Electrical transmission or interconnection systems – Personnel safety or limit control features
Reexamination Certificate
2008-08-20
2010-11-02
Deberadinis, Robert L. (Department: 2836)
Electrical transmission or interconnection systems
Personnel safety or limit control features
Reexamination Certificate
active
07825546
ABSTRACT:
An electrical receptacle to prevent injuries deduced by misoperation is provided in the present invention. The electrical receptacle includes a power socket, a direct current (DC) power supply, a detecting switch, a controller, and a relay form a circuit loop for detecting whether a power plug is inserted into the power socket. The detecting switch is placed under the power socket without any electrical connection with the power socket. A live wire is connected to the power socket via a switch of the relay and a neutral wire is connected to the power socket directly. The switch of the relay closes on condition of the relay is electrified by the DC power supply.
REFERENCES:
patent: 4148536 (1979-04-01), Petropoulsos et al.
patent: 4853823 (1989-08-01), Arechavaleta et al.
patent: 7575467 (2009-08-01), Ferguson et al.
Ding Lin-Kun
Li Zhan-Wu
Tong De-Hua
Wong Shih-Fang
Deberadinis Robert L.
Hon Hai Precision Industry Co. Ltd.
Hong Fu Jin Precision Industry ( ShenZhen) Co., Ltd.
Niranjan Frank R.
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