FR2752465B1 - METHOD FOR ADJUSTING THE BRIGHTNESS OF A VISUALIZATION DEVICE - Google Patents

METHOD FOR ADJUSTING THE BRIGHTNESS OF A VISUALIZATION DEVICE

Info

Publication number
FR2752465B1
FR2752465B1 FR9710320A FR9710320A FR2752465B1 FR 2752465 B1 FR2752465 B1 FR 2752465B1 FR 9710320 A FR9710320 A FR 9710320A FR 9710320 A FR9710320 A FR 9710320A FR 2752465 B1 FR2752465 B1 FR 2752465B1
Authority
FR
France
Prior art keywords
brightness
adjusting
visualization device
visualization
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
FR9710320A
Other languages
French (fr)
Other versions
FR2752465A1 (en
Inventor
Ulrike Mader
Wolfgang Scheidl
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of FR2752465A1 publication Critical patent/FR2752465A1/en
Application granted granted Critical
Publication of FR2752465B1 publication Critical patent/FR2752465B1/en
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
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • H05B41/3927—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by pulse width modulation
    • 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
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/10—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for dashboards
    • B60Q3/16—Circuits; Control arrangements
    • B60Q3/18—Circuits; Control arrangements for varying the light intensity
    • 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
    • H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
    • H05B39/04—Controlling
    • H05B39/041—Controlling the light-intensity of the source
    • H05B39/044—Controlling the light-intensity of the source continuously
    • H05B39/047—Controlling the light-intensity of the source continuously with pulse width modulation from a DC power source

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
FR9710320A 1996-08-14 1997-08-13 METHOD FOR ADJUSTING THE BRIGHTNESS OF A VISUALIZATION DEVICE Expired - Fee Related FR2752465B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19632869A DE19632869C1 (en) 1996-08-14 1996-08-14 Display read-out brightness adjustment method e.g. for motor vehicle dashboard display with dimmer potentiometer

Publications (2)

Publication Number Publication Date
FR2752465A1 FR2752465A1 (en) 1998-02-20
FR2752465B1 true FR2752465B1 (en) 1999-02-05

Family

ID=7802680

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9710320A Expired - Fee Related FR2752465B1 (en) 1996-08-14 1997-08-13 METHOD FOR ADJUSTING THE BRIGHTNESS OF A VISUALIZATION DEVICE

Country Status (2)

Country Link
DE (1) DE19632869C1 (en)
FR (1) FR2752465B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU9398798A (en) * 1997-09-18 1999-04-05 Everbrite, Inc. Group dimming system for gas discharge lamps
DE10112114C2 (en) * 2001-03-14 2003-02-27 Vossloh Schwabe Elektronik Control device for a lighting device
CN102984860B (en) * 2012-11-21 2014-12-31 深圳市华星光电技术有限公司 Light emitting diode (LED) dimming drive module, backlight module and liquid crystal display device
CN110696751B (en) * 2019-10-31 2021-05-07 一汽解放汽车有限公司 Fault alarm indication method, device, vehicle and storage medium

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4777408A (en) * 1986-06-23 1988-10-11 Deluca Frederick P Electronic adornment for simulating natural flickering light
IT1208361B (en) * 1987-03-31 1989-06-12 Veglia Borletti Srl DEVICE FOR REGULATING THE LIGHTING INTENSITY OF THE ON-BOARD PANEL OF A VEHICLE
GB2212995A (en) * 1987-10-23 1989-08-02 Rockwell International Corp Fluorescent lamp dimmer
US5268616A (en) * 1992-06-08 1993-12-07 Chrysler Corporation Vehicle instrument panel lamps, improved pulse width dimmer system therefor
US5381074A (en) * 1993-06-01 1995-01-10 Chrysler Corporation Self calibrating lighting control system
US5453668A (en) * 1994-03-23 1995-09-26 Chow; Shing C. Method and circuitry for producing dynamic illumination of discharge lamp

Also Published As

Publication number Publication date
FR2752465A1 (en) 1998-02-20
DE19632869C1 (en) 1997-09-04

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20100430