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.
Patent No.:
Date of Patent:
Jul. 28, 1992
Filed:
Jan. 31, 1990
Applicant:
Inventor:
Kazufumi Takamizawa, Tokyo, JP;
Assignee:
Olympus Optical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K / ;
U.S. Cl.
CPC ...
361424 ; 358 98 ; 174 / ;
Abstract
An electric apparatus reducing the radiation of electromagnetic wave noise according to this invention includes an inner case in which an electromagnetic wave generating source is housed an a first opening for replacing the electromagnetic wave generating source is formed. An inner door is kept conductive with the inner case and closes the first opening to enclose the electromagnetic wave generating source together with the inner case. A case houses the inner case and has a second opening for replacing the electromagnetic wave generating source and an opening and closing door for closing the second opening.