Apparatus and method for indicating onset of high-voltage at...

Details Apparatus and method for indicating onset of high-voltage at... Apparatus and method for indicating onset of high-voltage at...

2007-09-04

2007-09-04

Nguyen, Tai (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S660000, C340S661000, C340S663000, C340S539210, C340S593000, C323S209000, C323S222000, C323S282000, C323S288000

Reexamination Certificate

active

11070546

ABSTRACT:
An apparatus for indicating detection of an onset of a high-voltage condition at an output locus of a signal converter device, the signal converter device including a switching network for switchingly controlling a potential at a circuit node coupled with the output locus in response to a control signal received from a control signal source, includes: (a) a first sensing unit coupled for sensing a parameter at the circuit node; (b) a second sensing unit coupled for sensing the control signal; and (c) a comparing device coupled with the first sensing unit and with the second sensing unit; the comparing device effecting comparison of a first signal from the first sensing unit with a second signal from the second sensing unit. The comparing device effects the detection when the first and second signals have a predetermined relationship, then the apparatus effects the indicating.

REFERENCES:
patent: 5808883 (1998-09-01), Hawkes
patent: 6583610 (2003-06-01), Groom et al.
patent: 7034586 (2006-04-01), Mehas et al.

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