Plane heating element without electromagnetic waves and a manufacturing method thereof
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jun 5, 2001
Grant Date -
N/A
app pub date -
Feb 3, 2000
filing date -
Oct 31, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed is a plane heating element and a manufacturing method thereof, particularly the plane heating element without external electromagnetic waves and a manufacturing method thereof, wherein magnetic fields formed by the currents that flow through heat generation lines and an input terminal are eliminated to thus get rid of electromagnetic frequencies(EMF) harmful to the human body. The present invention to achieve the above purpose comprises: an upper input terminal and a lower input terminal in which each upper wires and lower wires are spaced apart at a predetermined interval, and the currents through respective wires flow oppositely to each other; first heat generation wires connected to the upper input terminal at predetermined spaced intervals and having the same directed current flow as that of the upper input terminal; and second heat generation wires connected to the lower input terminal at spaced intervals and having the oppositely directed current flow to that of the first heat generation wires.
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