Pressed key structure with lighting module

Details Pressed key structure with lighting module Pressed key structure with lighting module

2008-04-01

2008-04-01

Husar, Stephen F (Department: 2875)

Illumination

Illuminated scale or dial

Internal light source

C362S030000, C200S314000

Reexamination Certificate

active

11142350

ABSTRACT:
The present invention concerns to a press key structure with a light module in use of illuminant variation for arrow keys of an appliance. The press key structure with light module comprises a key base plate, a light source, a spread slice and a light guiding cap. The light guiding cap includes a crown part, a chamber, and a mouth part that is set on the key base plate and can exactly cover up the above light source. The spread slice is set in the chamber of the light guiding cap so that the light is evenly spread through the light guiding function of the spread slice. Moreover, by adjusting the thickness, transparency, and inside cambered surface of the spread slice, or the distance between the spread slice and the light source, the light guiding property thereof can be modulated.

REFERENCES:
patent: 4343975 (1982-08-01), Sado
patent: 4908485 (1990-03-01), Honda et al.
patent: 6210010 (2001-04-01), Pontetti et al.

Affiliated with

Also associated with

Rating

Pressed key structure with lighting module does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pressed key structure with lighting module, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pressed key structure with lighting module will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3919601