Small size antenna
A small antenna and helical technology, applied in resonant antenna, antenna support/installation device, radiating element structure and other directions, can solve the problem of increasing the installation area of the antenna
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[0028] Hereinafter, we will describe the embodiments of the present invention in detail with reference to the drawings.
[0029] [First Embodiment]
[0030] Fig. 1 is a perspective view of a small antenna according to a first embodiment of the present invention. The small antenna 10 related to the first embodiment has a flat dielectric substrate 12, an antenna conductor 14 provided on one surface of the dielectric substrate 12, and an antenna conductor 14 provided on one corner portion of the other surface of the dielectric substrate 12. Feed terminal part 16. This antenna forms an electrical length of substantially 1 / 4 wavelength of a frequency band in which signals are transmitted and received.
[0031] The antenna conductor 14 has a first meandering portion 14a and a second meandering portion 14b. The first meandering portion 14a is formed to meander in a certain direction (the direction of arrow A in FIG. 1 , that is, the direction of the short side of the substrate) fr...
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Abstract
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