Character input/output device

Details Character input/output device Character input/output device

G - Physics

06

F

340/191

G06F 3/02 (2006.01) G06F 3/023 (2006.01) H01H 25/00 (2006.01)

Patent

CA 1274602

ABSTRACT OF THE DISCLOSURE A character input device for a computer comprised of a plurality of switches or threshold zones adapted to be activated by a disk movable with the tip of a pen in preset serial patterns.

538410

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