Surge detection circuit

Details Surge detection circuit Surge detection circuit

2006-06-09

2009-06-30

Leja, Ronald W (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

Reexamination Certificate

active

07554784

ABSTRACT:
A surge detection circuit for determining that the characteristics of an internal circuitry of a chip have deteriorated by surges applied from a sensor to the chip and generating a warning signal. The surge detection circuit is connected to an input terminal and includes a surge detector for detecting surge applied to the input terminal and generating an output signal showing the detection result. A determination unit determines that the characteristics of the input circuit have deteriorated based on the output signal of the surge detector and generates a warning signal based on the determination result.

REFERENCES:
patent: 5914662 (1999-06-01), Burleigh
patent: 6879478 (2005-04-01), Mendoza et al.
patent: 6-303445 (1994-10-01), None
patent: 2004-23576 (2004-01-01), None

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