COMMUNICATION APPARATUS

A communication apparatus includes: a communication circuit section that processes a high-frequency signal for transferring data; a transfer path for the signal connected to the circuit section; a ground; a coupling electrode supported opposite and away in height from the ground; a resonance section...

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Bibliographic Details
Main Author MAEKAWA ITARU
Format Patent
LanguageEnglish
Published 21.10.2010
Subjects
ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
HANDLING RECORD CARRIERS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
TRANSMISSION
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Summary:A communication apparatus includes: a communication circuit section that processes a high-frequency signal for transferring data; a transfer path for the signal connected to the circuit section; a ground; a coupling electrode supported opposite and away in height from the ground; a resonance section that increases a current flowing into the electrode via the path; and a main body housing that assumes a plurality of placement postures and houses the respective components, one end surface of the housing serving as a reading surface in which the electrode is disposed offset from a center of the reading surface. An infinitesimal dipole is formed from a line segment connecting between a center of a charge in the electrode and a center of an image charge in the ground. The signal is transferred toward a communication partner disposed oppositely to form an angle of substantially 0 degrees with a direction of the dipole.
Bibliography:Application Number: US20100757680