EP0427042A3 - System for operating a portable lamp - Google Patents
System for operating a portable lamp Download PDFInfo
- Publication number
- EP0427042A3 EP0427042A3 EP19900120310 EP90120310A EP0427042A3 EP 0427042 A3 EP0427042 A3 EP 0427042A3 EP 19900120310 EP19900120310 EP 19900120310 EP 90120310 A EP90120310 A EP 90120310A EP 0427042 A3 EP0427042 A3 EP 0427042A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- operating
- portable lamp
- portable
- lamp
- 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.)
- Granted
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
- H05B41/16—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies
- H05B41/20—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch
- H05B41/23—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode
- H05B41/232—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode for low-pressure lamps
- H05B41/2325—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode for low-pressure lamps provided with pre-heating electrodes
-
- 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
-
- 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
- H05B41/382—Controlling the intensity of light during the transitional start-up phase
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3936809A DE3936809C1 (en) | 1989-11-04 | 1989-11-04 | |
DE3936809 | 1989-11-04 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0427042A2 EP0427042A2 (en) | 1991-05-15 |
EP0427042A3 true EP0427042A3 (en) | 1992-05-27 |
EP0427042B1 EP0427042B1 (en) | 1994-12-21 |
Family
ID=6392907
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90120310A Expired - Lifetime EP0427042B1 (en) | 1989-11-04 | 1990-10-23 | System for operating a portable lamp |
Country Status (6)
Country | Link |
---|---|
US (1) | US5107180A (en) |
EP (1) | EP0427042B1 (en) |
AU (1) | AU636922B2 (en) |
CA (1) | CA2028886A1 (en) |
DE (2) | DE3936809C1 (en) |
ES (1) | ES2067619T3 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5214353A (en) * | 1989-09-22 | 1993-05-25 | Nilssen Ole K | Flashlight with boost feature |
US6316911B1 (en) | 1997-08-08 | 2001-11-13 | Black & Decker Inc. | Battery and flashlight recharger |
DE10338070A1 (en) | 2003-08-19 | 2005-03-17 | Henkel Kgaa | Agent on substrate surfaces |
CN100381748C (en) * | 2004-02-09 | 2008-04-16 | 山西光宇电源有限公司 | Semiconductor mining cap lamp having a charging-discharging control and protection system |
US7400095B2 (en) * | 2005-11-16 | 2008-07-15 | Ellenberger & Poensgen Gmbh | Portable electric lighting fixture |
FR2991027A1 (en) * | 2012-05-25 | 2013-11-29 | Zedel | PORTABLE ELECTRIC LAMP WITH CURRENT LIMITATION DEVICE |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3869640A (en) * | 1973-07-09 | 1975-03-04 | Taras Avenir Kolomyjec | Power supply arrangement for fluorescent tubes, thermionic devices and the like |
US3953768A (en) * | 1970-12-23 | 1976-04-27 | Meredith Ronald D | Portable fluorescent lamp and inverter therefor |
EP0055995A1 (en) * | 1981-01-07 | 1982-07-14 | Philips Patentverwaltung GmbH | Low-pressure discharge lamp starting and operating circuit using a DC source |
EP0314031A2 (en) * | 1987-10-29 | 1989-05-03 | ABB CEAG Licht- und Stromversorgungstechnik GmbH | Lighting fixture with a transparent cover and a body connected to the cover |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE633793C (en) * | 1936-08-06 | Dominitwerke Akt Ges Grubenlam | Electric hand lamp, especially mine safety lamp with a gas discharge tube serving as a light source | |
US4225906A (en) * | 1978-03-16 | 1980-09-30 | Koehler Manufacturing Company | Luminaire apparatus with multiple light sources and methods of operating same |
US4399492A (en) * | 1980-12-08 | 1983-08-16 | Ocenco Incorporated | Incandescent and fluorescent caplight device |
-
1989
- 1989-11-04 DE DE3936809A patent/DE3936809C1/de not_active Expired - Lifetime
-
1990
- 1990-10-23 DE DE59008078T patent/DE59008078D1/en not_active Expired - Fee Related
- 1990-10-23 EP EP90120310A patent/EP0427042B1/en not_active Expired - Lifetime
- 1990-10-23 ES ES90120310T patent/ES2067619T3/en not_active Expired - Lifetime
- 1990-10-30 CA CA002028886A patent/CA2028886A1/en not_active Abandoned
- 1990-10-31 AU AU65676/90A patent/AU636922B2/en not_active Ceased
- 1990-11-01 US US07/607,904 patent/US5107180A/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3953768A (en) * | 1970-12-23 | 1976-04-27 | Meredith Ronald D | Portable fluorescent lamp and inverter therefor |
US3869640A (en) * | 1973-07-09 | 1975-03-04 | Taras Avenir Kolomyjec | Power supply arrangement for fluorescent tubes, thermionic devices and the like |
EP0055995A1 (en) * | 1981-01-07 | 1982-07-14 | Philips Patentverwaltung GmbH | Low-pressure discharge lamp starting and operating circuit using a DC source |
EP0314031A2 (en) * | 1987-10-29 | 1989-05-03 | ABB CEAG Licht- und Stromversorgungstechnik GmbH | Lighting fixture with a transparent cover and a body connected to the cover |
Also Published As
Publication number | Publication date |
---|---|
EP0427042B1 (en) | 1994-12-21 |
CA2028886A1 (en) | 1991-05-05 |
AU6567690A (en) | 1991-05-09 |
EP0427042A2 (en) | 1991-05-15 |
DE3936809C1 (en) | 1991-02-21 |
AU636922B2 (en) | 1993-05-13 |
DE59008078D1 (en) | 1995-02-02 |
ES2067619T3 (en) | 1995-04-01 |
US5107180A (en) | 1992-04-21 |
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Legal Events
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