Patents by Inventor Vijay K. Mehra

Vijay K. Mehra 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).

  • Multiport register file to accommodate data of differing lengths
    Patent number: 6370623
    Abstract: A multiport register file includes a first file unit having registers of a first width and a second file unite having registers of a second width. The second width being less than the first width. The first file unit accommodates data destined to be operands for functional units of a VLIW processor, or result data from those functional units. The second file unit accommodates guard bits for conditioning operation of those functional units.
    Type: Grant
    Filed: December 30, 1994
    Date of Patent: April 9, 2002
    Assignee: Philips Electronics North America Corporation
    Inventors: Vijay K. Mehra, Gerrit Ary Slavenburg
  • Method and apparatus for custom operations
    Patent number: 6141675
    Abstract: Custom operations are useable in processor systems for performing functions including multimedia functions. These custom operations enhance a system, such as PC system, to provide real-time multimedia capabilities while maintaining advantages of a special-purpose, embedded solution, i.e., low cost and chip count, and advantages of a general-purpose processor reprogramability. These custom operations work in a computer system which supplies input data having at least two operand data, performs operations on the operand data, and supplies result data to a destination register.
    Type: Grant
    Filed: August 30, 1996
    Date of Patent: October 31, 2000
    Assignee: Philips Electronics North America Corporation
    Inventors: Gerrit Ary Slavenburg, Pieter van der Muelen, Yong H. Cho, Vijay K. Mehra, Yen C. Lee
  • VLIW processor with write control unit for allowing less write buses than functional units
    Patent number: 6044451
    Abstract: Cost/performance of VLIW architecture is improved by reducing the number of slots in the instruction issue register.
    Type: Grant
    Filed: June 10, 1998
    Date of Patent: March 28, 2000
    Assignee: Philips Electronics North America Corporation
    Inventors: Gerrit Ary Slavenburg, Vijay K Mehra
  • Method and apparatus for custom operations of a processor
    Patent number: 5963744
    Abstract: Custom operations are useable in processor systems for performing functions including multimedia functions. These custom operations enhance a system, such as PC system, to provide real-time multimedia capabilities while maintaining advantages of a special-purpose, embedded solution, i.e., low cost and chip count, and advantages of a general-purpose processor reprogramability. These custom operations work in a computer system which supplies input data having operand data, performs operations on the operand data, and supplies result data to a destination register. Operations performed may include audio and video processing including clipping or saturation operations. The present invention also performs parallel operations on select operand data from input registers and stores results in the destination register.
    Type: Grant
    Filed: April 30, 1997
    Date of Patent: October 5, 1999
    Assignee: Philips Electronics North America Corporation
    Inventors: Gerrit Ary Slavenburg, Pieter van der Meulen, Yong Cho, Vijay K. Mehra, Yen C. Lee
  • Write control unit
    Patent number: 5862399
    Abstract: Cost/performance of VLIW architecture is improved by reducing the number of slots in the instruction issue register.
    Type: Grant
    Filed: September 17, 1996
    Date of Patent: January 19, 1999
    Assignee: Philips Electronics North America Corporation
    Inventors: Gerrit Ary Slavenburg, Vijay K. Mehra