Planar antenna and radio apparatus

Details Planar antenna and radio apparatus Planar antenna and radio apparatus

2006-09-05

2006-09-05

Dinh, Trinh (Department: 2821)

Communications: radio wave antennas

Antennas

Slot type

C343S7000MS

Reexamination Certificate

active

07102582

ABSTRACT:
A planar antenna is formed of a circuit substrate and a slot line formed on the circuit substrate for guiding an electromagnetic wave in an axial direction thereof, the planar antenna emitting the electromagnetic wave at an end part of said slot line, wherein the end part has a curved shape forming a focal point at a location on an axis of the slot line with offset by a distance of about a quarter wavelength of the electromagnetic wave, and wherein there is provided a conductor pattern having a length of about a half of the wavelength of the electromagnetic wave at the focal point.

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“Development of Millimeter-Wave Passive Imaging Array”, 2003 IEICE Abstract C-2-103, RIEC, Tohoku University, Kentaro Kanari, et al., p. 135.
Kentaro Kanari, et al., 2003 IEICE Abstract C-2-103, RIEC, Tohoku University, “Development of Millimeter-Wave Passive Imaging Array (1)”, p. 135.

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