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:
Nov. 30, 1999
Filed:
Jan. 06, 1998
Applicant:
Inventors:
Michael J O'Brien, Rochester, NY (US);
Richard A Colleluori, Rochester, NY (US);
Robert C Bryant, Honeoye Falls, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ; H02K / ;
U.S. Cl.
CPC ...
396508 ; 355 71 ; 310 74 ;
Abstract
An iris diaphragm for selectively varying a diameter of an aperture, the iris diaphragm comprises at least two movable blades which are adaptable for forming the aperture; and a plurality of ceramic motors respectively attached to each one of the blades for causing said blades to vary the aperture formed therefrom.