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:
Jul. 11, 2006
Filed:
Dec. 15, 2003
Applicants:
Lawrence G. Pearce, Palm Bay, FL (US);
Donald F. Hemmenway, Melbourne, FL (US);
Inventors:
Lawrence G. Pearce, Palm Bay, FL (US);
Donald F. Hemmenway, Melbourne, FL (US);
Assignee:
Intersil Americas Inc., Milpitas, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H03F 21/00 (2006.01); H03F 3/38 (2006.01); H03F 3/217 (2006.01); H04R 3/00 (2006.01); H01L 29/76 (2006.01);
U.S. Cl.
CPC ...
Abstract
A monolithicis mounted in a speaker cabinetto drive the voice coilof the speakerThe monolithic integrated circuit may be a class D amplifierand is at least a half-bridge or full bridge power MOSFET device. Structures and process for forming the mos switching devicesof the bridge driver circuits are disclosed. Also disclosed is the N+ buried layerof the QVDMOS transistorsof the bridge circuits.