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. 01, 2018

Filed:

Oct. 08, 2016
Applicant:

Ospicon Systems Pte Ltd, Singapore, SG;

Inventors:

Seng Tat Ng, Singapore, SG;

Hwee Siong Chong, Singapore, SG;

Xin Jiang, Singapore, SG;

Sheng Su, Guangdong, CN;

Assignee:

OSPICON SYSTEMS PTE LTD, Singapore, SG;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 7/10 (2006.01);
U.S. Cl.
CPC ...
G06K 7/10207 (2013.01); G06K 7/10366 (2013.01);
Abstract

The present invention provides a method of operating a bi-directional communication system between a plurality of communication devices, which comprises at least one communication controller and a plurality of nodes including a first node. The method includes periodically broadcasting a beacon signal from said communication controller at a broadcast interval via a channel of a first host. The beacon signal contains a first address of the communication controller. The method further includes periodically scanning the beacon signal on the first host by the first node. Upon detecting of the beacon signal by the first node, the first node transmits an identification payload to the communication controller. Upon receipt of the identification payload by the communication controller, an acknowledgement signal is transmitted to the first node.


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Ng, Seng. (2018). Bi-directional communication system for logistic tracking (U.S. Patent No. 9959434). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9959434

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