Antenna device

An antenna device having a high gain is presented. The device includes an antenna element, a variable capacitor disposed closely to the antenna element and connected to the antenna element in series or parallel to form a resonance circuit, a tuning voltage supply terminal for supplying a tuning volt...

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Bibliographic Details
Main Authors YASUDA, MASASHI, ONISHI, MASAO, KITAMURA, HIROKAZU, NAKASHIMA, YOSHIHIRO
Format Patent
LanguageEnglish
French
German
Published 21.05.2003
Edition7
Subjects
ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
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Summary:An antenna device having a high gain is presented. The device includes an antenna element, a variable capacitor disposed closely to the antenna element and connected to the antenna element in series or parallel to form a resonance circuit, a tuning voltage supply terminal for supplying a tuning voltage for varying a capacitance of the variable capacitor, and an signal power terminal capable of at least one of sending a signal power to the resonance circuit and receiving a signal power from the resonance circuit.
Bibliography:Application Number: EP20010122635