Registers – Coded record sensors – Particular sensor structure
Patent
1979-01-12
1981-08-25
Kilgore, Robert M.
Registers
Coded record sensors
Particular sensor structure
235494, 3401463F, 3401463AC, G06K 710, G06K 1906, G06K 900
Patent
active
042861462
ABSTRACT:
A coded label comprising a code pattern in which first and second segments respectively being substantially square and having reflection factors different from each other are arranged in at least four rows and two columns, and in which at least two of either of the first and second segments are arranged in each column and at least one is arranged in each of the uppermost and lowermost rows.
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patent: 3731065 (1973-05-01), Zucker
patent: 3776454 (1973-12-01), Jones
patent: 3810095 (1974-05-01), Bibl
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patent: 3898434 (1975-08-01), Bigelow
Ejiri Masakazu
Ikeda Sadahiro
Matsuoka Shinji
Ueda Hirotada
Uno Takeshi
Hitachi , Ltd.
Kilgore Robert M.
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