Communications: radio wave antennas – Antennas – With coupling network or impedance in the leadin
Patent
1991-01-23
1993-11-30
Issing, Gregory C.
Communications: radio wave antennas
Antennas
With coupling network or impedance in the leadin
455325, 455327, H01Q 150, H04B 126
Patent
active
052669637
ABSTRACT:
A microwave/millimetric receiver of the kind in which a dielectric lens focusses incoming radiation on to an integrated antenna/mixer supported by a dielectric substrate. In one embodiment the antenna/mixer comprises a slot antenna and diode means coupled thereto for mixing the received signal with a local oscillator signal to form an IF signal. The local oscillator signal may be irradiated on to the antenna/mixer to be picked up by a crossed slot antenna or the local oscillator signal may be directly injected into the antenna/mixer circuit say via a microstrip line. In an alternative embodiment, the slot antenna is replaced by a dipole and a local oscillator signal is directly injected into the antenna/mixer via a coplanar line.
REFERENCES:
patent: 4038742 (1977-08-01), Kimball et al.
patent: 4232401 (1980-11-01), Chang et al.
patent: 4276655 (1981-06-01), Kraemer et al.
patent: 4291415 (1981-09-01), Buntschuh
patent: 4392251 (1983-07-01), Hallford
patent: 4411022 (1983-10-01), Clifton et al.
patent: 4430758 (1984-02-01), Snyder
patent: 4461039 (1984-07-01), Hersman
patent: 4607394 (1986-08-01), Nightingale
British Aerospace Public Limited Company
Issing Gregory C.
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