IT983942B - Sistema per l alimentazione rego labile di una lampada elettrica - Google Patents
Sistema per l alimentazione rego labile di una lampada elettricaInfo
- Publication number
- IT983942B IT983942B IT23124/73A IT2312473A IT983942B IT 983942 B IT983942 B IT 983942B IT 23124/73 A IT23124/73 A IT 23124/73A IT 2312473 A IT2312473 A IT 2312473A IT 983942 B IT983942 B IT 983942B
- Authority
- IT
- Italy
- Prior art keywords
- rego
- labile
- power supply
- electric lamp
- lamp
- 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
-
- 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
- G05F1/45—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 controlled rectifiers in series with the load
- G05F1/455—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 controlled rectifiers in series with the load with phase control
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
- H02M1/088—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
- H02M1/092—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices the control signals being transmitted optically
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
- H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
- H02M5/22—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M5/25—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
- H02M5/257—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
- H02M5/2573—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with control circuit
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)
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7205293A NL7205293A (xx) | 1972-04-20 | 1972-04-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT983942B true IT983942B (it) | 1974-11-11 |
Family
ID=19815883
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT23124/73A IT983942B (it) | 1972-04-20 | 1973-04-17 | Sistema per l alimentazione rego labile di una lampada elettrica |
Country Status (9)
Country | Link |
---|---|
US (1) | US3845350A (xx) |
JP (1) | JPS4917070A (xx) |
BE (1) | BE798428A (xx) |
CH (1) | CH561499A5 (xx) |
DE (1) | DE2318444A1 (xx) |
ES (1) | ES413892A1 (xx) |
FR (1) | FR2180963B3 (xx) |
IT (1) | IT983942B (xx) |
NL (1) | NL7205293A (xx) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5469028A (en) * | 1978-03-20 | 1995-11-21 | Nilssen; Ole K. | Electronic ballast drawing sinusoidal line current |
FR2425165B1 (fr) * | 1978-05-03 | 1981-12-04 | Renault | Circuit d'adaptation automatique au " cos ph " machine d'un dephaseur de variation de puissance |
US4197485A (en) * | 1978-07-24 | 1980-04-08 | Esquire, Inc. | Optocoupler dimmer circuit for high intensity, gaseous discharge lamp |
GB2062372B (en) * | 1979-10-20 | 1984-05-10 | Plessey Co Ltd | Thyristor control circuits |
US4287455A (en) * | 1979-12-18 | 1981-09-01 | Erin Engineering (Ontario) Ltd. | Power saving circuit for gaseous discharge lamps |
AU8929682A (en) * | 1982-01-11 | 1983-07-21 | Cornell-Dubilier Electronics Inc. | Magnetic ballast with thyristor control |
FR2527398A1 (fr) * | 1982-05-18 | 1983-11-25 | Gen Electric | Procede et dispositif de commande du niveau de sortie d'une charge a niveau de sortie variable |
JPS5978495A (ja) * | 1982-10-27 | 1984-05-07 | オリンパス光学工業株式会社 | 内視鏡用光源ランプ点灯回路 |
DE3524266A1 (de) * | 1985-07-06 | 1987-01-08 | Philips Patentverwaltung | Schaltungsanordnung zum betrieb von hochdruckgasentladungslampen |
US4628230A (en) * | 1985-08-05 | 1986-12-09 | Mole-Richardson Company | Regulated light dimmer control |
GB8520105D0 (en) * | 1985-08-09 | 1985-09-18 | Parker Graphics Ltd | Electric control circuit |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3459943A (en) * | 1967-02-06 | 1969-08-05 | Gen Electric | Silicon controlled rectifier gating circuits with a high frequency triggering voltage and photocells |
US3733528A (en) * | 1971-08-02 | 1973-05-15 | Hunt Electronics Co | Dimmer unit for a lighting control system |
US3766409A (en) * | 1971-08-04 | 1973-10-16 | Westinghouse Electric Corp | Ac power control apparatus with improved switch driver means |
-
1972
- 1972-04-20 NL NL7205293A patent/NL7205293A/xx unknown
-
1973
- 1973-04-04 US US00347925A patent/US3845350A/en not_active Expired - Lifetime
- 1973-04-12 DE DE2318444A patent/DE2318444A1/de active Pending
- 1973-04-17 CH CH550373A patent/CH561499A5/xx not_active IP Right Cessation
- 1973-04-17 IT IT23124/73A patent/IT983942B/it active
- 1973-04-18 JP JP48043261A patent/JPS4917070A/ja active Pending
- 1973-04-18 ES ES413892A patent/ES413892A1/es not_active Expired
- 1973-04-18 FR FR7314172A patent/FR2180963B3/fr not_active Expired
- 1973-04-18 BE BE130191A patent/BE798428A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
JPS4917070A (xx) | 1974-02-15 |
FR2180963B3 (xx) | 1976-04-09 |
BE798428A (fr) | 1973-10-18 |
US3845350A (en) | 1974-10-29 |
DE2318444A1 (de) | 1973-10-31 |
FR2180963A1 (xx) | 1973-11-30 |
NL7205293A (xx) | 1973-10-23 |
ES413892A1 (es) | 1976-01-16 |
CH561499A5 (xx) | 1975-04-30 |
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