Electrical transmission or interconnection systems – Switching systems – Condition responsive
Patent
1984-10-15
1988-03-15
Shoop, Jr., William M.
Electrical transmission or interconnection systems
Switching systems
Condition responsive
307 38, 307113, 307115, H01H 4700
Patent
active
047315490
ABSTRACT:
Presented is a current sensor and control device which when connected into a 120 Volt AC circuit senses that alternating current is present in the circuit and controls the application of such current in such manner that electric power cannot be drawn unless the sensor senses that a load is being imposed on the alternating current circuit.
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"Hifi Auto-Switch", by Electronic, Australia (Mar. 1980), vol. 41, No. 12.
Ip Paul
Shoop Jr. William M.
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