IT7949747A0 - Circuito di comando di sblocco in un impianto oscuratore di una lampada a scarica gassosa ad alta intensita' - Google Patents
Circuito di comando di sblocco in un impianto oscuratore di una lampada a scarica gassosa ad alta intensita'Info
- Publication number
- IT7949747A0 IT7949747A0 IT7949747A IT4974779A IT7949747A0 IT 7949747 A0 IT7949747 A0 IT 7949747A0 IT 7949747 A IT7949747 A IT 7949747A IT 4974779 A IT4974779 A IT 4974779A IT 7949747 A0 IT7949747 A0 IT 7949747A0
- Authority
- IT
- Italy
- Prior art keywords
- control circuit
- discharge lamp
- high intensity
- release control
- gaseous discharge
- 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
- H05B41/3924—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)
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 |
|---|---|
| IT7949747A0 true IT7949747A0 (it) | 1979-07-13 |
| IT1117399B IT1117399B (it) | 1986-02-17 |
Family
ID=25459952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT49747/79A IT1117399B (it) | 1978-08-04 | 1979-07-13 | Circuito di comando di sblocco in un impianto oscuratore di una lampada a scarica gassosa ad alta intensita |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4181873A (it) |
| AU (1) | AU523567B2 (it) |
| BE (1) | BE878063A (it) |
| CA (1) | CA1108225A (it) |
| DE (1) | DE2930790A1 (it) |
| ES (1) | ES483075A0 (it) |
| FR (1) | FR2432818A1 (it) |
| GB (1) | GB2027294B (it) |
| IT (1) | IT1117399B (it) |
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 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2052207A5 (it) * | 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 |
| 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/en 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/ES483075A0/es active Granted
- 1979-08-03 BE BE0/196588A patent/BE878063A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2432818B1 (it) | 1983-10-14 |
| CA1108225A (en) | 1981-09-01 |
| FR2432818A1 (fr) | 1980-02-29 |
| IT1117399B (it) | 1986-02-17 |
| AU523567B2 (en) | 1982-08-05 |
| GB2027294B (en) | 1982-10-20 |
| BE878063A (fr) | 1979-12-03 |
| GB2027294A (en) | 1980-02-13 |
| US4181873A (en) | 1980-01-01 |
| AU4906379A (en) | 1980-02-07 |
| DE2930790A1 (de) | 1980-02-14 |
| ES8102763A1 (es) | 1980-09-01 |
| ES483075A0 (es) | 1980-09-01 |
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