Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1990-03-01
1991-06-11
Swann, III, Glen R.
Communications: electrical
Condition responsive indicating system
Specific condition
333 26, 343772, G08B 1318
Patent
active
050235940
ABSTRACT:
A microwave transceiver comprising a Gunn diode microwave radiation source, a Schottky-barrier diode mixer, a closed rectangular waveguide cavity, a coaxial-waveguide joint, and a monopole antenna providing a microwave radiation dispersion/collection pattern occupying a spatial region elevated from and extending radially outward and 360.degree. in azimuth with respect to said antenna, said spatial region having a substantially spatulate radial cross-section.
REFERENCES:
patent: 3509572 (1970-04-01), Barbano
patent: 4090195 (1978-05-01), Guennou et al.
patent: 4139828 (1979-02-01), Commault et al.
patent: 4791420 (1988-12-01), Baba
patent: 4837524 (1989-06-01), Nakamura
"Pattern Prediction of Broadband Monopole Antennas on Finite Groundplanes Using the BOR Moment Method", authored by Dirk E. Baker and Louis Botha, published in Microwave Journal (Sep. 1988, pp. 153, 154, 156, 158, 160, 162, 164).
C & K Systems Inc.
Swann III Glen R.
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