COMMUNICATION SYSTEM AND ANTENNA APPARATUS
First Claim
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1. An antenna apparatus for use in a transmitter or a receiver in a communication system, the antenna apparatus comprising:
- a dielectric substrate having a conductor layer on one of surfaces; and
a slot antenna including an antenna electrode formed on the one surface and disposed substantially at the center, a grounded conductive surface surrounding the antenna electrode, and a slot transmission line made by a gap between the antenna electrode and the grounded conductive surface.
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Abstract
An antenna apparatus for use in a transmitter or a receiver in a communication system. The antenna apparatus includes: a dielectric substrate having a conductor layer on one of surfaces; and a slot antenna including an antenna electrode formed on the one surface and disposed substantially at the center, a grounded conductive surface surrounding the antenna electrode, and a slot transmission line made by a gap between the antenna electrode and the grounded conductive surface.
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Citations
16 Claims
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1. An antenna apparatus for use in a transmitter or a receiver in a communication system, the antenna apparatus comprising:
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a dielectric substrate having a conductor layer on one of surfaces; and a slot antenna including an antenna electrode formed on the one surface and disposed substantially at the center, a grounded conductive surface surrounding the antenna electrode, and a slot transmission line made by a gap between the antenna electrode and the grounded conductive surface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A communication system comprising:
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a transmission slot antenna having a ring-shaped slot transmission line between an antenna electrode and a grounded conductor surface at a transmitter side; and a receiving slot antenna having a ring-shaped slot transmission line between an antenna electrode and a grounded conductor surface at a receiver side, wherein the transmission antenna and the receiving antenna are disposed with being opposed in proximity, and data transmission is performed using near-field electromagnetic coupling effect produced between the slot transmission lines of the transmission antenna and the receiving antenna. - View Dependent Claims (16)
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Specification