IE791063L - Dimming the light flux - Google Patents

Dimming the light flux

Info

Publication number: IE791063L
Authority: IE; Ireland
Prior art keywords: dimming; light flux; flux; light
Prior art date: 1977-10-03

Application number

IE791063A

Other versions

IE48753B1 (en

Inventor

Yves Goffaux

Original Assignee

Acec

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.)

1977-10-03

Filing date

1979-08-08

Publication date

1979-11-30

1979-08-08 Application filed by Acec filed Critical Acec

1979-11-30 Publication of IE791063L publication Critical patent/IE791063L/en

1985-05-15 Publication of IE48753B1 publication Critical patent/IE48753B1/en

Links

230000004907 flux Effects 0.000 title 1

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
- H05B41/40—Controlling the intensity of light discontinuously
- H05B41/42—Controlling the intensity of light discontinuously in two steps only
- 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
- 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

IE1063/79A 1977-10-03 1979-08-08 Apparatus for controlling the variation in light flux IE48753B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
BE1008418A BE859304A (en)	1977-10-03	1977-10-03	LUMINOUS FLOW VARIATION CONTROL INSTALLATION
BE1008900A BE867603A (en)	1977-10-03	1978-05-30	LUMINOUS FLOW VARIATION CONTROL INSTALLATION

Publications (2)

Publication Number	Publication Date
IE791063L true IE791063L (en)	1979-11-30
IE48753B1 IE48753B1 (en)	1985-05-15

Family

ID=25661340

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IE1063/79A IE48753B1 (en)	1977-10-03	1979-08-08	Apparatus for controlling the variation in light flux

Country Status (7)

Country	Link
BE (2)	BE859304A (en)
DE (1)	DE2921833A1 (en)
FR (1)	FR2404988A1 (en)
GB (1)	GB2022343A (en)
IE (1)	IE48753B1 (en)
IT (1)	IT1157354B (en)
NL (1)	NL7904257A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE29507522U1 (en) *	1995-05-05	1995-11-16	Fa. Ed. Liesegang, 40221 Düsseldorf	Power supply for a projector with a metal halide lamp

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3463964A (en) *	1967-11-28	1969-08-26	British Lighting Ind Ltd	Fluorescent lamp-dimming circuit
FR2055842A5 (en) *	1969-06-24	1971-05-14	Philips France
FR2335119A1 (en) *	1975-12-08	1977-07-08	Lampes Sa	Power regulation for discharge lamps - for two level lamps has triacs in parallel with series inductances
FR2341246A1 (en) *	1976-02-12	1977-09-09	Stl	Power stabilisation for discharge lamps - uses transformer to maintain voltage at higher level than supply voltage

1977
- 1977-10-03 BE BE1008418A patent/BE859304A/en not_active IP Right Cessation
1978
- 1978-05-30 BE BE1008900A patent/BE867603A/en not_active IP Right Cessation
- 1978-09-27 FR FR7827620A patent/FR2404988A1/en active Granted
- 1978-10-02 IT IT5133178A patent/IT1157354B/en active
1979
- 1979-05-29 GB GB7918578A patent/GB2022343A/en not_active Withdrawn
- 1979-05-29 DE DE19792921833 patent/DE2921833A1/en active Pending
- 1979-05-30 NL NL7904257A patent/NL7904257A/en not_active Application Discontinuation
- 1979-08-08 IE IE1063/79A patent/IE48753B1/en unknown

Also Published As

Publication number	Publication date
DE2921833A1 (en)	1979-12-06
BE859304A (en)	1978-04-03
NL7904257A (en)	1979-12-04
FR2404988B1 (en)	1984-05-04
BE867603A (en)	1978-09-18
IT7851331A0 (en)	1978-10-02
GB2022343A (en)	1979-12-12
IT1157354B (en)	1987-02-11
FR2404988A1 (en)	1979-04-27
IE48753B1 (en)	1985-05-15

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GB2009384A (en)	1979-06-13	Light refelctor
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DE3068887D1 (en)	1984-09-13	Light
JPS53135190A (en)	1978-11-25	Lamp
JPS5466158A (en)	1979-05-28	Light transmission controller
GB2000265B (en)	1982-03-17	Daylight lamps
JPS5433026A (en)	1979-03-10	Multiiflash lamp assembly
GB2065285B (en)	1983-03-09	Multicellular waist-belted light fixture
JPS5648673A (en)	1981-05-01	Electriccoptical light flux controller
JPS5645505A (en)	1981-04-25	Lighting device using daylight
HK19280A (en)	1980-04-18	Light fitting
GB1546358A (en)	1979-05-23	Art light form
ZA7601697D (en)	1977-05-25	Light dimmer