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:
Sep. 15, 2015

Filed:

Jan. 24, 2011
Applicants:

Seon Wook Kim, Namyangju-si, KR;

Jong-ok Kim, Seoul, KR;

Seok Joong Hwang, Paju-si, KR;

Inventors:

Seon Wook Kim, Namyangju-si, KR;

Jong-Ok Kim, Seoul, KR;

Seok Joong Hwang, Paju-si, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 1/00 (2006.01); H04W 4/12 (2009.01); H04B 5/00 (2006.01); H04L 1/18 (2006.01);
U.S. Cl.
CPC ...
H04L 1/0007 (2013.01); H04B 5/0031 (2013.01); H04B 5/0037 (2013.01); H04L 1/1809 (2013.01); H04W 4/12 (2013.01);
Abstract

This invention relates to a data transmission method in a passive communication system being wirelessly powered up and being passively operable, without using its own power, for data transmission and reception, such as in a passive RFID (Radio Frequency IDentification) communication system, which is capable of effectively configuring a message transmitted by a passive device, thereby providing improved transmission efficiency.


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