G - Physics
05
B
342/11.1
G05B 24/02 (2006.01) G08B 13/14 (2006.01) G08B 25/06 (2006.01)
Patent
CA 1335606
A security device for an electrical appliance deriving input from an electrically connected external source is disclosed. The device is the combination of an encoder- transmitter for encoding the external source with a predetermined code and a receiver-decoder which is adapted and arranged to allow the appliance to operate in its normal mode when the receiver decoder receives the predetermined code. The receiver-decoder is further adapted such that it will not allow the appliance to operate in its normal mode when the predetermined code is not received.
559983
Bisak Michael
Cole Walter
Dudek Michael
Oyen Wiggs Green & Mutala Llp
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