Electric induction field navigation apparatus

Details Electric induction field navigation apparatus Electric induction field navigation apparatus

1964-11-09

1981-07-07

Tubbesing, T. H.

Communications: electrical

Selective

Having indication or alarm

343112R, G01S 378

Patent

active

042777712

ABSTRACT:
Apparatus for use by the operator of an aircraft in guiding the aircraft, in areas where electric power lines are in operation. Pickup means are located at three or more locations on the aircraft and are used to detect three orthogonal components of the "near field" of the power line, the radiation field at 60 cycles per second being negligible. These components are fed through suitable computing and indicating means to direct the operator in flying the aircraft so that it approaches and then follows the power line, by displaying the angle between craft heading and power line direction, and the craft distance from the power line.

REFERENCES:
patent: 2597135 (1952-05-01), Stuart, Jr.
patent: 3087111 (1963-04-01), Lehan et al.
patent: 3136943 (1964-06-01), Slichter
patent: 3204183 (1965-08-01), Hasenzahl
patent: 3218623 (1965-11-01), Buntenbach
patent: 3430243 (1969-02-01), Evans
patent: 3866111 (1975-02-01), Warren

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