ANTENNA AND COMMUNICATION APPARATUS

ANTENNA AND COMMUNICATION APPARATUS

An antenna includes, a radiation conductor that is fed by one end, has another end serving as an opened end, and emits or receives radio waves, a first grounding conductor that is installed at the one end side of the radiation conductor and is grounded, a second grounding conductor that is electrica...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: BAN, Yasumitsu, Kai, Manabu
Format: Patent
Sprache:eng
Schlagworte:
ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
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Beschreibung
Zusammenfassung:An antenna includes, a radiation conductor that is fed by one end, has another end serving as an opened end, and emits or receives radio waves, a first grounding conductor that is installed at the one end side of the radiation conductor and is grounded, a second grounding conductor that is electrically coupled with the first grounding conductor and is formed in a cylindrical shape around the radiation conductor with an elongation direction of the radiation conductor as an axial direction. At least one of the first grounding conductor and the second grounding conductor is electric-field coupled with a conductor where the antenna is installed.