Patent ID: 6217183
Filing Date: 2001-04-17
Classification: G06F,H01H

Abstract:
A lighted computer keyboard comprising:a keyboard housing;a plurality of key members constructed of a substantially hard non-deformable material, said key members depressably positioned within said keyboard housing, said plurality of key members also including at least twenty-six key members having letters displayed thereon;an elastic diaphragm underlying said key members for biasing said key members in an upward direction;a circuit board underlying said plurality of key members and said elastic diaphragm, said circuit board being operational to produce signal in response to depression of said key members; anda luminescent planar sheet for producing light, said luminescent planar sheet positioned between said plurality of key members and said elastic diaphragm, and being optically connected to said key member so as to permit the transmission light to at least some of said plurality of key members, said luminescent planar sheet also including a plurality of holes underlying said key members for permitting said key members to engage said elastic diaphragm.