Boots – shoes – and leggings
Patent
1983-07-27
1986-05-27
Lall, Parshotam S.
Boots, shoes, and leggings
364561, 358107, G06G 778
Patent
active
045919879
ABSTRACT:
A system for determining range and orientation of distant objects such as a ship. By utilizing split imaging the observed height on a video monitor can be accurately determined despite movements of the image on the monitor. The observed ship can be visually identified and the true height determined from reference sources. A better comparison of data indicating the true height compared to observed height permits calculation of the range to the target ship. Split imaging can also be utilized to determine the observed length of the ship so that observed height and length data can be compared to the true height and length of the target ship to determine orientation of the target ship relative to the observer.
REFERENCES:
patent: 2786096 (1957-03-01), Palmer
patent: 3443870 (1969-05-01), Morgan et al.
patent: 3604003 (1971-09-01), Freier et al.
patent: 3783189 (1974-01-01), Nelson
patent: 4004960 (1977-03-01), Feldman et al.
patent: 4295201 (1981-10-01), Wiklund
Kollmorgen Technologies Corp.
Lall Parshotam S.
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