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. 15, 2020
Filed:
Sep. 19, 2019
Toshiba Tec Kabushiki Kaisha, Tokyo, JP;
Seiya Kishimoto, Tokyo, JP;
TOSHIBA TEC KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A wireless tag reading apparatus includes an antenna, an actuator, a phase detector, and a processor. The actuator is configured to move the antenna along a predetermined effective detection region. The processor is configured to calculate a first phase difference based on a phase of a response wave signal received by the antenna at a first plurality of antenna positions, and a second phase difference based on the phase of the response wave signal received by the antenna at a second plurality of antenna positions. The processor is configured to calculate first and second incident angles of the response wave signal for the antenna at the first and second plurality of antenna positions, respectively, based on the first and second phase differences, respectively. The processor is configured to determine whether or not the wireless tag is in the predetermined effective detection region based on the first and second incident angles.