NL7900856A - CIRCUIT FOR CHANGE OF LIGHT FLOW FOR HIGH PRESSURE MERCURY VAPOR AND SODIUM VAPOR LAMPS. - Google Patents
CIRCUIT FOR CHANGE OF LIGHT FLOW FOR HIGH PRESSURE MERCURY VAPOR AND SODIUM VAPOR LAMPS.Info
- Publication number
- NL7900856A NL7900856A NL7900856A NL7900856A NL7900856A NL 7900856 A NL7900856 A NL 7900856A NL 7900856 A NL7900856 A NL 7900856A NL 7900856 A NL7900856 A NL 7900856A NL 7900856 A NL7900856 A NL 7900856A
- Authority
- NL
- Netherlands
- Prior art keywords
- circuit
- change
- high pressure
- pressure mercury
- light flow
- 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
- H05B41/40—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 |
---|---|---|---|
DE2804564A DE2804564B2 (en) | 1978-02-03 | 1978-02-03 | Circuit for changing the luminous flux with mercury vapor or sodium vapor high pressure lamps |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7900856A true NL7900856A (en) | 1979-08-07 |
Family
ID=6031048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7900856A NL7900856A (en) | 1978-02-03 | 1979-02-02 | CIRCUIT FOR CHANGE OF LIGHT FLOW FOR HIGH PRESSURE MERCURY VAPOR AND SODIUM VAPOR LAMPS. |
Country Status (6)
Country | Link |
---|---|
DE (1) | DE2804564B2 (en) |
FR (1) | FR2416616A1 (en) |
GB (1) | GB2014001A (en) |
IT (1) | IT1110911B (en) |
NL (1) | NL7900856A (en) |
SE (1) | SE7900940L (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3012869A1 (en) * | 1980-04-02 | 1981-10-08 | Adolf Schuch Kg, Lichttechnische Spezialfabrik, 6520 Worms | Dimming circuit for high pressure gas discharge street lamp - has relay to switch alternative combinations of capacitance and inductance |
DE4421756A1 (en) * | 1994-06-22 | 1996-01-04 | Magnetek May & Christe Gmbh | Interruption-free reversal of power to HV discharge lamp |
DE29507522U1 (en) * | 1995-05-05 | 1995-11-16 | Fa. Ed. Liesegang, 40221 Düsseldorf | Power supply for a projector with a metal halide lamp |
-
1978
- 1978-02-03 DE DE2804564A patent/DE2804564B2/en not_active Ceased
-
1979
- 1979-02-01 GB GB7903526A patent/GB2014001A/en not_active Withdrawn
- 1979-02-01 FR FR7902645A patent/FR2416616A1/en not_active Withdrawn
- 1979-02-02 NL NL7900856A patent/NL7900856A/en not_active Application Discontinuation
- 1979-02-02 IT IT19870/79A patent/IT1110911B/en active
- 1979-02-02 SE SE7900940A patent/SE7900940L/en unknown
Also Published As
Publication number | Publication date |
---|---|
SE7900940L (en) | 1979-08-04 |
IT1110911B (en) | 1986-01-13 |
FR2416616A1 (en) | 1979-08-31 |
IT7919870A0 (en) | 1979-02-02 |
GB2014001A (en) | 1979-08-15 |
DE2804564A1 (en) | 1979-08-09 |
DE2804564B2 (en) | 1980-02-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BV | The patent application has lapsed |