TWI319842B - Threshold current modifying device and method thereof - Google Patents

Threshold current modifying device and method thereof

Info

Publication number
TWI319842B
TWI319842B TW095102945A TW95102945A TWI319842B TW I319842 B TWI319842 B TW I319842B TW 095102945 A TW095102945 A TW 095102945A TW 95102945 A TW95102945 A TW 95102945A TW I319842 B TWI319842 B TW I319842B
Authority
TW
Taiwan
Prior art keywords
threshold current
modifying device
current modifying
threshold
modifying
Prior art date
Application number
TW095102945A
Other languages
English (en)
Other versions
TW200627122A (en
Inventor
Ronnie Lai
Ronald Chen
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of TW200627122A publication Critical patent/TW200627122A/zh
Application granted granted Critical
Publication of TWI319842B publication Critical patent/TWI319842B/zh

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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Semiconductor Lasers (AREA)
  • Optical Head (AREA)
  • Generation Of Surge Voltage And Current (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Amplifiers (AREA)
TW095102945A 2005-01-26 2006-01-25 Threshold current modifying device and method thereof TWI319842B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US64663405P 2005-01-26 2005-01-26

Publications (2)

Publication Number Publication Date
TW200627122A TW200627122A (en) 2006-08-01
TWI319842B true TWI319842B (en) 2010-01-21

Family

ID=36923329

Family Applications (2)

Application Number Title Priority Date Filing Date
TW095102945A TWI319842B (en) 2005-01-26 2006-01-25 Threshold current modifying device and method thereof
TW095102947A TWI286684B (en) 2005-01-26 2006-01-25 Operating current modifying device and method thereof

Family Applications After (1)

Application Number Title Priority Date Filing Date
TW095102947A TWI286684B (en) 2005-01-26 2006-01-25 Operating current modifying device and method thereof

Country Status (3)

Country Link
US (2) US7652971B2 (zh)
CN (2) CN100501632C (zh)
TW (2) TWI319842B (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
EP1304686B1 (en) * 2001-10-22 2007-07-25 Ricoh Company, Ltd. Light source driving unit and optical storage apparatus
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

Also Published As

Publication number Publication date
CN1821924B (zh) 2010-11-03
US7518975B2 (en) 2009-04-14
US20060181327A1 (en) 2006-08-17
US20060181990A1 (en) 2006-08-17
TW200629031A (en) 2006-08-16
CN1821924A (zh) 2006-08-23
TW200627122A (en) 2006-08-01
CN100501632C (zh) 2009-06-17
TWI286684B (en) 2007-09-11
CN1821923A (zh) 2006-08-23
US7652971B2 (en) 2010-01-26

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees