Detector for doppler device

Details Detector for doppler device Detector for doppler device

1979-05-29

1981-06-02

Gensler, Paul L.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

329161, 333 242, 333250, 343 5PD, 343 8, G01S 1358

Patent

active

042714117

ABSTRACT:
A doppler detector for measuring the speed and/or the direction of a moving body utilizing the principle of the doppler effect that the reflected frequency from a moving body is slightly changed has been found. The present doppler detector comprises a rectangular waveguide inserted between a microwave oscillator and an antenna, an elongated ferri-magnetic body inserted between a pair of H planes of said waveguide, and said body being magnetized in the axial direction of the same, and a pair of diodes each inserted between H planes of said waveguide so that the first diode being symmetrical with the second diode concerning the lateral plane including the center axis of said ferri-magnetic body.

REFERENCES:
patent: 3051908 (1962-08-01), Anderson et al.
patent: 3659293 (1972-04-01), Gupta
patent: 3883824 (1975-05-01), Weiner

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