Weather monitoring apparatus

Details Weather monitoring apparatus Weather monitoring apparatus

1979-05-23

1981-04-07

Myracle, Jerry W.

Measuring and testing

Meteorology

Electric disturbance

47 1R, G01W 106

Patent

active

042598648

ABSTRACT:
Apparatus for monitoring weather conditions to determine when these can enable the commencement of an infection of mildew, comprising a temperature sensor producing an output signal if the temperature is above a predetermined threshold, a first rainfall sensor producing an output signal when it is not raining, and a second rainfall sensor producing an output signal when a predetermined amount of rain has fallen in a given time; coincidence of the output signals from these sensors is timed and if the coincidence lasts for a predetermined length of time a latch is set indicating that a primary mildew infection can have started. Further progress of the primary infection is monitored using other temperature and humidity sensors. For monitoring secondary mildew infections the second rainfall sensor is replaced by switching in one having a much lower threshold of rainfall, and the coincidence timing interval is changed.

REFERENCES:
patent: 3430217 (1969-02-01), Bridge et al.

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