Registers – Calculators – Input-output calculator to indicator – printer – etc.
Patent
1974-04-22
1976-04-06
Cook, Daryl W.
Registers
Calculators
Input-output calculator to indicator, printer, etc.
250555, G06K 710, G08C 906
Patent
active
039491951
ABSTRACT:
A sensing rod for use in the manual scanning of graphic information. The sensing rod has a tip which is adapted to both reflect light and to receive light which is reflected from an information carrier. A light-emitting section is provided at the front end of the gripping zone which is optically coupled with at least one source of light arranged in the sensing rod.
REFERENCES:
patent: 3727030 (1973-04-01), McMurtry
patent: 3735142 (1973-05-01), Harr et al.
patent: 3784794 (1974-01-01), Allais
Schwarzkopf Joachim
Unglaube Uwe
Wefers Norbert
Cook Daryl W.
Nixdorf Computer AG
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