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.

Date of Patent:
Mar. 04, 2025

Filed:

Nov. 11, 2019
Applicant:

Sony Group Corporation, Tokyo, JP;

Inventors:

Shigeru Sugaya, Tokyo, JP;

Ren Sugai, Tokyo, JP;

Yusuke Tanaka, Tokyo, JP;

Kosuke Aio, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 48/16 (2009.01); H04W 48/08 (2009.01); H04W 68/00 (2009.01); H04W 72/0453 (2023.01); H04W 84/12 (2009.01);
U.S. Cl.
CPC ...
H04W 48/16 (2013.01); H04W 48/08 (2013.01); H04W 68/005 (2013.01); H04W 72/0453 (2013.01); H04W 84/12 (2013.01);
Abstract

A communication device and a communication method for allowing a communication terminal to be able to search for access points within a short time are provided. A communication device operating as an access point in a wireless network transmits a beacon signal at a predetermined beacon interval on an operation channel selected from available frequency channels. In addition, the communication device performs data transmission and data reception to/from a communication terminal subordinate thereto on the operation channel, and transmits a notification signal including information about the operation channel while switching channels at each predetermined cycle in available frequency channels other than the operation channel.


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