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:
Apr. 01, 2008
Filed:
Feb. 16, 2005
Applicants:
Richard J. Evans, Clifton, GB;
Martin G. Vickers, Cotham, GB;
Simon T. Smith, Westbury-on-Trym, GB;
Inventors:
Assignee:
Broadcom Corporation, Irvine, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
G01R 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A system and a method are presented for detecting the presence of at least one clock signal of a defined clock frequency applied to at least one input port of an integrated circuit system, wherein the a first number M of clock pulses related to the at least one clock signal within a predefined cycle period is counted and the counted first number M of clock pulses is compared with a reference number. Depending on the result of the comparison the presence of the at least one clock signal is detected or not.