NL7807659A - ENERGY-SAVING LIGHTING SYSTEM. - Google Patents

ENERGY-SAVING LIGHTING SYSTEM.

Info

Publication number: NL7807659A
Authority: NL; Netherlands
Prior art keywords: energy; lighting system; saving lighting; saving; lighting
Prior art date: 1977-11-07

Application number

NL7807659A

Other languages

Dutch (nl)

Original Assignee

Widmayer Don Frederick

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.)

1977-11-07

Filing date

1978-07-18

Publication date

1979-05-09

1978-07-18 Application filed by Widmayer Don Frederick filed Critical Widmayer Don Frederick

1979-05-09 Publication of NL7807659A publication Critical patent/NL7807659A/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
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/36—Controlling
- H05B41/38—Controlling the intensity of light
- H05B41/39—Controlling the intensity of light continuously
- H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
- H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
- H05B41/3922—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations and measurement of the incident 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
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/36—Controlling
- H05B41/38—Controlling the intensity of light
- H05B41/40—Controlling the intensity of light discontinuously
- H05B41/42—Controlling the intensity of light discontinuously in two steps only

NL7807659A 1977-11-07 1978-07-18 ENERGY-SAVING LIGHTING SYSTEM. NL7807659A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US84942777A	1977-11-07	1977-11-07

Publications (1)

Publication Number	Publication Date
NL7807659A true NL7807659A (en)	1979-05-09

Family

ID=25305752

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7807659A NL7807659A (en)	1977-11-07	1978-07-18	ENERGY-SAVING LIGHTING SYSTEM.

Country Status (9)

Country	Link
JP (1)	JPS5466572A (en)
AU (1)	AU527509B2 (en)
CA (1)	CA1128604A (en)
DE (1)	DE2848018A1 (en)
FR (1)	FR2408273A1 (en)
GB (1)	GB2007880B (en)
MX (1)	MX147049A (en)
NL (1)	NL7807659A (en)
SE (1)	SE7807725L (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0020493A1 (en) *	1978-09-26	1981-01-07	Controlled Environment Syst	Fluorescent lamp lighting system.

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0017615A1 (en) *	1979-03-14	1980-10-15	Peter Jucker	Circuit for varying the light intensity of fluorescent lamps and its use
GB2145587B (en) *	1983-08-25	1987-06-10	Lutron Electronics Co	Gas discharging lamp dimming system
DE3524681A1 (en) *	1985-07-11	1987-01-22	Trilux Lenze Gmbh & Co Kg	DIMMER SWITCH FOR AN ELECTRONIC FLUORESCENT LAMP CONTROLLER
DE3633566A1 (en) *	1986-10-02	1988-04-21	Guenter Steinbach	Circuit arrangement for regulated high-energy pulse generation for gas-discharge flash lamps

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1366032A (en) *	1963-05-03	1964-07-10	Thomson Houston Comp Francaise	Device for the operation of electric discharge devices
JPS4219891Y1 (en) *	1964-12-29	1967-11-17
US3422310A (en) *	1965-06-14	1969-01-14	Don F Widmayer	Apparatus for controlling current to load independent of load characteristics
FR1483350A (en) *	1966-06-14	1967-06-02		Device for adjusting an electric current, in particular that supplied to a gas discharge lamp
CH481550A (en) *	1967-12-21	1969-11-15	Frako Kondensatoren Und App Ba	Circuit arrangement with a gas discharge lamp
US3603841A (en) *	1968-03-01	1971-09-07	Matsushita Electronics Corp	Fluorescent lamp device with luminosity control
US3909666A (en) *	1973-12-26	1975-09-30	Stanley N Tenen	Ballast circuit for gaseous discharge lamps
DE2646621A1 (en) *	1976-10-15	1978-04-20	Penguin Marketing Ltd	Gas discharge lamps ballast circuit - is for two lamps in series and has two RC voltage doublers and voltage regulating transistor

