| JP2000516377A (ja) | 2000-12-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B08F | Application fees: application dismissed [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 5A , 6A , 7A , 8A E 9A ANUIDADES. |
|
| B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1871 DE 14/11/2006. |