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:
Feb. 07, 2023
Filed:
Apr. 24, 2020
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Sejong Yoon, Gyeonggi-do, KR;
Moonseok Kang, Gyeonggi-do, KR;
Hyunchul Kim, Gyeonggi-do, KR;
Yi Yang, Gyeonggi-do, KR;
Jonghoon Jang, Gyeonggi-do, KR;
Doosuk Kang, Gyeonggi-do, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A first electronic device, second electronic device, and a method are disclosed herein. The first electronic device includes communication circuitry and a processor that implements the method, including transmitting, using the communication circuit, a distance measurement signal including the first secure preamble to the second electronic device, receiving a response signal through the communication circuit including a second secure preamble generated by the second electronic device from the external electronic device, authenticating the response signal based on the second secure preamble, and based on successful authentication, determining a distance to the second electronic device based on a transmission time of the distance measurement signal and a reception time of the response signal.