Patents by Inventor Stephen John Trowbridge

Stephen John Trowbridge 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: 8849116
    Abstract: An exemplary method and apparatus are provided for data transmission in an optical transport network that includes receiving client data from a client, mapping the client data into a frame structure, mapping the frame structure into tributary slots of a data transport structure, and transmitting the data transport structure. The data transport structure contains a fixed number of tributary slots and the size of the frame structure is selectable in granularity of the tributary slots of the data transport structure.
    Type: Grant
    Filed: March 9, 2010
    Date of Patent: September 30, 2014
    Assignee: Alcatel Lucent
    Inventors: Alberto Bellato, Pietro Vittorio Grandi, Matteo Gumier, Sergio Belotti, Stephen John Trowbridge
  • Publication number: 20120002965
    Abstract: It is disclosed a method for data transmission in an optical transport network, comprising the steps of receiving client data from a client, mapping said client data into a frame structure (ODU-flex), mapping said frame structure (ODU-flex) into tributary slots (TS) of a data transport structure (HO-ODU), transmitting said data transport structure (HO-ODU), wherein said data transport structure (HO-ODU) contains a fixed number of tributary slots (TS), and wherein the size of said frame structure (ODU-flex) is selectable in granularity of said tributary slots (TS) of said data transport structure (HO-ODU).
    Type: Application
    Filed: March 9, 2010
    Publication date: January 5, 2012
    Inventors: Alberto Bellato, Pietro Vittorio Grandi, Matteo Gumier, Sergio Belotti, Stephen John Trowbridge