Electrical Plug

Details Electrical Plug Electrical Plug

1997-04-24

1998-07-07

Wong, Peter S.

Electric power conversion systems

Current conversion

Encased in plug housing

363 53, 363126, 439620, H02M 100, H02M 706, H02H 1125, H01R 1366

Patent

active

057778680

ABSTRACT:
A plug is diclosed that is adapted to be inserted into a standard electrical outlet and has a built-in integrated circuit for rectifying the alternating current received from the outlet and limiting the direct current produced. The plug is specifically suited for low-current, low-voltage applications such as supplying DC to a string of ornamental lights. The integrated circuit has a diode with a modified cathode that acts as a fuse as it is rectifying the alternating current. The cathode is formed of a plurality of electrically parallel conductors. Excessive current blows out at least some of these conductors in the same way a conventional fuse blows. Various embodiments add other current-limiting elements, elements for producing full wave or near full wave rectification, and for opening the circuit when they detect extraneous currents.

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