Power supply device having overcurrent protection function...

Details Power supply device having overcurrent protection function... Power supply device having overcurrent protection function...

2005-11-29

2005-11-29

Leja, Ronald (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Impedance insertion

Reexamination Certificate

active

06970338

ABSTRACT:
By using a plurality of diodes and resistors, an overcurrent protector is implemented in a power supply device that supplies drive power to a peripheral device. The overcurrent protector blocks drive power from a power supply source from being supplied to the peripheral device when an overcurrent is applied from the power supply device to the peripheral device. The diodes and resistors are incorporated into the power supply device to form the circuit thereof. Since the power supply device is not added with a separate circuit for preventing an overcurrent from being applied to the peripheral device, there is no increase in the cost due to additional parts used for implementing the separate circuit. Since a smaller number of parts are used to implement the overcurrent protector, it is easy to design the device, while preventing a decrease in the reliability due to errors in the additional parts.

REFERENCES:
patent: 5986442 (1999-11-01), Abe et al.
patent: 8-317545 (1996-11-01), None

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