Remote control system transmitting a control pulse sequence through interlocked electromechanical relays
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United States of America Patent
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-
Nov 25, 1986
Grant Date -
N/A
app pub date -
Dec 8, 1983
filing date -
Dec 8, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A remote control system including a central encoder for transmitting a single sequence of control pulses to a plurality of remote decoders, each of which performs a predetermined function when it has received a selected number of pulses. Reliability of the system is enhanced by including in the encoder and all of the decoders a number of electromechanical relays arranged in a special triple redundant configuration, such that no failure in any one relay can cause a decoder to perform its function at an undesired time or can prevent a decoder from properly performing its function at a desired time. In addition, the special use of supplemental relay contacts ensures that no failure of any solid state device in the encoder or decoders can cause a decoder to perform its function at an undesired time.
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