Patents by Inventor Eric Chien-Chung Chang

Eric Chien-Chung Chang 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: 8213414
    Abstract: The subject matter described herein includes methods, systems, and computer program products for providing TDM terminating services in a packet network. According to one method, a combined set including a plurality of TDM channels is received over a packet network. The combined set of TDM channels is terminated in the packet network as a combined TDM facility. Terminating the TDM channels as a combined TDM facility may include providing at least one terminating TDM service for the TDM channels, such as performing CAS signaling or providing a PRI interface for the TDM channels.
    Type: Grant
    Filed: February 21, 2006
    Date of Patent: July 3, 2012
    Assignee: Genband US LLC
    Inventors: Hao Hou, Philip Abraham, Eric Chien-Chung Chang, Heriberto Aguirre
  • Patent number: 7940772
    Abstract: The subject matter described herein includes methods, systems, and computer program products for transporting ATM cells in a device having an Ethernet switching fabric. According to one method, at least one ingress ATM cell is received at an ATM network interface of a device having an Ethernet switching fabric. Next, the connection associated with which the ingress ATM cell is identified. The ATM cell is encapsulated in Ethernet frame addressed to a media processing resource associated with the connection. The Ethernet frame is forwarded to the media processing resource across an Ethernet switching fabric.
    Type: Grant
    Filed: May 26, 2005
    Date of Patent: May 10, 2011
    Assignee: Genband US LLC
    Inventors: Jinshui Liu, Weisheng Chen, Eric Chien-Chung Chang, Yen Shei, David Z. Lu