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:
Apr. 16, 1985
Filed:
Sep. 10, 1982
Applicant:
Inventor:
Yoshiharu Tanaka, Omiya, JP;
Assignee:
Mansei Kogyo Kabushiki Kaisha, Kawaguchi, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350255 ;
Abstract
An optical focussing device for an optical information storage system. A hollow cylindrical holder carries a lens at its upper end. The holder is connected to a frame by two thin plates adjacent each other near the upper end and by one thin plate at a lower position. A vibration diminution element is interposed between the upper pair of plates. Each plate is circular with a central opening and several scroll shaped cuts extending from the opening toward the outside edge.
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Tanaka, Yoshiharu. (1985). Focussing lens operating device (U.S. Patent No. 4511212). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4511212
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile