Method of detecting voltage transients

Details Method of detecting voltage transients Method of detecting voltage transients

1992-06-04

1995-05-09

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Synchronizing

327312, 327545, H03L 502

Patent

active

054143780

ABSTRACT:
A method and apparatus is provided for resetting an electronic device in response to a voltage transient. The apparatus implements the method steps of detecting the transient at an input to, and receiving an output from, a voltage sensing circuit in response to the transient. The method also includes the step of providing an electronic device reset signal at the output of the voltage sensing device by clamping the input of the voltage sensing circuit to the output of the voltage sensing circuit through an interconnected positive feedback clamping capacitor. Timing capacitors are used to extend the duration of the reset pulse.

REFERENCES:
patent: 4056735 (1977-11-01), Caswell
patent: 4563596 (1986-01-01), Gosselin et al.
patent: 4618770 (1986-10-01), Maile
patent: 4849662 (1989-07-01), Holberg et al.

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