The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 26, 1988

Filed:

Oct. 15, 1986
Applicant:
Inventor:

Kouichi Yamaguchi, Nagaokakyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03H / ;
U.S. Cl.
CPC ...
333181 ; 333185 ; 361399 ; 361401 ; 439620 ;
Abstract

The metal case has an opening, which includes a first portion for accommodating an inlet socket, and a second portion of a box-shaped form with a bottom for arranging filter components therein. On a rear side of the metal case, there is provided a printed circuit board which includes a first portion for mounting the inlet socket, and a second portion for mounting the filter components corresponding to the first portion and second portion of the metal case, respectively. An earth portion of the filter components contact the metal case, whereas the other portions of the filter components are mounted to the printed circuit board without contacting the metal case. On the printed circuit board, terminals protruding from the rear side thereof are provided. Surrounding the second portion of the metal case, there is installed a resin case with a bottom in which holes corresponding to the terminals are formed to lead out the terminals therethrough. The printed circuit board is contained in the resin case and fixed therein. On a peripheral edge of the metal case, metal tongues are formed so as to extend outwardly and, the metal tongues are secured directly to a chassis of an apparatus by means of screws.


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