Patents by Inventor Janet J Z X Jin

Janet J Z X Jin 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: 7629894
    Abstract: A plurality of directional sounders located in a region being monitored can be synchronously and sequentially activated in various patterns to establish an audibly defined exit route from the region. Emitted audio, from a respective sounder, can be different than the audio emitted by other activated sounders to provide a path and direction for evacuation to individuals in the vicinity of the exit route.
    Type: Grant
    Filed: June 6, 2006
    Date of Patent: December 8, 2009
    Assignee: Honeywell International Inc.
    Inventors: Thomas A. Plocher, Janet J Z X Jin, Foong Yeen Chan, Qing Li