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:
Oct. 30, 1990
Filed:
Jun. 08, 1988
Applicant:
Inventors:
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360 9702 ; 360137 ; 236 / ;
Abstract
Apparatus for regulating the humidity inside a semi-sealed, partly air-permeable container for a magnetic disk drive. An opening provided in the semi-sealed container is sealed by an insulated humidity regulating element which includes a hydrogen ion conductor (which may be a solid electrolyte) and porous film-like first and second electrodes that are bonded to respective surfaces of both sides of the hydrogen ion conductor. A DC voltage is impressed across both electrodes to regulate the humidity.