Electrical connectors – With supporting means for coupling part – Outlet box
Reexamination Certificate
2011-08-16
2011-08-16
Trans, Xuong Chung (Department: 2833)
Electrical connectors
With supporting means for coupling part
Outlet box
C439S536000, C174S066000, C363S146000
Reexamination Certificate
active
07997925
ABSTRACT:
A multifunctional wall socket related to electrical conduction connecting device, comprising socket cover (1) with a conventional power connector (2) and a USB port (3) arranged on the socket cover. The USB port (3) is connected to the output terminals of an AC-DC conversion module (4) arranged on the socket cover (1). The AC-DC conversion module (4) comprises a rectifier filter module (41), modulation step-down module (42), current sampling and protection module (43), voltage reference module (44) and feedback control module (45). A first safety shutter (6) which can be opened or closed in arranged at the USB port (3) on the socket cover (1), or a second safety shutter (7) which can be opened or closed is arranged at the conventional power connector (2).
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Chan Tak On
Lam Chung Man
Ng Kwan Mo
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