FR2262897A2 - Lighting circuit responsive to ambient light conditions - employing triac controlled by transistor oscillator - Google Patents

Lighting circuit responsive to ambient light conditions - employing triac controlled by transistor oscillator

Info

Publication number
FR2262897A2
FR2262897A2 FR7406922A FR7406922A FR2262897A2 FR 2262897 A2 FR2262897 A2 FR 2262897A2 FR 7406922 A FR7406922 A FR 7406922A FR 7406922 A FR7406922 A FR 7406922A FR 2262897 A2 FR2262897 A2 FR 2262897A2
Authority
FR
France
Prior art keywords
transistor
employing
ambient light
lighting circuit
light conditions
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
FR7406922A
Other languages
English (en)
French (fr)
Other versions
FR2262897B2 (enrdf_load_stackoverflow
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.)
ROMAN MARCEL FR
Original Assignee
ROMAN MARCEL FR
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 ROMAN MARCEL FR filed Critical ROMAN MARCEL FR
Priority to FR7406922A priority Critical patent/FR2262897A2/fr
Publication of FR2262897A2 publication Critical patent/FR2262897A2/fr
Application granted granted Critical
Publication of FR2262897B2 publication Critical patent/FR2262897B2/fr
Granted 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
    • H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
    • H05B39/04—Controlling
    • H05B39/041—Controlling the light-intensity of the source
    • H05B39/042—Controlling the light-intensity of the source by measuring the incident light
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/72—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region
    • H03K17/722—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region with galvanic isolation between the control circuit and the output circuit
    • H03K17/723—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region with galvanic isolation between the control circuit and the output circuit using transformer coupling
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/78—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
    • H03K17/79—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar semiconductor switches with more than two PN-junctions, or more than three electrodes, or more than one electrode connected to the same conductivity region
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
FR7406922A 1974-02-28 1974-02-28 Lighting circuit responsive to ambient light conditions - employing triac controlled by transistor oscillator Granted FR2262897A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7406922A FR2262897A2 (en) 1974-02-28 1974-02-28 Lighting circuit responsive to ambient light conditions - employing triac controlled by transistor oscillator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7406922A FR2262897A2 (en) 1974-02-28 1974-02-28 Lighting circuit responsive to ambient light conditions - employing triac controlled by transistor oscillator

Publications (2)

Publication Number Publication Date
FR2262897A2 true FR2262897A2 (en) 1975-09-26
FR2262897B2 FR2262897B2 (enrdf_load_stackoverflow) 1978-04-14

Family

ID=9135614

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7406922A Granted FR2262897A2 (en) 1974-02-28 1974-02-28 Lighting circuit responsive to ambient light conditions - employing triac controlled by transistor oscillator

Country Status (1)

Country Link
FR (1) FR2262897A2 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982001270A1 (en) * 1980-10-06 1982-04-15 P Obrien Solar-powered lighting system
FR2503431A1 (fr) * 1981-04-02 1982-10-08 Perez Joaquin Tableau porteur d'un " plan de ville " a signalisations lumineuses commandees par des photoresistances

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982001270A1 (en) * 1980-10-06 1982-04-15 P Obrien Solar-powered lighting system
FR2503431A1 (fr) * 1981-04-02 1982-10-08 Perez Joaquin Tableau porteur d'un " plan de ville " a signalisations lumineuses commandees par des photoresistances

Also Published As

Publication number Publication date
FR2262897B2 (enrdf_load_stackoverflow) 1978-04-14

Similar Documents

Publication Publication Date Title
JPS52114915A (en) Dc-dc converter
GB1534946A (en) Converter circuits
FR2262897A2 (en) Lighting circuit responsive to ambient light conditions - employing triac controlled by transistor oscillator
GB1343251A (en) Dc voltage regulator circuit
GB1398383A (en) Starting circuits for electric discharge lamps
ES370848A1 (es) Perfeccionamientos en los reguladores de tension.
GB1460006A (en) Variable brightness lamp
GB1374408A (en) Signal generator
JPS5232104A (en) Plunger pump driving circuit
GB1308578A (en) Blocking oscillator circuits
GB1190185A (en) Light Sensitive Circuit Arrangements
FR2312167A2 (fr) Starter electronique pour lampe a decharge
JPS5517262A (en) Intermittent dc stabilizing power supply device
FR2290818A1 (fr) Clignoteur electronique miniaturise
JPS53143956A (en) Constant voltage circuit
SU502500A1 (ru) Переключатель
ES475477A1 (es) Un circuito de control de entrada con una corriente de sali-da positiva y una negativa en etapas de salida de potencia configuradas en push-pull
GB1440319A (en) Dimmer controls for lamps
SU601683A1 (ru) Стабилизатор напр жени посто нного тока
FR2318425A2 (fr) Dispositif de surveillance d'une tension electrique
JPS5271992A (en) Programmable monolithic circuit system
SU629533A1 (ru) Стабилизированный источник питани посто нного тока
FR2394958A1 (fr) Dispositif d'alimentation pour lampes a decharge
FR2280259A1 (fr) Montage electronique de commutation pour charges selfiques et son application en particulier aux moteurs pas a pas
JPS57117021A (en) Direct current voltage stabilizing circuit