AU527509B2 - Automatic light output system - Google Patents

Automatic light output system

Info

Publication number: AU527509B2
Authority: AU; Australia
Prior art keywords: light output; output system; automatic light; automatic; output
Prior art date: 1977-11-07
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.): Expired

Application number

AU37238/78A

Other versions

AU3723878A (en

Inventor

Frederick Widmayer Don

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.)

Widmayer Don Fredrick

Original Assignee

Widmayer Don Fredrick

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

1978-06-19

Publication date

1983-03-10

1978-06-19 Application filed by Widmayer Don Fredrick filed Critical Widmayer Don Fredrick

1980-01-03 Publication of AU3723878A publication Critical patent/AU3723878A/en

1983-03-10 Application granted granted Critical

1983-03-10 Publication of AU527509B2 publication Critical patent/AU527509B2/en

Status Expired 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
- 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

AU37238/78A 1977-11-07 1978-06-19 Automatic light output system Expired AU527509B2 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US84942777A	1977-11-07	1977-11-07
USUS849427		1977-11-07

Publications (2)

Publication Number	Publication Date
AU3723878A AU3723878A (en)	1980-01-03
AU527509B2 true AU527509B2 (en)	1983-03-10

Family

ID=25305752

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU37238/78A Expired AU527509B2 (en)	1977-11-07	1978-06-19	Automatic light output 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)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1128605A (en) *	1978-09-26	1982-07-27	Controlled Environment Systems, Inc.	Energy conserving automatic light output system
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

Also Published As

Publication number	Publication date
MX147049A (en)	1982-09-27
SE7807725L (en)	1979-05-08
GB2007880A (en)	1979-05-23
DE2848018A1 (en)	1979-05-10
AU3723878A (en)	1980-01-03
JPS5466572A (en)	1979-05-29
FR2408273A1 (en)	1979-06-01
GB2007880B (en)	1982-09-08
CA1128604A (en)	1982-07-27
NL7807659A (en)	1979-05-09
FR2408273B1 (en)	1984-09-14

Publication	Publication Date	Title
US4095139B1 (en)	1997-07-08	Light control system
GB2000604B (en)	1982-01-13	Optical systems
AU525498B2 (en)	1982-11-11	Light fixture
AU507647B2 (en)	1980-02-21	Automatic optical focussing system
JPS5492282A (en)	1979-07-21	Optical system
JPS5417019A (en)	1979-02-08	Optical system
GB2006461B (en)	1982-05-19	Optical system
GB2005044B (en)	1982-01-20	Optical systems
AU521582B2 (en)	1982-04-22	Optical coupling system
AU525913B2 (en)	1982-12-09	Linear light system
AU527509B2 (en)	1983-03-10	Automatic light output system
GB2008355B (en)	1982-08-25	Optical focousing system
DE2862256D1 (en)	1983-06-16	Automatic focusing system
JPS5393024A (en)	1978-08-15	Optical system
AU510340B2 (en)	1980-06-19	Optical interconnecting device
GB2002534B (en)	1982-02-10	Lens system
AU510983B2 (en)	1980-07-24	Light fitting
SU660006A1 (en)	1979-04-30	Light guide
AU510984B2 (en)	1980-07-24	Light fitting
AU512079B2 (en)	1980-09-25	Light fitting
SU622042A1 (en)	1978-08-30	Automatic control system
AU516310B2 (en)	1981-05-28	Automatic pump for deepwells
AU526789B2 (en)	1983-02-03	Automatic power transmission system
AU506587B2 (en)	1980-01-10	Light fitting
AU504723B2 (en)	1979-10-25	Optical scanner