Electrostatic discharge circuit

Details Electrostatic discharge circuit Electrostatic discharge circuit

2006-01-17

2006-01-17

Leja, Ronald (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Load shunting by fault responsive means

Reexamination Certificate

active

06987654

ABSTRACT:
A circuit includes at least one input node, at least one output node, a signal conditioning circuit, and an electrostatic discharge (ESD) circuit. The signal conditioning circuit is characterized by a transfer function and adapted to receive input signals from and provide conditioned output signals to the input and output node(s), respectively. The signal conditioning circuit processes the input signal and outputs the conditioned output signal as a function of the transfer function. The ESD protection circuit is adapted to the signal conditioning circuit (i) to suppress electrostatic discharge signals applied to at least one of the input or output node(s) to levels electrically non-destructive to the signal conditioning circuit and (ii) to interact with the signal conditioning circuit in a manner substantially maintaining the transfer function.

REFERENCES:
patent: 4085349 (1978-04-01), Farstad
patent: 5517183 (1996-05-01), Bozeman, Jr.
patent: 5539598 (1996-07-01), Denison et al.
patent: 5903415 (1999-05-01), Gill
patent: 6091082 (2000-07-01), Thomas et al.
patent: 6259573 (2001-07-01), Tsuwako et al.
patent: 6445039 (2002-09-01), Woo et al.

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