Planar antenna and array antenna
First Claim
1. A planar antenna comprising a radiating element that radiates electric wave and an earthing conductive plate that reflects the electric wave radiated from said radiating element, wherein:
- said radiating element is formed on one surface of a first dielectric plate. the other surface of which facing said earthing conductive plate; and
there is formed a space between said earthing conductive plate and said radiating element.
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Accused Products
Abstract
A planar antenna has a radiating element that radiates electric wave, and an earthing conductive plate that reflects the electric wave radiated from the radiating element. There is formed a space between the earthing conductive plate and the radiating element. The radiating element has a strip-shaped central conductive part with a length corresponding to the half wavelength of a first transmission radio frequency signal, and strip-shaped conductive parts with a length corresponding to the half wavelength of a second transmission radio frequency signal that has a frequency different from that of the first transmission radio frequency signal.
153 Citations
19 Claims
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1. A planar antenna comprising a radiating element that radiates electric wave and an earthing conductive plate that reflects the electric wave radiated from said radiating element, wherein:
said radiating element is formed on one surface of a first dielectric plate. the other surface of which facing said earthing conductive plate; and
there is formed a space between said earthing conductive plate and said radiating element.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A planar antenna comprising a radiating element that radiates electric wave, said radiating element being of a conductive plate, wherein:
said radiating element is composed of a strip-shaped central conductive part with a length corresponding to the half wavelength of a first transmission radio frequency signal, and strip-shaped conductive parts with a length corresponding to the half wavelength of a second transmission radio frequency signal that has a frequency different from that of said first transmission radio frequency signal, said central conductive part and said conductive parts being formed into one body such that said conductive parts are located self-symmetrical to said central conductive part. - View Dependent Claims (10, 11, 12, 13, 14)
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15. A planar antenna, comprising a plurality of radiating elements that are arrayed like a matrix on one surface of a dielectric plate, wherein:
said plurality of radiating elements are divided into a plurality of groups, and the interval between said respective groups is different from the interval between said respective radiating elements. - View Dependent Claims (16, 17, 18, 19)
Specification