ATE282939T1 - Lichtquelle mit konstanter leistung mit elektronisch gefilterter optischer rückkopplung - Google Patents

Lichtquelle mit konstanter leistung mit elektronisch gefilterter optischer rückkopplung

Info

Publication number
ATE282939T1
ATE282939T1 AT01966371T AT01966371T ATE282939T1 AT E282939 T1 ATE282939 T1 AT E282939T1 AT 01966371 T AT01966371 T AT 01966371T AT 01966371 T AT01966371 T AT 01966371T AT E282939 T1 ATE282939 T1 AT E282939T1
Authority
AT
Austria
Prior art keywords
optical feedback
light source
constant power
power light
intensity
Prior art date
Application number
AT01966371T
Other languages
English (en)
Inventor
Michael C Hutchison
Kevin Ovens
Tom Shinham
Original Assignee
Power Signal Technologies Inc
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 by Power Signal Technologies Inc filed Critical Power Signal Technologies Inc
Application granted granted Critical
Publication of ATE282939T1 publication Critical patent/ATE282939T1/de

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/12—Controlling the intensity of the light using optical feedback
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/40—Details of LED load circuits

Landscapes

  • Led Device Packages (AREA)
  • Lasers (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Led Devices (AREA)
  • Traffic Control Systems (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
AT01966371T 2000-08-30 2001-08-29 Lichtquelle mit konstanter leistung mit elektronisch gefilterter optischer rückkopplung ATE282939T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US65058800A 2000-08-30 2000-08-30
PCT/US2001/026915 WO2002019777A1 (en) 2000-08-30 2001-08-29 Constant output solid state light source with electronically filtered optical feedback

Publications (1)

Publication Number Publication Date
ATE282939T1 true ATE282939T1 (de) 2004-12-15

Family

ID=24609503

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01966371T ATE282939T1 (de) 2000-08-30 2001-08-29 Lichtquelle mit konstanter leistung mit elektronisch gefilterter optischer rückkopplung

Country Status (5)

Country Link
EP (1) EP1316242B1 (de)
AT (1) ATE282939T1 (de)
AU (1) AU2001286893A1 (de)
DE (1) DE60107269D1 (de)
WO (1) WO2002019777A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008037049A1 (en) * 2006-09-25 2008-04-03 Tony Mayer Micro-diffractive surveillance illuminator
US8692669B2 (en) * 2007-05-16 2014-04-08 Bosch Security Systems Bv Constant optical output illumination system
US7586274B2 (en) * 2007-11-09 2009-09-08 The Coca-Cola Company LED light output linearization
GB2509303A (en) 2012-11-08 2014-07-02 Miller Int Ltd Coupler

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6152042A (ja) * 1984-08-22 1986-03-14 Hitachi Ltd 半導体レ−ザ駆動装置
US5502298A (en) * 1992-12-21 1996-03-26 Ericsson Raynet Apparatus and method for controlling an extinction ratio of a laser diode over temperature
US5659414A (en) * 1995-06-20 1997-08-19 Xerox Corporation Means for controlling the power output of laser diodes in a ROS system
US5903247A (en) * 1996-07-19 1999-05-11 The Regents Of The University Of California Servo controlled liquid crystal windows
GB9623627D0 (en) * 1996-11-13 1997-01-08 Meditech International Inc Method and apparatus for photon therapy
US5783909A (en) * 1997-01-10 1998-07-21 Relume Corporation Maintaining LED luminous intensity
US6236331B1 (en) * 1998-02-20 2001-05-22 Newled Technologies Inc. LED traffic light intensity controller
US6153985A (en) * 1999-07-09 2000-11-28 Dialight Corporation LED driving circuitry with light intensity feedback to control output light intensity of an LED

Also Published As

Publication number Publication date
EP1316242B1 (de) 2004-11-17
AU2001286893A1 (en) 2002-03-13
EP1316242A1 (de) 2003-06-04
DE60107269D1 (de) 2004-12-23
WO2002019777A1 (en) 2002-03-07

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties