FR2740647B1 - Projecteur pour vehicule - Google Patents

Projecteur pour vehicule

Info

Publication number
FR2740647B1
FR2740647B1 FR9612992A FR9612992A FR2740647B1 FR 2740647 B1 FR2740647 B1 FR 2740647B1 FR 9612992 A FR9612992 A FR 9612992A FR 9612992 A FR9612992 A FR 9612992A FR 2740647 B1 FR2740647 B1 FR 2740647B1
Authority
FR
France
Prior art keywords
vehicle projector
projector
vehicle
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.)
Expired - Fee Related
Application number
FR9612992A
Other languages
English (en)
French (fr)
Other versions
FR2740647A1 (fr
Inventor
Berhnard Woerner
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of FR2740647A1 publication Critical patent/FR2740647A1/fr
Application granted granted Critical
Publication of FR2740647B1 publication Critical patent/FR2740647B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H05B41/14—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • H05B47/24—Circuit arrangements for protecting against overvoltage
FR9612992A 1995-10-28 1996-10-24 Projecteur pour vehicule Expired - Fee Related FR2740647B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19540326A DE19540326B4 (de) 1995-10-28 1995-10-28 Scheinwerfer für Fahrzeuge

Publications (2)

Publication Number Publication Date
FR2740647A1 FR2740647A1 (fr) 1997-04-30
FR2740647B1 true FR2740647B1 (fr) 2001-08-24

Family

ID=7776126

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9612992A Expired - Fee Related FR2740647B1 (fr) 1995-10-28 1996-10-24 Projecteur pour vehicule

Country Status (3)

Country Link
JP (1) JPH09180886A (ja)
DE (1) DE19540326B4 (ja)
FR (1) FR2740647B1 (ja)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19818621A1 (de) * 1998-04-25 1999-10-28 Mannesmann Vdo Ag Schaltungsanordnung zur Einstellung der Helligkeit stromgesteuerter Leuchtdioden zur Beleuchtung einer Anzeige
WO2000002423A2 (en) * 1998-07-01 2000-01-13 Everbrite, Inc. Power supply for gas discharge lamp
EP0974787A3 (de) * 1998-07-23 2001-11-21 MELA Industrieprodukte GmbH Lampenkopf, Gehäuseteil insbesondere für einen Lampenkof sowie Befestigungseinrichtung zur Anbringung eines Funktionsteiles in dem Gehäuseteil
US6681110B1 (en) 1999-07-02 2004-01-20 Musco Corporation Means and apparatus for control of remote electrical devices
WO2002035894A1 (en) * 2000-10-27 2002-05-02 Koninklijke Philips Electronics N.V. Circuit arrangement
JP4000897B2 (ja) * 2002-04-30 2007-10-31 ウシオ電機株式会社 希ガス放電ランプの寿命予測方法、及び、希ガス放電ランプの寿命予測システム
JP2004330819A (ja) * 2003-05-01 2004-11-25 Koito Mfg Co Ltd 車両用灯具
US7956551B1 (en) 2004-02-24 2011-06-07 Musco Corporation Apparatus and method for discretionary adjustment of lumen output of light sources having lamp lumen depreciation characteristic compensation
US7843144B2 (en) 2004-02-24 2010-11-30 Musco Corporation Method and apparatus for retrofitting HID lamps with system to periodically adjust operating wattage
US8770796B2 (en) 2004-02-24 2014-07-08 Musco Corporation Energy efficient high intensity lighting fixture and method and system for efficient, effective, and energy saving high intensity lighting
US7176635B2 (en) * 2004-02-24 2007-02-13 Musco Corporation Apparatus and method for compensating for reduced light output of a light source having a lumen depreciation characteristic over its operational life
US7956556B1 (en) 2004-02-24 2011-06-07 Musco Corporation Apparatus and method for compensating for reduced light output of a solid-state light source having a lumen depreciation characteristic over its operational life
US7646151B2 (en) * 2006-02-06 2010-01-12 General Electric Company Light source module
CN101106856B (zh) * 2006-07-10 2012-01-25 东芝照明技术株式会社 照明装置
US7982404B2 (en) 2006-12-22 2011-07-19 Musco Corporation Method and apparatus and system for adjusting power to HID lamp to control level of light output and conserve energy (ballast multi-tap power output)
US8288965B1 (en) 2007-02-23 2012-10-16 Musco Corporation Apparatus and method for switching in added capacitance into high-intensity discharge lamp circuit at preset times
DE102008059483A1 (de) * 2008-11-28 2010-06-10 Osram Gesellschaft mit beschränkter Haftung Integrierte Gasentladungslampe
US8247990B1 (en) 2008-12-05 2012-08-21 Musco Corporation Apparatus, method, and system for improved switching methods for power adjustments in light sources
JP2010198785A (ja) * 2009-02-23 2010-09-09 Panasonic Electric Works Co Ltd 高圧放電灯点灯装置、照明器具、及び照明システム
DE102010031523A1 (de) 2010-07-19 2012-01-19 Osram Gesellschaft mit beschränkter Haftung Verfahren zum optimierten Betrieb einer Hochdruckentladungslampe
US9581303B2 (en) 2011-02-25 2017-02-28 Musco Corporation Compact and adjustable LED lighting apparatus, and method and system for operating such long-term
US20130293120A1 (en) * 2012-05-04 2013-11-07 Robert Bosch Gmbh Luminence control of gas-discharge lamps

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3601665A1 (de) * 1986-01-21 1987-07-23 Gerda Schmidt Verfahren zur ermittlung der optimalen betriebsdauer wenigstens einer stromverbrauchenden lichtquelle, insbesondere einer leuchtstoffroehre
US4831564A (en) * 1987-10-22 1989-05-16 Suga Test Instruments Co., Ltd. Apparatus for estimating and displaying remainder of lifetime of xenon lamps
ATE123914T1 (de) * 1989-07-10 1995-06-15 Philips Electronics Na Schaltungsanordnung.
DE4102069A1 (de) * 1991-01-24 1992-07-30 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Schaltungsanordnung zum betrieb einer entladungslampe
US5274611A (en) * 1992-04-22 1993-12-28 Joseph Donohoe Apparatus and method for estimating the expired portion of the expected total service life of a mercury vapor lamp based upon the time the lamp is electrically energized
IT1260524B (it) * 1992-06-03 1996-04-09 Procedimento per controllare lo stato di funzionamento di lampade di una rete di illuminazione pubblica
DE4310307B4 (de) * 1993-03-30 2004-10-14 Robert Bosch Gmbh Scheinwerfer für Fahrzeuge
DE4403877A1 (de) * 1994-02-08 1995-08-17 Brueck Ingrid Verfahren und Vorrichtung zur Sicherstellung einer hinreichend konstanten Bestrahlungsdosis bei Leistungsabfall der Strahlenquellen in Bräunungsgeräten

Also Published As

Publication number Publication date
DE19540326B4 (de) 2006-06-14
JPH09180886A (ja) 1997-07-11
FR2740647A1 (fr) 1997-04-30
DE19540326A1 (de) 1997-04-30

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Legal Events

Date Code Title Description
ST Notification of lapse