Patents by Inventor Martin H. Eastburn

Martin H. Eastburn 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).

  • Pattern generator with extended register programming
    Patent number: 5883905
    Abstract: An algorithmic pattern generator (APG) having extended register programming capability for use in a circuit tester. The APG is programmable to drive a subroutine memory in a tester. The APG may include a sequencer with paired loop counters, address generators having address and reference registers each paired with indexing registers, a data generator providing bit inversion with a latched inversion register, a topology memory, or a delayed access pipeline for data synchronization. The APG may also include a two stage address scrambler combining a crosspoint multiplexer and scrambler RAM.
    Type: Grant
    Filed: February 18, 1997
    Date of Patent: March 16, 1999
    Assignee: Schlumberger Technologies, Inc.
    Inventor: Martin H. Eastburn