Earphone antenna, composite coil used therefor coaxial cable and radio device with the earphone antenna

An earphone antenna in which a balun is connected to one side and the other side having an audio/high-frequency dual-function signal connecting the earphone unit via a loading coil and wireless equipment connected to the balun, the loading coil selecting low impedance for fundamental frequency and s...

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Bibliographic Details
Main Authors IMAGAWA TOSHIYUKI, YOSHINO YOSHITAKA, OOZEKI MINORU
Format Patent
LanguageEnglish
Published 06.04.2006
Subjects
ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
TRANSMISSION
WAVEGUIDES
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Summary:An earphone antenna in which a balun is connected to one side and the other side having an audio/high-frequency dual-function signal connecting the earphone unit via a loading coil and wireless equipment connected to the balun, the loading coil selecting low impedance for fundamental frequency and selecting to obtain high impedance for higher frequencies, in order to integrate earphone and antenna.
Bibliography:Application Number: US20050546449