Illumination – Illuminated scale or dial – Edge illuminated modifier or light rod/pipe
Reexamination Certificate
2008-04-21
2010-06-29
O'Shea, Sandra L (Department: 2875)
Illumination
Illuminated scale or dial
Edge illuminated modifier or light rod/pipe
C362S023000, C362S489000, C362S511000, C362S551000, C362S555000
Reexamination Certificate
active
07744230
ABSTRACT:
The present invention relates to illumination of an instrument for displaying information suitable for use in a vehicle. The invention provides an illumination device for an instrument of a vehicle comprising: a substantially Y shaped light guide having a first leg portion a second leg portion and a third leg portion coupled at a junction; an LED coupled to one end of the first portion of the light guide; and in which the second portion and the third portion have an internal peripheral portion and an external peripheral portion, and the second leg portion and the third leg portion are arranged in operation to illuminate a segment of an instrument and each of the second leg portion and third leg portion have first grooves formed along the internal peripheral portion, and second grooves formed along the second peripheral portion. An instrument comprising such an illumination device is also provided.
REFERENCES:
patent: 6979094 (2005-12-01), Venkatram
patent: 7025482 (2006-04-01), Yamashita et al.
patent: 2006/0066250 (2006-03-01), Wang
patent: 2006/0119751 (2006-06-01), Suehiro et al.
patent: 19940849 (2001-03-01), None
patent: 0 498 451 (1992-08-01), None
patent: 0 879 991 (1998-11-01), None
patent: 482595 (1938-03-01), None
patent: 57063469 (1982-04-01), None
patent: 2001281008 (2001-10-01), None
patent: 2006194613 (2006-07-01), None
patent: WO 84/00800 (1984-03-01), None
patent: WO 99/26809 (1999-06-01), None
Mezouari Samir
Roux Benoit
Dunwiddie Meghan K
Fraser Clemens Martin & Miller LLC
Miller J. Douglas
O'Shea Sandra L
Visteon Global Technologies Inc.
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