Patents by Inventor Sujalendu Das

Sujalendu Das 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).

  • Method and apparatus for advertising assessment using location and temporal information
    Publication number: 20050049765
    Abstract: Advertisements or other announcements are transmitted from a head end to a user through a Global Positioning System (GPS) enabled or other location-aware portable device. The device also transmits locational and temporal information back to the head end. The system gathers data pertaining to the effectiveness of advertisements being communicated to the user, for example, it can be determined if the user visited the advertised business premises after listening to or watching a particular advertisement. Such gathered data allows advertisers to measure the direct impact of their advertisements.
    Type: Application
    Filed: April 2, 2004
    Publication date: March 3, 2005
    Applicant: Sacagawea21 Inc.
    Inventors: Alakesh Chetia, Sujalendu Das, Gary Smerdon
  • Mechanism to clear MAC address from Ethernet switch address table to enable network link fail-over across two network segments
    Patent number: 6594776
    Abstract: There is provided a communication network and method for enhancing server availability to client PCS which includes two Ethernet switches. Each one of the two Ethernet switches is connected to a corresponding one of the primary and secondary network interface cards in the file server PC. The two Ethernet switches are interconnected together through an uplink port. As a result, redundancy has been effectively and efficiently provided against the failure of either one of the two switches in order to enable link fail-over across two network segments.
    Type: Grant
    Filed: June 28, 2000
    Date of Patent: July 15, 2003
    Assignee: Advanced Micro Devices, Inc.
    Inventors: Kishore Karighattam, Sujalendu Das