Protection device and a method that detect electricity

Details Protection device and a method that detect electricity Protection device and a method that detect electricity

2006-11-17

2010-10-05

Wachsman, Hal D (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Electrical signal parameter measurement system

C702S058000, C702S059000, C702S080000, C361S001000

Reexamination Certificate

active

07809515

ABSTRACT:
A protection device for detecting electricity is composed of a control unit, a set of input ends for sampling, a display unit, an acoustic signal generating unit, and a power unit. The aforementioned control unit includes a microprocessor (CPU), a clock pulse wave generator, a first memory, a second memory, an input/output port, and a timer. The microprocessor processes defects in sampled electrical data, such as voltage and current, to display power consumed and accumulated time of use, such that a user can be aware of the electricity information at any time for preparation. The sampled data are compared with each setting value pre-stored in the second memory, and if any one of the data exceeds the setting value, the microprocessor will output a warning signal or shut down the power, to maintain safety.

REFERENCES:
patent: 5629826 (1997-05-01), Roca et al.
patent: 5835326 (1998-11-01), Callaway
patent: 5962932 (1999-10-01), Matlo
patent: 6204747 (2001-03-01), Kitchens

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