JPS6351899B2 - - Google Patents

Info

Publication number
JPS6351899B2
JPS6351899B2 JP57199684A JP19968482A JPS6351899B2 JP S6351899 B2 JPS6351899 B2 JP S6351899B2 JP 57199684 A JP57199684 A JP 57199684A JP 19968482 A JP19968482 A JP 19968482A JP S6351899 B2 JPS6351899 B2 JP S6351899B2
Authority
JP
Japan
Prior art keywords
lights
tunnel
light
vehicle
illuminance
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
Application number
JP57199684A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5992225A (ja
Inventor
Takeshi Ito
Iwao Imai
Yasushi Tanaka
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co Ltd
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 Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to JP57199684A priority Critical patent/JPS5992225A/ja
Publication of JPS5992225A publication Critical patent/JPS5992225A/ja
Publication of JPS6351899B2 publication Critical patent/JPS6351899B2/ja
Granted 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
    • B60Q2300/31—Atmospheric conditions
    • B60Q2300/314—Ambient light
    • 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
    • B60Q2300/337—Tunnels or bridges

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
JP57199684A 1982-11-16 1982-11-16 車両用ライト制御装置 Granted JPS5992225A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57199684A JPS5992225A (ja) 1982-11-16 1982-11-16 車両用ライト制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57199684A JPS5992225A (ja) 1982-11-16 1982-11-16 車両用ライト制御装置

Publications (2)

Publication Number Publication Date
JPS5992225A JPS5992225A (ja) 1984-05-28
JPS6351899B2 true JPS6351899B2 (enrdf_load_stackoverflow) 1988-10-17

Family

ID=16411887

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57199684A Granted JPS5992225A (ja) 1982-11-16 1982-11-16 車両用ライト制御装置

Country Status (1)

Country Link
JP (1) JPS5992225A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS5992225A (ja) 1984-05-28

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