FR2568042B1 - TWO-COLOR LIGHT INDICATOR INDICATING THE OPERATING STATE OF A CIRCUIT OF USE - Google Patents

TWO-COLOR LIGHT INDICATOR INDICATING THE OPERATING STATE OF A CIRCUIT OF USE

Info

Publication number
FR2568042B1
FR2568042B1 FR8411297A FR8411297A FR2568042B1 FR 2568042 B1 FR2568042 B1 FR 2568042B1 FR 8411297 A FR8411297 A FR 8411297A FR 8411297 A FR8411297 A FR 8411297A FR 2568042 B1 FR2568042 B1 FR 2568042B1
Authority
FR
France
Prior art keywords
circuit
operating state
color light
indicator indicating
light indicator
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
FR8411297A
Other languages
French (fr)
Other versions
FR2568042A1 (en
Inventor
Serge Guennou
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.)
Radiotechnique Compelec RTC SA
Original Assignee
Radiotechnique Compelec RTC 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 Radiotechnique Compelec RTC SA filed Critical Radiotechnique Compelec RTC SA
Priority to FR8411297A priority Critical patent/FR2568042B1/en
Publication of FR2568042A1 publication Critical patent/FR2568042A1/en
Application granted granted Critical
Publication of FR2568042B1 publication Critical patent/FR2568042B1/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
    • 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]
    • H05B45/20—Controlling the colour 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]
    • H05B45/20—Controlling the colour of the light
    • H05B45/28—Controlling the colour 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]
    • H05B45/40—Details of LED load circuits
    • H05B45/42—Antiparallel configurations

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Audible And Visible Signals (AREA)
FR8411297A 1984-07-17 1984-07-17 TWO-COLOR LIGHT INDICATOR INDICATING THE OPERATING STATE OF A CIRCUIT OF USE Expired FR2568042B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8411297A FR2568042B1 (en) 1984-07-17 1984-07-17 TWO-COLOR LIGHT INDICATOR INDICATING THE OPERATING STATE OF A CIRCUIT OF USE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8411297A FR2568042B1 (en) 1984-07-17 1984-07-17 TWO-COLOR LIGHT INDICATOR INDICATING THE OPERATING STATE OF A CIRCUIT OF USE

Publications (2)

Publication Number Publication Date
FR2568042A1 FR2568042A1 (en) 1986-01-24
FR2568042B1 true FR2568042B1 (en) 1986-09-05

Family

ID=9306192

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8411297A Expired FR2568042B1 (en) 1984-07-17 1984-07-17 TWO-COLOR LIGHT INDICATOR INDICATING THE OPERATING STATE OF A CIRCUIT OF USE

Country Status (1)

Country Link
FR (1) FR2568042B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200702824A (en) 2005-06-02 2007-01-16 Koninkl Philips Electronics Nv LED assembly and module

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3869641A (en) * 1972-06-21 1975-03-04 Monsanto Co AC Responsive led pilot light circuitry
US4556329A (en) * 1982-12-01 1985-12-03 General Electric Company Resistor temperature device trip unit
FR2537752B1 (en) * 1982-12-14 1988-02-19 Debailleul Daniel METHOD FOR MANUFACTURING LED VOLTAGE INDICATORS FOR ALTERNATIVE VOLTAGES, IN MONO, BI OR THREE-COLOR, WITHOUT ENERGY CONSUMPTION

Also Published As

Publication number Publication date
FR2568042A1 (en) 1986-01-24

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Legal Events

Date Code Title Description
CA Change of address
CD Change of name or company name
ST Notification of lapse