Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific current responsive fault sensor
Patent
1976-09-21
1978-05-02
Claffy, Kathleen H.
Electricity: electrical systems and devices
Safety and protection of systems and devices
With specific current responsive fault sensor
361210, H04M 322
Patent
active
040876446
ABSTRACT:
The disclosure relates to a dial impulse relay circuit including a three-winding relay which repeats a pulse train generated by a first circuit onto a second circuit with substantially no pulse ratio distortion.
REFERENCES:
patent: 2224701 (1940-12-01), Saville et al.
patent: 3529098 (1970-09-01), Chapman
patent: 3551754 (1970-12-01), Shaffer
patent: 3665109 (1972-05-01), Shaffer
patent: 3676601 (1972-07-01), Shaffer
patent: 3715511 (1973-02-01), Shaffer
patent: 3842323 (1974-10-01), Harris et al.
Claffy Kathleen H.
Myers Randall P.
Nippon Tsu Shin Kogyo K.K.
TIE Communications, Inc.
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