Title:
Radio control system for operating a distant electromechanical transducer door lock utilizing a capacity-sensitive circuit at the distant location and an operator-carried transceiver
United States Patent 3196440


Inventors:
Richard, Weinstein
Application Number:
US23597162A
Publication Date:
07/20/1965
Filing Date:
11/07/1962
Assignee:
COMMERCIAL FACTORS LTD
Primary Class:
Other Classes:
70/277, 340/5.7, 340/12.5, 340/13.25, 341/176
International Classes:
G07C9/00; H03K17/955
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