Intrusion detection device

Details Intrusion detection device Intrusion detection device

1992-05-14

1993-08-17

Tubbesing, T. H.

Communications: directive radio wave systems and devices (e.g.,

Presence detection only

By motion detection

342 53, G01S 1356

Patent

active

052373304

ABSTRACT:
Intrusion detection apparatus including a microwave transmitter comprising a generally unshielded dielectric resonating oscillator, whose parasitic field is radiated within a volume and Doppler detection apparatus for sensing received Doppler signals reflected by a moving object within the volume.

REFERENCES:
patent: 4317117 (1982-02-01), Chasek
patent: 4731611 (1988-03-01), Muller et al.
Perkins, T. O. III; Active Microstrip Circular Patch Antenna; Microwave Journal; vol. 30 (Mar. 1987), pp. 109-117.
RCA Review, vol. 47, December 1986, Ultrastable Low-Noise GaAs FET Oscillator with Dielectric Resonator, pp. 472 to 487.
IEEE, A. S. P. Khanna, Review of Dielectric Resonator Oscillator Technology, pp. 478 to 486.
IEEE Transactions On Microwave Theory And Techniques, vol. Mtt-26, No. 3, Mar. 1978, pp. 156 to 162.
IEEE Transactions on Microwave Theory and Techniques, vol. Mtt-28, No. 8, Aug. 1980, pp. 817 to 824.
IEEE, A 10.5 GHz MIC Direction Sensitive Doppler Module Using A GaAs FET and A Ag/Pd Thick Film, 1981, pp. 319 to 320.

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