EP0427042A3 - System for operating a portable lamp - Google Patents

System for operating a portable lamp Download PDF

Info

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
Application number
EP19900120310
Other languages
German (de)
Other versions
EP0427042B1 (en
EP0427042A2 (en
Inventor
Siegfried Ormanns
Rainald Greve
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RAG AG
Original Assignee
Ruhrkohle AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ruhrkohle AG filed Critical Ruhrkohle AG
Publication of EP0427042A2 publication Critical patent/EP0427042A2/en
Publication of EP0427042A3 publication Critical patent/EP0427042A3/en
Application granted granted Critical
Publication of EP0427042B1 publication Critical patent/EP0427042B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
EP90120310A 1989-11-04 1990-10-23 System for operating a portable lamp Expired - Lifetime EP0427042B1 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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
DE3936809C1 (en) 1991-02-21
CA2028886A1 (en) 1991-05-05
EP0427042A2 (en) 1991-05-15
AU636922B2 (en) 1993-05-13
DE59008078D1 (en) 1995-02-02
ES2067619T3 (en) 1995-04-01
AU6567690A (en) 1991-05-09
US5107180A (en) 1992-04-21

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