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. 28, 1989
Filed:
Jun. 10, 1988
Ensley E Townsend, Rochester, NY (US);
Eastman Kodak Company, Rochester, NY (US);
Abstract
A microfilm camera is capable of automatically selecting one of a plurality of different focal lengths available on a zoom lens to obtain the desired optical reduction ratio. A user operator enters, via a keyboard, the desired optical reduction ratio into the main or host computer resident in the microfilm camera. The computer through appropriate communication with a microcomputer atuomatically adjusts the lens to the appropriate lens focal length that corresponds to the selected optical reduction ratio and automatically establishes the film tansport speed that will be synchronized in the correct ratio to the document transport speed in accordance with the desired reduction ratio.