Measuring and testing – Meteorology – Electric disturbance
Patent
1986-10-31
1990-03-13
Ruehl, Charles A.
Measuring and testing
Meteorology
Electric disturbance
73724, 374170, G01W 104, G01L 912, G01R 2726
Patent
active
049074490
ABSTRACT:
A radiosonde has a novel and improved measuring circuitry for measuring atmospheric conditions, such as, temperature, humidity and pressure through the direct conversion of resistance and capacitance values into binary numbers. The binary numbers are transmitted in digital form along with calibration coefficients to a remote ground station. The measuring circuitry can be mounted on the same substrate with the pressure transducer, and the electrical connections between the pressure transducer and measuring circuitry are simplified by utilization of an offset diaphragm, pressure cell arrangement.
REFERENCES:
patent: 4065715 (1977-12-01), Jaffe et al.
patent: 4424713 (1984-01-01), Kroninger, Jr. et al.
patent: 4488823 (1984-12-01), Baker
Call David B.
Lassman Steven J.
Nolan James A.
A.I.R., Inc.
Reilly John E.
Ruehl Charles A.
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