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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 11991517 B1

PDFFull Text
Date of Patent:
May. 21, 2024

Filed:

Jan. 10, 2022

Bluetooth communication system capable of increasing generation efficiency of cypher keys required for data transmission between bluetooth host device and bluetooth device set, and related bluetooth device set

Applicant:

Realtek Semiconductor Corp., Hsinchu, TW;

Inventors:

Yu Hsuan Liu, Hsinchu, TW;

Yung Chieh Lin, Hsinchu, TW;

Po Sheng Chiu, Hsinchu, TW;

Assignee:

REALTEK SEMICONDUCTOR CORP., Hsinchu, TW;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Michael R Vaughan

Int. Cl.
CPC ...
H04W 12/041 (2021.01); G06F 3/0482 (2013.01); H04L 9/08 (2006.01); H04L 9/14 (2006.01); H04W 4/80 (2018.01); H04W 8/00 (2009.01); H04W 12/03 (2021.01); H04W 12/037 (2021.01); H04W 12/0471 (2021.01); H04W 12/50 (2021.01); H04W 12/55 (2021.01); H04W 76/15 (2018.01); H04W 84/18 (2009.01);
U.S. Cl.
CPC ...
H04W 12/041 (2021.01); G06F 3/0482 (2013.01); H04L 9/0866 (2013.01); H04L 9/14 (2013.01); H04W 4/80 (2018.02); H04W 8/005 (2013.01); H04W 12/03 (2021.01); H04W 12/037 (2021.01); H04W 12/0471 (2021.01); H04W 12/50 (2021.01); H04W 12/55 (2021.01); H04W 76/15 (2018.02); H04W 84/18 (2013.01);
Abstract

A Bluetooth communication system includes: a Bluetooth host device; and a Bluetooth device set which including a first member device and a second member device. The first member device transmits a device information of the first member device to the Bluetooth host device. The Bluetooth host device controls a display device to display a candidate device list, and to display a single device item in the candidate device list to represent the Bluetooth device set, but does not simultaneously display two device items in the candidate device list to represent the first member device and the second member device. The Bluetooth host device further establishes a connection with the first member device to conduct pairing procedure to generate a first cypher key after receiving a selection command. The first member device further establishes a connection with the Bluetooth host device to conduct pairing procedure to generate a second cypher key.

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