Patents by Inventor Sendil Rangaswamy

Sendil Rangaswamy 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: 8456304
    Abstract: A security system for detecting physical intrusion in a monitored area including a plurality of radio units arranged in a network around the monitored area to determine received signal strength and pass variations thereof through the radio units to a base station.
    Type: Grant
    Filed: July 31, 2012
    Date of Patent: June 4, 2013
    Assignee: Intelligent Automation, Inc.
    Inventors: Eric van Doorn, Sendil Rangaswamy
  • Publication number: 20120319844
    Abstract: A security system for detecting physical intrusion in a monitored area including a plurality of radio units arranged in a network around the monitored area to determine received signal strength and pass variations thereof through the radio units to a base station.
    Type: Application
    Filed: July 31, 2012
    Publication date: December 20, 2012
    Applicant: INTELLIGENT AUTOMATION, INC.
    Inventors: Eric van Doorn, Sendil Rangaswamy
  • Patent number: 8232878
    Abstract: A security system for detecting physical intrusion in a monitored area including a plurality of radio units arranged in a network around the monitored area to determine received signal strength and pass variations thereof through the radio units to a base station.
    Type: Grant
    Filed: December 17, 2010
    Date of Patent: July 31, 2012
    Assignee: Intelligent Automation, Inc.
    Inventors: Eric van Doorn, Sendil Rangaswamy
  • Publication number: 20110084833
    Abstract: A security system for detecting physical intrusion in a monitored area including a plurality of radio units arranged in a network around the monitored area to determine received signal strength and pass variations thereof through the radio units to a base station.
    Type: Application
    Filed: December 17, 2010
    Publication date: April 14, 2011
    Inventors: Eric van Doorn, Sendil Rangaswamy
  • Publication number: 20080018464
    Abstract: A security system for detecting physical intrusion in a monitored area including a plurality of radio units arranged in a network around the monitored area to determine received signal strength and pass variations thereof through the radio units to a base station.
    Type: Application
    Filed: July 12, 2006
    Publication date: January 24, 2008
    Inventors: Eric van Doorn, Sendil Rangaswamy