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公开(公告)号：CA2104587A1
公开(公告)日：1992-08-22
申请号：CA2104587
申请日：1991-12-20
Applicant: TYPERIGHT KEYBOARD CORP
Inventor： LOUIS WILLIAM M , SNODGRASS JAMES M
Abstract: A membrane keyboard (10, 110) producing audible (94, 187) and tactile (80, 182) responses when individual character keys are depressed. To facilitate typing efficiency, the keyboard has membrane characters keys with different transverse heights and adjustable sensory responses (84, 184).
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