Patents by Inventor Arvind Bhaskar Patwardhan

Arvind Bhaskar Patwardhan 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).

  • Methods and apparatuses for serial transfer of SONET framed data between components of a SONET system
    Patent number: 6944190
    Abstract: A plurality of transmission circuits transmit data over one or more output lines. A plurality of receiving circuits receive data over one or more of a set of input lines A plurality of parallel-serial conversion circuits coupled to the plurality of transmission circuits and to the plurality of receiving circuits, the plurality of conversion circuits to convert parallel signals to one or more sets of serial signals and to send the converted serial signals to one or more corresponding transmission circuits, and to receive one or more sets of serial signals from one or more of the receiving circuits and to convert the serial signals to parallel signals.
    Type: Grant
    Filed: September 14, 2000
    Date of Patent: September 13, 2005
    Assignee: Ciena Corporation
    Inventors: Sunil Tomar, Arvind Bhaskar Patwardhan, Srinivasarao Neelamraju
  • Methods and apparatuses for synchronizing data conversion of sonet framed data
    Patent number: 6741615
    Abstract: A serial data signal having a predetermined sequence to indicate a start of a frame of data is received. The serial data signal is compared to a plurality of values. The plurality of values include the predetermined sequence and one or more values representing logical rotations of the predetermined sequence. A match signal is generated in response to the serial data signal matching one of the plurality of values.
    Type: Grant
    Filed: September 14, 2000
    Date of Patent: May 25, 2004
    Assignee: Ciena Corporation
    Inventors: Arvind Bhaskar Patwardhan, Sunil Tomar, Srinivasarao Neelamraju