Electricity: electrical systems and devices – Miscellaneous
Patent
1990-01-31
1992-07-28
Picard, Leo P.
Electricity: electrical systems and devices
Miscellaneous
358 98, 174 35R, H05K 900
Patent
active
051345471
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.
REFERENCES:
patent: 3493760 (1970-02-01), Hoadley
patent: 4232359 (1980-11-01), Leon et al.
patent: 4291961 (1981-09-01), Takayama
patent: 4711979 (1987-12-01), Glasser et al.
patent: 4831211 (1989-05-01), McPherson et al.
Ledynh Bot L.
Olympus Optical Co,. Ltd.
Picard Leo P.
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