Re-configurable built-in antenna for portable terminal
First Claim
1. A re-reconfigurable built-in antenna of a portable terminal, the antenna comprising:
- an antenna radiator having a feeding pad electrically connected to a feeding portion of a main board of the terminal and at least one ground pad disposed in a position different from that of the feeding pad for selectively establishing a direct electrical connection to a ground portion of the terminal; and
a switching element, commonly connected to the at least one ground pad of the antenna radiator, for selectively establishing an electrical connection to the ground portion by a switching operation,wherein the antenna radiator changes an electrical length of the antenna radiator by using the selective electrical connection of the ground portion so as to have various operational frequency bands and radiation properties.
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Accused Products
Abstract
A re-reconfigurable built-in antenna of a portable terminal is provided. The antenna includes an antenna radiator having a feeding pad electrically connected to a feeding portion of a main board of the terminal and at least one ground pad disposed in a position different from that of the feeding pad for selectively establishing an electrical connection to a ground portion of the terminal, and a switching element, commonly connected to the at least one ground pad of the antenna radiator, for selectively establishing an electrical connection to the ground portion by a switching operation. The antenna radiator changes a shape of the antenna radiator by using the selective electrical connection of the ground portion so as to have various operational frequency bands and radiation properties.
18 Citations
13 Claims
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1. A re-reconfigurable built-in antenna of a portable terminal, the antenna comprising:
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an antenna radiator having a feeding pad electrically connected to a feeding portion of a main board of the terminal and at least one ground pad disposed in a position different from that of the feeding pad for selectively establishing a direct electrical connection to a ground portion of the terminal; and a switching element, commonly connected to the at least one ground pad of the antenna radiator, for selectively establishing an electrical connection to the ground portion by a switching operation, wherein the antenna radiator changes an electrical length of the antenna radiator by using the selective electrical connection of the ground portion so as to have various operational frequency bands and radiation properties. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A multi-band portable terminal, the terminal comprising:
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a main board; an antenna radiator having a feeding pad electrically connected to a feeding portion of the main board and at least one ground pad disposed in a position different from that of the feeding pad for selectively establishing a direct electrical connection to a ground portion of the terminal; a switching element, commonly connected to the at least one ground pad of the antenna radiator, for selectively establishing an electrical connection to the ground portion by a switching operation; and a controller for controlling the switching element so that the antenna radiator has an electrical length corresponding to a frequency band used by the terminal. - View Dependent Claims (10, 11, 12, 13)
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Specification