Method of retrieving frames on a microfiche using arbitrarily de

Details Method of retrieving frames on a microfiche using arbitrarily de Method of retrieving frames on a microfiche using arbitrarily de

1992-04-17

1993-06-22

Trans, Vicent N.

Boots, shoes, and leggings

36457102, 353 27A, 356150, 355 53, G06F 1540

Patent

active

052220338

ABSTRACT:
When a microfiche is automatically retrieved by a microfiche retrieval device, and the data of a target frame is input from the keyboard, the microfiche is conveyed to automatically retrieve the frame at the position relevant to the input data, and the largest frame is projected on a reader screen. The positional data for retrieving frames corresponding to the frame addresses other than that of the target frame and the fiche-mode data necessary for retrieving and outputting the imaged frames is stored in memory prior to retrieval of a frame. The stored data is read out so that the correct frame can be retrieved. Even if frames are not positionally aligned with the feeding direction of a particular microfiche or even if the reference frame or the maximum address frame is not exposed on a microfiche, frames can automatically be positioned at a high speed simply by designating a plurality arbitrary frames which are actually exposed with images.

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patent: 4427292 (1984-01-01), Buchanan
patent: 4515451 (1985-05-01), Benham, Jr. et al.
patent: 4549797 (1985-10-01), Sawano et al.

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