NL7807659A - ENERGY-SAVING LIGHTING SYSTEM. - Google Patents
ENERGY-SAVING LIGHTING SYSTEM.Info
- Publication number
- NL7807659A NL7807659A NL7807659A NL7807659A NL7807659A NL 7807659 A NL7807659 A NL 7807659A NL 7807659 A NL7807659 A NL 7807659A NL 7807659 A NL7807659 A NL 7807659A NL 7807659 A NL7807659 A NL 7807659A
- Authority
- NL
- Netherlands
- Prior art keywords
- energy
- lighting system
- saving lighting
- saving
- lighting
- Prior art date
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
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)
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)
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)
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)
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 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A85 | Still pending on 85-01-01 | ||
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
BV | The patent application has lapsed |