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:
Jan. 08, 2002
Filed:
Jan. 11, 1999
Applicant:
Inventors:
Martin Peter Todd, Hayes, GB;
Nigel Johnson, Windlesham, GB;
Assignee:
Central Research Laboratories Limited, Middlesex, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 2/328 ;
U.S. Cl.
CPC ...
G11B 2/328 ;
Abstract
In an arrangement for decoding code labels embedded in audio signals by inserting signal bursts at selected frequencies into notch frequencies in the audio signal, problems of speed variations in the device producing the audio signal creating notch frequency variation are overcome by providing a plurality of decoders in parallel receiving an incoming signal, each decoder having notch frequencies incrementally displaced from those of the other decoders.
Todd, Martin. (2002). Audio signal identification using code labels inserted in the audio signal (U.S. Patent No. 6338037). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6338037
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile