Communications: electrical – Digital comparator systems
Patent
1976-12-09
1978-05-23
Yusko, Donald J.
Communications: electrical
Digital comparator systems
340168S, 340170, 328 48, 325323, H04Q 900, H04B 100
Patent
active
040913619
ABSTRACT:
A redundant digital address and function code, received through an a.c. power distribution circuit, is decoded in a carrier current receiver to perform a predetermined control function. A high degree of immunity to spurious signals is achieved by delaying performance of the function until the correct address portion of the transmitted word has been received at least two times out of three. This increases the likelihood that only the intended function will be performed at only the intended address.
REFERENCES:
patent: 3631398 (1971-12-01), Houghton
patent: 3863215 (1975-01-01), McGrogan, Jr.
patent: 3943305 (1976-03-01), Hagedorn
patent: 3973242 (1976-08-01), Field et al.
patent: 3980956 (1976-09-01), Woolling, Jr.
patent: 4006462 (1977-02-01), Podowski et al.
patent: 4014002 (1977-03-01), Tucker
patent: 4021741 (1977-05-01), Collins et al.
Eichelberger Charles W.
Garratt Philip M.
Cohen Joseph T.
General Electric Company
Snyder Marvin
Squillaro Jerome C.
Yusko Donald J.
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