Electrical transmission or interconnection systems – Switching systems – Condition responsive
Reexamination Certificate
2008-01-15
2008-01-15
Sherry, Michael (Department: 2836)
Electrical transmission or interconnection systems
Switching systems
Condition responsive
C307S126000, C307S141000
Reexamination Certificate
active
10947783
ABSTRACT:
A switch circuit for controlling the supply of electrical power from an electrical power source to a load includes a power supply switch comprising input, output and control terminals. The circuit further includes an electronic switching device connected to the control terminal of the power supply switch and having an activating input; a momentary switch coupled to the activating input of the electronic switching device; and a charge storage element coupled to the momentary switch. In a first mode, closing the momentary switch in excess of a triggering time charges the charge storage element and triggers the electronic storage device to turn on the circuit to supply power to the load. In a second mode, closing the momentary switch connects the charge storage element to the electronic switching device to turn off the electronic switching device and the power supply switch, thus interrupting the supply of power to the load.
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Ghee Ting Boon
Makino Jun
Cavallari Daniel
Creative Technology Ltd
Sherry Michael
Swerdon Russell N.
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