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. 18, 1978
Filed:
Jun. 25, 1976
Applicant:
Inventors:
Raymond Peltier, 75016 Paris, FR;
Jean-Paul Meric, 75015 Paris, FR;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09F / ; B06Q / ; G03B / ;
U.S. Cl.
CPC ...
40560 ; 340103 ; 353 97 ; 40582 ; 40612 ;
Abstract
An illuminated display apparatus includes a laser projector and a retro-reflective screen onto which the beam from the laser projector is projected. A beam deflection device may be disposed between the projector and the screen. The beam deflection device may be associated with a modulator for modulating the intensity of the light beam. A beam spreader and a mask may be substituted for the deflection device and modulator, the shadow of the mask appearing on the screen.
Peltier, Raymond. (1978). Illuminated display apparatus (U.S. Patent No. 4084339). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4084339
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile