EP0449639A3 - Biasing system for reducing ion loss in lamps - Google Patents

Biasing system for reducing ion loss in lamps Download PDF

Info

Publication number
EP0449639A3
EP0449639A3 EP19910302776 EP91302776A EP0449639A3 EP 0449639 A3 EP0449639 A3 EP 0449639A3 EP 19910302776 EP19910302776 EP 19910302776 EP 91302776 A EP91302776 A EP 91302776A EP 0449639 A3 EP0449639 A3 EP 0449639A3
Authority
EP
European Patent Office
Prior art keywords
lamps
biasing system
ion loss
reducing ion
reducing
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
EP19910302776
Other versions
EP0449639A2 (en
EP0449639B1 (en
Inventor
Joe Allen Nuckolls
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.)
Hubbell Inc
Original Assignee
Hubbell Inc
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 Hubbell Inc filed Critical Hubbell Inc
Publication of EP0449639A2 publication Critical patent/EP0449639A2/en
Publication of EP0449639A3 publication Critical patent/EP0449639A3/en
Application granted granted Critical
Publication of EP0449639B1 publication Critical patent/EP0449639B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/10—Shields, screens, or guides for influencing the discharge
    • 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
    • H05B41/18—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 a starting switch
    • H05B41/19—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 a starting switch for lamps having an auxiliary starting electrode
EP91302776A 1990-03-29 1991-03-28 Biasing system for reducing ion loss in lamps Expired - Lifetime EP0449639B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US50088690A 1990-03-29 1990-03-29
US500886 1990-03-29

Publications (3)

Publication Number Publication Date
EP0449639A2 EP0449639A2 (en) 1991-10-02
EP0449639A3 true EP0449639A3 (en) 1992-05-06
EP0449639B1 EP0449639B1 (en) 1996-11-13

Family

ID=23991348

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91302776A Expired - Lifetime EP0449639B1 (en) 1990-03-29 1991-03-28 Biasing system for reducing ion loss in lamps

Country Status (4)

Country Link
EP (1) EP0449639B1 (en)
JP (1) JP2978268B2 (en)
CA (1) CA2037886A1 (en)
DE (1) DE69123071D1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4224996A1 (en) * 1992-07-29 1994-02-03 Hella Kg Hueck & Co Ballast for operating high-pressure gas discharge lamps with low-frequency, rectangular voltage in motor vehicles
JP2875129B2 (en) * 1993-01-05 1999-03-24 三菱電機株式会社 Vehicle discharge lamp lighting device
FR2705434B1 (en) * 1993-05-18 1995-08-11 Valeo Vision Discharge lamp projector and polarized reflector.
US5955846A (en) * 1995-03-15 1999-09-21 Matsushita Electric Industrial Co., Ltd. Discharge lamp lighting device and a method for lighting a discharge lamp
US7950836B2 (en) * 2008-05-09 2011-05-31 Osram Sylvania Inc. EMI controlled integral HID reflector lamp

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE853186C (en) * 1950-09-26 1952-10-23 Siemens Ag Device for suppressing interference from preferably alternating current fed and elongated fluorescent tubes
FR1413359A (en) * 1964-10-22 1965-10-08 Ass Elect Ind Improvements in the construction of fluorescent lamps
GB1227810A (en) * 1968-10-11 1971-04-07
GB2162683A (en) * 1984-07-30 1986-02-05 Tungsram Reszvenytarsasag High pressure sodium vapour lamp
US4763044A (en) * 1986-01-23 1988-08-09 Hubbell Incorporated Start, hot restart and operating lamp circuit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54132368A (en) * 1978-04-04 1979-10-15 Mitsubishi Electric Corp Fluorescent lamp device
US4281274A (en) * 1979-08-01 1981-07-28 General Electric Co. Discharge lamp having vitreous shield
JPH01225098A (en) * 1988-03-04 1989-09-07 Toshiba Corp Discharge lamp lighting system, magnetic field generating source layout and discharge lamp device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE853186C (en) * 1950-09-26 1952-10-23 Siemens Ag Device for suppressing interference from preferably alternating current fed and elongated fluorescent tubes
FR1413359A (en) * 1964-10-22 1965-10-08 Ass Elect Ind Improvements in the construction of fluorescent lamps
GB1227810A (en) * 1968-10-11 1971-04-07
GB2162683A (en) * 1984-07-30 1986-02-05 Tungsram Reszvenytarsasag High pressure sodium vapour lamp
US4763044A (en) * 1986-01-23 1988-08-09 Hubbell Incorporated Start, hot restart and operating lamp circuit

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 13, no. 544 (E-855)6 December 1989 & JP-A-1 225 098 ( TOSHIBA CORP ) 7 September 1989 *
PATENT ABSTRACTS OF JAPAN vol. 3, no. 154 (M-85)18 December 1979 & JP-A-54 132 368 ( MITSUBISHI DENKI K.K. ) 15 October 1979 *

Also Published As

Publication number Publication date
JPH04223095A (en) 1992-08-12
JP2978268B2 (en) 1999-11-15
DE69123071D1 (en) 1996-12-19
EP0449639A2 (en) 1991-10-02
EP0449639B1 (en) 1996-11-13
CA2037886A1 (en) 1991-09-30

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