REMOTE-CONTROLLED DISPLAY DEVICE FOR SELECTIVELY DISPLAYING SIGNS OR WORDS
United States Patent 3501761

Inventors:
Capellari, Elio
Publication Date:
03/17/1970
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Assignee:
Enrico, Boselli Spa
Primary Class:
Other Classes:
340/870.430
International Classes:
G05D3/12; G09F9/46; G09F11/06; G09F11/10; G09F11/00; G08B5/00; G08B23/00
US Patent References:
3406322Seeking switch remote motor control wherein each position is uniquely encoded by 2n conductors and 2n non-conductors




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