Pen type data scanning apparatus

Details Pen type data scanning apparatus Pen type data scanning apparatus

1993-07-15

1999-10-26

Johns, Andrew W.

Image analysis

Image sensing

Hand-held

G06K 922

Patent

active

059742046

ABSTRACT:
A pen type scanner (10) having an optically conductive light director (24) for directing light from a light emitting diode (20) onto a specific portion of textual data (78) on a page (76). Light reflected from the page is focused by a lens assembly (28) onto a sensor apparatus (30). As the pen type scanner (10) is moved across the page (76) a roller (34) activates a distance encoder (32). The pen type scanner (10) is connected to a parallel port (54) of a computer (56) through an interconnection cable (50) and a port adaptor component (58).

REFERENCES:
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patent: 3918028 (1975-11-01), Humphrey et al.
patent: 4631599 (1986-12-01), Cawkell
patent: 5121226 (1992-06-01), Kubota et al.
patent: 5130847 (1992-07-01), Tsujioka
patent: 5276443 (1994-01-01), Gates et al.
patent: 5301243 (1994-04-01), Olschafskie et al.
patent: 5301244 (1994-04-01), Parulski
Mano, Computer System Architecture, Prentice-Hall (1982), pp. 403-415, 432-439, 443-454.

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