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:
Nov. 17, 2015

Filed:

Dec. 17, 2012
Applicant:

Foundation of Soongsil University-industry Cooperation, Seoul, KR;

Inventors:

Kang-Hee Kim, Gyeonggi-do, KR;

Hyeong-Seok Kang, Seoul, KR;

Jin-Young Choi, Seoul, KR;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 15/16 (2006.01); H04L 12/26 (2006.01); H04L 12/40 (2006.01); H04L 12/413 (2006.01);
U.S. Cl.
CPC ...
H04L 43/0852 (2013.01); H04L 12/40 (2013.01); H04L 12/413 (2013.01);
Abstract

A master device for calculating a synchronized actuation time for an N number of slave devices (N being an integer greater than or equal to 2) includes: a transmitting part configured to transmit a request message a K number of times (K being an integer greater than or equal to 2) to each of the N number of slave devices, where the request message includes an actuation command; a receiving part configured to receive a reply message from each of the N number of slave devices, where the reply message includes information on a K number of end-to-end delay times; and an absolute-time calculating part configured to calculate an absolute time for concurrently actuating the N number of slave devices by using the information on the K number of end-to-end delay times received from each of the N number of slave devices.


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