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:
Jan. 18, 1977
Filed:
Dec. 12, 1975
Applicant:
Inventor:
Bradley H Oland, Oakland, CA (US);
Assignee:
Tinsley Laboratories, Inc., Berkeley, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ; H04N / ;
U.S. Cl.
CPC ...
358 60 ; 358239 ;
Abstract
A plurality of Schmidt optical systems is clustered together by truncating mutually adjacent edges of mirrors and correcting lenses which comprise individual Schmidt systems. By clustering individual systems together, keystone distortion is minimized.
Oland, Bradley. (1977). Truncated schmidt optical systems for projecting color television (U.S. Patent No. 4004093). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4004093
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile