Communications: directive radio wave systems and devices (e.g. – With particular circuit
Patent
1997-07-01
1999-02-02
Sotomayor, John B.
Communications: directive radio wave systems and devices (e.g.,
With particular circuit
342 70, G01S 728
Patent
active
058671200
ABSTRACT:
A transmitter-receiver whose overall size can be reduced by decreasing areas occupied by a bend portion and a coupler portion of a nonradiative dielectric (NRD) waveguide. The size is not restricted by the radius of curvature and the bending angle of the bend portion. In this transmitter-receiver, the NRD waveguide is adapted so that waves are transmitted in a single mode, namely, LSM01 mode. Further, an oscillator, an isolator, a mixer and a coupler are placed in the rear of a dielectric lens. Thus, the transmitter-receiver fits within the size of the antenna.
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Ishikawa Yohei
Nishida Hiroshi
Tanizaki Toru
Murata Manufacturing Co. Ltd.
Sotomayor John B.
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