Electric circuit for remotely controlling a selected one of a pl

Details Electric circuit for remotely controlling a selected one of a pl Electric circuit for remotely controlling a selected one of a pl

1983-02-24

1985-09-24

Weldon, Ulysses

Communications: electrical

Continuously variable indicating

With meter reading

307 40, 361191, 34082563, H04Q 300

Patent

active

045435758

ABSTRACT:
An arrangement for providing electrical remote control of several magnetic solenoid valves having a transmitter section and a receiver section. The transmitter includes a fixed frequency signal generator for producing signals having an adjustable duty cycle. The duty cycle of the periodic signals varies in accordance with the position or deflection of an adjustable control lever. The periodic signals are transmitted over a first transmission link to the receiver section for controlling the condition of the magnet valves. A second transmission link is utilized for transmitting digital coded address information concerning which of the magnetic valves is to be selected in the receiver section in accordance with the position of the control lever in the transmitter section.

REFERENCES:
patent: 3836887 (1974-09-01), Ueda et al.
patent: 4059844 (1977-11-01), Stewart
patent: 4162486 (1979-07-01), Wyler
patent: 4175238 (1979-11-01), Breimesser et al.
patent: 4215276 (1980-07-01), Janeway
patent: 4315249 (1982-02-01), Apple et al.

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