Patents Assigned to CNA CO., LTD.
  • Patent number: 11114901
    Abstract: A cradle device for providing a wireless charging function according to the present invention comprises: a cradle part provided for being mobile terminal-mountable; a wireless charging module which is disposed inside the cradle part and includes a transmitting coil, a switching part for switching a connecting passage between an external power supply and the transmitting coil, and a control part for controlling the switching part; and an NFC tag coupled to the wireless charging module, wherein, when receiving a tag recognition signal from the NFC tag, the control part performs a turn-on control of the switching part. According to the present invention, the cradle device can simultaneously provide a mobile terminal with a wireless charging function and a user via the mobile terminal with various contents provided through NFC tag information.
    Type: Grant
    Filed: June 27, 2017
    Date of Patent: September 7, 2021
    Assignee: CNA CO., LTD.
    Inventor: Dongsu Cha
  • Publication number: 20190123575
    Abstract: A cradle device for providing a wireless charging function according to the present invention comprises: a cradle part provided for being mobile terminal-mountable; a wireless charging module which is disposed inside the cradle part and includes a transmitting coil, a switching part for switching a connecting passage between an external power supply and the transmitting coil, and a control part for controlling the switching part; and an NFC tag coupled to the wireless charging module, wherein, when receiving a tag recognition signal from the NFC tag, the control part performs a turn-on control of the switching part. According to the present invention, the cradle device can simultaneously provide a mobile terminal with a wireless charging function and a user via the mobile terminal with various contents provided through NFC tag information.
    Type: Application
    Filed: June 27, 2017
    Publication date: April 25, 2019
    Applicant: CNA CO., LTD.
    Inventor: Dongsu CHA
  • Publication number: 20110297564
    Abstract: A case of tablet PC having a display area on the front side comprises; a housing 10 made of hard material to receive the tablet PC 1 as the front side display of it is exposed, including a first housing part 20 having the first hinge 21 on one side and the second hinge 23 on the other side, and a second housing part 30 hinged on the second hinge 23 of the first housing part 20 to be rotated toward the back side of the first housing part 20, and a cover 40 made of hard material and hinged on the first hinge 21 of the housing 10 on one side to open and close the front side display of the tablet PC 1 and having a stopper projection 41 on the other side, the second housing part 30 including side walls 12 to wrap around the side of the tablet PC 1, and the side walls 12 having inward projections 13 to cover the front edge of the tablet PC.
    Type: Application
    Filed: July 7, 2010
    Publication date: December 8, 2011
    Applicants: MOZEN CNA CO., LTD., KUM OH ELECTRONICS CO., LTD.
    Inventors: Ki Sang Kim, Hyun Suk Kim