Optics: image projectors – Selective data retrieval – Plural picture rows on single microcard
Patent
1983-11-09
1985-07-16
Haroian, Harry N.
Optics: image projectors
Selective data retrieval
Plural picture rows on single microcard
G03B 2308
Patent
active
045292817
ABSTRACT:
A microfiche reader transport system permitting the automatic and selective accessing of one of a plurality of microfilm frames mounted on a microfiche card. The transport system is independently actuable in the X and Y directions via stepper motor means which are, in turn, selectively controlled via an operator keyboard and a programmable microprocessor controller responsive thereto. The transport system further has the capability of accommodating microfiche cards of various frame formats, and includes means for adaptively adjusting to different magnification ratios of the reader optics and for audibly prompting and verifying operator selections and error conditions.
REFERENCES:
patent: 4174891 (1979-11-01), Flint
patent: 4254552 (1981-03-01), Samis
DeRoche Terrance P.
Hollander Thomas A.
Smoot Charles H.
Haroian Harry N.
Haugen Orrin M.
MF Reader Development Fund
Nikolai Thomas J.
Tschida Douglas L.
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