IT1102338B - Funzionamento ad alta frequenza di lampade miniatura a scarica in vapori metallici - Google Patents

Funzionamento ad alta frequenza di lampade miniatura a scarica in vapori metallici

Info

Publication number
IT1102338B
IT1102338B IT31043/78A IT3104378A IT1102338B IT 1102338 B IT1102338 B IT 1102338B IT 31043/78 A IT31043/78 A IT 31043/78A IT 3104378 A IT3104378 A IT 3104378A IT 1102338 B IT1102338 B IT 1102338B
Authority
IT
Italy
Prior art keywords
discharge lamps
frequency operation
metal vapors
miniature discharge
miniature
Prior art date
Application number
IT31043/78A
Other languages
English (en)
Other versions
IT7831043A0 (it
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 IT7831043A0 publication Critical patent/IT7831043A0/it
Application granted granted Critical
Publication of IT1102338B publication Critical patent/IT1102338B/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
    • H01J61/827—Metal halide arc lamps
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S315/00—Electric lamp and discharge devices: systems
    • Y10S315/07—Starting and control circuits for gas discharge lamp using transistors
IT31043/78A 1977-12-27 1978-12-20 Funzionamento ad alta frequenza di lampade miniatura a scarica in vapori metallici IT1102338B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/864,578 US4170746A (en) 1977-12-27 1977-12-27 High frequency operation of miniature metal vapor discharge lamps

Publications (2)

Publication Number Publication Date
IT7831043A0 IT7831043A0 (it) 1978-12-20
IT1102338B true IT1102338B (it) 1985-10-07

Family

ID=25343576

Family Applications (1)

Application Number Title Priority Date Filing Date
IT31043/78A IT1102338B (it) 1977-12-27 1978-12-20 Funzionamento ad alta frequenza di lampade miniatura a scarica in vapori metallici

Country Status (15)

Country Link
US (1) US4170746A (it)
JP (1) JPS5491971A (it)
AR (1) AR218941A1 (it)
AT (1) AT374651B (it)
BE (1) BE873007A (it)
BR (1) BR7807913A (it)
CA (1) CA1115766A (it)
DE (1) DE2847840C2 (it)
FR (1) FR2413845A1 (it)
GB (1) GB2013394B (it)
HU (1) HU182651B (it)
IT (1) IT1102338B (it)
MX (1) MX145681A (it)
NL (1) NL187552C (it)
PL (1) PL118219B1 (it)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4151445A (en) * 1978-02-15 1979-04-24 General Electric Company Instant light lamp control circuit
JPS5648095A (en) * 1979-09-27 1981-05-01 Toshiba Electric Equip Device for firing discharge lamp
JPS56134494A (en) * 1980-03-24 1981-10-21 Toshiba Electric Equip Device for firing discharge lamp
US4348615A (en) * 1980-07-01 1982-09-07 Gte Products Corporation Discharge lamp operating circuit
SE8005271L (sv) * 1980-07-18 1981-06-22 Aos Metall Mek Verk Sett och anordning for att eliminera obehag fororsakande flimmer vid betraktande av rontgenfilm i ljusskap
JPS5725697A (en) * 1980-07-23 1982-02-10 Toshiba Electric Equip Indoor illuminator
JPS6057674B2 (ja) * 1980-09-26 1985-12-16 東芝ライテック株式会社 放電灯点灯装置
US4705991A (en) * 1981-06-04 1987-11-10 U.S. Philips Corporation Method of operating a high-pressure metal vapor discharge lamp and circuit arrangement for carrying out this method
DE3122183C2 (de) * 1981-06-04 1983-09-22 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren zum Betrieb einer Hochdruck-Metalldampfentladungslampe und Schaltungsanordnung zur Ausübung dieses Verfahrens
US4438369A (en) 1981-07-10 1984-03-20 North American Philips Electric Corp. Unitary light source comprising compact HID lamp and incandescent ballast filament
US4392081A (en) * 1981-07-31 1983-07-05 General Electric Company Lighting unit
US4382210A (en) * 1981-12-18 1983-05-03 Gte Laboratories Incorporated Ballast circuit for direct current arc lamp
US4525650A (en) * 1982-02-11 1985-06-25 North American Philips Lighting Corporation Starting and operating method and apparatus for discharge lamps
NL8205026A (nl) * 1982-12-29 1984-07-16 Philips Nv Inrichting voorzien van een met tenminste twee inwendige elektroden uitgeruste metaaldampontladingsbuis.
CA1255746A (en) * 1983-06-09 1989-06-13 George J. English Single-ended metal halide discharge lamps and process of manufacture
EP0128551A1 (en) * 1983-06-09 1984-12-19 GTE Products Corporation Single ended metal halide discharge lamps and process of manufacture
NL8304164A (nl) * 1983-12-05 1985-07-01 Philips Nv Wijze van bedrijven van een hogedrukontladingslamp.
GB2169440B (en) * 1984-12-14 1989-08-16 Matsushita Electric Works Ltd High pressure discharge lamp
US4724361A (en) * 1984-12-14 1988-02-09 Matsushita Electric Works, Ltd. High pressure discharge lamp
GB8711131D0 (en) * 1987-05-12 1987-06-17 Emi Plc Thorn Power supply
US4904907A (en) * 1988-02-26 1990-02-27 General Electric Company Ballast circuit for metal halide lamp
US4866350A (en) * 1988-04-04 1989-09-12 Usi Lighting, Inc. Fluorescent lamp system
US4987347A (en) * 1989-03-08 1991-01-22 General Electric Company Lamp driver circuit
US5121034A (en) * 1989-03-08 1992-06-09 General Electric Company Acoustic resonance operation of xenon-metal halide lamps
AU632094B2 (en) * 1989-03-08 1992-12-17 General Electric Company Acoustic resonance operation for xenon-metal halide lamps
US4983889A (en) * 1989-05-15 1991-01-08 General Electric Company Discharge lamp using acoustic resonant oscillations to ensure high efficiency
DE4301184C2 (de) * 1993-01-19 1997-12-18 B & S Elektronische Geraete Gm Steuergerät für wenigstens eine Entladungslampe
DE4317368A1 (de) * 1993-05-25 1994-12-01 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Verfahren zum Betrieb einer Hochdruckentladungslampe
US5438244A (en) * 1994-09-02 1995-08-01 General Electric Company Use of silver and nickel silicide to control iodine level in electrodeless high intensity discharge lamps
US5550421A (en) * 1994-12-06 1996-08-27 Osram Sylvania Inc. Discharge lamp with enhanced performance and improved containment
US5883475A (en) * 1996-06-17 1999-03-16 Delta Power Supply, Inc. Method of avoiding acoustic compression wave resonance in high frequency, high intensity discharge lamps
US5998940A (en) * 1998-09-21 1999-12-07 Matsushita Electric Industrial Co., Ltd. High-pressure discharge lamp with reduced bad influence by acoustical standing wave
US6479946B2 (en) * 1999-03-05 2002-11-12 Matsushita Electric Industrial Co., Ltd. Method and system for driving high pressure mercury discharge lamp, and image projector
US6166495A (en) * 1999-04-14 2000-12-26 Osram Sylvania Inc. Square wave ballast for mercury free arc lamp
US6483252B2 (en) 2000-12-08 2002-11-19 Koninklijke Philips Electronics N.V. Optimal FM for HF operation of high intensity discharge (HID) lamps
CH699540B1 (fr) 2006-07-05 2010-03-31 Solaronix S A Lampe à plasma.

