Registers – Coded record sensors – Particular sensor structure
Patent
1992-01-07
1994-05-03
Shepperd, John
Registers
Coded record sensors
Particular sensor structure
25022723, G06K 710
Patent
active
053089642
ABSTRACT:
This invention relates to a new type wand which constitute a sensor module at the light receiving portion to increase the optical coupling efficiency, and make the sensor module movable along the wand axis in forward and reverse direction so as to adjust the detecting resolution.
REFERENCES:
patent: 3911270 (1975-10-01), Traub
patent: 4705942 (1987-11-01), Budrikis et al.
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