Patents by Inventor Roger W. Fish

Roger W. Fish 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).

  • Power outage operation of a cable modem
    Patent number: 8156372
    Abstract: A method, system and computer program product for operation of a cable modem in response to Alternating Current (AC) power outage is described herein. When a loss of AC power is detected, the cable modem is switched to battery backup mode of operation using a single upstream and a single downstream channel. This switch occurs prior to receiving instructions from a cable modem termination system to use a single upstream and a single downstream channel. The cable modem notifies the cable modem termination system of the switch to battery backup mode of operation.
    Type: Grant
    Filed: January 9, 2009
    Date of Patent: April 10, 2012
    Assignee: Broadcom Corporation
    Inventors: Lisa Voigt Denney, Roger W. Fish, Margo Dolas
  • Power Outage Operation Of A Cable Modem
    Publication number: 20100180139
    Abstract: A method, system and computer program product for operation of a cable modem in response to Alternating Current (AC) power outage is described herein. When a loss of AC power is detected, the cable modem is switched to battery backup mode of operation using a single upstream and a single downstream channel. This switch occurs prior to receiving instructions from a cable modem termination system to use a single upstream and a single downstream channel. The cable modem notifies the cable modem termination system of the switch to battery backup mode of operation.
    Type: Application
    Filed: January 9, 2009
    Publication date: July 15, 2010
    Applicant: Broadcom Corporation
    Inventors: Lisa Voigt DENNEY, Roger W. Fish, Margo Dolas