Patents by Inventor Yang-Jung Lee

Yang-Jung Lee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • System and method for updating electronic shelf labels and updating apparatus and method of an electronic shelf label
    Patent number: 9268519
    Abstract: An exemplary embodiment of a system for updating electronic shelf labels (ESLs) comprises multiple ESLs, and a gateway connected to the multiple ESLs to update data of the multiple ESLs. Each ESL comprises a transceiver having a media condition detector to detect whether other ESL(s) perform an update at the time slot, a controller, a memory, and a random number generator randomly selecting one of multiple time slots of a frame when an ESL update procedure begins, wherein the time slot corresponds to an index stored in the memory by the controller. The ESL performs the update at this time slot when none of said other ESL(s) performs the update at the time slot. When said other ESL(s) performs the update at the time slot, the controller enables the random number generator to randomly select another time slot from a next time frame.
    Type: Grant
    Filed: June 3, 2013
    Date of Patent: February 23, 2016
    Assignee: Industrial Technology Research Institute
    Inventors: Yuan-Chu Tai, Chun-Hsien Wu, Yueh-Feng Lee, Yang-Jung Lee
  • SYSTEM AND METHOD FOR UPDATING ELECTRONIC SHELF LABELS AND UPDATING APPARATUS AND METHOD OF AN ELECTRONIC SHELF LABEL
    Publication number: 20140313012
    Abstract: An exemplary embodiment of a system for updating electronic shelf labels (ESLs) comprises multiple ESLs, and a gateway connected to the multiple ESLs to update data of the multiple ESLs. Each ESL comprises a transceiver having a media condition detector to detect whether other ESL(s) perform an update at the time slot, a controller, a memory, and a random number generator randomly selecting one of multiple time slots of a frame when an ESL update procedure begins, wherein the time slot corresponds to an index stored in the memory by the controller. The ESL performs the update at this time slot when none of said other ESL(s) performs the update at the time slot. When said other ESL(s) performs the update at the time slot, the controller enables the random number generator to randomly select another time slot from a next time frame.
    Type: Application
    Filed: June 3, 2013
    Publication date: October 23, 2014
    Applicant: Industrial Technology Research Institute
    Inventors: Yuan-Chu Tai, Chun-Hsien Wu, Yueh-Feng Lee, Yang-Jung Lee