Antenna Device and Communication Apparatus
First Claim
1. An antenna device comprising:
- a substrate;
a conductor film which is disposed on a portion of the substrate;
a feed point disposed on the substrate;
a loading section disposed on the substrate and constructed with a line-shaped conductor pattern which is formed in a longitudinal direction of an elementary body made of a dielectric material;
an inductor section which connects one end of the conductor pattern to the conducive film; and
a feed point which feeds a current to a connection point of the one end of the conductor pattern and the inductor section, wherein a longitudinal direction of the loading section is arranged to be parallel to an edge side of the conductor film.
2 Assignments
0 Petitions
Accused Products
Abstract
There is provided an antenna device including a substrate, an earth section which is disposed on a portion of the substrate, a feed point which is disposed on the substrate, a loading section disposed on the substrate and constructed with a line-shaped conductor pattern which is formed in a longitudinal direction of an elementary body made of a dielectric material, an inductor section which connects one end of the conductor pattern to the earth section, and a feed point which feeds a current to a connection point of the one end of the conductor pattern and the inductor section, wherein a longitudinal direction of the loading section is arranged to be parallel to an edge side of the earth section.
196 Citations
22 Claims
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1. An antenna device comprising:
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a substrate;
a conductor film which is disposed on a portion of the substrate;
a feed point disposed on the substrate;
a loading section disposed on the substrate and constructed with a line-shaped conductor pattern which is formed in a longitudinal direction of an elementary body made of a dielectric material;
an inductor section which connects one end of the conductor pattern to the conducive film; and
a feed point which feeds a current to a connection point of the one end of the conductor pattern and the inductor section, wherein a longitudinal direction of the loading section is arranged to be parallel to an edge side of the conductor film. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An antenna device comprising:
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a substrate;
a conductor film which is formed to extend in one direction on a surface of the substrate;
first and second loading sections which are disposed to be separated from the conductor film on the substrate and constructed by forming a line-shaped conductor pattern on an elementary body made of a dielectric material, a magnetic material, or a complex material having dielectric and magnetic properties;
an inductor section which is connected between one end of the conductor pattern and the conductor film; and
a feed section which feeds a current to a connection point of the one end of the conductor pattern and the inductor section, wherein a first resonance frequency is set by the first loading section, the inductor section, and the feed section, and a second resonance frequency is set by the second loading section, the inductor section, and the feed section. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. A communication apparatus comprising:
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a case; and
a communication control circuit which is disposed in an inner portion of the case; and
an antenna device which is connected to the communication control circuit, wherein the case includes a case body and an antenna receiving portion which is disposed to extend from one side wall of the case body outward, wherein the antenna device includes;
a substantially L-shaped substrate which has a first substrate portion extending in one direction and a second substrate portion curved from the first substrate portion and extending toward a lateral direction of the first substrate portion;
a ground connection portion which is disposed on the substrate and connected to a ground of the communication control circuit;
a first loading section which is disposed on the first substrate portion and constructed by forming a line-shaped conductor pattern on an elementary body made of a dielectric material, a magnetic material, or a complex material having dielectric and magnetic properties;
a second loading section which is disposed on the second substrate portion and constructed by forming a line-shaped conductor pattern on an elementary body made of a dielectric material, a magnetic material, or a complex material having dielectric and magnetic properties;
an inductor section which connects ends of the first and second loading sections to the ground connection portion; and
a feed section which is connected to the communication control circuit and feeds a current to a connection point of the ends of the first and second loading section and the inductor section, and wherein any one of the first substrate portion provided with the first loading section and the second substrate portion provided with the second loading section are disposed in the antenna receiving portion, and the other is disposed along an inner surface of the one side wall. - View Dependent Claims (19, 20, 21, 22)
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Specification