FR2740647B1 - VEHICLE PROJECTOR - Google Patents
VEHICLE PROJECTORInfo
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19540326A DE19540326B4 (en) | 1995-10-28 | 1995-10-28 | Headlights for vehicles |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2740647A1 FR2740647A1 (en) | 1997-04-30 |
FR2740647B1 true FR2740647B1 (en) | 2001-08-24 |
Family
ID=7776126
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9612992A Expired - Fee Related FR2740647B1 (en) | 1995-10-28 | 1996-10-24 | VEHICLE PROJECTOR |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPH09180886A (en) |
DE (1) | DE19540326B4 (en) |
FR (1) | FR2740647B1 (en) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19818621A1 (en) * | 1998-04-25 | 1999-10-28 | Mannesmann Vdo Ag | Circuit arrangement for adjusting the brightness of current-controlled light-emitting diodes for illuminating a display |
US6445141B1 (en) * | 1998-07-01 | 2002-09-03 | Everbrite, Inc. | Power supply for gas discharge lamp |
EP0974787A3 (en) * | 1998-07-23 | 2001-11-21 | MELA Industrieprodukte GmbH | Lamp, housing member in particular for a lamp and fastening device for mounting a functional member in the housing member |
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 (en) * | 2002-04-30 | 2007-10-31 | ウシオ電機株式会社 | Rare gas discharge lamp life prediction method and rare gas discharge lamp life prediction system |
JP2004330819A (en) * | 2003-05-01 | 2004-11-25 | Koito Mfg Co Ltd | Lighting fixture for vehicle |
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 |
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 |
US7646151B2 (en) * | 2006-02-06 | 2010-01-12 | General Electric Company | Light source module |
CN101106856B (en) * | 2006-07-10 | 2012-01-25 | 东芝照明技术株式会社 | Lighting apparatus |
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 (en) * | 2008-11-28 | 2010-06-10 | Osram Gesellschaft mit beschränkter Haftung | Integrated gas discharge lamp |
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 (en) * | 2009-02-23 | 2010-09-09 | Panasonic Electric Works Co Ltd | High pressure discharge lamp lighting device, lighting apparatus, and lighting system |
DE102010031523A1 (en) | 2010-07-19 | 2012-01-19 | Osram Gesellschaft mit beschränkter Haftung | Method for optimized operation of a high-pressure discharge lamp |
CN103392094B (en) | 2011-02-25 | 2016-12-21 | 玛斯柯有限公司 | Compact adjustable LED light device and the method and system of longtime running |
US20130293120A1 (en) * | 2012-05-04 | 2013-11-07 | Robert Bosch Gmbh | Luminence control of gas-discharge lamps |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3601665A1 (en) * | 1986-01-21 | 1987-07-23 | Gerda Schmidt | Method for determining the optimum operating life of at least one current-consuming light source, especially a fluorescent tube |
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 (en) * | 1989-07-10 | 1995-06-15 | Philips Electronics Na | CIRCUIT ARRANGEMENT. |
DE4102069A1 (en) * | 1991-01-24 | 1992-07-30 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | CIRCUIT ARRANGEMENT FOR OPERATING A DISCHARGE LAMP |
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 (en) * | 1992-06-03 | 1996-04-09 | PROCEDURE FOR CHECKING THE OPERATING STATE OF LAMPS OF A PUBLIC LIGHTING NETWORK | |
DE4310307B4 (en) * | 1993-03-30 | 2004-10-14 | Robert Bosch Gmbh | Headlights for vehicles |
DE4403877A1 (en) * | 1994-02-08 | 1995-08-17 | Brueck Ingrid | Sunbed irradiation dose maintenance in event of source power loss |
-
1995
- 1995-10-28 DE DE19540326A patent/DE19540326B4/en not_active Expired - Fee Related
-
1996
- 1996-10-24 FR FR9612992A patent/FR2740647B1/en not_active Expired - Fee Related
- 1996-10-28 JP JP8285591A patent/JPH09180886A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2740647A1 (en) | 1997-04-30 |
DE19540326B4 (en) | 2006-06-14 |
DE19540326A1 (en) | 1997-04-30 |
JPH09180886A (en) | 1997-07-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |