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. 07, 2017
Filed:
Nov. 11, 2008
Charles A. Sellers, Houston, TX (US);
Charles A. Sellers, Houston, TX (US);
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
Interface apparatus and methods are provided. The interface can include a keyboard () containing one or more keys (), each having a key base and a key top. A light guide () having an edge (), a first surface () and a second surface () can be disposed proximate the base of all or a portion of the plurality of keys. The light guide can have a plurality of apertures () disposed therethrough, with each aperture corresponding to the location of each of the one or more keys. One or more dispersion features () can be disposed in, on, or about each of the one or more apertures to transmit at least a portion of the light from the light guide to the base of each key.