Crop frost prediction system

Details Crop frost prediction system Crop frost prediction system

1999-09-02

2000-12-05

Lee, Benjamin C.

Communications: electrical

Condition responsive indicating system

Specific condition

340587, 34087017, G01W 100

Patent

active

061573051

ABSTRACT:
A crop frost prediction system (20) is provided. The system (20) exposes a thermally radiant surface (22) to atmosphere (26) and senses the temperature of the thermally radiant surface (22). The sensed temperation, alone or in combination with other variables, is used by a processor (38) to calculate whether frost is likely to occur. The system (20) capitalizes on the understanding of the inventor that the thermally radiant surface (22) will dissipate heat (24), and thus have a lower temperature than the ambient air, under conditions of low humidity and clear night sky.

REFERENCES:
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patent: 4601842 (1986-07-01), Caple et al.
patent: 5000579 (1991-03-01), Kumada et al.
patent: 5038852 (1991-08-01), Johnson et al.
patent: 5272879 (1993-12-01), Wiggs
patent: 5295625 (1994-03-01), Redford
patent: 5763858 (1998-06-01), Jones
patent: 5809789 (1998-09-01), Baker et al.
patent: 5927603 (1999-07-01), McNabb

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