Keypad device and related input device for an electronic device

Details Keypad device and related input device for an electronic device Keypad device and related input device for an electronic device

2011-03-15

2011-03-15

O Shea, Sandra L (Department: 2875)

Illumination

Plural light sources

With modifier

C362S027000, C362S228000, C362S231000, C362S613000, C362S618000

Reexamination Certificate

active

07905627

ABSTRACT:
A keypad device for an electronic device includes a substrate, a first light-emitting device coupled to the substrate for generating a first colored light source, a second light-emitting device coupled to the substrate for generating a second colored light source different from the first colored light source, a first transparent board made of a translucent material of a first color for displaying a first symbol, a second transparent board made of a translucent material of a second color, for displaying a second symbol, and a transparent film deployed on the first transparent board and the second transparent board. The first color is a complementary color of the color of the first colored light source, and the second color is a complementary color of the color of the second colored light source.

REFERENCES:
patent: 5276591 (1994-01-01), Hegarty
patent: 6761462 (2004-07-01), Yoshida
patent: 7002649 (2006-02-01), Yuuki et al.
patent: 2007/0046502 (2007-03-01), Jan
patent: 200307443 (2003-12-01), None
Office action mailed on Nov. 23, 2010 for the Taiwan application No. TW096134094, p. 2 line 4˜26, p. 3 line 1˜26, p. 4 line 1˜26, p. 5 line 1˜26, p. 6 line 1˜26, p. 7 line 1˜26, p. 8 line 1˜26, p. 9 line 1˜26, p. 10 line 1˜26, p. 11 line 1˜26, p. 12 line 1˜26, p. 13 line 1˜18 and line 20˜21.

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