Antenna apparatus
First Claim
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1. The antenna apparatus comprising:
- a dielectric substrate;
an antenna element pattern formed on the dielectric substrate;
a feed line connected to the antenna element pattern; and
a filter inserted into the feed line whereinthe filter is constituted by a distributed constant circuit formed by an electrically conductive pattern of a ring filter having a stub arranged at a middle part of the feed line.
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Abstract
An antenna apparatus is disclosed. The antenna apparatus includes a dielectric substrate; an antenna element pattern formed on the dielectric substrate; a grounding pattern connected to the element pattern; a feed line formed on the dielectric substrate, and connected to the element pattern; and a filter connected to the feed line.
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Citations
31 Claims
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1. The antenna apparatus comprising:
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a dielectric substrate; an antenna element pattern formed on the dielectric substrate; a feed line connected to the antenna element pattern; and a filter inserted into the feed line wherein the filter is constituted by a distributed constant circuit formed by an electrically conductive pattern of a ring filter having a stub arranged at a middle part of the feed line. - View Dependent Claims (2, 3, 4)
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5. An antenna apparatus, comprising:
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a dielectric substrate; an antenna element pattern formed on the dielectric substrate; a feed line formed on the dielectric substrate, and connected to the antenna element pattern; a filter inserted into the feed line; and
a signal level adjustment unit for adjusting a signal level on the feed line, the signal level adjustment unit being inserted into the feed line,wherein the filter is placed on a surface, of the dielectric substrate, opposed to another surface on which a grounding pattern is placed, and the filter includes a ring filter having a stub arranged at a middle part of the feed line. - View Dependent Claims (6, 7, 8, 9)
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10. An antenna apparatus, comprising:
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a dielectric substrate; an antenna element pattern formed on the dielectric substrate; a grounding pattern; a feed line connected to the antenna element pattern; and a connector including a signal line connection unit to connect an end of a signal line to the feed line, and a grounding conductor connected to the grounding pattern, wherein another end of the signal line is connected to a transceiver unit and the connector is a surface mount connector, and wherein the surface mount connector is connected to the grounding pattern via a through via formed in the dielectric substrate.
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11. An antenna apparatus, comprising:
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a dielectric substrate; an antenna element pattern formed on the dielectric substrate; a grounding pattern; a feed line connected to the antenna element pattern; and a connector including a signal line connection unit to connect an end of a signal line to the feed line, and a grounding conductor connected to the grounding pattern, wherein another end of the signal line is connected to a transceiver unit and the connector is a surface mount connector, and wherein the dielectric substrate consists of a material that is flexible, and the surface mount connector is connected to the grounding pattern by turning up a part of the dielectric substrate.
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12. An antenna apparatus, comprising:
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a dielectric substrate; an antenna element pattern formed on the dielectric substrate; a grounding pattern; a feed line connected to the antenna element pattern; a connector including a signal line connection unit to connect an end of a signal line to the feed line, and a grounding conductor connected to the grounding pattern, wherein another end of the signal line is connected to a transceiver unit; and one of a narrow-band antenna apparatus and a wideband antenna apparatus.
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13. An antenna apparatus comprising:
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a dielectric substrate; an antenna element pattern formed on the dielectric substrate; a grounding pattern formed on the dielectric substrate; a feed line connected to the antenna element pattern; and a coaxial cable including a signal line connected to the feed line and a grounding conductor connected to the grounding pattern, wherein the grounding conductor of the coaxial cable is connected to the grounding pattern via a through via formed in the dielectric substrate. - View Dependent Claims (14)
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15. An antenna apparatus comprising:
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a dielectric substrate; an antenna element pattern formed on the dielectric substrate; a grounding pattern formed on the dielectric substrate; a feed line connected to the antenna element pattern; and a coaxial cable including a signal line connected to the feed line and a grounding conductor connected to the grounding pattern, wherein; the dielectric substrate consists of a material that is flexible, and the grounding conductor of the coaxial cable is connected to a part of the grounding pattern which part becomes on the same surface as the feed line by partially folding the dielectric substrate. - View Dependent Claims (16)
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17. An antenna apparatus, comprising:
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a dielectric substrate; a balanced feed type antenna element pattern formed on the dielectric substrate; a balanced feed line formed on the dielectric substrate for supplying electric power to the balanced feed type antenna element pattern; and a filter connected to the balanced feed line, wherein the filter is constituted by a stub that extends from a point of the balanced feed line to outside in a first direction, and is bent in a second direction at a point of the stub. - View Dependent Claims (18, 19)
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20. An antenna apparatus, comprising:
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a dielectric substrate; a plurality of antenna element patterns formed on the dielectric substrate; a feed line connected to the antenna element pattern; and a distributor connecting the antenna element patterns and the feed line wherein the antenna element patterns are arranged in mutually different directions. - View Dependent Claims (21, 22, 23, 24)
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25. An antenna apparatus, antenna apparatus, comprising:
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a dielectric substrate; a plurality of antenna element patterns formed on the dielectric substrate; a feed line connected to the antenna element pattern; and a distributor connecting the antenna element patterns and the feed line wherein a filter circuit is provided between the antenna element patterns and the distributor. - View Dependent Claims (26, 27, 28, 29)
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30. An antenna apparatus, comprising:
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a dielectric section; a plurality of antenna element patterns formed on surfaces of the dielectric section; a feed line connected to the antenna element pattern;
a distributor connecting the antenna element patterns and the feed line, wherein the dielectric section is formed in the shape of a prism and each of the antenna element patterns is formed on a different side of the dielectric section. - View Dependent Claims (31)
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Specification