GB1355150A - Light emitting diode driver circuit - Google Patents

Light emitting diode driver circuit

Info

Publication number
GB1355150A
GB1355150A GB5322672A GB5322672A GB1355150A GB 1355150 A GB1355150 A GB 1355150A GB 5322672 A GB5322672 A GB 5322672A GB 5322672 A GB5322672 A GB 5322672A GB 1355150 A GB1355150 A GB 1355150A
Authority
GB
United Kingdom
Prior art keywords
diode
inductance
light emitting
transistor
switch
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
Application number
GB5322672A
Other languages
English (en)
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.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of GB1355150A publication Critical patent/GB1355150A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/42—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled

Landscapes

  • Led Devices (AREA)
GB5322672A 1971-11-26 1972-11-17 Light emitting diode driver circuit Expired GB1355150A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20247571A 1971-11-26 1971-11-26

Publications (1)

Publication Number Publication Date
GB1355150A true GB1355150A (en) 1974-06-05

Family

ID=22750022

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5322672A Expired GB1355150A (en) 1971-11-26 1972-11-17 Light emitting diode driver circuit

Country Status (6)

Country Link
US (1) US3755697A (enExample)
CA (1) CA972826A (enExample)
DE (1) DE2255822B2 (enExample)
FR (1) FR2161046B1 (enExample)
GB (1) GB1355150A (enExample)
MY (1) MY7500220A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2165094A (en) * 1984-09-25 1986-04-03 Masot Oscar Vila Circuit breaker
GB2172120A (en) * 1985-03-09 1986-09-10 English Electric Valve Co Ltd Graticule illuminator circuit for night-sight

