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:
Jun. 27, 1989
Filed:
Feb. 04, 1988
Applicant:
Inventor:
Karl J Kallenberg, Richfield, MN (US);
Assignee:
Lifetouch National School Studios Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354 77 ; 354291 ;
Abstract
An alignment mechanism for a detachably linked camera and projector for a front screen projection system is disclosed. The alignment mechanism, after initial adjustment, returns the camera and projector to the appropriate alignment for projecting optical images along the optical axis of the camera for recording composite optical images.