Remote-control and indicating system
United States Patent 2672603

Inventors:
Phil, Cutler
Publication Date:
03/16/1954
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Assignee:
Ross, Karl F.
Primary Class:
340/870.180
Other Classes:
250/210, 340/870.270, 315/10, 340/870.440, 340/870.260, 315/9, 340/825.970
International Classes:
G08C19/12
US Patent References:
2404238Position-indicating system
2413785
2446392Luminous teletracing system
2446428Apparatus for producing indications of movement of an element
2457790Apparatus for sequentially keying and connecting a plurality of oscillators to a common output circuit
2474177Cathode-ray indicator
2557329Telautograph system
2565612Writing telegraph system