FR2013527A1 - - Google Patents

Info

Publication number
FR2013527A1
FR2013527A1 FR6924925A FR6924925A FR2013527A1 FR 2013527 A1 FR2013527 A1 FR 2013527A1 FR 6924925 A FR6924925 A FR 6924925A FR 6924925 A FR6924925 A FR 6924925A FR 2013527 A1 FR2013527 A1 FR 2013527A1
Authority
FR
France
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.)
Pending
Application number
FR6924925A
Other languages
French (fr)
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of FR2013527A1 publication Critical patent/FR2013527A1/fr
Pending 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
    • H05B41/02—Details
    • H05B41/04—Starting switches
    • H05B41/042—Starting switches using semiconductor devices
    • H05B41/044—Starting switches using semiconductor devices for lamp provided with pre-heating electrodes
    • H05B41/046—Starting switches using semiconductor devices for lamp provided with pre-heating electrodes using controlled semiconductor devices
    • 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
    • Y10S315/01—Fluorescent lamp circuits with more than two principle electrodes
    • 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
    • Y10S315/04—Dimming circuit for fluorescent 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
FR6924925A 1968-07-23 1969-07-22 Pending FR2013527A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5206868 1968-07-23
JP5791368 1968-08-14

Publications (1)

Publication Number Publication Date
FR2013527A1 true FR2013527A1 (en) 1970-04-03

Family

ID=26392671

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6924925A Pending FR2013527A1 (en) 1968-07-23 1969-07-22

Country Status (5)

Country Link
US (1) US3611024A (en)
DE (1) DE1937032B2 (en)
FR (1) FR2013527A1 (en)
GB (1) GB1276522A (en)
NL (1) NL6911201A (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3753040A (en) * 1971-12-10 1973-08-14 Ims Corp Fluorescent lamp strobing circuit
US3936696A (en) * 1973-08-27 1976-02-03 Lutron Electronics Co., Inc. Dimming circuit with saturated semiconductor device
US4158793A (en) * 1977-07-11 1979-06-19 Lewis Gary D Gas discharge lamp control circuit
US4286195A (en) * 1979-07-05 1981-08-25 Vultron, Inc. Dimmer circuit for fluorescent lamps
US4383202A (en) * 1980-12-22 1983-05-10 General Electric Company Flashing florescent lamps
DE3100177A1 (en) * 1981-01-07 1982-08-05 Philips Patentverwaltung Gmbh, 2000 Hamburg Circuit arrangement for igniting and operating a low-pressure discharge lamp from a direct current source
US4555302A (en) * 1984-08-24 1985-11-26 Urbanik John C Method and apparatus for ultrasonic etching of printing plates
US4654562A (en) * 1984-12-21 1987-03-31 The Gerber Scientific Instrument Co. Flashing lamp unit
US4651060A (en) * 1985-11-13 1987-03-17 Electro Controls Inc. Method and apparatus for dimming fluorescent lights
US4739227A (en) * 1986-09-26 1988-04-19 General Electric Company Fluorescent lamp dimming over large light output range
GB8711131D0 (en) * 1987-05-12 1987-06-17 Emi Plc Thorn Power supply
GB2230662B (en) * 1989-02-23 1993-10-06 Matsushita Electric Works Ltd Device for lighting a dc discharge lamp
US5107183A (en) * 1989-10-16 1992-04-21 Minipilo Electric Co., Ltd. Discharging method and small fluorescent lamp using the discharging method
US5068577A (en) * 1990-11-19 1991-11-26 Integrated Systems Engineering, Inc. Constant current drive system for fluorescent tubes
US5150018A (en) * 1991-08-12 1992-09-22 North American Philips Corporation Gas discharge lamp with grid and control circuits therefor
US6072284A (en) * 1998-07-20 2000-06-06 Duro-Test Corporation Three-way compact fluorescent lamp ballast and lamp holder incorporating same
US8089289B1 (en) * 2007-07-03 2012-01-03 Cypress Semiconductor Corporation Capacitive field sensor with sigma-delta modulator
US8570053B1 (en) 2007-07-03 2013-10-29 Cypress Semiconductor Corporation Capacitive field sensor with sigma-delta modulator
US9807841B2 (en) 2012-07-12 2017-10-31 Hubbell Incorporated Circuit for expanding the dimming range of an LED lamp

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1899021A (en) * 1928-12-15 1933-02-28 Rca Corp Glow lamp circuit
US2972707A (en) * 1954-10-18 1961-02-21 Electro Voice Image reproducing device
DE1134760B (en) * 1960-01-18 1962-08-16 Patra Patent Treuhand Circuit arrangement for operating high-pressure discharge lamps with rectangular current pulses
US3066241A (en) * 1960-11-18 1962-11-27 Sylvania Electric Prod Apparatus for operating gaseous discharge lamps from a d.c. source
US3265930A (en) * 1962-05-03 1966-08-09 Gen Electric Current level switching apparatus for operating electric discharge lamps
US3263125A (en) * 1963-05-01 1966-07-26 Gen Electric Current limiting circuits and apparatus for operating electric discharge devices and other loads
US3471747A (en) * 1967-02-02 1969-10-07 Gen Motors Corp Starting circuit and solid state running circuit for high pressure arc lamp

Also Published As

Publication number Publication date
GB1276522A (en) 1972-06-01
DE1937032B2 (en) 1971-09-09
NL6911201A (en) 1970-01-27
US3611024A (en) 1971-10-05
DE1937032A1 (en) 1970-02-26

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