FR2432818A1 - Circuit gradateur a haute frequence pour lampe a decharge dans un gaz d'intensite elevee - Google Patents
Circuit gradateur a haute frequence pour lampe a decharge dans un gaz d'intensite eleveeInfo
- Publication number
- FR2432818A1 FR2432818A1 FR7919922A FR7919922A FR2432818A1 FR 2432818 A1 FR2432818 A1 FR 2432818A1 FR 7919922 A FR7919922 A FR 7919922A FR 7919922 A FR7919922 A FR 7919922A FR 2432818 A1 FR2432818 A1 FR 2432818A1
- Authority
- FR
- France
- Prior art keywords
- discharge lamp
- dimmer circuit
- high frequency
- high intensity
- intensity gas
- 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.)
- Granted
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
- H05B41/3924—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by phase control, e.g. using a triac
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
Abstract
L'invention concerne un circuit gradateur pour lampe à décharge dans un gaz. Ce circuit comprend un moyen 110, 112a, 112b, 112c récepteur d'une tension de commande à haute fréquence et donnant une onde rectangulaire, un convertisseur de fréquence en tension 114 et un moyen de minutage 116-122 qui fournit un signal de porte pour le semi-conducteur 20 de dérivation d'un ballast 14. L'invention s'applique à des lampes d'intensité élevée.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/930,913 US4181873A (en) | 1978-08-04 | 1978-08-04 | High frequency dimmer circuit for high intensity, gaseous discharge lamp |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2432818A1 true FR2432818A1 (fr) | 1980-02-29 |
FR2432818B1 FR2432818B1 (fr) | 1983-10-14 |
Family
ID=25459952
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7919922A Granted FR2432818A1 (fr) | 1978-08-04 | 1979-07-30 | Circuit gradateur a haute frequence pour lampe a decharge dans un gaz d'intensite elevee |
Country Status (9)
Country | Link |
---|---|
US (1) | US4181873A (fr) |
AU (1) | AU523567B2 (fr) |
BE (1) | BE878063A (fr) |
CA (1) | CA1108225A (fr) |
DE (1) | DE2930790A1 (fr) |
ES (1) | ES8102763A1 (fr) |
FR (1) | FR2432818A1 (fr) |
GB (1) | GB2027294B (fr) |
IT (1) | IT1117399B (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4797599A (en) * | 1987-04-21 | 1989-01-10 | Lutron Electronics Co., Inc. | Power control circuit with phase controlled signal input |
US5118994A (en) * | 1990-05-25 | 1992-06-02 | Gte Laboratories Incorporated | Method and circuit for improved hid lamp maintenance |
US5227762A (en) * | 1990-10-26 | 1993-07-13 | Thomas Industries Inc. | Power line carrier controlled lighting system |
GB2269948A (en) * | 1992-07-23 | 1994-02-23 | Axiomatic Design Ltd | Gas discharge lamp dimmer circuit |
US5782020A (en) * | 1996-11-13 | 1998-07-21 | Shumaker; L. Wade | Method and equipment for simultaneous excavation and land refill with minimum operating labor |
US5815067A (en) * | 1997-05-19 | 1998-09-29 | Thomas Lighting | Single control wire device for HID dimming |
US6069457A (en) * | 1998-01-20 | 2000-05-30 | Lumion University | Method and apparatus for controlling lights and other devices |
US6271635B1 (en) * | 1999-01-11 | 2001-08-07 | Advanced Lighting Technologies, Inc. | Dimming system and method for magnetically ballasted gaseous discharge lamps |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2052207A5 (fr) * | 1969-07-29 | 1971-04-09 | Lepaute | |
US3638070A (en) * | 1969-10-17 | 1972-01-25 | Richard W Powell | Fluorescent lamp starting and control circuit |
US3816794A (en) * | 1972-03-28 | 1974-06-11 | Esquire Inc | High intensity, gas discharge lamp dimmer system |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3894265A (en) * | 1974-02-11 | 1975-07-08 | Esquire Inc | High intensity lamp dimming circuit |
DE2508923A1 (de) * | 1975-03-01 | 1976-09-09 | Bbc Brown Boveri & Cie | Elektronische zusatzschaltungsanordnung |
US4060752A (en) * | 1976-03-01 | 1977-11-29 | General Electric Company | Discharge lamp auxiliary circuit with dI/dt switching control |
-
1978
- 1978-08-04 US US05/930,913 patent/US4181873A/en not_active Expired - Lifetime
-
1979
- 1979-06-26 CA CA330,619A patent/CA1108225A/fr not_active Expired
- 1979-06-29 GB GB7922665A patent/GB2027294B/en not_active Expired
- 1979-07-13 IT IT49747/79A patent/IT1117399B/it active
- 1979-07-19 AU AU49063/79A patent/AU523567B2/en not_active Ceased
- 1979-07-28 DE DE19792930790 patent/DE2930790A1/de not_active Withdrawn
- 1979-07-30 FR FR7919922A patent/FR2432818A1/fr active Granted
- 1979-08-02 ES ES483075A patent/ES8102763A1/es not_active Expired
- 1979-08-03 BE BE0/196588A patent/BE878063A/fr not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2052207A5 (fr) * | 1969-07-29 | 1971-04-09 | Lepaute | |
US3638070A (en) * | 1969-10-17 | 1972-01-25 | Richard W Powell | Fluorescent lamp starting and control circuit |
US3816794A (en) * | 1972-03-28 | 1974-06-11 | Esquire Inc | High intensity, gas discharge lamp dimmer system |
Also Published As
Publication number | Publication date |
---|---|
GB2027294A (en) | 1980-02-13 |
AU4906379A (en) | 1980-02-07 |
FR2432818B1 (fr) | 1983-10-14 |
AU523567B2 (en) | 1982-08-05 |
US4181873A (en) | 1980-01-01 |
IT1117399B (it) | 1986-02-17 |
ES483075A0 (es) | 1980-09-01 |
GB2027294B (en) | 1982-10-20 |
DE2930790A1 (de) | 1980-02-14 |
ES8102763A1 (es) | 1980-09-01 |
CA1108225A (fr) | 1981-09-01 |
BE878063A (fr) | 1979-12-03 |
IT7949747A0 (it) | 1979-07-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |