Patents by Inventor Roy E. Harlin

Roy E. Harlin 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).

  • Dynamic video RAM incorporating on chip vector/image mode line modification
    Patent number: 5148524
    Abstract: An architecture for a dynamic video random access memory on a single integrated circuit chip having internal circuitry for performing drawing or replacement rule logical operations on an addressed line of stored video information in the RAM and further having the write masking circuitry for modifying selected portions of the line of stored video information between selected START and STOP bit locations within the line.
    Type: Grant
    Filed: November 29, 1988
    Date of Patent: September 15, 1992
    Assignee: Solbourne Computer, Inc.
    Inventors: Roy E. Harlin, Richard A. Herrington
  • Dynamic video RAM incorporationg on chip line modification
    Patent number: 5148523
    Abstract: An architecture for a dynamic video random access memory on a single integrated circuit chip having internal circuitry for performing drawing or replacement rule logical operations on an addressed line of stored video information in the RAM and further having the write masking circuitry for modifying selected portions of the line of stored video information between selected START and STOP bit locations within the line.
    Type: Grant
    Filed: November 29, 1988
    Date of Patent: September 15, 1992
    Assignee: Solbourne Computer, Inc.
    Inventors: Roy E. Harlin, Richard A. Herrington
  • Dynamic video RAM incorporating single clock random port control
    Patent number: 5142637
    Abstract: An architecture for a single chip dynamic video random access memory using a single clock to operate the random port to perform refresh, memory address, and to control the internal circuitry for inputting data and addresses and for outputting data as well as modifying information in the memory circuit chip having internal circuitry for performing drawing or replacement rule logical operations on an addressed line of stored video information in the RAM and further having the write masking circuitry for modifying selected portions of the line of stored video information between selected START and STOP bit locations within the like.
    Type: Grant
    Filed: November 29, 1988
    Date of Patent: August 25, 1992
    Assignee: Solbourne Computer, Inc.
    Inventors: Roy E. Harlin, Richard A. Herrington
  • Dynamic video RAM incorporating on chip vector/image mode line modification
    Patent number: RE35680
    Abstract: An architecture for a dynamic video random access memory on a single integrated circuit chip having internal circuitry for performing drawing or replacement rule logical operations on an addressed line of stored video information in the RAM and further having the write masking circuitry for modifying selected portions of the line of stored video information between selected START and STOP bit locations within the line.
    Type: Grant
    Filed: December 19, 1995
    Date of Patent: December 2, 1997
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Roy E. Harlin, Richard A. Herrington
  • Dynamic video RAM incorporating single clock random port control
    Patent number: RE35921
    Abstract: An architecture for a single chip dynamic video random access memory using a single clock to operate the random port to perform refresh, memory address, and to control the internal circuitry for inputting data and addresses and for outputting data as well as modifying information in the memory circuit chip having internal circuitry for performing drawing or replacement rule logical operations on an addressed line of stored video information In the RAM and further having the write masking circuitry for modifying selected portions of the line of stored video Information between selected START and STOP bit locations within the like.
    Type: Grant
    Filed: August 8, 1994
    Date of Patent: October 13, 1998
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Roy E. Harlin, Richard A. Herrington