Direct view remote control method for workings machine and transmitter and receiver assembly for carrying out such method
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United States of America Patent
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Dec 25, 1990
Issued Date -
N/A
app pub date -
Sep 29, 1986
filing date -
Nov 4, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A direct view remote control method, and a corresponding transmitter and receiver assembly, for rapid and reliable transmission of simultaneous orders to a works machine such as for mines and quarries. Orders from a driver are converted into binary signals; a sequential binary signal is elaborated therefrom so that each sequence comprises synchronization bits with a synchronization binary periodic signal and information bits occupied by a biphased encoded binary signal representative of said binary signals; Amplitude of carrier wave is modulated by said sequential binary signal so as to form a remote control signal to be transmitted; after reception thereof the sequential signal is restored and, through recognition therein of the synchronization signal, converted into appropriate electric signals for the machine.
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