The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 12, 2018
Filed:
Apr. 14, 2014
Yokogawa Electric Corporation, Musashino-shi, Tokyo, JP;
Masaaki Yonezawa, Musashino, JP;
Yokogawa Electric Corporation, Tokyo, JP;
Abstract
It is to realize a field wireless relay device which can extend a life of a battery as compared to the prior art. A field wireless relay device configured to be driven by a battery and having a communication relay unit, the communication relay unit having a receiving and transmitting function of amplifying again and transmitting a received signal of wireless communication performed between a transmitting station and a receiving station through an antenna and a routing function of designating a communication path of the wireless communication, the field wireless relay device comprises an antenna control unit configured to control a connected antenna system, and an antenna control decision unit configured to decide a type of control to be performed by the antenna control unit on the basis of a signal intensity of the received signal to be relayed.