Stripline doppler radar

Communications: directive radio wave systems and devices (e.g. – Presence detection only – By motion detection

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331107SL, 333235, G01S 1350

Patent

active

047316110

ABSTRACT:
A stripline Doppler Radar includes at least one high-frequency oscillator, a first stripline conductor connected to the oscillator, a second stripline conductor spaced from the first stripline conductor, at least one receiving diode connected to the second stripline conductor, an antenna connected to the second stripline conductor, low frequency external electrical terminals, filters connected between the stripline conductors and the external electrical terminals for inhibiting leakage of high-frequency power through the external electrical terminals, and a dielectric resonator adjustable in position from a location between the stripline conductors to a location partially covering one of the stripline conductors for conducting power delivered by the oscillator through the stripline conductors and the dielectric resonator to the receiving diode and the antenna, and for adjusting power radiated through the antenna, power received through the antenna and power transmitted from the oscillator through the resonator directly to the receiving diode.

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"MM Wavelength Passive Components", by J. Mahieu; Microwave Journal (11/76), pp. 41-42.
"Microwave Intruder Alarm", by M. Hosking; Wireless World (7/77), pp. 36-39.
"Active Integrated Devices on Dielectric Substrates for MM-Wave Applications"; by R. Mittra et al; IEEE International Microwave Symposium (Orlando, 4/30-5/2/79).

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