Patents by Inventor Xiu-Wei Zhao

Xiu-Wei Zhao 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).

  • Patent number: 6493022
    Abstract: The present invention is a security monitoring system which effectively monitors a large number of areas in a cost effective manner using already existing communications infrastructure. More specifically, the method and apparatus of the present invention warns at least one security post of an undesired condition at a monitored area by sending a fax of an image of the monitored area via a phone line and/or by sending an E-mail of a color image via a global telecommunications network such as the Internet. Generally, the present invention includes a camera for creating a first image of the monitored area at a first time point and for creating a second image of the monitored area at a second time point. In addition, a data storage device stores the first image and the second image, and an image processor, coupled to the data storage device, compares the first image with the second image.
    Type: Grant
    Filed: March 5, 1999
    Date of Patent: December 10, 2002
    Assignee: Biscom, Inc.
    Inventors: Shu-Kuang Ho, Xiu-Wei Zhao
  • Patent number: RE38908
    Abstract: The present invention is a security monitoring system which effectively monitors a large number of areas in a cost effective manner using already existing communications infrastructure. More specifically, the method and apparatus of the present invention warns at least one security post of an undesired condition at a monitored area by sending a fax of an image of the monitored area via a phone line and/or by sending an E-mail of a color image via a global telecommunications network such as the Internet. Generally, the present invention includes a camera for creating a first image of the monitored area at a first time point and for creating a second image of the monitored area at a second time point. In addition, a data storage device stores the first image and the second image, and an image processor, coupled to the data storage device, compares the first image with the second image.
    Type: Grant
    Filed: May 5, 2004
    Date of Patent: December 6, 2005
    Assignee: Biscom, Inc.
    Inventors: Shu-Kuang Ho, Xiu-Wei Zhao