FR2516335B1 - Dispositif de commande de l'intensite lumineuse d'un tube fluorescent alimente sur une tension continue - Google Patents
Dispositif de commande de l'intensite lumineuse d'un tube fluorescent alimente sur une tension continueInfo
- Publication number
- FR2516335B1 FR2516335B1 FR8120906A FR8120906A FR2516335B1 FR 2516335 B1 FR2516335 B1 FR 2516335B1 FR 8120906 A FR8120906 A FR 8120906A FR 8120906 A FR8120906 A FR 8120906A FR 2516335 B1 FR2516335 B1 FR 2516335B1
- Authority
- FR
- France
- Prior art keywords
- controlling
- light intensity
- fluorescent tube
- continuous voltage
- tube supplied
- Prior art date
- 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
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
- H05B41/3927—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by pulse width modulation
-
- 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
- Y10S315/04—Dimming circuit for fluorescent lamps
-
- 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
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8120906A FR2516335B1 (fr) | 1981-11-09 | 1981-11-09 | Dispositif de commande de l'intensite lumineuse d'un tube fluorescent alimente sur une tension continue |
EP82402038A EP0082031A1 (fr) | 1981-11-09 | 1982-11-05 | Dispositif de commande de l'intensité lumineuse d'un tube fluorescent alimenté sur une tension continue |
US06/675,451 US4529913A (en) | 1981-11-09 | 1984-11-27 | Device for controlling the light intensity of a fluorescent tube fed from a D.C. voltage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8120906A FR2516335B1 (fr) | 1981-11-09 | 1981-11-09 | Dispositif de commande de l'intensite lumineuse d'un tube fluorescent alimente sur une tension continue |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2516335A1 FR2516335A1 (fr) | 1983-05-13 |
FR2516335B1 true FR2516335B1 (fr) | 1985-06-07 |
Family
ID=9263805
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8120906A Expired FR2516335B1 (fr) | 1981-11-09 | 1981-11-09 | Dispositif de commande de l'intensite lumineuse d'un tube fluorescent alimente sur une tension continue |
Country Status (3)
Country | Link |
---|---|
US (1) | US4529913A (fr) |
EP (1) | EP0082031A1 (fr) |
FR (1) | FR2516335B1 (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5402043A (en) * | 1978-03-20 | 1995-03-28 | Nilssen; Ole K. | Controlled driven series-resonant ballast |
JPS5834560A (ja) * | 1981-08-21 | 1983-03-01 | 周 成祥 | 放電灯ディスプレイ装置 |
US4682080A (en) * | 1984-08-17 | 1987-07-21 | Hitachi, Ltd. | Discharge lamp operating device |
US4682083A (en) * | 1984-10-29 | 1987-07-21 | General Electric Company | Fluorescent lamp dimming adaptor kit |
US4691146A (en) * | 1986-03-10 | 1987-09-01 | Jacques Roux | Method for forming special color effects from a fluorescent lamp which is supplied with electrical power and a device for carrying out the method |
DE3722323A1 (de) * | 1987-07-07 | 1989-01-19 | Herfurth Gmbh | Oszillator zum speisen einer gasentladungsstrecke |
FR2635398B1 (fr) * | 1988-08-09 | 1992-04-24 | Thomson Csf | Procede et dispositif d'eclairage arriere d'un ecran matriciel a cristal liquide |
US5239293A (en) * | 1988-08-09 | 1993-08-24 | Thomson - Csf | Method and device for the rear illumination of a liquid crystal matrix display panel |
US5023518A (en) * | 1988-12-12 | 1991-06-11 | Joseph A. Urda | Ballast circuit for gaseous discharge lamp |
JP2587710B2 (ja) * | 1990-04-28 | 1997-03-05 | 株式会社小糸製作所 | 車輌用放電灯の点灯回路 |
US5517089A (en) * | 1993-10-28 | 1996-05-14 | Abbott Laboratories | Regulated electroluminescent panel power supply |
US5990634A (en) * | 1996-05-31 | 1999-11-23 | Logic Laboratories, Inc. | Dynamic range dimmer for gas discharge lamps |
FR2778085B1 (fr) | 1998-04-30 | 2001-01-05 | Fred Zacouto | Implant squelettique |
US5815067A (en) * | 1997-05-19 | 1998-09-29 | Thomas Lighting | Single control wire device for HID dimming |
US6570347B2 (en) | 2000-06-01 | 2003-05-27 | Everbrite, Inc. | Gas-discharge lamp having brightness control |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3890537A (en) * | 1974-01-02 | 1975-06-17 | Gen Electric | Solid state chopper ballast for gaseous discharge lamps |
US4039897A (en) * | 1976-03-08 | 1977-08-02 | Dragoset James E | System for controlling power applied to a gas discharge lamp |
US4277728A (en) * | 1978-05-08 | 1981-07-07 | Stevens Luminoptics | Power supply for a high intensity discharge or fluorescent lamp |
US4170747A (en) * | 1978-09-22 | 1979-10-09 | Esquire, Inc. | Fixed frequency, variable duty cycle, square wave dimmer for high intensity gaseous discharge lamp |
US4219760A (en) * | 1979-03-22 | 1980-08-26 | General Electric Company | SEF Lamp dimming |
US4251752A (en) * | 1979-05-07 | 1981-02-17 | Synergetics, Inc. | Solid state electronic ballast system for fluorescent lamps |
US4286195A (en) * | 1979-07-05 | 1981-08-25 | Vultron, Inc. | Dimmer circuit for fluorescent lamps |
US4346332A (en) * | 1980-08-14 | 1982-08-24 | General Electric Company | Frequency shift inverter for variable power control |
US4492899A (en) * | 1981-08-18 | 1985-01-08 | Indicator Controls Corporation | Solid state regulated power supply system for cold cathode luminous tube |
-
1981
- 1981-11-09 FR FR8120906A patent/FR2516335B1/fr not_active Expired
-
1982
- 1982-11-05 EP EP82402038A patent/EP0082031A1/fr not_active Withdrawn
-
1984
- 1984-11-27 US US06/675,451 patent/US4529913A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0082031A1 (fr) | 1983-06-22 |
US4529913A (en) | 1985-07-16 |
FR2516335A1 (fr) | 1983-05-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |