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:
Jul. 05, 1977
Filed:
Jul. 14, 1976
Applicant:
Inventor:
Henry J Tancredi, Gwynedd, PA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ; G02B / ; G03B / ;
U.S. Cl.
CPC ...
353-7 ; 350120 ; 350122 ; 350128 ; 350131 ; 352 61 ; 353 78 ;
Abstract
In an apparatus for viewing an enlarged image there are provided means adapted to project an image onto a reflective surface which in turn projects the image onto a moving screen. The angle of projection of the image onto the screen is maintained less than 10.degree. from normal to avoid distortion. The moving screen comprises a flexible laminate having at least a lenticular like surface and a highly reflective surface which is rotated at high speeds causing the screen to assume a very flat plane of rotation without vibration.
Tancredi, Henry. (1977). Image viewing apparatus (U.S. Patent No. 4033683). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4033683
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile