Patents by Inventor Roger Hook

Roger Hook 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).

  • Leased Line Emulation for PSTN Alarms Over IP
    Publication number: 20080130509
    Abstract: Techniques for sending and receiving alarm signals over packet-based communication networks are provided. A system for detecting alarm signals on a multiplexed communication line and generating data packets with alarm information is provided. Additionally, a system is provided for receiving data packets with alarm information and generating alarm signals based upon the alarm information of the data packets. The system optionally monitors a connection to a communication network and the status of one or more nodes coupled with the communication network and generates data packets or alarm signals if predetermined conditions are detected.
    Type: Application
    Filed: November 30, 2006
    Publication date: June 5, 2008
    Applicant: Network Equipment Technologies, Inc.
    Inventors: Sreedhar Pampati, Kevin Isacks, Roger Hook