Patents by Inventor Zhixia Liao

Zhixia Liao 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).

  • Levelness detecting device and method, levelness adjusting device and method
    Patent number: 9733078
    Abstract: The present disclosure discloses a levelness detecting device and method, and a levelness adjusting device and method. The levelness detecting device comprises a light emitter, a semi-reflecting, semi-transmitting mirror, and a plurality of reflecting mirrors comprising a first reflecting mirror, a second reflecting mirror and a third reflecting mirror. The semi-reflecting, semi-transmitting mirror and the plurality of reflecting mirrors are arranged on a to-be-detected plane and are each provided with a scale indicative of a height.
    Type: Grant
    Filed: September 10, 2015
    Date of Patent: August 15, 2017
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD
    Inventors: Xiang Zhou, Dong Guo, Zhixia Liao, Dong Han
  • LEVELNESS DETECTING DEVICE AND METHOD, LEVELNESS ADJUSTING DEVICE AND METHOD
    Publication number: 20170160085
    Abstract: The present disclosure discloses a levelness detecting device and method, and a levelness adjusting device and method. The levelness detecting device comprises a light emitter, a semi-reflecting, semi-transmitting mirror, and a plurality of reflecting mirrors comprising a first reflecting mirror, a second reflecting mirror and a third reflecting mirror. The semi-reflecting, semi-transmitting mirror and the plurality of reflecting mirrors are arranged on a to-be-detected plane and are each provided with a scale indicative of a height.
    Type: Application
    Filed: September 10, 2015
    Publication date: June 8, 2017
    Inventors: Xiang Zhou, Dong Guo, Zhixia Liao, Dong Han