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. 07, 1994
Filed:
Apr. 19, 1993
Manuel F Richey, Paola, KS (US);
Rex A Hand, Gardner, KS (US);
G Byron Stephens, Wellsville, KS (US);
AlliedSignal Inc., Morris Township, Morris County, NJ (US);
Abstract
A seamless frequency hopping system utilizes a programmable digital signal processor with interface circuitry in conjunction with a frequency hopping radio to incorporate the concepts of audio time compression, hop by hop automatic gain control and time repeating squelch to improve the sound of frequency hopped analog communication. Incoming uncompressed audio is first sliced into time segments that each correspond to one frequency hop. The uncompressed audio is then compressed to a certain percentage of its original length in time. A dead time as well as a pilot signal is added to the front of the audio. The processed audio signal is then sent to the radio where it is modulated and broadcast. A second radio receives the incoming signal and demodulates it to once again become an audio signal.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile