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:
May. 29, 2018

Filed:

Mar. 30, 2011
Applicants:

Do-young Kim, Gyeonggi-do, KR;

Clint F. Chaplin, San Jose, CA (US);

Eun-tae Won, Seoul, KR;

Inventors:

Do-Young Kim, Gyeonggi-do, KR;

Clint F. Chaplin, San Jose, CA (US);

Eun-Tae Won, Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/116 (2013.01); H04B 10/114 (2013.01); H04W 52/02 (2009.01); H04W 28/18 (2009.01); H04W 48/08 (2009.01);
U.S. Cl.
CPC ...
H04B 10/116 (2013.01); H04B 10/114 (2013.01); H04W 52/0235 (2013.01); H04W 52/0267 (2013.01); H04W 28/18 (2013.01); H04W 48/08 (2013.01); Y02B 60/50 (2013.01); Y02D 70/00 (2018.01);
Abstract

An apparatus and method for determining whether to output a visibility frame by a Visibility Light Communication (VLC) device according to a setting of a sleep mode is provided. The method includes receiving a sleep mode request message; and transmitting a response message indicating a sleep mode period in response to the received sleep mode request message, wherein the response message includes information indicating at least one first window period in which data transmission and reception are stopped, information indicating at least one second window period in which data transmission and reception can be performed in a normal state, and setting information for determining whether to transmit a visibility frame during at least a period of the sleep mode period.


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