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:
Sep. 09, 2008
Filed:
Sep. 30, 2004
Applicant:
Ronald Pasqualini, Los Altos, CA (US);
Inventor:
Ronald Pasqualini, Los Altos, CA (US);
Assignee:
National Semiconductor Corporation, Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 7/50 (2006.01);
U.S. Cl.
CPC ...
Abstract
A zero crossing detector employs carry save adders combined with fully pipelined logic to provide two-bit, three-bit or four-bit zero crossing detection. The detector offers the advantages of very high operating speed, very low power dissipation, low adder cell count and reduced chip area.