FR2027916A1 - - Google Patents
Info
- Publication number
- FR2027916A1 FR2027916A1 FR7000292A FR7000292A FR2027916A1 FR 2027916 A1 FR2027916 A1 FR 2027916A1 FR 7000292 A FR7000292 A FR 7000292A FR 7000292 A FR7000292 A FR 7000292A FR 2027916 A1 FR2027916 A1 FR 2027916A1
- Authority
- FR
- France
- 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.)
- Withdrawn
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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S315/00—Electric lamp and discharge devices: systems
- Y10S315/02—High frequency starting operation for fluorescent lamp
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S315/00—Electric lamp and discharge devices: systems
- Y10S315/07—Starting and control circuits for gas discharge lamp using transistors
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US78987369A | 1969-01-08 | 1969-01-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2027916A1 true FR2027916A1 (fr) | 1970-10-02 |
Family
ID=25148929
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7000292A Withdrawn FR2027916A1 (fr) | 1969-01-08 | 1970-01-06 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3621331A (fr) |
DE (1) | DE1964765A1 (fr) |
FR (1) | FR2027916A1 (fr) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3896336A (en) * | 1973-12-20 | 1975-07-22 | Texas Instruments Inc | Solid state fluorescent lamp ballast system |
US4101809A (en) * | 1977-05-26 | 1978-07-18 | General Electric Company | Discharge lamp operating circuit |
US4187458A (en) * | 1978-08-07 | 1980-02-05 | The United States Of America As Represented By The Secretary Of The Army | Constant power regenerative magnetic switching regulator |
US4320325A (en) * | 1979-04-12 | 1982-03-16 | General Electric Company | Circuit for starting and ballasting arc discharge lamps |
US4705991A (en) * | 1981-06-04 | 1987-11-10 | U.S. Philips Corporation | Method of operating a high-pressure metal vapor discharge lamp and circuit arrangement for carrying out this method |
US4392081A (en) * | 1981-07-31 | 1983-07-05 | General Electric Company | Lighting unit |
US4414491A (en) * | 1981-08-10 | 1983-11-08 | Quietlite International, Ltd. | Current limiting power supply for electron discharge lamps |
HU190862B (en) * | 1983-11-23 | 1986-11-28 | Tungsram Rt,Hu | High-pressure discharge lamp with favourable colour reproduction |
HU197130B (en) * | 1985-04-11 | 1989-02-28 | Adam Kovacs | Circuit arrangement for generating pulses |
JPS62100996A (ja) * | 1985-10-29 | 1987-05-11 | 株式会社 デンコ−社 | 螢光放電灯点灯装置 |
JPH0185894U (fr) * | 1987-11-27 | 1989-06-07 | ||
US5017840A (en) * | 1987-12-16 | 1991-05-21 | North American Philips Corporation | Ignitor circuit for discharge lamps with novel ballast |
US4939430A (en) * | 1987-12-16 | 1990-07-03 | Advance Transformer Company | Ignitor circuit for discharge lamps with novel ballast |
US5023518A (en) * | 1988-12-12 | 1991-06-11 | Joseph A. Urda | Ballast circuit for gaseous discharge lamp |
US5412286A (en) * | 1993-06-02 | 1995-05-02 | American Power Products, Inc. | Variable voltage ballast system for mini-fluorescent lamp |
US5493181A (en) * | 1994-03-22 | 1996-02-20 | Energy Savings, Inc. | Capacitive lamp out detector |
SE503989C2 (sv) * | 1995-01-16 | 1996-10-14 | Ultralux Ab | Förfarande och anordning för att reglera strålkastare för fordon |
IL121819A (en) * | 1997-09-22 | 2003-12-10 | Elop Electrooptics Ind Ltd | Circuit arrangement for igniting gas discharge flash tubes |
SE518667C2 (sv) * | 2001-03-29 | 2002-11-05 | Apra Light Ab | Energibesparande system för tändning, drift och släckning av anslutna gasurladdningslampor. |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3265930A (en) * | 1962-05-03 | 1966-08-09 | Gen Electric | Current level switching apparatus for operating electric discharge lamps |
US3249799A (en) * | 1962-07-23 | 1966-05-03 | Gen Electric | Systems and apparatus for operating electric discharge devices |
US3263125A (en) * | 1963-05-01 | 1966-07-26 | Gen Electric | Current limiting circuits and apparatus for operating electric discharge devices and other loads |
US3471747A (en) * | 1967-02-02 | 1969-10-07 | Gen Motors Corp | Starting circuit and solid state running circuit for high pressure arc lamp |
-
1969
- 1969-01-08 US US789873A patent/US3621331A/en not_active Expired - Lifetime
- 1969-12-24 DE DE19691964765 patent/DE1964765A1/de active Pending
-
1970
- 1970-01-06 FR FR7000292A patent/FR2027916A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US3621331A (en) | 1971-11-16 |
DE1964765A1 (de) | 1970-07-30 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |