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:
Oct. 28, 2025
Filed:
Jan. 14, 2025
Suprema Inc., Seongnam-si, KR;
SUPREMA INC., Seongnam-si, KR;
Abstract
An access control device according to an embodiment includes: a communication module configured to perform communication by using a UWB communication protocol and one or more processors, and the communication module includes: a substrate, an antenna disposed on a first surface of the substrate, and a ground disposed on a second surface which is opposite to the first surface of the substrate, and the one or more processors are configured to: receive a signal from a user terminal through the communication module; and determine whether the user terminal is positioned in a first direction or second direction, based on a change in a phase angle of the signal received from the user terminal when a direction from the substrate to the antenna is the first direction and a direction from the substrate to the ground is the second direction.