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. 19, 1978
Filed:
Aug. 02, 1977
Applicant:
Inventor:
Masana Minami, Kawasaki, JP;
Assignee:
Tokyo Shibaura Electric Co., Ltd., Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
3501 / ; 350-381 ;
Abstract
An optical system for a object illuminating light source includes a phase plate for giving '0'-relative phases or '.pi.'-relative phases to the incident light fluxes to cancel with respect to one another all the interference fringes except for those two light fluxes incident to define a maximum angle.
Minami, Masana. (1978). Optical system for a coherent light illuminating source (U.S. Patent No. 4130348). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4130348
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile