Remote control system using a wake up signal

Communications: electrical – Continuously variable indicating – With meter reading

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34082572, 3581941, 359142, G08C 1900

Patent

active

051152363

ABSTRACT:
A two-way remote control system suitable for use with a plurality of apparatus, the system including a hand held unit comprising a transmitter and a receiver, each transmitted message in the system comprising a series of pulses and the beginning of each message having a wake-up pulse which switches a receiver from a rest-state to an operative-state, the receiver switching back to the rest-state if no wake-up pulse has been received for a certain period.

REFERENCES:
patent: 4143368 (1979-03-01), Route et al.
patent: 4413261 (1983-11-01), Greenberg
patent: 4704735 (1987-11-01), Swapp et al.
M. M. Mano, "Computer System Architecture", 1982, Prentice-Hall, Inc. pp. 270-271.
H. D. Toong, "Microprocessors", Scientific American, Sep. 1977.

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