ES519707A0 - Perfeccionamientos en circuitos de control de polarizacion para un diodo luminiscente. - Google Patents

Perfeccionamientos en circuitos de control de polarizacion para un diodo luminiscente.

Info

Publication number
ES519707A0
ES519707A0 ES519707A ES519707A ES519707A0 ES 519707 A0 ES519707 A0 ES 519707A0 ES 519707 A ES519707 A ES 519707A ES 519707 A ES519707 A ES 519707A ES 519707 A0 ES519707 A0 ES 519707A0
Authority
ES
Spain
Prior art keywords
series
light
control circuits
polarization control
lighting diode
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.)
Granted
Application number
ES519707A
Other languages
English (en)
Other versions
ES8401254A1 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO
Original Assignee
Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO
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 Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO filed Critical Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO
Publication of ES8401254A1 publication Critical patent/ES8401254A1/es
Publication of ES519707A0 publication Critical patent/ES519707A0/es
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/024—Detecting, measuring or recording pulse rate or heart rate
    • A61B5/02416—Detecting, measuring or recording pulse rate or heart rate using photoplethysmograph signals, e.g. generated by infrared radiation
    • 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
    • H05B45/18—Controlling the intensity of the light using temperature 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]
    • H05B45/30—Driver circuits
    • H05B45/395—Linear regulators
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
ES519707A 1982-02-11 1983-02-11 Perfeccionamientos en circuitos de control de polarizacion para un diodo luminiscente. Granted ES519707A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8200517A NL8200517A (nl) 1982-02-11 1982-02-11 Instelschakeling voor licht-emitterende diode met temperatuurcompensatie.

Publications (2)

Publication Number Publication Date
ES8401254A1 ES8401254A1 (es) 1983-12-01
ES519707A0 true ES519707A0 (es) 1983-12-01

Family

ID=19839235

Family Applications (1)

Application Number Title Priority Date Filing Date
ES519707A Granted ES519707A0 (es) 1982-02-11 1983-02-11 Perfeccionamientos en circuitos de control de polarizacion para un diodo luminiscente.

Country Status (11)

Country Link
US (1) US4529949A (es)
EP (1) EP0086528B1 (es)
JP (1) JPS58151075A (es)
AT (1) ATE27527T1 (es)
AU (1) AU553384B2 (es)
CA (1) CA1194937A (es)
DE (1) DE3371850D1 (es)
DK (1) DK159238C (es)
ES (1) ES519707A0 (es)
NL (1) NL8200517A (es)
ZA (1) ZA83937B (es)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3431996A1 (de) * 1984-08-31 1986-03-13 Fa. Carl Zeiss, 7920 Heidenheim Stromversorgung fuer strahlungsquellen von frequenz-analogen optischen sensoren
US6188268B1 (en) * 1998-10-30 2001-02-13 Sony Corporation Of Japan Low side current sink circuit having improved output impedance to reduce effects of leakage current
US5013971A (en) * 1987-05-26 1991-05-07 Hughes Aircraft Company Temperature stabilization of laser diodes and light emitting diodes
JP2975160B2 (ja) * 1991-05-27 1999-11-10 三菱化学株式会社 発光スペクトル制御システム
US6107861A (en) * 1998-01-27 2000-08-22 Bristol Babcock, Inc. Circuit for self compensation of silicon strain gauge pressure transmitters
EP1117326A1 (en) * 1998-09-29 2001-07-25 Mallinckrodt Inc. Oximeter sensor with encoded temperature characteristic
US6448550B1 (en) * 2000-04-27 2002-09-10 Agilent Technologies, Inc. Method and apparatus for measuring spectral content of LED light source and control thereof
US7228077B2 (en) * 2000-05-12 2007-06-05 Forster Energy Llc Channel gain control for an optical communications system utilizing frequency division multiplexing
DE60135018D1 (de) * 2000-12-21 2008-09-04 Orthoscopics Ltd Apparat zur behandlung von symptomen unter verwendung von getöntem licht
US6753187B2 (en) 2001-05-09 2004-06-22 Lifescan, Inc. Optical component based temperature measurement in analyte detection devices
JP2004330819A (ja) * 2003-05-01 2004-11-25 Koito Mfg Co Ltd 車両用灯具
EP1743384B1 (en) * 2004-03-30 2015-08-05 Phoseon Technology, Inc. Led array having array-based led detectors
ATE406783T1 (de) * 2005-03-08 2008-09-15 Sony Ericsson Mobile Comm Ab Schaltung und verfahren zum überwachen der temperatur einer leuchtdiode
WO2006094590A1 (en) * 2005-03-08 2006-09-14 Sony Ericsson Mobile Communications Ab Electric circuit and method for monitoring a temperature of a light emitting diode
US7498751B2 (en) * 2006-06-15 2009-03-03 Himax Technologies Limited High efficiency and low cost cold cathode fluorescent lamp driving apparatus for LCD backlight
TWI459858B (zh) 2008-06-24 2014-11-01 Eldolab Holding Bv 照明系統及發光二極體組件之控制單元
US9326346B2 (en) 2009-01-13 2016-04-26 Terralux, Inc. Method and device for remote sensing and control of LED lights
US8358085B2 (en) * 2009-01-13 2013-01-22 Terralux, Inc. Method and device for remote sensing and control of LED lights
CN102724792B (zh) 2009-05-04 2015-05-20 艾杜雷控股有限公司 用于led组件的控制单元以及照明系统
EP2501393B1 (en) * 2009-11-17 2016-07-27 Terralux, Inc. Led power-supply detection and control
US9596738B2 (en) 2010-09-16 2017-03-14 Terralux, Inc. Communication with lighting units over a power bus
CN103098552B (zh) 2010-09-16 2016-07-06 特锐拉克斯有限公司 通过电源总线与照明单元进行通信的方法及系统
WO2013090904A1 (en) 2011-12-16 2013-06-20 Terralux, Inc. System and methods of applying bleed circuits in led lamps
US9265119B2 (en) 2013-06-17 2016-02-16 Terralux, Inc. Systems and methods for providing thermal fold-back to LED lights
US10078020B2 (en) 2013-08-23 2018-09-18 Whirlpool Corporation Methods and apparatus to determine home appliance cabinet temperature using a light emitting diode (LED)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3686517A (en) * 1971-09-02 1972-08-22 Gen Electric Temperature compensation means for electronic circuit
US3755679A (en) * 1972-07-10 1973-08-28 Monsanto Co Constant photon energy source
US4081670A (en) * 1976-11-08 1978-03-28 Bell Telephone Laboratories, Incorporated Automatic bias control circuit for injection lasers
NL191373C (nl) * 1980-07-15 1995-06-16 Tno Inrichting voor het sturen van de brandstoftoevoer aan een verbrandingsmotor.

