Patent ID: 7744238

Claim:
An input device having a multi-stage indicating lamp, said input device comprising: a case having a plurality of case perforations and multiple case ribs, wherein each case rib is arranged between two adjacent case perforations; and an electronic lighting module for providing different light signals, and comprising: a printed circuit board having a board hole; a first electronic lighting element arranged on said printed circuit board for emitting first light beams; a second electronic lighting element arranged on said printed circuit board for emitting second light beams; a light guide member comprising a light guide platform, multiple upper light guide posts for guiding said first and second light beams, and multiple lower light guide posts for guiding said first and second light beams, wherein said upper light guide posts are inserted into corresponding case perforations such that said case ribs are embedded into corresponding gaps between adjacent upper light guide posts, and the number of said upper light guide posts is the same as the number of said lower light guide posts; and a light-shielding member arranged between said light guide member and said printed circuit board and comprising multiple channels and a light-shielding rib, wherein said lower light guide posts are inserted into corresponding channels, and said light-shielding rib is received in said board hole.