Registers – Coded record sensors – Particular sensor structure
Patent
1991-01-28
1993-08-10
Pitts, Harold
Registers
Coded record sensors
Particular sensor structure
235449, 360113, G06K 710
Patent
active
052351696
ABSTRACT:
A bar code label can be washed, if stained with mud or dirt, to remove the stains and also it is not easily corroded by rust, thereby permitting positive recording and preservation of information for a long term. Also, a bar code reader incorporates a magnetic sensor to detect a change of magnetic field and by which anybody can read the bar code label easily and positively.
REFERENCES:
patent: 4420781 (1983-12-01), Sakuri
patent: 4698711 (1987-10-01), Vinal
patent: 4860138 (1989-08-01), Vinal et al.
Ajiki Hiroshi
Wakaumi Hiroo
NEC Corporation
Nippon Electric Industry Co., Ltd.
Pitts Harold
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