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:
May. 11, 1976
Filed:
Oct. 04, 1973
Augustus W Griswold, Rush, NY (US);
Boris W Haritonoff, Geneseo, NY (US);
Arcata Microfilm Corporation, Long Beach, CA (US);
Abstract
Microfilm is converted into microfiche by feeding the film through a cutter, cutting the film into one or more frames, and then mounting the frame(s) upon a transparent microfiche base. The microfilm has a pair of adhesive strips along the top and bottom edge of its bottom surface for attaching the microfilm to the base. The microfiche base is mounted on a fiche deck by means of registration pins; lights are provided below the fiche deck for informing the operator where to place the frames on the base; and a margin grid having guide bars overlies the base to aid the operator in mounting the frames in precise alignment on the base. The film cutter removes a slice from the cut frames to aid the operator to mount the frames. The microfiche is updated by mounting all 'updatable' frames in the same row and pre-cut from each adjacent frame. A solenoid and its push pin are positioned beneath each updatable frame and a clearance opening for each push pin is located in the microfiche base. To update a microfiche, the proper solenoid is energized to remove one edge of the frame to be updated from the base, the frame is then completely removed, and a new updated frame is substituted for the outdated, removed frame.