IT1024436B - Perfezionamento nei sistemi a comando fotoelettrico per l accensione e spegnimento di lampade - Google Patents

Perfezionamento nei sistemi a comando fotoelettrico per l accensione e spegnimento di lampade

Info

Publication number
IT1024436B
IT1024436B IT54520/74A IT5452074A IT1024436B IT 1024436 B IT1024436 B IT 1024436B IT 54520/74 A IT54520/74 A IT 54520/74A IT 5452074 A IT5452074 A IT 5452074A IT 1024436 B IT1024436 B IT 1024436B
Authority
IT
Italy
Prior art keywords
lamps
switching
improvement
control systems
photoelectric control
Prior art date
Application number
IT54520/74A
Other languages
English (en)
Original Assignee
Electrotec De Occidente
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 Electrotec De Occidente filed Critical Electrotec De Occidente
Application granted granted Critical
Publication of IT1024436B publication Critical patent/IT1024436B/it

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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
    • 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
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
IT54520/74A 1973-12-14 1974-12-12 Perfezionamento nei sistemi a comando fotoelettrico per l accensione e spegnimento di lampade IT1024436B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MX14821473 1973-12-14

Publications (1)

Publication Number Publication Date
IT1024436B true IT1024436B (it) 1978-06-20

Family

ID=19745463

Family Applications (1)

Application Number Title Priority Date Filing Date
IT54520/74A IT1024436B (it) 1973-12-14 1974-12-12 Perfezionamento nei sistemi a comando fotoelettrico per l accensione e spegnimento di lampade

Country Status (11)

Country Link
US (1) US4008415A (it)
JP (1) JPS5091786A (it)
AU (1) AU7574174A (it)
BE (1) BE823356A (it)
BR (1) BR7410464D0 (it)
DE (1) DE2458542A1 (it)
DK (1) DK144990C (it)
FR (1) FR2254926B1 (it)
GB (1) GB1455520A (it)
IT (1) IT1024436B (it)
NL (1) NL7416279A (it)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2379201A2 (fr) * 1977-01-31 1978-08-25 Vedette Fabrique Horlogerie Interrupteur crepusculaire
US4204149A (en) * 1977-07-18 1980-05-20 Cleary James J Electronic controlled-duration switching
US4147962A (en) * 1977-12-19 1979-04-03 Westinghouse Electric Corp. Energy-conserving illumination system
US4198563A (en) * 1978-07-24 1980-04-15 Elssner Egon H Photodetector timer network
US4209728A (en) * 1978-10-02 1980-06-24 Sai Engineers, Inc. Outdoor lighting system and method
JPS5676196A (en) * 1979-11-27 1981-06-23 Matsushita Electric Works Ltd Automatic flasher
JPS57501797A (it) * 1980-10-06 1982-10-07
US4425513A (en) 1982-02-16 1984-01-10 Eation Corporation Method and device for providing dwell in timer controlled appliances
US4451763A (en) * 1982-05-05 1984-05-29 International Telephone And Telegraph Corporation Electronic lamp control apparatus
US4587417A (en) * 1982-06-10 1986-05-06 Area Lighting Research, Inc. Field-adjustable power control arrangement and methods of controlling power and of adjusting the timing thereof
US4851738A (en) * 1982-08-11 1989-07-25 Yang Tai Her Lighting system having photosensing timing switch circuit
US4645980A (en) * 1982-08-11 1987-02-24 Yang Tai Her Lighting system having photosensing timing switch circuit
CA1228392A (en) * 1983-05-20 1987-10-20 Francis M. Watson Skylight sensor and control system
US4568868A (en) * 1984-08-14 1986-02-04 Texas Hitech, Inc. Remote solar powered light
GB2180704A (en) * 1985-05-03 1987-04-01 Yang Tai Her Light-responsive switching circuit
GB2190803A (en) * 1986-05-20 1987-11-25 Yong Kin Michael Ong Light-dependent timer switching system
US5272418A (en) * 1990-01-09 1993-12-21 Universal Electronics, Inc. Time enabled photosensing circuit
AU675589B2 (en) * 1994-10-31 1997-02-06 Kagatsu Kabushiki Kaisha Automatic on/off light switch apparatus
US5594238A (en) * 1995-02-17 1997-01-14 Albert J. Endruschat Touchless switch which discriminates between motion intended to toggle the switch and other forms of motion
US5789868A (en) * 1996-08-13 1998-08-04 The Lamson & Sessions Co. Timed photocell switch circuit
US6359555B1 (en) * 1997-04-16 2002-03-19 A.L. Airdata, Inc. Alarm monitoring and control system and method
US6714895B2 (en) * 2000-06-28 2004-03-30 A.L. Air Data, Inc. Lamp monitoring and control unit and method
US6119076A (en) 1997-04-16 2000-09-12 A.L. Air Data, Inc. Lamp monitoring and control unit and method
US6035266A (en) * 1997-04-16 2000-03-07 A.L. Air Data, Inc. Lamp monitoring and control system and method
US5895986A (en) * 1997-04-30 1999-04-20 Walters; Jeff D. Photoelectric load control system and method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2140387A (en) * 1935-03-16 1938-12-13 Gen Electric Photoelectric relay apparatus
US2295894A (en) * 1940-05-27 1942-09-15 Dewan Leon System for controlling lighting circuits and like circuits
US3366801A (en) * 1965-02-19 1968-01-30 American Mach & Foundry Automatic recycling time switch
US3450939A (en) * 1967-05-09 1969-06-17 Westinghouse Electric Corp Solid state control switch with instant on characteristic and low wattage components
US3539861A (en) * 1968-05-22 1970-11-10 Mc Graw Edison Co Control for luminaires employing gaseous discharge lamps at low ambient temperatures
US3648107A (en) * 1969-02-18 1972-03-07 Rydborn S A O Circuitry for connecting and disconnecting a load
US3611432A (en) * 1969-06-02 1971-10-05 Gen Electric Combined operating circuit for gaseous discharge and incandescent lamps
JPS5141229B2 (it) * 1972-03-08 1976-11-09

Also Published As

Publication number Publication date
JPS5091786A (it) 1975-07-22
BR7410464D0 (pt) 1975-09-16
DK144990B (da) 1982-07-19
US4008415A (en) 1977-02-15
DK144990C (da) 1982-12-20
FR2254926A1 (it) 1975-07-11
DK651874A (it) 1975-08-11
GB1455520A (en) 1976-11-10
BE823356A (fr) 1975-04-01
DE2458542A1 (de) 1975-06-26
FR2254926B1 (it) 1978-03-10
NL7416279A (nl) 1975-06-17
AU7574174A (en) 1976-05-27

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