NL7708244A - CONTROL CIRCUIT FOR A DC LAMP. - Google Patents

CONTROL CIRCUIT FOR A DC LAMP.

Info

Publication number
NL7708244A
NL7708244A NL7708244A NL7708244A NL7708244A NL 7708244 A NL7708244 A NL 7708244A NL 7708244 A NL7708244 A NL 7708244A NL 7708244 A NL7708244 A NL 7708244A NL 7708244 A NL7708244 A NL 7708244A
Authority
NL
Netherlands
Prior art keywords
lamp
control circuit
circuit
control
Prior art date
Application number
NL7708244A
Other languages
Dutch (nl)
Original Assignee
Royal Industries
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
Priority claimed from US05/752,689 external-priority patent/US4156166A/en
Application filed by Royal Industries filed Critical Royal Industries
Publication of NL7708244A publication Critical patent/NL7708244A/en

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
    • H05B39/044—Controlling the light-intensity of the source continuously
    • H05B39/047—Controlling the light-intensity of the source continuously with pulse width modulation from a DC power source
    • 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
NL7708244A 1976-08-18 1977-07-25 CONTROL CIRCUIT FOR A DC LAMP. NL7708244A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US71562976A 1976-08-18 1976-08-18
US05/752,689 US4156166A (en) 1976-08-18 1976-12-20 Method and apparatus for saving energy

Publications (1)

Publication Number Publication Date
NL7708244A true NL7708244A (en) 1978-02-21

Family

ID=27109388

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7708244A NL7708244A (en) 1976-08-18 1977-07-25 CONTROL CIRCUIT FOR A DC LAMP.

Country Status (7)

Country Link
JP (1) JPS5326483A (en)
AU (1) AU502209B2 (en)
DE (1) DE2736859A1 (en)
FI (1) FI772029A (en)
FR (1) FR2362553A1 (en)
NL (1) NL7708244A (en)
SE (1) SE7709069L (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0005311A1 (en) * 1978-03-10 1979-11-14 Lear Siegler, Inc. Method and apparatus for regulating the power supplied to an electrical load

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1575175A (en) * 1978-05-05 1980-09-17 Hambro Machinery Ltd Separation apparatus
FR2466933A1 (en) * 1979-09-28 1981-04-10 Papet Martin Trafficator controller - checks correct current in lamp circuit by comparing phase of pulse train from current controlled trigger with flashing frequency
JPS56105347A (en) * 1980-01-21 1981-08-21 Nec Corp Magnetic tape running control device
BR8204205A (en) * 1982-07-16 1984-02-21 Icotron Sa SOLAR POWERED LIQUID PUMPING SYSTEM
DE3325742A1 (en) * 1983-07-16 1985-01-24 Vdo Adolf Schindling Ag, 6000 Frankfurt ELECTRICAL CIRCUIT ARRANGEMENT FOR CONTROLLING A DC CURRENT, IN PARTICULAR FOR BRIGHTNESS-CHANGEABLE FITTING LIGHTING OF VEHICLES
US5400008A (en) * 1989-05-05 1995-03-21 Toohey; James T. Location marker
WO1990013478A1 (en) * 1989-05-12 1990-11-15 Terence Robert Day Annular body aircraft
US5053680A (en) * 1989-06-07 1991-10-01 U.S. Philips Corporation Switching device
ES2114466B1 (en) * 1995-11-23 1999-02-01 Saf Nife Iberica S A METHOD TO OBTAIN A CONSTANT EFFECTIVE VOLTAGE FROM A VARIABLE CONTINUOUS VOLTAGE.
DE19854416A1 (en) * 1998-11-25 2000-05-31 Linde Ag Voltage converter and industrial truck with DC voltage supply
DE19920307A1 (en) * 1999-05-03 2000-11-16 St Microelectronics Gmbh Electrical circuit for controlling a load
DE102012022204A1 (en) * 2012-11-13 2014-05-15 Jungheinrich Aktiengesellschaft Voltage converter for connecting electrical load to supply voltage, has clock generator that adjusts pulse width for electrical consumer, such that power supplied to load does not exceeds the rated voltage of load on average over time

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1489822A (en) * 1966-06-14 1967-07-28 Brion Leroux & Cie Ets Voltage regulator device particularly applicable to lighting networks supplied by a direct voltage source
FR1556312A (en) * 1967-12-14 1969-02-07
US3597652A (en) * 1969-01-14 1971-08-03 Eg & G Inc Apparatus for maintaining the temperature and operating a calibrated lamp in a constant resistance mode
JPS4961973A (en) * 1972-10-16 1974-06-15
US3931567A (en) * 1974-02-08 1976-01-06 Warwick Electronics Inc. DC power supply with load current regulation
JPS5223170U (en) * 1975-08-07 1977-02-18

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0005311A1 (en) * 1978-03-10 1979-11-14 Lear Siegler, Inc. Method and apparatus for regulating the power supplied to an electrical load

Also Published As

Publication number Publication date
SE7709069L (en) 1978-02-19
DE2736859A1 (en) 1978-02-23
AU2798377A (en) 1979-02-22
FR2362553A1 (en) 1978-03-17
JPS5326483A (en) 1978-03-11
AU502209B2 (en) 1979-07-19
FI772029A (en) 1978-02-19

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Legal Events

Date Code Title Description
BB A search report has been drawn up
CNR Transfer of rights (patent application after its laying open for public inspection)

Free format text: LEAR SIEGLER INC.

BV The patent application has lapsed