BR7700316A - Processo de aperfeicoamento de cor de lampadas a vapor de sodio de alta pressao por operacao pulsada e lampada combinada produzida - Google Patents

Processo de aperfeicoamento de cor de lampadas a vapor de sodio de alta pressao por operacao pulsada e lampada combinada produzida

Info

Publication number
BR7700316A
BR7700316A BR7700316A BR7700316A BR7700316A BR 7700316 A BR7700316 A BR 7700316A BR 7700316 A BR7700316 A BR 7700316A BR 7700316 A BR7700316 A BR 7700316A BR 7700316 A BR7700316 A BR 7700316A
Authority
BR
Brazil
Prior art keywords
high pressure
pressure sodium
pulsed operation
combined lamp
color
Prior art date
Application number
BR7700316A
Other languages
English (en)
Inventor
M Osteen
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of BR7700316A publication Critical patent/BR7700316A/pt

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
BR7700316A 1976-01-16 1977-01-17 Processo de aperfeicoamento de cor de lampadas a vapor de sodio de alta pressao por operacao pulsada e lampada combinada produzida BR7700316A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US64990076A 1976-01-16 1976-01-16

Publications (1)

Publication Number Publication Date
BR7700316A true BR7700316A (pt) 1977-09-20

Family

ID=24606691

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7700316A BR7700316A (pt) 1976-01-16 1977-01-17 Processo de aperfeicoamento de cor de lampadas a vapor de sodio de alta pressao por operacao pulsada e lampada combinada produzida

Country Status (11)

Country Link
US (1) US4137484A (pt)
JP (2) JPS5298370A (pt)
BE (1) BE850386A (pt)
BR (1) BR7700316A (pt)
DE (1) DE2657824C2 (pt)
ES (2) ES455091A1 (pt)
FR (1) FR2338620A1 (pt)
GB (1) GB1575831A (pt)
MX (1) MX143878A (pt)
NL (1) NL7700200A (pt)
SU (1) SU679173A3 (pt)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3641070A1 (de) * 1986-12-02 1988-06-16 Philips Patentverwaltung Schaltungsanordnung zum betrieb von hochdruck-gasentladungslampen mittels eines impulsfoermigen versorgungsstromes
US4839565A (en) * 1987-04-03 1989-06-13 General Electric Company High pressure double wall sodium arc tube and methods of operating such
US4884009A (en) * 1987-12-18 1989-11-28 Gte Products Corporation Color selectable source for pulsed arc discharge lamps
US4928038A (en) * 1988-09-26 1990-05-22 General Electric Company Power control circuit for discharge lamp and method of operating same
US4999546A (en) * 1989-01-30 1991-03-12 Kabushiki Kaisha Denkosha Starting device for discharge tube
US4961020A (en) * 1989-03-03 1990-10-02 General Electric Company Sodium vapor lamp for sonic pulse operation
DE3941799A1 (de) * 1989-05-19 1990-11-22 Sautter Kg Lichtquelle und verfahren zu deren steuerung
DD293021A5 (de) * 1990-03-16 1991-08-14 Komb. Veb Narva "Rosa Luxemburg",De Verfahren zum impulsbetrieb von hochdruckentladungslampen
EP0462780A1 (en) * 1990-06-18 1991-12-27 General Electric Company Shield for high pressure discharge lamps
DE4039186A1 (de) * 1990-12-05 1992-06-11 Narva Gluehlampen Schaltungsanordnung zum impulsbetrieb von hochdruckentladungslampen
US5262701A (en) * 1991-03-15 1993-11-16 U.S. Philips Corporation Circuit arrangement for operating a high pressure sodium lamp
US5357173A (en) * 1992-11-05 1994-10-18 General Electric Company Ballast circuit arrangement for a high pressure sodium lamp
GB9408386D0 (en) * 1994-04-28 1994-06-22 Flowil Int Lighting Discharge lamp for enhancing photosynthesis
US5592052A (en) * 1995-06-13 1997-01-07 Matsushita Electric Works R&D Laboratory Variable color temperature fluorescent lamp
US5637965A (en) * 1995-10-18 1997-06-10 Matsushita Electric Works R&D Laboratory, Inc. Low pressure sodium-mercury lamp yielding substantially white light
US5684367A (en) 1996-01-16 1997-11-04 Osram Sylvania Inc. Color control and arc stabilization for high-intensity, discharge lamps
JP2001006611A (ja) * 1999-06-14 2001-01-12 Matsushita Electric Works Ltd 高輝度放電ランプ
US6184633B1 (en) * 1999-06-17 2001-02-06 Philips Electronics North America Corporation Reduction of vertical segregation in a discharge lamp
US6680582B1 (en) * 2000-10-06 2004-01-20 Koninklijke Philips Electronics N.V. System and method for employing pulse width modulation for reducing vertical segregation in a gas discharge lamp
AU2003268762A1 (en) * 2002-10-10 2004-05-04 Matsushita Electric Industrial Co., Ltd. Ceramic metal halide lamp
US7372210B2 (en) * 2003-10-01 2008-05-13 Snap-On Incorporated Method and apparatus for lamp heat control
EP1747703B1 (en) * 2004-05-10 2009-07-01 Philips Intellectual Property & Standards GmbH Method and circuit arrangement for the operation of a discharge lamp

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR824740A (fr) * 1936-07-30 1938-02-15 Ver Gluehlampen & Elek Ag Procédé et dispositif pour l'éclairage avec des lampes à arc à vapeur métallique à haute pression
US2938149A (en) * 1957-05-02 1960-05-24 Gen Electric Pulse circuit for arc lamp
US3248590A (en) * 1963-03-01 1966-04-26 Gen Electric High pressure sodium vapor lamp
US3521108A (en) * 1968-07-17 1970-07-21 Gen Electric Metallic vapor arc-lamp having high intensity sun-like emission
US3624447A (en) * 1969-06-25 1971-11-30 Westinghouse Electric Corp Method of operating a high-pressure gaseous discharge lamp with improved efficiency
GB1280735A (en) * 1969-08-29 1972-07-05 Matsushita Electronics Corp High pressure metal-vapour discharge tube
US3707649A (en) * 1970-07-20 1972-12-26 Denver Research Inst Intermittent arc illumination source
US3898504A (en) * 1970-12-09 1975-08-05 Matsushita Electronics Corp High pressure metal vapor discharge lamp
US3914649A (en) * 1974-05-06 1975-10-21 Xerox Corp Pulsed metal or metal halide lamps for photocopying applications
US4052636A (en) * 1976-08-02 1977-10-04 General Electric Company High pressure sodium vapor lamp stabilized for pulse operation

Also Published As

Publication number Publication date
JPH0211998B2 (pt) 1990-03-16
MX143878A (es) 1981-07-29
ES455091A1 (es) 1977-12-16
DE2657824A1 (de) 1977-07-21
US4137484A (en) 1979-01-30
JPS5298370A (en) 1977-08-18
SU679173A3 (ru) 1979-08-05
GB1575831A (en) 1980-10-01
BE850386A (fr) 1977-07-14
FR2338620A1 (fr) 1977-08-12
FR2338620B1 (pt) 1981-07-03
ES455092A1 (es) 1978-04-16
NL7700200A (nl) 1977-07-19
DE2657824C2 (de) 1983-08-04
AU2053276A (en) 1978-04-20
JPS62295396A (ja) 1987-12-22
JPS6137760B2 (pt) 1986-08-26

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