Device for indicating direction of barometric pressure trends

Details Device for indicating direction of barometric pressure trends Device for indicating direction of barometric pressure trends

1977-01-03

1977-10-18

Woodiel, Donald O.

Measuring and testing

Barometer

Aneroid

G01L 712

Patent

active

040540588

ABSTRACT:
Direction of barometric pressure trend is portrayed by my invention. Changes in barometric pressure are amplified by a linkage member and converted into a signal by trend means to discern an increase or decrease in trend. Motor means receives the signal from trend means and activates display means to show the direction of barometric pressure trend.

REFERENCES:
patent: 2007680 (1935-07-01), Hanscom

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