Registers – Coded record sensors – Particular sensor structure
Patent
1989-05-05
1991-07-30
Pitts, Harold
Registers
Coded record sensors
Particular sensor structure
235463, 235472, G06K 710
Patent
active
050361830
ABSTRACT:
There is disclosed a bar code reading device that can highly accurately read bar codes. Threshold values are established for correct identification of bar codes without being affected by blots on and unevenness of the bar code carrying surface and unstable maneuvering operations of the bar code reading device.
REFERENCES:
patent: 4379224 (1983-04-01), Engstrom
patent: 4608487 (1986-08-01), Awane et al.
Nakase Koji
Ouchi Junichi
Sasaki Hiroaki
Alps Electric Co. ,Ltd.
Heid David W.
Pitts Harold
Shoup Guy W.
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