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:
Apr. 28, 2020
Filed:
Jun. 17, 2019
Panasonic Intellectual Property Corporation of America, Torrance, CA (US);
Junichi Morita, Tokyo, JP;
Naganori Shirakata, Kanagawa, JP;
Hiroshi Takahashi, Kanagawa, JP;
Kazuma Nishiyasu, Kanagawa, JP;
Panasonic Intellctual Property Corporation of America, Torrance, CA (US);
Abstract
A control device includes a communication unit, a storage, and a position estimator. The position estimator updates a position of the first wireless communication device by using a difference between first reception quality and third reception quality and a difference between second reception quality and fourth reception quality. A first response signal includes at least the first reception quality calculated when a first control signal is received by the first wireless communication device and the second reception quality of a second response signal calculated when the second response signal is received by the first wireless communication device, and a third response signal includes at least the third reception quality of a third control signal and the fourth reception quality of a fourth response signal calculated when the fourth response signal is received by the first wireless communication device.