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Title:
NOISE ABSORBING FILTER
Document Type and Number:
Japanese Patent JPS59200517
Kind Code:
A
Abstract:

PURPOSE: To form an inexpensive noise absorbing filter of simple structure which is manufactured easily by surrounding a core conductor for feeding electric power with an external conductor through an insulator inbetween.

CONSTITUTION: The noise absorbing filter 1 consists of a core conductor 2 through which a current flows, an insulator 3 which covers and insulates the conductor 2, and an external conductor 4 which surrounds the conductor 2 through the insulator 3 inbetween. Consequently, a necessary current of commercial frequency passes through the external conductor 4 without fail, so a sound- insulating pulsating surge voltag superposed thereupon disappears and a sound- insulating pulsating surge voltage fed back from an output side is eliminated, so neither voltage is supplied to the outut side. Thus, the inexpensive noise absorbing filter of simple structure which is manufactured easily is formed.


Inventors:
OOTOSHI TOYOHIKO
Application Number:
JP1983000074819
Publication Date:
November 13, 1984
Filing Date:
April 27, 1983
Export Citation:
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Assignee:
OOTOSHI TOYOHIKO
International Classes:
H03H7/01; H03H1/00; H04B1/10; (IPC1-7): H03H7/01
Domestic Patent References:
JP37018513A