1978
- 1978-02-17 CA CA297,162A patent/CA1128604A/en not_active Expired
- 1978-06-19 AU AU37238/78A patent/AU527509B2/en not_active Expired
- 1978-06-28 GB GB7828110A patent/GB2007880B/en not_active Expired
- 1978-07-11 SE SE7807725A patent/SE7807725L/en unknown
- 1978-07-18 NL NL7807659A patent/NL7807659A/en not_active Application Discontinuation
- 1978-07-28 FR FR7822385A patent/FR2408273A1/en active Granted
- 1978-08-11 MX MX174511A patent/MX147049A/en unknown
- 1978-09-11 JP JP11080778A patent/JPS5466572A/en active Pending
- 1978-11-06 DE DE19782848018 patent/DE2848018A1/en not_active Withdrawn

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0020493A1 (en) *	1978-09-26	1981-01-07	Controlled Environment Syst	Fluorescent lamp lighting system.
EP0020493A4 (en) *	1978-09-26	1982-04-22	Controlled Environment Syst	Fluorescent lamp lighting system.

Also Published As

Publication number	Publication date
MX147049A (en)	1982-09-27
GB2007880B (en)	1982-09-08
AU527509B2 (en)	1983-03-10
DE2848018A1 (en)	1979-05-10
FR2408273B1 (en)	1984-09-14
AU3723878A (en)	1980-01-03
GB2007880A (en)	1979-05-23
FR2408273A1 (en)	1979-06-01
CA1128604A (en)	1982-07-27
SE7807725L (en)	1979-05-08
JPS5466572A (en)	1979-05-29

Legal Events

Date	Code	Title
1985-01-01	A85	Still pending on 85-01-01
1985-07-01	BA	A request for search or an international-type search has been filed
1985-11-01	BB	A search report has been drawn up
1985-12-02	BC	A request for examination has been filed
1987-03-02	BV	The patent application has lapsed

Publication	Publication Date	Title
NL7802019A (en)	1978-08-30	FLUORESCENT LAMP SYSTEM.
NL185113C (en)	1990-01-16	FLUORESCENT LAMP SYSTEM.
IT7828203A0 (en)	1978-09-28	SIGNAL LAMP.
NL7802140A (en)	1978-09-13	CONNECTION SYSTEM.
NL7805196A (en)	1978-11-21	RAILHANGBON INSTALLATION.
NL174104C (en)	1984-04-16	LAMP UNIT.
NL7805043A (en)	1978-12-15	MORE SYSTEM.
NL7800844A (en)	1978-08-11	BYPASS - FLUSHING SYSTEM.
NL7804655A (en)	1978-10-31	RESEARCH INSTALLATION.
NO782837L (en)	1979-02-27	CARRYING INSTALLATION.
NL7712585A (en)	1979-05-17	HYDROPHORIC INSTALLATION.
NL7702109A (en)	1978-08-30	BUILDING SYSTEM.
NL7713760A (en)	1979-06-15	LIGHTING LUMINAIRES.
NL7801008A (en)	1978-08-01	FLUORESCENCE LAMP.
NO783593L (en)	1980-04-25	UNYMMETRIC LIGHTING SCREEN.
ES227598Y (en)	1977-11-01	LIGHTING ARRANGEMENT.
SE7805116L (en)	1978-11-06	RORKVARN, SPECIAL KULKVARN
NL7807659A (en)	1979-05-09	ENERGY-SAVING LIGHTING SYSTEM.
NL7809236A (en)	1979-03-14	LAMP.
IT7822859V0 (en)	1978-09-22	ELECTRIC LAMP.
NL7801213A (en)	1978-08-28	LIGHTING DEVICE.
NL7812521A (en)	1979-06-26	FACSIMIL SYSTEM.
NL7805684A (en)	1979-01-09	FLASH LAMP SYSTEM.
DK306378A (en)	1979-01-09	LIGHTING FITTING
ES226952Y (en)	1977-08-16	STREETLIGHT.