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WO2008093359A3 - A solid light guide for uniform illumination of dial, a dial background luminous system and a method thereof - Google Patents

A solid light guide for uniform illumination of dial, a dial background luminous system and a method thereof Download PDF

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Publication number
WO2008093359A3
WO2008093359A3 PCT/IN2008/000058 IN2008000058W WO2008093359A3 WO 2008093359 A3 WO2008093359 A3 WO 2008093359A3 IN 2008000058 W IN2008000058 W IN 2008000058W WO 2008093359 A3 WO2008093359 A3 WO 2008093359A3
Authority
WO
WIPO (PCT)
Prior art keywords
dial
light guide
uniform illumination
solid light
background luminous
Prior art date
Application number
PCT/IN2008/000058
Other languages
French (fr)
Other versions
WO2008093359A2 (en
Inventor
Dharmaraj Prasad
Mohamed Kaja Aliar Husain
Original Assignee
Pricol Ltd
Dharmaraj Prasad
Mohamed Kaja Aliar Husain
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 Pricol Ltd, Dharmaraj Prasad, Mohamed Kaja Aliar Husain filed Critical Pricol Ltd
Publication of WO2008093359A2 publication Critical patent/WO2008093359A2/en
Publication of WO2008093359A3 publication Critical patent/WO2008093359A3/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/28—Structurally-combined illuminating devices
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Planar Illumination Modules (AREA)

Abstract

The present invention relates to background luminous for mechanical and/or electrical and/or electronic systems, more specifically related to a light guide (1) of an indicating device for uniform illumination of dial (2) comprises a printed circuit board [PCB (3)] at its center with built-in light emitting diodes [LED(4)].
PCT/IN2008/000058 2007-02-01 2008-01-30 A solid light guide for uniform illumination of dial, a dial background luminous system and a method thereof WO2008093359A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN224CH2007 2007-02-01
IN224/CHE/2007 2007-02-01

Publications (2)

Publication Number Publication Date
WO2008093359A2 WO2008093359A2 (en) 2008-08-07
WO2008093359A3 true WO2008093359A3 (en) 2008-09-25

Family

ID=39674598

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IN2008/000058 WO2008093359A2 (en) 2007-02-01 2008-01-30 A solid light guide for uniform illumination of dial, a dial background luminous system and a method thereof

Country Status (1)

Country Link
WO (1) WO2008093359A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103057466A (en) * 2011-10-18 2013-04-24 上海江森自控汽车电子有限公司 Novel dial plate lighting and indicating device of motormeter

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5047761A (en) * 1989-02-16 1991-09-10 Vdo Adolf Schindling Ag Pointer illuminated instrument
EP0732679A1 (en) * 1995-03-16 1996-09-18 Hayashi Telempu Co., Ltd. Display panel for instruments installed in vehicles
US6409355B1 (en) * 1996-08-10 2002-06-25 Mannesmann Vdo Ag Combination instrument
WO2004102125A1 (en) * 2003-05-13 2004-11-25 Siemens Vdo Automotive Corporation Illumination of gauge indicator scale

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5047761A (en) * 1989-02-16 1991-09-10 Vdo Adolf Schindling Ag Pointer illuminated instrument
EP0732679A1 (en) * 1995-03-16 1996-09-18 Hayashi Telempu Co., Ltd. Display panel for instruments installed in vehicles
US6409355B1 (en) * 1996-08-10 2002-06-25 Mannesmann Vdo Ag Combination instrument
WO2004102125A1 (en) * 2003-05-13 2004-11-25 Siemens Vdo Automotive Corporation Illumination of gauge indicator scale

Also Published As

Publication number Publication date
WO2008093359A2 (en) 2008-08-07

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