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:
Dec. 22, 1987
Filed:
Feb. 27, 1985
Applicant:
Inventors:
Masayuki Usui, Yokohama, JP;
Hiroyuki Imataki, Kawasaki, JP;
Takashi Serizawa, Yokohama, JP;
Takeshi Baba, Yokohama, JP;
Hiroyasu Nose, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350485 ; 350360 ;
Abstract
Optical modulation is carried out by providing a transparent member having a surface, providing an elastomeric body disposed spaced apart from the surface, irradiating the surface with a light beam, and causing the elastomeric body to contact the surface so that the proportion of the light beam transmitted through the surface is changed.
Usui, Masayuki. (1987). Method and element for optical modulation (U.S. Patent No. 4714326). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4714326
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile