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:
Nov. 17, 1992
Filed:
Jul. 30, 1990
Applicant:
Inventors:
James J Vitt, Dunedin, FL (US);
Allen L Fulmer, Clearwater, FL (US);
Daozheng Lu, Buffalo Grove, IL (US);
Assignee:
A. C. Nielsen Company, Northbrook, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358335 ; 360 331 ; 395 22 ;
Abstract
A method and apparatus are provided for identifying one of a plurality of operational modes of a monitored video cassette recorder (VCR). A sensor is positioned near the monitored VCR for detecting a radiated signal of the monitored VCR. The detected signal is appplied to a filter for filtering the detected signal and for providing a plurality of predetermined band-pass filtered signals. A neural network is used for processing the plurality of predetermined band-pass filtered signals to identify the operational mode of the VCR.