NL8901955A - Startmiddelen, met piezoelektrisch gepositioneerde capacitieve startelektroden voor hid-lampen. - Google Patents

Startmiddelen, met piezoelektrisch gepositioneerde capacitieve startelektroden voor hid-lampen. Download PDF

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Publication number
NL8901955A
NL8901955A NL8901955A NL8901955A NL8901955A NL 8901955 A NL8901955 A NL 8901955A NL 8901955 A NL8901955 A NL 8901955A NL 8901955 A NL8901955 A NL 8901955A NL 8901955 A NL8901955 A NL 8901955A
Authority
NL
Netherlands
Prior art keywords
starting
electrodes
arc tube
electrode
aid according
Prior art date
Application number
NL8901955A
Other languages
English (en)
Dutch (nl)
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 NL8901955A publication Critical patent/NL8901955A/nl

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J65/00—Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel
    • H01J65/04—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels
    • H01J65/042—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field
    • H01J65/048—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field the field being produced by using an excitation coil
    • 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
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/2806—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps without electrodes in the vessel, e.g. surface discharge lamps, electrodeless discharge lamps
    • 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
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
NL8901955A 1988-08-08 1989-07-27 Startmiddelen, met piezoelektrisch gepositioneerde capacitieve startelektroden voor hid-lampen. NL8901955A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US22918788 1988-08-08
US07/229,187 US4894589A (en) 1988-08-08 1988-08-08 Starting means, with piezoelectrically-located capacitive starting electrodes, for HID lamps

Publications (1)

Publication Number Publication Date
NL8901955A true NL8901955A (nl) 1990-03-01

Family

ID=22860160

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8901955A NL8901955A (nl) 1988-08-08 1989-07-27 Startmiddelen, met piezoelektrisch gepositioneerde capacitieve startelektroden voor hid-lampen.

Country Status (6)

Country Link
US (1) US4894589A (fr)
JP (1) JPH067519B2 (fr)
DE (1) DE3924067C2 (fr)
FR (1) FR2636169B1 (fr)
GB (1) GB2221790B (fr)
NL (1) NL8901955A (fr)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4982140A (en) * 1989-10-05 1991-01-01 General Electric Company Starting aid for an electrodeless high intensity discharge lamp
US5047693A (en) * 1990-05-23 1991-09-10 General Electric Company Starting aid for an electrodeless high intensity discharge lamp
US5059868A (en) * 1990-05-23 1991-10-22 General Electric Company Starting circuit for an electrodeless high intensity discharge lamp
US5084654A (en) * 1990-05-23 1992-01-28 General Electric Company Starting aid for an electrodeless high intensity discharge lamp
US5075600A (en) * 1990-06-07 1991-12-24 General Electric Company Piezoelectrically actuated variable capacitor
US5107185A (en) * 1990-06-24 1992-04-21 General Electric Company Shielded starting coil for an electrodeless high intensity discharge lamp
US5248918A (en) * 1990-12-04 1993-09-28 General Electric Company Starting aid for an electrodeless high intensity discharge lamp
US5057750A (en) * 1990-12-04 1991-10-15 General Electric Company Two-stage resonant starting circuit for an electrodeless high intensity discharge lamp
US5103140A (en) * 1990-12-04 1992-04-07 General Electric Company Starting circuit for an electrodeless high intensity discharge lamp
US5095249A (en) * 1990-12-04 1992-03-10 General Electric Company Gas probe starter for an electrodeless high intensity discharge lamp
US5118996A (en) * 1991-06-24 1992-06-02 General Electric Company Starting circuit for an electrodeless high intensity discharge lamp
EP0528489B1 (fr) * 1991-08-14 1995-12-20 Matsushita Electric Works, Ltd. Lampe à décharge sans électrodes
JP2781115B2 (ja) * 1992-12-15 1998-07-30 松下電工株式会社 無電極放電灯
US5309063A (en) * 1993-03-04 1994-05-03 David Sarnoff Research Center, Inc. Inductive coil for inductively coupled plasma production apparatus
US5838108A (en) * 1996-08-14 1998-11-17 Fusion Uv Systems, Inc. Method and apparatus for starting difficult to start electrodeless lamps using a field emission source
US6043613A (en) * 1998-08-26 2000-03-28 General Electric Company Starting system for electrodeless metal halide discharge lamps
DE10058768C2 (de) * 2000-11-27 2003-08-21 Singulus Technologies Ag Verfahren zum Zünden eines Plasmas
US8299681B2 (en) 2009-03-06 2012-10-30 Life Services, LLC Remotely adjustable reactive and resistive electrical elements and method
US8854042B2 (en) 2010-08-05 2014-10-07 Life Services, LLC Method and coils for human whole-body imaging at 7 T
WO2012005620A1 (fr) * 2010-07-08 2012-01-12 Korotkov Konstantin Georgievich Dispositif pour mesurer la tension d'un champ électromagnétique
US8604791B2 (en) 2010-09-09 2013-12-10 Life Services, LLC Active transmit elements for MRI coils and other antenna devices
US9097769B2 (en) 2011-02-28 2015-08-04 Life Services, LLC Simultaneous TX-RX for MRI systems and other antenna devices
US9500727B2 (en) 2012-04-20 2016-11-22 Regents Of The University Of Minnesota System and method for control of RF circuits for use with an MRI system
US10191128B2 (en) 2014-02-12 2019-01-29 Life Services, LLC Device and method for loops-over-loops MRI coils
US10288711B1 (en) 2015-04-30 2019-05-14 Life Services, LLC Device and method for simultaneous TX/RX in strongly coupled MRI coil loops
US10827948B1 (en) 2015-11-25 2020-11-10 Life Services, LLC Method and apparatus for multi-part close fitting head coil
US10324146B2 (en) 2016-01-12 2019-06-18 Life Services, LLC Method and apparatus for multi-part body coil

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3500118A (en) * 1967-07-17 1970-03-10 Gen Electric Electrodeless gaseous electric discharge devices utilizing ferrite cores
US3872340A (en) * 1974-05-28 1975-03-18 Gen Electric High temperature lamp starting aid
US4253047A (en) * 1977-05-23 1981-02-24 General Electric Company Starting electrodes for solenoidal electric field discharge lamps
US4633135A (en) * 1980-12-29 1986-12-30 General Electric Company Starting aid for high pressure sodium vapor lamp
NL8104282A (nl) * 1981-09-17 1983-04-18 Philips Nv Hogedrukmetaaldampontladingslamp.
US4783615A (en) * 1985-06-26 1988-11-08 General Electric Company Electrodeless high pressure sodium iodide arc lamp
US4812702A (en) * 1987-12-28 1989-03-14 General Electric Company Excitation coil for hid electrodeless discharge lamp
US4902937A (en) * 1988-07-28 1990-02-20 General Electric Company Capacitive starting electrodes for hid lamps

Also Published As

Publication number Publication date
JPH067519B2 (ja) 1994-01-26
GB8917364D0 (en) 1989-09-13
DE3924067A1 (de) 1990-02-15
GB2221790B (en) 1992-09-16
FR2636169A1 (fr) 1990-03-09
GB2221790A (en) 1990-02-14
JPH02119098A (ja) 1990-05-07
DE3924067C2 (de) 1994-03-10
US4894589A (en) 1990-01-16
FR2636169B1 (fr) 1992-10-09

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A1A A request for search or an international-type search has been filed
BB A search report has been drawn up
BV The patent application has lapsed