DE2617688A1 - Vorrichtung zur einstellung des helligkeitspegels einer lampe - Google Patents

Vorrichtung zur einstellung des helligkeitspegels einer lampe

Info

Publication number
DE2617688A1
DE2617688A1 DE19762617688 DE2617688A DE2617688A1 DE 2617688 A1 DE2617688 A1 DE 2617688A1 DE 19762617688 DE19762617688 DE 19762617688 DE 2617688 A DE2617688 A DE 2617688A DE 2617688 A1 DE2617688 A1 DE 2617688A1
Authority
DE
Germany
Prior art keywords
beam lamp
high beam
lamp
transistor
potential
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.)
Withdrawn
Application number
DE19762617688
Other languages
German (de)
English (en)
Inventor
Sven Oscar Wilje
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of DE2617688A1 publication Critical patent/DE2617688A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B60Q1/1415—Dimming circuits
    • B60Q1/1423—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic
    • 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
    • H05B39/02—Switching on, e.g. with predetermined rate of increase of lighting current
    • 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
    • B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
    • B60Q2300/05—Special features for controlling or switching of the light beam
    • B60Q2300/054—Variable non-standard intensity, i.e. emission of various beam intensities different from standard intensities, e.g. continuous or stepped transitions of intensity

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
DE19762617688 1975-04-24 1976-04-23 Vorrichtung zur einstellung des helligkeitspegels einer lampe Withdrawn DE2617688A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7504725A SE389843B (sv) 1975-04-24 1975-04-24 Anordning for reglering av ljusstyrkan foretredesvis hos fordonsstralkastare

Publications (1)

Publication Number Publication Date
DE2617688A1 true DE2617688A1 (de) 1976-11-04

Family

ID=20324379

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762617688 Withdrawn DE2617688A1 (de) 1975-04-24 1976-04-23 Vorrichtung zur einstellung des helligkeitspegels einer lampe

Country Status (8)

Country Link
US (1) US4105927A (US06397114-20020528-M00001.png)
JP (1) JPS5855015B2 (US06397114-20020528-M00001.png)
AU (1) AU1335076A (US06397114-20020528-M00001.png)
DE (1) DE2617688A1 (US06397114-20020528-M00001.png)
FR (1) FR2309110A1 (US06397114-20020528-M00001.png)
GB (1) GB1531026A (US06397114-20020528-M00001.png)
IT (1) IT1058226B (US06397114-20020528-M00001.png)
SE (1) SE389843B (US06397114-20020528-M00001.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4020878A1 (de) * 1989-07-03 1991-01-17 Koito Mfg Co Ltd Scheinwerfer fuer fahrzeuge

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5743816Y2 (US06397114-20020528-M00001.png) * 1979-12-13 1982-09-27
EP0062730A1 (en) * 1981-04-15 1982-10-20 Sven Oscar WILJE A device for the control of the luminous flux from a main beam bulb in a motor vehicle
JPS59132437U (ja) * 1983-02-25 1984-09-05 三菱自動車工業株式会社 自動車用フオグランプ回路
US5124549A (en) * 1990-10-15 1992-06-23 Lectron Products, Inc. Automatic headlamp dimmer with optical baffle
US8786189B2 (en) 2010-11-18 2014-07-22 Jerrold W. Mayfield Integrated exit signs and monitoring system
US8974079B2 (en) 2011-05-24 2015-03-10 Limelite Technologies, Inc. Lighting system with integrated EL panel

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2786963A (en) * 1956-02-03 1957-03-26 Gen Motors Corp Salute control for automatic headlight dimmer system
US3121823A (en) * 1959-09-25 1964-02-18 Gen Motors Corp Vehicle light control
US3355624A (en) * 1965-06-04 1967-11-28 Gen Motors Corp Transistor headlamp beam control
US3546527A (en) * 1968-09-30 1970-12-08 Chrysler Corp Headlamp time delay circuit controller
US3689806A (en) * 1971-08-10 1972-09-05 Mitsubishi Electric Corp Time holding switch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4020878A1 (de) * 1989-07-03 1991-01-17 Koito Mfg Co Ltd Scheinwerfer fuer fahrzeuge

Also Published As

Publication number Publication date
JPS5855015B2 (ja) 1983-12-07
JPS51146036A (en) 1976-12-15
IT1058226B (it) 1982-04-10
FR2309110B3 (US06397114-20020528-M00001.png) 1979-01-19
AU1335076A (en) 1977-11-03
SE389843B (sv) 1976-11-22
US4105927A (en) 1978-08-08
FR2309110A1 (fr) 1976-11-19
GB1531026A (en) 1978-11-01

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8128 New person/name/address of the agent

Representative=s name: SPLANEMANN, R., DIPL.-ING. REITZNER, B., DIPL.-CHE

8139 Disposal/non-payment of the annual fee