Title:
Photoelectric vehicle identification system
United States Patent 3324301

Inventors:
Jacob, Goldberg
Publication Date:
06/06/1967
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Assignee:
Lan, Jen Chu
Primary Class:
250/223R
Other Classes:
250/237R, 340/942, 250/566, 246/29R, 246/2S
International Classes:
B61L25/04; B61L25/00
US Patent References:
2581552Railway train describer
2612994Classifying apparatus and method
2769922Tape reading mechanism
2944156Apparatus for sensing records
3041462Position indicating apparatus
3145291Identification system