DIRECTIONAL ANTENNA
PROBLEM TO BE SOLVED: To provide an antenna whose radiation characteristics is directed only to almost half space. SOLUTION: A small directional antenna comprises a ceramics substrate (2) equipped with at least one resonance printed wiring structure (3, 4, and 5) which is especially used for high fr...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | PROBLEM TO BE SOLVED: To provide an antenna whose radiation characteristics is directed only to almost half space. SOLUTION: A small directional antenna comprises a ceramics substrate (2) equipped with at least one resonance printed wiring structure (3, 4, and 5) which is especially used for high frequency and microwave bands. It comprises conductive motherboards (1 and 11). The substrate is disposed on the motherboard. One end of at least one printed wiring structure extends as far as the motherboard. COPYRIGHT: (C)2003,JPO |
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