DE3071368D1 - Power supply systems for hazardous locations - Google Patents
Power supply systems for hazardous locationsInfo
- Publication number
- DE3071368D1 DE3071368D1 DE8080303483T DE3071368T DE3071368D1 DE 3071368 D1 DE3071368 D1 DE 3071368D1 DE 8080303483 T DE8080303483 T DE 8080303483T DE 3071368 T DE3071368 T DE 3071368T DE 3071368 D1 DE3071368 D1 DE 3071368D1
- Authority
- DE
- Germany
- Prior art keywords
- power supply
- lamps
- windings
- transformers
- transformer
- 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
-
- 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
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
- H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
- H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7934722A GB2061034B (en) | 1979-10-05 | 1979-10-05 | Power supply systems |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3071368D1 true DE3071368D1 (en) | 1986-03-06 |
Family
ID=10508329
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8080303483T Expired DE3071368D1 (en) | 1979-10-05 | 1980-10-02 | Power supply systems for hazardous locations |
Country Status (5)
Country | Link |
---|---|
US (1) | US4293799A (de) |
EP (1) | EP0027039B1 (de) |
AT (1) | ATE17626T1 (de) |
DE (1) | DE3071368D1 (de) |
GB (1) | GB2061034B (de) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5262700A (en) * | 1982-02-08 | 1993-11-16 | Nilssen Ole K | Fluorescent lighting means |
US5047696A (en) * | 1982-12-16 | 1991-09-10 | Nilssen Ole K | Power-limited ceiling lighting system |
EP0113855A1 (de) * | 1982-12-16 | 1984-07-25 | NILSSEN, Ole Kristian | Leistungsbegrenztes Deckenbeleuchtungssystem für Leuchtstofflampen |
NL8205026A (nl) * | 1982-12-29 | 1984-07-16 | Philips Nv | Inrichting voorzien van een met tenminste twee inwendige elektroden uitgeruste metaaldampontladingsbuis. |
US4667133A (en) * | 1983-12-12 | 1987-05-19 | Nilssen Ole K | Power-limited lighting system |
US4626747A (en) * | 1984-01-09 | 1986-12-02 | Nilssen Ole K | Class-3 lighting system |
US4682079A (en) * | 1984-10-04 | 1987-07-21 | Hallmark Cards, Inc. | Light string ornament circuitry |
US4970438A (en) * | 1985-05-28 | 1990-11-13 | Nilssen Ole K | Electronic fluorescent lamp ballasting system |
US4999547A (en) * | 1986-09-25 | 1991-03-12 | Innovative Controls, Incorporated | Ballast for high pressure sodium lamps having constant line and lamp wattage |
US4798998A (en) * | 1986-12-15 | 1989-01-17 | Armstrong World Industries, Inc. | Electronically dimmed power limited lighting system |
US4754201A (en) * | 1987-02-26 | 1988-06-28 | General Electric Company | Magnetic low load factor series ballast circuit |
US5003227A (en) * | 1988-08-15 | 1991-03-26 | Nilssen Ole K | Power distribution for lighting systems |
US5021717A (en) * | 1989-10-02 | 1991-06-04 | Nilssen Ole K | Operating system for multiple fluorescent lamps |
US5266869A (en) * | 1990-09-27 | 1993-11-30 | Tokyo Electric Co., Ltd. | Discharge lamp lighting apparatus having output impedance which limits current flow therethrough after start of discharging |
US5485057A (en) * | 1993-09-02 | 1996-01-16 | Smallwood; Robert C. | Gas discharge lamp and power distribution system therefor |
CA2146619C (en) * | 1994-04-14 | 2005-02-08 | Kevin M. Huczko | Intrinsically safe power source |
US6232726B1 (en) | 1999-12-28 | 2001-05-15 | Philips Electronics North America Corporation | Ballast scheme for operating multiple lamps |
US6459215B1 (en) * | 2000-08-11 | 2002-10-01 | General Electric Company | Integral lamp |
US6555974B1 (en) | 2000-11-21 | 2003-04-29 | General Electric Company | Wiring geometry for multiple integral lamps |
JP2002246191A (ja) * | 2001-02-14 | 2002-08-30 | Koito Mfg Co Ltd | 放電灯点灯回路 |
US6443769B1 (en) | 2001-02-15 | 2002-09-03 | General Electric Company | Lamp electronic end cap for integral lamp |
US6486618B1 (en) * | 2001-09-28 | 2002-11-26 | Koninklijke Philips Electronics N.V. | Adaptable inverter |
AU2003207358A1 (en) * | 2002-03-22 | 2003-10-08 | Gdrc Limited | Lighting system |
US7038400B2 (en) * | 2004-03-12 | 2006-05-02 | Juno Manufacturing, Inc. | Constant current Class 3 lighting system |
US7701151B2 (en) * | 2007-10-19 | 2010-04-20 | American Sterilizer Company | Lighting control system having temperature compensation and trim circuits |
US8610368B2 (en) | 2009-12-21 | 2013-12-17 | Top Victory Investments Ltd. | Serial-type light-emitting diode (LED) device |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2066549A (en) * | 1931-09-19 | 1937-01-05 | Ferdinand Proksch | Light sign device |
US2011929A (en) * | 1931-11-06 | 1935-08-20 | Cramp William | Electric supply for lamps in coal mines and like places |
CH165988A (de) * | 1931-12-01 | 1933-12-15 | Philips Nv | Beleuchtungsanlage. |
CH111037A (de) * | 1937-10-11 | 1925-07-16 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Einrichtung zum Betriebe elektrischer Gas- oder Dampflampen mit hochfrequenten Strömen. |
US2292064A (en) * | 1939-04-17 | 1942-08-04 | Gen Electric | Alternating current lighting system |
US2610310A (en) * | 1948-06-02 | 1952-09-09 | Alfred M Miles | Fluorescent street lighting system |
US2683241A (en) * | 1951-02-23 | 1954-07-06 | Thorn Electric Ind Ltd | Electric lamp circuits |
DE1794725U (de) * | 1958-12-03 | 1959-09-03 | Standard Elektrik Lorenz Ag | Schlagwettersicherer uebertrager zur verbindung schlagwettergeschuetzter und eigensicherer stromkreise. |
CA939001A (en) * | 1971-07-02 | 1973-12-25 | Westinghouse Canada Limited | Lighting control system |
GB1401628A (en) * | 1971-11-18 | 1975-07-16 | Victor Products Ltd | Electric power supply systems |
JPS52119127A (en) * | 1976-03-30 | 1977-10-06 | Zuiia Asoshieiteizu Inc | Device for operating gas discharge lamp |
-
1979
- 1979-10-05 GB GB7934722A patent/GB2061034B/en not_active Expired
- 1979-11-19 US US06/095,384 patent/US4293799A/en not_active Expired - Lifetime
-
1980
- 1980-10-02 EP EP80303483A patent/EP0027039B1/de not_active Expired
- 1980-10-02 DE DE8080303483T patent/DE3071368D1/de not_active Expired
- 1980-10-02 AT AT80303483T patent/ATE17626T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0027039A3 (en) | 1981-12-16 |
ATE17626T1 (de) | 1986-02-15 |
US4293799A (en) | 1981-10-06 |
EP0027039B1 (de) | 1986-01-22 |
GB2061034A (en) | 1981-05-07 |
GB2061034B (en) | 1983-02-16 |
EP0027039A2 (de) | 1981-04-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |