Protection device, protection method using the same, method...

Details Protection device, protection method using the same, method... Protection device, protection method using the same, method...

2007-06-21

2011-11-15

Barnie, Rexford (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific quantity comparison means

C361S086000, C361S087000, C361S093800

Reexamination Certificate

active

08059377

ABSTRACT:
A protection device detects a temperature in a predetermined monitoring place in an electronic apparatus3to protect the electronic apparatus3, and includes an oscillating circuit20for generating a clock signal Vck having a predetermined cycle and a predetermined ON time, and a temperature detection circuit16for detecting the temperature in the monitoring place during the ON time of the clock signal Vck. The protection device shuts off supply of electric power to the electronic apparatus3, when the temperature in the monitoring place exceeds a predetermined temperature.

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