Patents by Inventor Mu-Lan Liao

Mu-Lan 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).

  • Patent number: 8074260
    Abstract: An interactively authorizing access control method applicable to an access control center is disclosed. According to the present invention, an effective time interval can be set for the permit by an authorized person of the object according to his/her usual pass time such that when the access control center identifies the permit is valid, the effectiveness of the permit can be further determined according to the effective time interval set by the authorized person, thereby determining whether the object is allowed to pass.
    Type: Grant
    Filed: July 21, 2006
    Date of Patent: December 6, 2011
    Assignee: Industrial Technology Research Institute
    Inventors: Pin-Chao Hsu, Mu-Lan Liao, Min-Ju Hsieh, Wu-Chi Ho, John D. H. Mai
  • Publication number: 20070115092
    Abstract: An interactively authorizing access control method applicable to an access control center is disclosed. According to the present invention, an effective time interval can be set for the permit by an authorized person of the object according to his/her usual pass time such that when the access control center identifies the permit is valid, the effectiveness of the permit can be further determined according to the effective time interval set by the authorized person, thereby determining whether the object is allowed to pass.
    Type: Application
    Filed: July 21, 2006
    Publication date: May 24, 2007
    Inventors: Pin-Chao Hsu, Mu-Lan Liao, Min-Ju Hsieh, Wu-Chi Ho, John Mai