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB482991A (en) * 1936-06-13 1938-04-08 Philips Nv Improvements in or relating to devices comprising high-pressure metal-vapour discharge tubes
CH199305A (de) * 1936-10-26 1938-08-15 Ver Gluehlampen Und Elektrizit Hochdruckmetalldampflampe.
DE730454C (de) * 1938-09-10 1943-01-12 Patra Patent Treuhand Elektrische Hochdruckentladungslampe in gesockeltem Umhuellungsgefaess fuer Netzspannungsbetrieb und weniger als 200 Watt Leistungsaufnahme
BE440887A (it) * 1938-09-10
GB530216A (en) * 1939-06-30 1940-12-06 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Improvements in combinations of high-pressure metal-vapour electric discharge lamps with filaments in series with them
NL6408551A (it) * 1964-07-25 1966-01-26
US3407327A (en) * 1967-12-21 1968-10-22 Sylvania Electric Prod High pressure electric discharge device containing mercury, halogen, scandium and alkalimetal
DE2519377A1 (de) * 1975-04-30 1976-11-11 Patra Patent Treuhand Quecksilberdampf-hochdruckentladungslampe
CA1116690A (en) * 1976-02-02 1982-01-19 Esquire, Inc. High frequency circuit for operating a high-intensity, gaseous discharge lamp
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
US4170746A (en) 1979-10-09
AR218941A1 (es) 1980-07-15
NL187552C (nl) 1991-11-01
HU182651B (en) 1984-02-28
DE2847840A1 (de) 1979-06-28
NL7811622A (nl) 1979-06-29
CA1115766A (en) 1982-01-05
PL118219B1 (en) 1981-09-30
FR2413845B1 (it) 1982-10-29
FR2413845A1 (fr) 1979-07-27
GB2013394B (en) 1982-06-03
ATA799378A (de) 1983-09-15
BE873007A (fr) 1979-06-22
AT374651B (de) 1984-05-25
JPS5491971A (en) 1979-07-20
NL187552B (nl) 1991-06-03
DE2847840C2 (de) 1982-04-01
PL212190A1 (pl) 1979-08-27
BR7807913A (pt) 1979-07-31
JPS6325480B2 (it) 1988-05-25
IT7831043A0 (it) 1978-12-20
GB2013394A (en) 1979-08-08
MX145681A (es) 1982-03-22

Similar Documents

Publication Publication Date Title
IT1102338B (it) Funzionamento ad alta frequenza di lampade miniatura a scarica in vapori metallici
IT1096968B (it) Lampada a scarica in vapori metallici ad alta pressione di rendimento migliorato
ATA313577A (de) Wechselspannungs-metalldampfentladlungslampe
IT1107339B (it) Lampada a scarica nei vapori di mercurio ad alta pressione
IT1086422B (it) Lampada a scarica ad alta efficienza
NL179854C (nl) Lagedrukkwikdampontladingslamp.
MX148333A (es) Mejoras en lampara de descarga de arco de halogenuro metalico de alta intensidad
IT1165228B (it) Lampada a scarica ad alta pressione con alogenuri metallici
BR8201831A (pt) Lampada em miniatura de descarga de arco de halogeneto de metal de alta intensidade
NL184713C (nl) Metaaldampontladingslamp.
BE852720A (fr) Perfectionnement aux lampes a decharge a vapeur d'halogene de metal
BE886776A (fr) Lampe a decharge a vapeurs metalliques de haute intensite
JPS53129470A (en) High voltage metal vapor discharge lamp
NL183069C (nl) Metaaldampontladingslamp.
NL7713950A (nl) Elektrische hogedrukmetaaldampontladingslamp.
IT7829421A0 (it) Lampada a scarica ad alta pressione.
NL189888C (nl) Metaaldampontladingslamp.
IT1117392B (it) Circuito di comando di oscuramento di una lampada a scarica gassosa ad alta intensita
IT1107874B (it) Lampada a scarica a vapori di mercurio a bassa pressione
IT1123450B (it) Lampada a scarica a vapori di sodio ad alta pressione
NL177455C (nl) Hogedrukmetaaldampontladingslamp.
JPS53108682A (en) Metal vapor discharge lamp
ATA76277A (de) Elektrodenlose entladungslampe
JPS5479978A (en) Metallic vapor discharge lamp
JPS54152367A (en) Metallic vapor discharge lamp

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971223