Patents by Inventor Tak Won CHO

Tak Won CHO 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).

  • Doorbell system and security method thereof
    Patent number: 11676463
    Abstract: Provided are a doorbell system and a method of operating the same. The doorbell system includes a doorbell which includes: a camera configured to obtain at least one of an image of a first object in a first region and an image of a second object in a second region closer to the doorbell than the first region; an image processor configured to detect the first object from the image of the first object, and identify the second object from the image of the second object; and an alert generator configured to select and transmit to a user terminal an alert sound or alert sound information corresponding to the identified second object.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: June 13, 2023
    Assignee: Hanwha Techwin Co., Ltd.
    Inventors: Ki Yong Jeon, Tak Won Cho, Seok Yong Yoon, Hee Kyung Kim
  • DOORBELL SYSTEM AND SECURITY METHOD THEREOF
    Publication number: 20190066470
    Abstract: Provided are a doorbell system and a method of operating the same. The doorbell system includes a doorbell which includes: a camera configured to obtain at least one of an image of a first object in a first region and an image of a second object in a second region closer to the doorbell than the first region; an image processor configured to detect the first object from the image of the first object, and identify the second object from the image of the second object; and an alert generator configured to select and transmit to a user terminal an alert sound or alert sound information corresponding to the identified second object.
    Type: Application
    Filed: July 23, 2018
    Publication date: February 28, 2019
    Applicant: Hanwha Techwin Co., Ltd.
    Inventors: Ki Yong JEON, Tak Won CHO, Seok Yong YOON, Hee Kyung KIM