Transmission Apparatus, Antenna Drive Apparatus, Tuning Method, and Program for Realizing Tuning Method

Transmission Apparatus, Antenna Drive Apparatus, Tuning Method, and Program for Realizing Tuning Method

[Solving Means] An antenna resonance unit (110) includes an antenna coil (L1) and an impedance matching unit (114). A drive unit (e.g., antenna drive unit 130) generates a transmission signal with respect to the antenna resonance unit (110). A detection unit (106) detects a drive current or drive po...

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1. Verfasser: KANNO, Masayoshi
Format: Patent
Sprache:eng
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CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
GENERATION
SYSTEMS FOR STORING ELECTRIC ENERGY
TRANSMISSION
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description [Solving Means] An antenna resonance unit (110) includes an antenna coil (L1) and an impedance matching unit (114). A drive unit (e.g., antenna drive unit 130) generates a transmission signal with respect to the antenna resonance unit (110). A detection unit (106) detects a drive current or drive power for operating the drive unit. A control unit (140) is capable of generating a control signal for controlling the impedance matching unit (114), and controls a resonance frequency of the antenna resonance unit (110) using, out of the control signal, an optimal control value with which the drive current or drive power detected by the detection unit (106) becomes minimum.
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subjects CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
GENERATION
SYSTEMS FOR STORING ELECTRIC ENERGY
TRANSMISSION
title Transmission Apparatus, Antenna Drive Apparatus, Tuning Method, and Program for Realizing Tuning Method
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