CN100501632C - 操作电流修正装置及其方法 - Google Patents
操作电流修正装置及其方法 Download PDFInfo
- Publication number
- CN100501632C CN100501632C CNB2006100043680A CN200610004368A CN100501632C CN 100501632 C CN100501632 C CN 100501632C CN B2006100043680 A CNB2006100043680 A CN B2006100043680A CN 200610004368 A CN200610004368 A CN 200610004368A CN 100501632 C CN100501632 C CN 100501632C
- Authority
- CN
- China
- Prior art keywords
- current
- signal
- operating current
- threshold current
- power
- 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 - Fee Related
Links
Images
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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
- Optical Head (AREA)
- Amplifiers (AREA)
- Generation Of Surge Voltage And Current (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Description
Claims (12)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US64663405P | 2005-01-26 | 2005-01-26 | |
US60/646,634 | 2005-01-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1821923A CN1821923A (zh) | 2006-08-23 |
CN100501632C true CN100501632C (zh) | 2009-06-17 |
Family
ID=36923329
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200610006886.6A Expired - Fee Related CN1821924B (zh) | 2005-01-26 | 2006-01-26 | 用于具有光学读写头的光驱的方法及光驱 |
CNB2006100043680A Expired - Fee Related CN100501632C (zh) | 2005-01-26 | 2006-01-26 | 操作电流修正装置及其方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200610006886.6A Expired - Fee Related CN1821924B (zh) | 2005-01-26 | 2006-01-26 | 用于具有光学读写头的光驱的方法及光驱 |
Country Status (3)
Country | Link |
---|---|
US (2) | US7518975B2 (zh) |
CN (2) | CN1821924B (zh) |
TW (2) | TWI319842B (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI319842B (en) * | 2005-01-26 | 2010-01-21 | Threshold current modifying device and method thereof | |
US7961584B2 (en) | 2006-01-26 | 2011-06-14 | Tian Holdings, Llc | Operating current modifying device and method |
KR102123589B1 (ko) * | 2013-11-27 | 2020-06-17 | 삼성디스플레이 주식회사 | 유기전계발광 표시장치 |
CN105652103A (zh) * | 2014-11-10 | 2016-06-08 | 大陆汽车投资(上海)有限公司 | 测试、标定和验证电磁阀控制装置的修正值的方法和系统 |
JP6259435B2 (ja) * | 2015-10-28 | 2018-01-10 | ファナック株式会社 | レーザ光を合波して出力するレーザ発振器 |
US10680507B2 (en) * | 2017-04-28 | 2020-06-09 | Infineon Technologies Austria Ag | Method and apparatus for multiphase regulator with thermal adaptive phase add/drop control |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4046778B2 (ja) * | 1995-04-05 | 2008-02-13 | ソニー株式会社 | 光学ディスク記録再生装置 |
US6950378B1 (en) * | 1999-07-28 | 2005-09-27 | Matsushita Electric Industrial Co., Ltd. | Laser power control method and optical disk device |
US6671248B2 (en) | 2000-05-18 | 2003-12-30 | Matsushita Electric Industrial Co., Ltd. | Apparatus and method of controlling laser power |
JP2002150590A (ja) | 2000-11-10 | 2002-05-24 | Pioneer Electronic Corp | 光学式記録媒体による記録装置及び方法 |
ES2290251T3 (es) * | 2001-10-22 | 2008-02-16 | Ricoh Company, Ltd. | Unidad de mando de fuente de luz y aparato de almacenamiento optico. |
US6922421B2 (en) | 2003-01-10 | 2005-07-26 | Agilent Technologies, Inc. | Control and calibration of laser systems |
JP2005216422A (ja) * | 2004-01-30 | 2005-08-11 | Sanyo Electric Co Ltd | 光記録再生装置 |
TWI319842B (en) | 2005-01-26 | 2010-01-21 | Threshold current modifying device and method thereof |
-
2006
- 2006-01-25 TW TW095102945A patent/TWI319842B/zh not_active IP Right Cessation
- 2006-01-25 TW TW095102947A patent/TWI286684B/zh active
- 2006-01-26 US US11/339,749 patent/US7518975B2/en active Active
- 2006-01-26 US US11/339,680 patent/US7652971B2/en active Active
- 2006-01-26 CN CN200610006886.6A patent/CN1821924B/zh not_active Expired - Fee Related
- 2006-01-26 CN CNB2006100043680A patent/CN100501632C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
TWI319842B (en) | 2010-01-21 |
US20060181990A1 (en) | 2006-08-17 |
US20060181327A1 (en) | 2006-08-17 |
TWI286684B (en) | 2007-09-11 |
TW200627122A (en) | 2006-08-01 |
CN1821924A (zh) | 2006-08-23 |
CN1821924B (zh) | 2010-11-03 |
US7652971B2 (en) | 2010-01-26 |
CN1821923A (zh) | 2006-08-23 |
TW200629031A (en) | 2006-08-16 |
US7518975B2 (en) | 2009-04-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: YUTIAN STOCK CO., LTD. Free format text: FORMER OWNER: WEISHENG ELECTRONICS CO., LTD. Effective date: 20080201 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20080201 Address after: Delaware Applicant after: VIA Tech Inc. Address before: Taipei County of Taiwan Province Applicant before: Weisheng Electronic Co., Ltd. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090617 Termination date: 20130126 |