Illumination – Illuminated scale or dial – Internal light source
Reexamination Certificate
2006-08-22
2006-08-22
Alavi, Ali (Department: 2875)
Illumination
Illuminated scale or dial
Internal light source
C362S026000, C362S027000
Reexamination Certificate
active
07093948
ABSTRACT:
A display device with a face, a pointer, a drive unit, a light guide, a housing member, a first light source and a plurality of second light sources. The face has translucent face indicia and a plurality of translucent indicators. The pointer is disposed on a front side of the dial face and is driven by an output shaft of the drive unit. The light guide, which is disposed rearwardly of the dial face and surrounds the output shaft, includes a guide structure into which a plurality of circumferentially spaced apart apertures are formed. Each of the apertures are aligned to an associated one of the indicators. The housing member is disposed rearwardly of the light guide and includes a plurality of light tunnels, each of which extending into an associated one of the apertures. The first light source disposed rearwardly of the light guide and disposed about the output shaft. The second light source having a plurality of lamps, each of which being disposed in a corresponding one of the light tunnels and being operable for transmitting light through the corresponding one of the light tunnels and illuminating a corresponding one of the indicators.
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Dehmlow Brian
Fong Ching
Harness & Dickey & Pierce P.L.C.
Sawhney Hargobind S.
Yazaki North America, Inc.
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