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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.:

US 11979738 B1

PDFFull Text
Date of Patent:
May. 07, 2024

Filed:

Mar. 29, 2023

Schemes for effectively estimating user behavior to achieve a variety of automatic applications by detecting the angle of the transmitted signal to generate head pose direction estimation

Applicant:

Pixart Imaging Inc., Hsin-Chu, TW;

Inventors:

Shih-Feng Chen, Hsin-Chu, TW;

Yen-Min Chang, Hsin-Chu, TW;

Assignee:

PixArt Imaging Inc., Hsin-Chu, TW;

Attorney:

Winston Hsu

Primary Examiner:

Angelica Perez

Int. Cl.
CPC ...
H04W 4/02 (2018.01); G06F 3/01 (2006.01); G06F 3/16 (2006.01); H04S 7/00 (2006.01); H04W 4/024 (2018.01); H04W 4/029 (2018.01); H04W 4/80 (2018.01); H04W 12/50 (2021.01);
U.S. Cl.
CPC ...
H04S 7/304 (2013.01); G06F 3/012 (2013.01); G06F 3/167 (2013.01); H04W 4/024 (2018.02); H04W 4/026 (2013.01); H04W 4/029 (2018.02); H04W 4/80 (2018.02); H04W 12/50 (2021.01);
Abstract

A method of wireless communication locator station to be disposed at specific location includes: detecting rotation angle information of client-based portable device, carried or worn by user, according to specific wireless communication standard between wireless communication locator station and client-based portable device when client-based portable device is within signal range of wireless communication locator station; generating head pose direction estimation according to calculated rotation angle information; and when head pose direction estimation indicates that a user turns face towards wireless communication locator station, sending packet signal from wireless communication locator station to server-based portable device, successfully paired with and security-connected with client-based portable device, so that server-based portable device can transfer packet signal to client-based portable device after receiving packet signal.

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