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3953806A (en) * 1973-01-12 1976-04-27 Bose Corporation Displaying amplifier output amplitude
DE2364301A1 (de) * 1973-12-22 1975-06-26 Itt Ind Gmbh Deutsche Mit einer spule geschaltete leuchtdiode
US4026102A (en) * 1974-01-25 1977-05-31 Topp Electronics, Inc. Electronic clock
US4190836A (en) * 1976-11-15 1980-02-26 Hitachi, Ltd. Dynamic drive circuit for light-emitting diodes
US4654629A (en) * 1985-07-02 1987-03-31 Pulse Electronics, Inc. Vehicle marker light
US4677632A (en) * 1985-10-28 1987-06-30 American Telephone And Telegraph Company, At&T Bell Laboratories Coupled loop controller for a laser transmitter
AT384916B (de) * 1986-01-17 1988-01-25 Siemens Ag Oesterreich Zusatzschaltung fuer in serie liegende infrarotdioden
SE519550C2 (sv) 1997-01-03 2003-03-11 Ericsson Telefon Ab L M Drivkrets samt förfarande för att driva en sådan drivkrets
US7119498B2 (en) * 2003-12-29 2006-10-10 Texas Instruments Incorporated Current control device for driving LED devices
DE102004032456B3 (de) * 2004-06-30 2006-04-06 Siemens Ag Schaltungsanordnung zum Betreiben eines Leuchtzeichens
US7583244B2 (en) * 2006-05-11 2009-09-01 Ansaldo Sts Usa, Inc. Signal apparatus, light emitting diode (LED) drive circuit, LED display circuit, and display system including the same
US8040070B2 (en) 2008-01-23 2011-10-18 Cree, Inc. Frequency converted dimming signal generation
US8217591B2 (en) * 2009-05-28 2012-07-10 Cree, Inc. Power source sensing dimming circuits and methods of operating same
US10264637B2 (en) 2009-09-24 2019-04-16 Cree, Inc. Solid state lighting apparatus with compensation bypass circuits and methods of operation thereof
US9713211B2 (en) 2009-09-24 2017-07-18 Cree, Inc. Solid state lighting apparatus with controllable bypass circuits and methods of operation thereof
US8901845B2 (en) 2009-09-24 2014-12-02 Cree, Inc. Temperature responsive control for lighting apparatus including light emitting devices providing different chromaticities and related methods
US9353933B2 (en) 2009-09-25 2016-05-31 Cree, Inc. Lighting device with position-retaining element
US8777449B2 (en) 2009-09-25 2014-07-15 Cree, Inc. Lighting devices comprising solid state light emitters
US8602579B2 (en) 2009-09-25 2013-12-10 Cree, Inc. Lighting devices including thermally conductive housings and related structures
US9068719B2 (en) 2009-09-25 2015-06-30 Cree, Inc. Light engines for lighting devices
US9285103B2 (en) 2009-09-25 2016-03-15 Cree, Inc. Light engines for lighting devices
US9464801B2 (en) 2009-09-25 2016-10-11 Cree, Inc. Lighting device with one or more removable heat sink elements
US9030120B2 (en) * 2009-10-20 2015-05-12 Cree, Inc. Heat sinks and lamp incorporating same
US9217542B2 (en) 2009-10-20 2015-12-22 Cree, Inc. Heat sinks and lamp incorporating same
USD673322S1 (en) 2009-11-19 2012-12-25 Cree, Inc. Light engine for a lighting device
US9648685B2 (en) 2009-12-18 2017-05-09 Nokia Technologies Oy Method and apparatus for driving a LED with pulses
US9518715B2 (en) * 2010-02-12 2016-12-13 Cree, Inc. Lighting devices that comprise one or more solid state light emitters
WO2011100224A2 (en) 2010-02-12 2011-08-18 Cree, Inc. Lighting devices that comprise one or more solid state light emitters
US8773007B2 (en) 2010-02-12 2014-07-08 Cree, Inc. Lighting devices that comprise one or more solid state light emitters
CN102844619B (zh) 2010-02-12 2016-12-28 科锐公司 具有散热件的照明设备
US9175811B2 (en) 2010-02-12 2015-11-03 Cree, Inc. Solid state lighting device, and method of assembling the same
US8476836B2 (en) 2010-05-07 2013-07-02 Cree, Inc. AC driven solid state lighting apparatus with LED string including switched segments
US10030863B2 (en) 2011-04-19 2018-07-24 Cree, Inc. Heat sink structures, lighting elements and lamps incorporating same, and methods of making same
US9839083B2 (en) 2011-06-03 2017-12-05 Cree, Inc. Solid state lighting apparatus and circuits including LED segments configured for targeted spectral power distribution and methods of operating the same
US9510413B2 (en) 2011-07-28 2016-11-29 Cree, Inc. Solid state lighting apparatus and methods of forming
US8742671B2 (en) 2011-07-28 2014-06-03 Cree, Inc. Solid state lighting apparatus and methods using integrated driver circuitry
US9554445B2 (en) 2012-02-03 2017-01-24 Cree, Inc. Color point and/or lumen output correction device, lighting system with color point and/or lumen output correction, lighting device, and methods of lighting
US10378749B2 (en) 2012-02-10 2019-08-13 Ideal Industries Lighting Llc Lighting device comprising shield element, and shield element
AU2013352251B2 (en) 2012-11-30 2016-11-03 Becton Dickinson and Company Limited Infusion adapter for drug transfer assembly
US10574026B2 (en) 2017-03-23 2020-02-25 Infineon Technologies Ag Circuit and method for driving a laser diode
DE102019121384A1 (de) * 2019-08-07 2021-02-11 Forschungsverbund Berlin E.V. Optischer Pulsgenerator und Verfahren zum Betrieb eines optischen Pulsgenerators hoher Leistung und kurzen Pulsen
US11387624B2 (en) 2020-02-04 2022-07-12 Analog Devices International Unlimited Company Resonant laser driver

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1177212B (de) * 1963-04-01 1964-09-03 Siemens Ag Verstaerkereinrichtung fuer elektromagnetische Schwingungen
US3462605A (en) * 1965-09-22 1969-08-19 Gen Electric Semiconductor light-emitter and combination light-emitter-photocell wherein the reflector of the light-emitter is comprised of a material different from that of the light-emitter
US3534351A (en) * 1967-04-07 1970-10-13 Gen Electric Light coupled battery powered remote control apparatus
US3666960A (en) * 1970-05-22 1972-05-30 Bell Telephone Labor Inc Reverse bias pulsing of junction diodes to reduce deterioration

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2165094A (en) * 1984-09-25 1986-04-03 Masot Oscar Vila Circuit breaker
GB2172120A (en) * 1985-03-09 1986-09-10 English Electric Valve Co Ltd Graticule illuminator circuit for night-sight

Also Published As

Publication number Publication date
CA972826A (en) 1975-08-12
FR2161046A1 (enExample) 1973-07-06
DE2255822A1 (de) 1973-05-30
MY7500220A (en) 1975-12-31
DE2255822B2 (de) 1975-04-17
FR2161046B1 (enExample) 1977-08-26
US3755697A (en) 1973-08-28

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years