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:
Mar. 07, 1978
Filed:
Sep. 21, 1976
Applicant:
Inventor:
Mario Gandini, Brixen, IT;
Assignee:
Durst Ag. Fabrik Fototechnischer, Bolzano-Bozen, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
355 67 ; 362 18 ; 362359 ;
Abstract
An illumating device for a photograph enlarging or copying apparatus has a pair of lighting compartments having different characteristics movably connected to each other and mounted to slide back and forth across the optical axis. The light compartment better adapted to the particular format to be copied is positioned in line with the optical axis. A diffusing lens is insertable in the light emergence side of the lighting compartment being utilized, and the diffusing lens may be movably mounted so as to position different areas in the path of light emerging from the compartment.