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:
Sep. 07, 2021
Filed:
Jan. 27, 2017
Sony Corporation, Tokyo, JP;
Osamu Kozakai, Kanagawa, JP;
Takaaki Hashiguchi, Tokyo, JP;
Hiroyuki Mita, Saitama, JP;
Yusuke Yoneyama, Tokyo, JP;
Seiji Kobayashi, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A communication apparatus and method, an antenna apparatus, and a communication system that prevent reduced communication characteristics are disclosed. In one example, a coupled antenna element positioned in the vicinity of a communication apparatus is detected, adaptation of impedance is controlled on the basis of the detection result, and wireless communication is performed via the coupled antenna element with the adapted impedance. In addition, an antenna element is excited by a wireless signal from a communication apparatus positioned in the vicinity of the antenna element, and this communication apparatus is notified of being positioned in the vicinity of this antenna element.