MICROFILM SEARCHING SYSTEM

In an automatic microfilm searching system wherein a plurality of spaced images recorded on a film are displayed on the screen of a film reader at least one at a time, an apparatus and method for locating a particular one of the images for display by sensing the images displayed in accordance with a...

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Bibliographische Detailangaben
Hauptverfasser:	WHITE E,US, MCENROY J,US
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CALCULATING CINEMATOGRAPHY COMPUTING COUNTING ELECTROGRAPHY HANDLING RECORD CARRIERS HOLOGRAPHY PHOTOGRAPHY PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS
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Beschreibung
Zusammenfassung:	In an automatic microfilm searching system wherein a plurality of spaced images recorded on a film are displayed on the screen of a film reader at least one at a time, an apparatus and method for locating a particular one of the images for display by sensing the images displayed in accordance with at least one of a plurality of available distinct sensing formats and then counting the number of images so sensed. Each sensing format is defined by a distinct set of indicia on the film which are sensed and counted. The indicia of at least one available sensing format includes the images themselves, such as a preselected edge of each image.