Electrical transmission or interconnection systems – Switching systems – Condition responsive
Patent
1977-08-31
1979-07-17
Truhe, J. V.
Electrical transmission or interconnection systems
Switching systems
Condition responsive
236 44R, 328 4, H01H 3542
Patent
active
041616600
ABSTRACT:
A solid state electronic controller for humidification devices employs an electronic humidity sensor to create an electronic signal proportional to the humidity in the space to be controlled, and massages or processes this proportional signal to create a cyclic series of time-proportioned control signals to cause the operation of the humidification devices in each cycle for a period proportional to the difference between the sensed humidity and the desired humidity.
REFERENCES:
patent: 3460557 (1969-08-01), Gallant
patent: 4063112 (1977-12-01), Dumbeck
Ginsburg Morris
Longwood Machine Works, Inc.
Truhe J. V.
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