Microstrip antenna

Details Microstrip antenna Microstrip antenna

2011-05-31

2011-05-31

Dinh, Trinh V (Department: 2821)

Communications: radio wave antennas

Antennas

Plural antennas

C343S853000, C343S7000MS

Reexamination Certificate

active

07952534

ABSTRACT:
A plurality of antenna electrodes11, 12, 13, 14on a substrate1can be connected to a ground electrode on the substrate1via connectors at spots11A-11C,12A-12C,13A-13C, and14A-14C. Each connector can be opened/closed by a switch; or provided with a impedance varying device. Any one of the antenna electrodes may be connected to the ground electrode by the switch or the impedance varying device. The radio wave beam outputted from this antenna electrode shifts in phase from the radio wave beams outputted from the other antenna electrodes, whereby the direction of the integrated radio wave beam is inclined. Connecting one or another of the spots11A-11C,12A-12C,13A-13C, and14A-14C to the ground electrode changes the direction and the magnitude of the integrated radio wave beam.

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