Patents by Inventor Chia Wei Hee

Chia Wei Hee 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).

  • Double-sided printer for printing receipts on thermal paper
    Patent number: 10576755
    Abstract: The invention relates to an arrangement for double-sided printing of thermal paper, with a first print head for printing the front side of the thermal paper and a second print head for printing the back side of the thermal paper. The arrangement comprises a first counter-pressure element lying opposite to the first print head and a second counter-pressure element lying opposite to the second print head, the thermal paper being guided between the first print head and the first counter-pressure element and between the second print head and the second counter-pressure element. A first unit is provided which can be moved relative to a second unit, the first print head being arranged in the first unit, and the second print head, the first counter-pressure element and the second counter-pressure element being arranged in the second unit.
    Type: Grant
    Filed: April 11, 2012
    Date of Patent: March 3, 2020
    Assignee: Wincor Nixdorf International GmbH
    Inventors: Ridwan Liow, Chia Wei Hee
  • DOUBLE-SIDED PRINTER FOR PRINTING RECEIPTS ON THERMAL PAPER
    Publication number: 20140049592
    Abstract: The invention relates to an arrangement for double-sided printing of thermal paper, with a first print head for printing the front side of the thermal paper and a second print head for printing the back side of the thermal paper. The arrangement comprises a first counter-pressure element lying opposite to the first print head and a second counter-pressure element lying opposite to the second print head, the thermal paper being guided between the first print head and the first counter-pressure element and between the second print head and the second counter-pressure element. A first unit is provided which can be moved relative to a second unit, the first print head being arranged in the first unit, and the second print head, the first counter-pressure element and the second counter-pressure element being arranged in the second unit.
    Type: Application
    Filed: April 11, 2012
    Publication date: February 20, 2014
    Applicant: WINCOR NIXDORF INTERNATIONAL GMBH
    Inventors: Ridwan Liow, Chia Wei Hee