Microfiche reader control means

Details Microfiche reader control means Microfiche reader control means

1976-07-19

1978-04-25

Therz, Joseph M.

Registers

Platform operated

Platform actuated traffic counters

235 92CA, 235 92PE, 235 92R, 353 27A, G06M 302, G03B 2308

Patent

active

040864693

ABSTRACT:
A microfiche reader control means which permits direct keying of the number of a required microfilm frame. A keyed number is converted to values indicative of required displacement of a microfiche from an index position in order to bring the frame having the keyed number to a position for projection and viewing, and these values are supplied to drive means for moving the microfiche.

REFERENCES:
patent: 3594551 (1971-07-01), Shearer et al.
patent: 3614631 (1971-10-01), Bevier et al.
patent: 3814909 (1974-06-01), Hewitt
patent: 3841747 (1974-10-01), Peroutky
patent: 3870413 (1975-03-01), Goebel

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