Patents by Inventor Sin Dae Choi

Sin Dae Choi 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).

  • Method and system for switching a push-based video call between devices in a group
    Patent number: 10298879
    Abstract: Methods, devices, and systems are provided herein related to a connection management server connected to a signaling server, a push server, at least one home device, and at least two smart devices. The connection management server includes a connection management request receiver for receiving a video call connection request or a user switching request. A connection management request transmitter is also included for transmitting a connection state releasing request to the home device and the first smart device, for transmitting a video call push notification transmission request to the push server upon the video call connection request, and for transmitting a user switching push notification transmission request to the push server upon the user switching request. A group manager is also included for managing, in a group, smart device identity corresponding to a push notification sent from the push server.
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: May 21, 2019
    Assignee: Kyung Dong One Corporation
    Inventors: Sin Dae Choi, Wang Ki Lee
  • METHOD AND SYSTEM FOR SWITCHING A PUSH-BASED VIDEO CALL BETWEEN DEVICES IN A GROUP
    Publication number: 20170214886
    Abstract: Methods, devices, and systems are provided herein related to a connection management server connected to a signaling server, a push server, at least one home device, and at least two smart devices. The connection management server includes a connection management request receiver for receiving a video call connection request or a user switching request. A connection management request transmitter is also included for transmitting a connection state releasing request to the home device and the first smart device, for transmitting a video call push notification transmission request to the push server upon the video call connection request, and for transmitting a user switching push notification transmission request to the push server upon the user switching request. A group manager is also included for managing, in a group, smart device identity corresponding to a push notification sent from the push server.
    Type: Application
    Filed: January 25, 2017
    Publication date: July 27, 2017
    Inventors: Sin Dae Choi, Wang Ki Lee