Method and apparatus for preventing erroneous operation in...

Details Method and apparatus for preventing erroneous operation in... Method and apparatus for preventing erroneous operation in...

H - Electricity

01

H

328/114, 306/304

H01H 13/00 (2006.01) H01H 13/64 (2006.01) H03K 17/78 (2006.01) H03K 17/95 (2006.01) H03K 17/968 (2006.01)

Patent

CA 2015181

ABSTRACT OF THE DISCLOSURE A method and an apparatus for preventing erroneous operation in a non-contact push-button switch. This method is to impress pulse power on a non-contact switch, to discriminate good or bad of the output signal from the switch and to give selectively an operation signal to a driving circuit. Even if an operation output is given from the switch, while the push-button is in OFF state due to trouble of electronic parts constituting a non-contact push-button, no signal which means operation is given from the discrimination circuit and accordingly the OFF state is maintained and unreasonable working of the apparatus or other trouble does not take place.

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