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. 04, 2000
Filed:
Sep. 16, 1997
Applicant:
Inventor:
Bruce K Johnson, North Andover, MA (US);
Assignee:
Polaroid Corporation, Cambridge, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41B / ; B41J / ; G06F / ;
U.S. Cl.
CPC ...
358-11 ; 358296 ; 347152 ; 347222 ; 347263 ;
Abstract
An optical printer is disclosed which detects photo speed, cartridge presence, pick location and door closure using only two sets of photo detectors. The disclosed optical printer uses a low-profile gear and switching mechanism which allows placement of the optical printer within a standard computer bay.