Patents by Inventor Shriram Vijayakumar

Shriram Vijayakumar 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).

  • Test-response comparison circuit and scan data transfer scheme in a DFT architecture for micro LED based display panels
    Patent number: 10891884
    Abstract: Design-for-test (DFT) architectures, and methods of testing an array of chips, which may be identical, are described. In an embodiment, a comparison circuit includes a plurality of comparators to compare scan-data out (SDO) data streams with an expected data stream and transmit a compared data stream that is indicated of whether or not an error exists in any of the SDO data streams.
    Type: Grant
    Filed: February 21, 2019
    Date of Patent: January 12, 2021
    Assignee: Apple Inc.
    Inventors: Bo Yang, Xiang Lu, Andrew J. Copperhall, Henry C. Jen, Karthik Manickam, Sagar Nataraj, Shriram Vijayakumar, Derek K. Shaeffer