Printing telegraph system

作者: James D Durkee

DOI:

关键词:

摘要: This invention relates to printing telegraph Ssystems and more particularly signaling arrangements adapted for use therein. An object of the is reduce . 5 time required transmitting supervisory signals in systems. A specific employ...

参考文章(11)
Martin L Nelson, Herbert F Obergfell, John I Bellamy, Stock quotation system ,(1931)
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Jansson Sven Anders, Electric remote control system ,(1938)
Evan R Wheeler, Hoover Ray, Printing quotation board ,(1931)
William C. Roe, Electrical code transmitter ,(1929)
Sidney Z. Bear, Printing telegraph system ,(1936)