PROBLEM TO BE SOLVED: To provide radio equipment which detects a position of a mobile with high accuracy, and an antenna device.SOLUTION: The radio equipment comprises: a first antenna that is provided in the mobile so as to face an installation surface on which one or more communication apparatuses are disposed in a direction of travel of the mobile, and has a radiation direction closer to the installation surface in the direction of travel; a second antenna that is provided in the mobile so as to face the installation surface and has a radiation direction closer to the installation surface in a direction opposite to the direction of travel; a power supply circuit which supplies signals of reverse phases to the first antenna and the second antenna during a first mode and supplies signals of the same phase to the first antenna and the second antenna during a second mode; and a detection part for detecting the position of the mobile on the installation surface on the basis of detection results of the communication apparatuses during the first mode and detection results of the communication apparatuses during the second mode.SELECTED DRAWING: Figure 1
【課題】高精度に移動体の位置を検出する無線装置及びアンテナ装置を提供することである。【解決手段】無線装置は、移動体の進行方向に沿って1以上の通信装置が配置される設置面と対向するように移動体に設けられ、進行方向の設置面寄りに放射方向を有する第1のアンテナと、設置面と対向するように移動体に設けられ、進行方向と反対方向の設置面寄りに放射方向を有する第2のアンテナと、第1モードで第1のアンテナと第2のアンテナに逆相の信号を給電し、第2モードで第1のアンテナと第2のアンテナに同相の信号を給電する給電回路と、第1モードにおける通信装置の検出結果及び第2モードにおける通信装置の検出結果に基づいて設置面における移動体の位置を検出する検出部と、を備える。【選択図】図1
RADIO EQUIPMENT AND ANTENNA DEVICE
無線装置及びアンテナ装置
2016-08-25
Patent
Electronic Resource
Japanese