GB1068252A - Improvements in and relating to lighting control apparatus - Google Patents

Improvements in and relating to lighting control apparatus

Info

Publication number
GB1068252A
GB1068252A GB1297063A GB1297063A GB1068252A GB 1068252 A GB1068252 A GB 1068252A GB 1297063 A GB1297063 A GB 1297063A GB 1297063 A GB1297063 A GB 1297063A GB 1068252 A GB1068252 A GB 1068252A
Authority
GB
United Kingdom
Prior art keywords
relay
amplifier
vehicle
photo
relating
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
GB1297063A
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.)
DAVID JEFFREY DALTON BROWN
Original Assignee
DAVID JEFFREY DALTON BROWN
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 DAVID JEFFREY DALTON BROWN filed Critical DAVID JEFFREY DALTON BROWN
Priority to GB1297063A priority Critical patent/GB1068252A/en
Priority to BE646054A priority patent/BE646054A/fr
Priority to NL6403493A priority patent/NL6403493A/xx
Publication of GB1068252A publication Critical patent/GB1068252A/en
Expired 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
    • B60Q2300/05—Special features for controlling or switching of the light beam
    • B60Q2300/052—Switching delay, i.e. the beam is not switched or changed instantaneously upon occurrence of a condition change
    • 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)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

1, 068, 252. Photo-electric control of vehicle lighting. J. HAYES and D. J. D. BROWN. March 25, 1964 [April 2, 1963; Sept. 20, 1963 ], Nos. 12970/63 and 37061/63. Heading G1A. In an arrangement for dipping the headlamps of a vehicle on the approach of another vehicle, a photo-resistance 1 mounted in a forward-looking position controls through a two-stage transistor amplifier 4, 5 a relay 10 operating change-over contacts 12, the amplifier being such that the light-level required to hold the relay is considerably less than that required to operate it initially. The resistor 15 produces a degree of negative feedback and tends to stabilize the amplifier besides reducing the effects of temperature. The potentiometer 6 provides a sensitivity control. The normal dip switch 13 is effective when the relay 10 is inoperative.
GB1297063A 1963-04-02 1963-04-02 Improvements in and relating to lighting control apparatus Expired GB1068252A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1297063A GB1068252A (en) 1963-04-02 1963-04-02 Improvements in and relating to lighting control apparatus
BE646054A BE646054A (en) 1963-04-02 1964-04-02
NL6403493A NL6403493A (en) 1963-04-02 1964-04-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1297063A GB1068252A (en) 1963-04-02 1963-04-02 Improvements in and relating to lighting control apparatus

Publications (1)

Publication Number Publication Date
GB1068252A true GB1068252A (en) 1967-05-10

Family

ID=10014446

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1297063A Expired GB1068252A (en) 1963-04-02 1963-04-02 Improvements in and relating to lighting control apparatus

Country Status (1)

Country Link
GB (1) GB1068252A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2242018A (en) * 1990-03-13 1991-09-18 Chen Min Shiung Automatic brightness control device for motor vehicle headlamps
EP0533508A2 (en) * 1991-09-19 1993-03-24 Dani Ben-Lulu Apparatus and system for controlling vehicle's headlights
FR2696389A1 (en) * 1992-10-07 1994-04-08 Sailly Bertrand Automobile vehicle headlight safety control system - uses photo detector to sense oncoming lights and switch from full beam to dipped beam lights by two transistors and relays
ES2121544A1 (en) * 1996-10-08 1998-11-16 Olmedilla Juan Manuel Sanz Anti-dazzle device for fitting to motor vehicles

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2242018A (en) * 1990-03-13 1991-09-18 Chen Min Shiung Automatic brightness control device for motor vehicle headlamps
EP0533508A2 (en) * 1991-09-19 1993-03-24 Dani Ben-Lulu Apparatus and system for controlling vehicle's headlights
EP0533508A3 (en) * 1991-09-19 1993-07-28 Dani Ben-Lulu Apparatus and system for controlling vehicle's headlights
FR2696389A1 (en) * 1992-10-07 1994-04-08 Sailly Bertrand Automobile vehicle headlight safety control system - uses photo detector to sense oncoming lights and switch from full beam to dipped beam lights by two transistors and relays
ES2121544A1 (en) * 1996-10-08 1998-11-16 Olmedilla Juan Manuel Sanz Anti-dazzle device for fitting to motor vehicles

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