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. 16, 2013
Filed:
Feb. 17, 2009
Kyoichiro Masuda, Minato-ku, JP;
Motoya Iwasaki, Minato-ku, JP;
Kyoichiro Masuda, Minato-ku, JP;
Motoya Iwasaki, Minato-ku, JP;
NEC Corporation, Tokyo, JP;
Abstract
A pattern detection circuit for performing pattern detection on input signals from a communication terminal, includes a frequency domain transformer that transforms input signals into frequency domain signals; a frequency extractor that extracts frequency components of the frequency domain signals; and a pattern detector that performs the pattern detection on the input signals based on cross-correlation values in frequency domain between the extracted frequency components and predetermined patterns.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile