Hand-held scanner with a speed control device

Details Hand-held scanner with a speed control device Hand-held scanner with a speed control device

1985-07-11

1987-10-27

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

235472, 188 83, 188 85, 188159, 188184, 382 59, G06K 710

Patent

active

047031867

ABSTRACT:
A hand-held scanner, namely, a hand-operated optical reader, capable of selectively and partially reading a necessary portion of a document. The hand-held scanner is equipped with a speed control device capable of producing a load for controlling the moving speed of the hand-operated scanning unit for approximate uniform motion to enable a compact and inexpensive apparatus to reproduce an original picture easily and accurately.

REFERENCES:
patent: 2571085 (1951-10-01), Clifford
patent: 3918028 (1975-11-01), Humphrey et al.
patent: 4513473 (1985-04-01), Omata
patent: 4553035 (1985-11-01), Malinsky et al.
patent: 4556155 (1985-12-01), Koppensteiner
patent: 4582188 (1986-04-01), Seiz et al.

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