JPS55500308A - - Google Patents
Info
- Publication number
- JPS55500308A JPS55500308A JP50034879A JP50034879A JPS55500308A JP S55500308 A JPS55500308 A JP S55500308A JP 50034879 A JP50034879 A JP 50034879A JP 50034879 A JP50034879 A JP 50034879A JP S55500308 A JPS55500308 A JP S55500308A
- Authority
- JP
- Japan
- 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.)
- Pending
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
- G05F1/42—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 discharge tubes only
-
- 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)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
- Television Receiver Circuits (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH148878A CH627899A5 (en) | 1978-02-11 | 1978-02-11 | Electronic device for brightness control of a mercury-vapour lamp |
| CH367978A CH628766A5 (en) | 1978-04-06 | 1978-04-06 | Electronic device for brightness control of a sodium-vapour high-pressure lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS55500308A true JPS55500308A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-05-29 |
Family
ID=25687801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50034879A Pending JPS55500308A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-02-11 | 1979-01-29 |
Country Status (9)
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2476410A1 (fr) * | 1979-12-19 | 1981-08-21 | Elam Ltd | Circuit d'alimentation notamment d'une lampe a decharge |
| AU8929682A (en) * | 1982-01-11 | 1983-07-21 | Cornell-Dubilier Electronics Inc. | Magnetic ballast with thyristor control |
| US4437043A (en) | 1982-11-22 | 1984-03-13 | Cornell-Dubilier Electric Corporation | Lighting control for high intensity discharge lamp |
| EP0139641A1 (en) * | 1983-04-04 | 1985-05-08 | MOSTELLER, Lawson Paul Jr. | Device for automatic control of power to an electrical load and circuits therefor |
| DE3408426A1 (de) * | 1984-03-08 | 1985-09-12 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Schaltungsanordnung zum wechselstrombetrieb von hochdruck-gasentladungslampen |
| US5043635A (en) * | 1989-12-12 | 1991-08-27 | Talbott Edwin M | Apparatus for controlling power to a load such as a fluorescent light |
| DE69106890T2 (de) * | 1990-12-03 | 1995-06-08 | Allied Signal Inc | Steuerungsschaltung mit weitem einstellungsbereich für eine gasentladungslampe. |
| FI96472C (fi) * | 1994-08-09 | 1996-06-25 | Ahlstroem Oy | Menetelmä valonhimmentimen toiminnan säätämiseksi ja valonhimmennin |
| US5850127A (en) * | 1996-05-10 | 1998-12-15 | Philips Electronics North America Corporation | EBL having a feedback circuit and a method for ensuring low temperature lamp operation at low dimming levels |
| GB2319406A (en) * | 1996-11-12 | 1998-05-20 | Uvp Inc | Dimming a medium pressure arc lamp; UV lamp standby mode |
| WO2006100661A1 (en) * | 2005-03-22 | 2006-09-28 | Lightech Electronic Industries Ltd. | Igniter circuit for an hid lamp |
| US9137865B2 (en) * | 2009-12-08 | 2015-09-15 | Koninklijke Philips N.V. | Driver for a solid state lamp |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5028752A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-07-13 | 1975-03-24 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3991344A (en) * | 1975-03-18 | 1976-11-09 | Westinghouse Electric Corporation | Solid-state dimmer for dual high pressure discharge lamps |
| US3989976A (en) * | 1975-10-07 | 1976-11-02 | Westinghouse Electric Corporation | Solid-state hid lamp dimmer |
-
1979
- 1979-01-24 EP EP79100202A patent/EP0003528B1/de not_active Expired
- 1979-01-24 DE DE7979100202T patent/DE2961104D1/de not_active Expired
- 1979-01-29 US US06/189,923 patent/US4320326A/en not_active Expired - Lifetime
- 1979-01-29 WO PCT/CH1979/000012 patent/WO1979000615A1/de unknown
- 1979-01-29 JP JP50034879A patent/JPS55500308A/ja active Pending
- 1979-02-06 FI FI790394A patent/FI790394A7/fi unknown
- 1979-02-09 CA CA321,193A patent/CA1112293A/en not_active Expired
- 1979-02-09 NO NO79790422A patent/NO790422L/no unknown
- 1979-10-10 DK DK427379A patent/DK427379A/da not_active Application Discontinuation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5028752A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-07-13 | 1975-03-24 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1979000615A1 (en) | 1979-09-06 |
| DE2961104D1 (en) | 1981-12-10 |
| NO790422L (no) | 1979-08-14 |
| FI790394A7 (fi) | 1979-08-12 |
| DK427379A (da) | 1979-10-10 |
| CA1112293A (en) | 1981-11-10 |
| EP0003528A1 (de) | 1979-08-22 |
| US4320326A (en) | 1982-03-16 |
| EP0003528B1 (de) | 1981-09-30 |