Electricity: electrical systems and devices – Control circuits for electromagnetic devices – Systems for magnetizing – demagnetizing – or controlling the...
Patent
1976-06-04
1977-08-09
Moose, Jr., Harry E.
Electricity: electrical systems and devices
Control circuits for electromagnetic devices
Systems for magnetizing, demagnetizing, or controlling the...
H01H 4704
Patent
active
040415465
ABSTRACT:
A circuit for applying a driving voltage to an inductive load for a period of time sufficient to increase the current in the load to a maximum desired level, and for disconnecting the driving voltage for fixed intervals between each application so as to maintain the level of current flow through the inductive load below the maximum desired level so as to permit the application of a high drive voltage without causing excessive heating in the inductor.
REFERENCES:
patent: 3237088 (1966-02-01), Karp et al.
patent: 3549955 (1970-12-01), Paine/Crawford
patent: 3579052 (1971-05-01), Kato
patent: 3786314 (1974-01-01), Misch
patent: 3896346 (1975-07-01), Ule
Cavender J. T.
Moose Jr. Harry E.
NCR Corporation
Sessler Jr. Albert L.
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