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:
Dec. 10, 2013
Filed:
Mar. 11, 2011
Applicant:
Jia-bin Huang, Hsin-Chu, TW;
Inventor:
Jia-Bin Huang, Hsin-Chu, TW;
Assignee:
PixArt Imaging Inc., Science-Based Industrial Park, Hsin-Chu, TW;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
An active slave device for a Bluetooth system comprises a non-volatile memory unit for storing a plurality of link keys corresponding to a master device capable of switching among a plurality of operating modes, wherein the plurality of link keys correspond to the plurality of operating modes and are generated by a key pairing performed between the active slave device and the master device; and a key fishing unit for searching whether any of the plurality of link keys conforms to a qualified link key that can enable the active slave device under the current operating mode of the master device.