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:
Jun. 19, 1984
Filed:
Aug. 30, 1982
Arman V Dolikian, Palatine, IL (US);
Motorola, Inc., Schaumburg, IL (US);
Abstract
The invention is a decoder for decoding serially received signals. The decoder includes circuitry for calculating the period of each signal in a group of the serially received signals. The decoder averages the periods of the group and calculates the groups average variance. Additional circuitry in the decoder calculates an average variance threshold. Detection circuitry within the decoder takes the average period, the average variance and the average variance threshold of the group of signals and produces a detection signal when the average period remains constant and the average variance remains below the average variance threshold for a predetermined minimum time period.