Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1974-11-11
1976-04-27
Olms, Douglas W.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307 88R, 340253Q, H04M 300
Patent
active
039536823
ABSTRACT:
A loop current detector for detecting current flowing in a pair of telephone wires comprises:
REFERENCES:
patent: 3138720 (1964-06-01), Glore
patent: 3183498 (1965-05-01), Midis et al.
patent: 3390235 (1968-06-01), Diggelmann et al.
patent: 3851108 (1974-11-01), Freimanis
Daniels Douglas Lee
Ochs Garrold W.
Haefliger William W.
Olms Douglas W.
The Anaconda Company
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