Patent ID: 9704638
Date: 2017-07-11
CPC Classifications: H01F,H02M,H05K

Claim:
1. An output noise reducing device that reduces noise that becomes mixed in an output signal from electronic equipment housed in a metal casing comprising: an output line; and a magnetic material core, wherein: one end of the output line is a connection terminal connected to an output end associated with the electronic equipment, and the other end is an output terminal; the magnetic material core has a through-hole through which the output line is disposed; and electromagnetic coupling from the electronic equipment is separated between the output terminal and at least a part of the magnetic material core on a side close to the output terminal along the output line; the connection terminal of the output line is connected to the output end of the electronic equipment in the metal casing; the output terminal of the output line is disposed outside the metal casing via an opening of the metal casing through which the output line is disposed; and at least a part of the magnetic material core on the side close to the output terminal is positioned outside the metal casing or in the opening of the metal casing.