ES492136A0 - A PROCEDURE TO PROTECT THE LIGHT SOURCE OF OPTICAL TRANSMITTERS - Google Patents

A PROCEDURE TO PROTECT THE LIGHT SOURCE OF OPTICAL TRANSMITTERS

Info

Publication number
ES492136A0
ES492136A0 ES492136A ES492136A ES492136A0 ES 492136 A0 ES492136 A0 ES 492136A0 ES 492136 A ES492136 A ES 492136A ES 492136 A ES492136 A ES 492136A ES 492136 A0 ES492136 A0 ES 492136A0
Authority
ES
Spain
Prior art keywords
protect
procedure
light source
optical transmitters
transmitters
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
ES492136A
Other languages
Spanish (es)
Other versions
ES8101334A1 (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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Priority to ES492136A priority Critical patent/ES8101334A1/en
Publication of ES492136A0 publication Critical patent/ES492136A0/en
Publication of ES8101334A1 publication Critical patent/ES8101334A1/en
Priority to CH3669/81A priority patent/CH654427A5/en
Expired legal-status Critical Current

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]
    • H05B45/30—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
    • 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]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • H05B45/56—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits involving measures to prevent abnormal temperature of the LEDs
    • 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]
ES492136A 1980-06-04 1980-06-04 A protection procedure for the luminous source of optical transmitters (Machine-translation by Google Translate, not legally binding) Expired ES8101334A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ES492136A ES8101334A1 (en) 1980-06-04 1980-06-04 A protection procedure for the luminous source of optical transmitters (Machine-translation by Google Translate, not legally binding)
CH3669/81A CH654427A5 (en) 1980-06-04 1981-06-04 Method for protecting the light source of opto-transmitters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES492136A ES8101334A1 (en) 1980-06-04 1980-06-04 A protection procedure for the luminous source of optical transmitters (Machine-translation by Google Translate, not legally binding)

Publications (2)

Publication Number Publication Date
ES492136A0 true ES492136A0 (en) 1980-12-16
ES8101334A1 ES8101334A1 (en) 1980-12-16

Family

ID=8480548

Family Applications (1)

Application Number Title Priority Date Filing Date
ES492136A Expired ES8101334A1 (en) 1980-06-04 1980-06-04 A protection procedure for the luminous source of optical transmitters (Machine-translation by Google Translate, not legally binding)

Country Status (2)

Country Link
CH (1) CH654427A5 (en)
ES (1) ES8101334A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI77736C (en) * 1987-06-25 1989-04-10 Valtion Teknillinen FOERFARANDE FOER REGLERING AV STRAOLKAELLA OCH REGLERBAR STRAOLKAELLA.
US8399819B2 (en) * 2009-03-31 2013-03-19 Osram Sylvania Inc. Current source to drive a light source in an optical sensor system
DE102010041987A1 (en) * 2010-10-05 2012-04-05 Tridonic Gmbh & Co. Kg Operating device with adjustable critical temperature

Also Published As

Publication number Publication date
CH654427A5 (en) 1986-02-14
ES8101334A1 (en) 1980-12-16

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