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:
Jan. 05, 2021
Filed:
Sep. 29, 2017
Lg Electronics Inc., Seoul, KR;
Younghwan Kwon, Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
Abstract
The present invention relates to a method and an apparatus for a client to transmit and receive data to and from a server by Bluetooth. According to the present invention, a method and an apparatus are provided for forming a Bluetooth low energy (LE) connection with a server; and transmitting, to the server, a first read request message requesting to read a first characteristic including first coupling state information, wherein the first coupling state information is a part of a specific coupling state information indicating a state of coupling between the server and at least one of the devices; receiving, from the server, a first read response message including the first coupling state information; and receiving, from the server, an indication message including changed coupling state information included in a second characteristic if the coupling state has changed, wherein the changed coupling state information indicates the changed coupling state between the server and the at least one device.