DE29820602U1 - Circuit to prevent night driving without the need for dimming - Google Patents

Circuit to prevent night driving without the need for dimming

Info

Publication number
DE29820602U1
DE29820602U1 DE29820602U DE29820602U DE29820602U1 DE 29820602 U1 DE29820602 U1 DE 29820602U1 DE 29820602 U DE29820602 U DE 29820602U DE 29820602 U DE29820602 U DE 29820602U DE 29820602 U1 DE29820602 U1 DE 29820602U1
Authority
DE
Germany
Prior art keywords
dimming
circuit
need
night driving
prevent night
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 - Lifetime
Application number
DE29820602U
Other languages
German (de)
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.)
SIGL ERNST
Original Assignee
SIGL ERNST
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 SIGL ERNST filed Critical SIGL ERNST
Priority to DE29820602U priority Critical patent/DE29820602U1/en
Publication of DE29820602U1 publication Critical patent/DE29820602U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • B60Q2300/30—Indexing codes relating to the vehicle environment
    • B60Q2300/33—Driving situation
    • B60Q2300/332—Driving situation on city roads
    • B60Q2300/3321—Detection of streetlights
    • 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
    • B60Q2300/40—Indexing codes relating to other road users or special conditions
    • B60Q2300/42—Indexing codes relating to other road users or special conditions oncoming vehicle

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
DE29820602U 1998-11-18 1998-11-18 Circuit to prevent night driving without the need for dimming Expired - Lifetime DE29820602U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29820602U DE29820602U1 (en) 1998-11-18 1998-11-18 Circuit to prevent night driving without the need for dimming

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29820602U DE29820602U1 (en) 1998-11-18 1998-11-18 Circuit to prevent night driving without the need for dimming

Publications (1)

Publication Number Publication Date
DE29820602U1 true DE29820602U1 (en) 1999-03-11

Family

ID=8065491

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29820602U Expired - Lifetime DE29820602U1 (en) 1998-11-18 1998-11-18 Circuit to prevent night driving without the need for dimming

Country Status (1)

Country Link
DE (1) DE29820602U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104427706A (en) * 2013-09-09 2015-03-18 海洋王（东莞）照明科技有限公司 Sound-light control circuit and lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104427706A (en) * 2013-09-09 2015-03-18 海洋王（东莞）照明科技有限公司 Sound-light control circuit and lamp

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 19990422

R156 Lapse of ip right after 3 years

Effective date: 20020702