Antenna device and high-frequency transmitter
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United States of America Patent
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Jun 12, 2018
Issued Date -
Dec 7, 2017
app pub date -
Dec 22, 2015
filing date -
Dec 25, 2014
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Abstract
An antenna device includes: antennas; magnetic oscillation element units converting electrical energy to high-frequency power; and a modulator outputting electrical energy input from outside to at least two magnetic oscillation element units, with a time difference to differentiate phases of high-frequency power converted from electrical energy by at least two magnetic oscillation element units. The magnetic oscillation element units respectively include a pair of electrodes, and further include, between the pair of electrodes, a PIN layer, a free layer, and an intermediate layer. A resistance value of an element configured by the PIN, free and intermediate layers changes according to the angle between the magnetization direction of the PIN layer and the magnetization direction of the free layer. The antennas transmit electromagnetic waves to open space outside the magnetic oscillation element units with the supply of high-frequency power.
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