Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1977-04-18
1979-01-02
Strecker, Gerard R.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
324 585B, G01V 312
Patent
active
041329430
ABSTRACT:
A radar transmitter directs a beam of microwve energy at a first frequency through the atmosphere. A gas seep in the atmosphere irradiated by the beam of microwave energy is excited to emit microwave energy at a second frequency characteristic of the particular species of gas. A radar receiver is tuned to produce video signals representative of the microwave energy at the second frequency. An amplitude discriminator measures the amplitudes of the video signals during each radar sweep as an indication of gas concentration in the seeps and counts the number of video signals during each radar seep as an indication of the size of the seeps.
REFERENCES:
patent: 3651395 (1972-03-01), Owen et al.
patent: 3665466 (1972-05-01), Hibbard
patent: 3803595 (1974-04-01), McMillan
patent: 3836960 (1974-09-01), Gehman et al.
Dennis Charles L.
Gournay Luke S.
Harrell John W.
Hager Jr. George W.
Huggett C. A.
Mobile Oil Corporation
Strecker Gerard R.
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