CA1029793A - Gradateur regule pour lampes a incandescence - Google Patents
Gradateur regule pour lampes a incandescenceInfo
- Publication number
- CA1029793A CA1029793A CA198,435A CA198435A CA1029793A CA 1029793 A CA1029793 A CA 1029793A CA 198435 A CA198435 A CA 198435A CA 1029793 A CA1029793 A CA 1029793A
- Authority
- CA
- Canada
- Prior art keywords
- dimmer
- regulated
- incandescent lamps
- incandescent
- lamps
- 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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is ac
- G05F1/40—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices
- G05F1/44—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices semiconductor devices only
- G05F1/445—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices semiconductor devices only being transistors in series with the load
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/66—Regulating electric power
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00370134A US3821601A (en) | 1973-06-13 | 1973-06-13 | Regulated dimmer for incandescent lamps |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1029793A true CA1029793A (fr) | 1978-04-18 |
Family
ID=23458368
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA198,435A Expired CA1029793A (fr) | 1973-06-13 | 1974-04-23 | Gradateur regule pour lampes a incandescence |
Country Status (2)
Country | Link |
---|---|
US (1) | US3821601A (fr) |
CA (1) | CA1029793A (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3875460A (en) * | 1974-06-10 | 1975-04-01 | Westinghouse Electric Corp | Synthesis of dimmer output waveform within the dimmer logic circuit |
US4156166A (en) * | 1976-08-18 | 1979-05-22 | Royal Industries, Inc. | Method and apparatus for saving energy |
US4219761A (en) * | 1978-10-31 | 1980-08-26 | Esquire, Inc. | Incandescent lamp dimmer providing control voltage IES square law compliance correction |
US4477748A (en) * | 1980-10-07 | 1984-10-16 | Thomas Industries, Inc. | Solid state ballast |
US4723098A (en) * | 1980-10-07 | 1988-02-02 | Thomas Industries, Inc. | Electronic ballast circuit for fluorescent lamps |
US4507569A (en) * | 1983-12-30 | 1985-03-26 | Conservolite, Inc. | Electrical control system and driver |
US5225765A (en) * | 1984-08-15 | 1993-07-06 | Michael Callahan | Inductorless controlled transition and other light dimmers |
US5319301A (en) * | 1984-08-15 | 1994-06-07 | Michael Callahan | Inductorless controlled transition and other light dimmers |
US5629607A (en) * | 1984-08-15 | 1997-05-13 | Callahan; Michael | Initializing controlled transition light dimmers |
US4873471A (en) * | 1986-03-28 | 1989-10-10 | Thomas Industries Inc. | High frequency ballast for gaseous discharge lamps |
US4893063A (en) * | 1987-10-06 | 1990-01-09 | Joseph Pernyeszi | Apparatus for improving the efficiency of a lighting element |
US5004957A (en) * | 1989-01-06 | 1991-04-02 | Lee Colortran, Inc. | Dimming control circuit |
JP3999570B2 (ja) * | 2002-05-29 | 2007-10-31 | 株式会社住田光学ガラス | フィラメントランプ光量制御方法及びフィラメントランプ光量制御装置並びにフィラメントランプ光源装置 |
US7122975B2 (en) * | 2004-09-30 | 2006-10-17 | Sumita Optical Glass, Inc. | Filament lamp light quantity control method and filament lamp light quantity control unit and filament lamp light source unit |
US20060066260A1 (en) * | 2004-09-30 | 2006-03-30 | Fumio Maruyama | Filament lamp light quantity control method and filament lamp light quantity control unit and filament lamp light source unit |
-
1973
- 1973-06-13 US US00370134A patent/US3821601A/en not_active Expired - Lifetime
-
1974
- 1974-04-23 CA CA198,435A patent/CA1029793A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3821601A (en) | 1974-06-28 |
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