Radiant energy – Geological testing or irradiation
Patent
1981-04-28
1983-12-20
Howell, Janice A.
Radiant energy
Geological testing or irradiation
250340, 250342, G01V 500, G01J 100
Patent
active
044219814
ABSTRACT:
The present invention concerns a method for remotely surveying the earth's surface. The method comprises the steps of advancing a plurality of electromagnetic scanning devices (3) along a known path at a predetermined height and velocity above the earth's surface, simultaneously scanning a track (4) of predetermined width on the earth's surface with said scanning devices, detecting with the scanning devices electromagnetic radiation received from the earth's crust in the electromagnetic spectrum, each scanning device responding to a different spectral range within the electromagnetic spectrum, and producing a film record (20) from each scanning device corresponding to the intensity of the radiant energy detected by the scanning device within its spectral range. To enable analysis of the film records so produced it is essential that they are in register so that each film record is scanned by a flying spot scanner (21), the individual rasters of the flying spot scanners being controlled by controls (24) to achieve registration of the images of the film records (20).
REFERENCES:
patent: 3715591 (1973-02-01), Gull
patent: 3725662 (1973-04-01), Merkel
patent: 4302108 (1981-11-01), Timson
Forthstar Limited
Howell Janice A.
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