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:
Aug. 05, 2008
Filed:
Dec. 07, 2004
Applicant:
Thomas H. Szolyga, Saratoga, CA (US);
Inventor:
Thomas H. Szolyga, Saratoga, CA (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G10H 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A keyboard provides an analog sound signal for a sound producing device. The keyboard includes an interface circuit that couples the keyboard to a digital sound source through a universal serial bus (USB) cable. The keyboard further includes an audio rendering circuit that receives digital sound samples from the interface circuit and converts the digital sound samples to an analog sound signal and a connector coupled to the audio rendering circuit that is configured to couple the analog sound signal to a sound producing device.