Aperture card

An aperture card is a type of punched card with a cut-out window into which a chip of microfilm is mounted. Such a card is used for archiving or for…

Papers overview

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2008

Zusammenfassung Neue Entwicklungen in der Elektronik wie massengedruckte Einfachelektronik ermöglichen den Einsatz von…

1995

Project Alexandria, one of six National Science Foundation (NSF) digital library initiatives (DLI), has as its objective online…

1993

Some people will tell you that electronic imaging is making the aperture card obsolete. As this report shows, some of the recent…

1988

1986

In 1985, procurements by the Army and Air Force of automated engineering storage and retrieval systems are underway: DSREDS, the…

1974

KODAK RETNAR minification products have been developed to minify radiographs onto a film chip carried by an aperture card with…

1968

The purpose of this paper is to call attention to some of the properties of optical signal detection which may be useful for…

1968

Abstract : The report focuses on the use of the aperture card as an adjunct to a computerized information system. System…

1968

The combination of a new high-speed process and developer unit which uses pressurized anhydrous ammonia gas offers a significant…

1959

Abstract : The microfilm aperture card system, which is a new concept in the storage, reproduction, and distribution of…