Abstract: An electric plug is disclosed which includes a detection circuit, which detects electric current and voltage and removes high frequency noises from power supply; an electric energy measuring and converting circuit, which receives detected signal from the detection circuit and outputs a corresponding electric energy signal; a microprocessor, which proceeds with electric energy signal processing, time counting and data storing processes according to the electric energy signal received from the electric energy measuring and converting circuit; a DC power supply circuit, which provides the necessary working voltage to the electric energy measuring and converting circuit and the microprocessor; and an LCD circuit, which displays electric energy and time data.
Type:
Grant
Filed:
July 21, 2005
Date of Patent:
August 29, 2006
Assignee:
Joseph Technology Co., Ltd.
Inventors:
Cheng-Liang Lee, Chien-Chih Chen, Li-Hung Kuo
Abstract: An electric plug is disclosed which includes a detection circuit, which detects electric current and voltage and removes high frequency noises from power supply; an electric energy measuring and converting circuit, which receives detected signal from the detection circuit and outputs a corresponding electric energy signal; a microprocessor, which proceeds with electric energy signal processing, time counting and data storing processes according to the electric energy signal received from the electric energy measuring and converting circuit; a DC power supply circuit, which provides the necessary working voltage to the electric energy measuring and converting circuit and the microprocessor; and an LCD circuit, which displays electric energy and time data.
Type:
Application
Filed:
July 21, 2005
Publication date:
February 16, 2006
Applicant:
JOSEPH TECHNOLOGY CO., LTD.
Inventors:
Cheng-Liang Lee, Chien-Chih Chen, Li-Hung Kuo