The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 18, 1992
Filed:
Dec. 14, 1990
Mike H Okamura, Boise, ID (US);
Hewlett-Packard Company, Palo Alto, CA (US);
Abstract
An overlay is described for a keyboard wherein the keyboard includes a plurality of convex, depressible keys that extend above openings in a panel surface, each key having an associated function indication. The overlay comprising a molded plastic, planar member sized to cover substantially the extent of the keyboard, and having both keyboard and user sides. The keyboard side exhibits a plurality of waffle-like convex chambers created by orthogonal intersecting walls, each convex chamber surrounding a corresponding key and having a resilient ceiling member positioned over the key. When the resilient ceiling member is depressed by a user, the underlying key is likewise depressed and actuated. The user side of selected ones of resilient ceiling members, indicate modified key functions.