Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific quantity comparison means
Patent
1997-12-01
1999-06-15
Gaffin, Jeffrey
Electricity: electrical systems and devices
Safety and protection of systems and devices
With specific quantity comparison means
361 91, 361 93, H02H 318
Patent
active
059127937
ABSTRACT:
A device and method for protecting a CPU from being broken down by overrating voltage or overrating current. The means for protecting the CPU are to detect the working voltage and working current provided to the CPU, to compare the working voltage and working current with the voltage and current settings, and to determine whether overrating voltage or/and overrating current is generated. If overrating voltage or/and overrating current occurs, a control signal is sent to the soft switch of an ATX power supply, a first switch, or a second switch in the device in order to cut the supplying route of the power supply. Therefore, the CPU is not broken down due to overrating voltage or/and overrating current. Detection means for detecting the breakdown of a switch-type stabilizing controller of the power supply to the CPU is also provided.
REFERENCES:
patent: 4803592 (1989-02-01), Ashley
patent: 5691870 (1997-11-01), Gebara
Gaffin Jeffrey
Micro-Star Internationa'l Co., Ltd.
Sherry Michael J.
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