G - Physics – 05 – F
Patent
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F
323/10
G05F 1/44 (2006.01) G05F 1/445 (2006.01) H02M 5/297 (2006.01) H02M 7/04 (2006.01) H02M 7/06 (2006.01) H03K 17/28 (2006.01) H03K 17/68 (2006.01)
Patent
CA 1139839
Abstract of the Disclosure A switching circuit for an alternating current line allows the voltage or current coupled from the line to a load circuit to be controlled. Control may be in response to changes in voltage or current coupled as a feedback signal from the load to a switching circuit in the line for applying or terminating alternating current line voltages. In an alternative embodi- ment a switching circuit is initiated at the time alternating current voltages are applied to load and after a predetermined time interval the switching circuit operates to disconnect and lock out the alternating current voltage.
353042
Aspila Kalevi P.
United States (government Of The) Of America As Represented By T
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