Also Published As

Publication number Publication date
EP0086528A1 (en) 1983-08-24
JPH0434836B2 (es) 1992-06-09
AU1129883A (en) 1983-08-18
ZA83937B (en) 1983-11-30
DK159238C (da) 1991-03-04
NL8200517A (nl) 1983-09-01
DE3371850D1 (en) 1987-07-02
DK57983A (da) 1983-08-12
JPS58151075A (ja) 1983-09-08
ES8401254A1 (es) 1983-12-01
ATE27527T1 (de) 1987-06-15
AU553384B2 (en) 1986-07-10
EP0086528B1 (en) 1987-05-27
US4529949A (en) 1985-07-16
DK159238B (da) 1990-09-17
CA1194937A (en) 1985-10-08
DK57983D0 (da) 1983-02-10

Similar Documents

Publication Publication Date Title
ES519707A0 (es) Perfeccionamientos en circuitos de control de polarizacion para un diodo luminiscente.
SE7902192L (sv) Stromforsorjningskrets for en diod avsedd att avge ljus i forhallande till radande omgivningsljus
DE3667545D1 (de) Hall-effektstrommessrange.
ATE37619T1 (de) Integrierte konstantstromquelle.
NO802311L (no) Likeretter-brokobling.
JPS551147A (en) Stabilized luminous source
JPS55115383A (en) Bias circuit for laser diode
GB1514351A (en) Optical radiation source regulation
JPS57102085A (en) Adjusting method for photo output of semiconductor laser
JPS5728406A (en) Amplifier
JPS56115576A (en) Photodetecting circuit
JPS56115577A (en) Photodetecting circuit
JPS572587A (en) Bias circuit for laser diode
JPS5687384A (en) Light emitting diode type display lamp
SU1394196A1 (ru) Устройство дл усилени и формировани выходного сигнала фотодиода
JPS564877A (en) Logarithmic conversion circuit for resistance variable sensor
SU1328642A1 (ru) Устройство контрол пламени
JPS57185725A (en) Signal input circuit
JPS55149875A (en) Light emission diode driving circuit
JPS5636228A (en) Photo coupling element
SU513497A2 (ru) Оптоэлектронный переключатель
FR2363228A1 (fr) Circuit d'interface pour la conversion de signaux de tension elevee en signaux de basse tension
JPS54147383A (en) Electronic control meter
JPS55150019A (en) Automatic control circuit for optical output
ATE145745T1 (de) Wärmesensor

Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970519