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. 02, 1980
Filed:
Oct. 23, 1978
Applicant:
Inventor:
Roger H Appeldorn, White Bear Lake, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ; H04N / ; G03B / ; H05K / ;
U.S. Cl.
CPC ...
358237 ; 358250 ; 358254 ; 353119 ; 353122 ; 312 / ;
Abstract
A projection television set is afforded by the use of a stand for the television set which permits the television set to be rotated on a horizontal axis to position the screen downward toward a projection lens having an odd number of mirrors to direct an image toward a remote screen without necessitating any rewiring of the television set.