Surface mount antenna, and an antenna element mounting method
First Claim
1. A surface mount antenna configured by mounting on a board a dielectric material on which electrodes are provided, characterized in that:
- said electrodes are formed to have a ground electrode and a feed electrode; and
a ground mount pattern connected to the ground electrode of said electrodes and a feed mount pattern connected to the feed electrode of said electrodes are formed on said board with a predetermined distance between them;
whereina utilized frequency is adjusted by changing an impedance by varying a pattern width of a portion connecting the ground electrode of the electrodes and a GND pattern of a ground side of the board; and
an impedance matching is performed by changing a capacitance based on a dielectric constant of the board by varying an area of a surface of a feed pattern at a position where the feed electrode of the electrodes and a feed side of the board are in opposing relation to each other.
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Accused Products
Abstract
A surface mount antenna is configured by mounting on a board a dielectric material on which electrodes are provided, wherein an antenna element comprises the electrodes having a ground electrode and a feed electrode, and a ground mount pattern connected to the ground electrode of the electrode and a feed mount pattern connected to the feed electrode of the electrode are formed on the board with a predetermined distance in-between. A frequency is adjusted by changing impedance by varying a pattern width of a portion connecting a ground electrode of the electrodes and a GND pattern of a ground side of the board, and an impedance matching is performed by changing capacitance based on dielectric constant of the board by varying area of a surface of a feed pattern at a position where a feed electrode of the electrodes and a feed side of the board are in opposing relation.
61 Citations
6 Claims
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1. A surface mount antenna configured by mounting on a board a dielectric material on which electrodes are provided, characterized in that:
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said electrodes are formed to have a ground electrode and a feed electrode; and a ground mount pattern connected to the ground electrode of said electrodes and a feed mount pattern connected to the feed electrode of said electrodes are formed on said board with a predetermined distance between them;
whereina utilized frequency is adjusted by changing an impedance by varying a pattern width of a portion connecting the ground electrode of the electrodes and a GND pattern of a ground side of the board; and an impedance matching is performed by changing a capacitance based on a dielectric constant of the board by varying an area of a surface of a feed pattern at a position where the feed electrode of the electrodes and a feed side of the board are in opposing relation to each other. - View Dependent Claims (2, 3)
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4. An antenna element mounting method, when an antenna element formed by forming electrodes on surfaces of a dielectric material is mounted on a board, comprising the steps of:
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adjusting a utilized frequency by changing an impedance by varying a pattern width of a portion connecting a ground electrode of said electrodes and a GND pattern of a ground side of the board; and performing an impedance matching by changing a capacitance based on a dielectric constant of the board by varying an area of a surface of a feed pattern at a position where a feed electrode of the electrodes and a feed side of the board are in opposing relation to each other. - View Dependent Claims (5, 6)
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Specification