Directional coupler, antenna device, and transceiver

Details Directional coupler, antenna device, and transceiver Directional coupler, antenna device, and transceiver

H - Electricity

01

P

H01P 5/00 (2006.01) H01P 5/18 (2006.01)

Patent

CA 2276834

In a directional coupler comprising two separated dielectric guides, reflection and loss in the separation position (separated faces) is reduced. Furthermore, the beam of an antenna device comprising a primary emitter and a dielectric lens can be tilted quickly even by a low-torque motor. A moving portion and a fixed portion each comprise dielectric guides, and in addition, grooves are provided in opposing end faces of conductive plates thereof, at a distance from the electrode faces of the dielectric guides of approximately an integral multiple of half the wavelength of the transmitted waves. Furthermore, the dielectric guide of the directional coupler portion is a normal NRD guide, and the dielectric guide of another portion is a hyper NRD guide.

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