Ring mounted miniature optical scanner

Details Ring mounted miniature optical scanner Ring mounted miniature optical scanner

1995-04-03

1996-11-26

Shepperd, John

Registers

Coded record sensors

Particular sensor structure

G06K 710

Patent

active

055788106

ABSTRACT:
A system for reading indicia having parts of different light reflectivity, includes a light emitter and optical detector supported by a ring to be worn on a finger of a user. The light emitter generates a scanning light beam which scans the indicia and produces reflected light of variable intensity reflected from the indicia. The optical detector detects the reflected light and produces an electrical signal indicative of the reflected light intensity. The ring is worn in a position such that a light beam emitted by the light emitter is directed away from the user.

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