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. 02, 1982
Filed:
Apr. 09, 1981
Waymon A Melvin, Jr, St. Mathews Township, Wake County, NC (US);
Westinghouse Electric Corp., Pittsburgh, PA (US);
Abstract
A communication system for a three-phase power distribution network is comprised of a plurality of remote devices, with certain of the remote devices being used as signal repeaters. Injection point circuitry provides an out-going communication signal which is coupled to the three-phase conductors such that each phase conductor carries an identical, independent, outgoing communication signal. The signal repeaters are each coupled to at least two of the three-phase conductors. Each signal repeater includes circuitry for producing a composite signal in response to the coupled signals. The composite signal has a signal-to-noise ratio typically superior to, but not worse than, the signal-to-noise ratio of the best of the coupled signals. The remainder of the remote devices are independently coupled to at least one of the three-phase conductors so as to facilitate communication with each of the remote devices.