GB700278A - Improvements in indicator lights - Google Patents

Improvements in indicator lights

Info

Publication number
GB700278A
GB700278A GB7700/52A GB770052A GB700278A GB 700278 A GB700278 A GB 700278A GB 7700/52 A GB7700/52 A GB 7700/52A GB 770052 A GB770052 A GB 770052A GB 700278 A GB700278 A GB 700278A
Authority
GB
United Kingdom
Prior art keywords
indicator
prism
light source
panel
illuminated
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
GB7700/52A
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.)
Motors Liquidation Co
Original Assignee
Motors Liquidation Co
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 Motors Liquidation Co filed Critical Motors Liquidation Co
Publication of GB700278A publication Critical patent/GB700278A/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
    • 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
    • B60Q3/14—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for dashboards lighting through the surface to be illuminated
    • 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
    • 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
    • B60Q3/60—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects
    • B60Q3/62—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides
    • B60Q3/64—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides for a single lighting device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K37/00—Dashboards
    • B60K37/20—Dashboard panels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Measuring Devices (AREA)

Abstract

700,278. Signs. GENERAL MOTORS CORPORATION. March 26, 1952 [April 2, 1951], No. 7700/52. Class 3(2) [Also in Groups XXXI, XXXIV and XXXVII] An indicator comprises a light source 56 an indicating element 28 and a prism 33 located between them so as to distribute the light over the indicating element. As shown in Fig. 2 the indicating element 28 is a transparent panel with opaque black indications marked on it, the panel being mounted in the front of a housing 35 which also supports the prism 33 so that it is immediately behind the panel. The housing also supports a tube 52 having a reflecting inner surface and at the remote end of which the light source 56 is mounted. Part of the prism is concealed from the light source 56 by a part 68 of the housing and the apex of the prism is cut away so that internal reflection in the prism of rays from the light source 56 illuminates the panel 28 uniformly. Three devices 12, 14, 16, Fig. 1, constructed as above are mounted on the dashboard of a motor car; the indicator 12 is controlled by a switch which is operated by a servomotor in the engine oil supply system, when the pressure is low so that the indicator 12 is then illuminated; the indicator 14 is controlled by a switch which is actuated when the parking brake is on so that the indicator 14 is then illuminated; the indicator 16 is controlled by an additional contact on the cut-out between the generator and the battery so that, if for any reason the cut-out is not closed by the generator so that the battery is not being charged, the indicator 16 is illuminated; all the indicator circuits are supplied through the ignition switch so that they do not operate when the ignition is switched off.
GB7700/52A 1951-04-02 1952-03-26 Improvements in indicator lights Expired GB700278A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US700278XA 1951-04-02 1951-04-02

Publications (1)

Publication Number Publication Date
GB700278A true GB700278A (en) 1953-11-25

Family

ID=22092674

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7700/52A Expired GB700278A (en) 1951-04-02 1952-03-26 Improvements in indicator lights

Country Status (1)

Country Link
GB (1) GB700278A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2305154A (en) * 1995-09-14 1997-04-02 Delco Electronic Overseas Corp Motor vehicle instrument display
WO2012126589A1 (en) * 2011-03-24 2012-09-27 Volkswagen Aktiengesellschaft Component intended to be arranged in a vehicle and method for producing same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2305154A (en) * 1995-09-14 1997-04-02 Delco Electronic Overseas Corp Motor vehicle instrument display
GB2305154B (en) * 1995-09-14 1999-08-11 Delco Electronic Overseas Corp Instrument display
WO2012126589A1 (en) * 2011-03-24 2012-09-27 Volkswagen Aktiengesellschaft Component intended to be arranged in a vehicle and method for producing same

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