Patent ID: 7266194
Filing Date: 2007-09-04
Classification: H01H

Abstract:
1. A self-lighting type push-button input device comprising: a button base portion formed of resin in a generally plate shape, a plurality of spring portions formed of a rubbery resin so as to permit a stroke motion thereof relative to said button base portion, a plurality of push-button portions provided on top of said spring portions respectively, and a light source, wherein a portion of said button base portion which permits distribution of light at least from an outer edge portion to all of said spring portions and said push-button portions is formed as a light conducting portion using a transparent resin, said light source is disposed face to face with said outer edge portion in said light conducting portion, and said spring portions are formed integrally with said light conducting portion by integral molding with use of a light diffuse-transmittable rubbery resin.