Title:
Apparatus for controlling machines and processes
United States Patent 2888570
US Patent References:
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- - 1244058

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- - 2268498

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- - 2593206

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- - 2631243

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- - 2704634


Inventors:
Toulmin Jr., Harry A.
Publication Date:
05/26/1959
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Assignee:
OHIO COMMW ENG CO
Primary Class:
250/365
Other Classes:
250/461.100, 377/53, 250/226
International Classes:
G05B19/12; G06K7/015; G06K7/12; G05B19/04; G06K7/01
US Patent References:
2742631Method and apparatus for recording and transmitting information using phosphors
2751030Light sensitive automatically controlled steering system