Patents by Inventor Perry E. Davenport

Perry E. Davenport 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).

  • Bandwidth booster for aging printer ASICs
    Patent number: 7046386
    Abstract: A method triggers a printer (106) to receive a signal (300) from a print engine (202) indicating the initiation of the transmission of print data; transmits a shorter signal (302) to a printer ASIC (204), in response to receiving a first signal; receives a first line of data to be printed from the printer ASIC (204); receives a second signal from the print engine (202); transmits a second shorter signal to the printer ASIC (204), in response to receiving a signal; receives a second line of data to be printed from the printer ASIC (204); and transmits the first line of data to the print engine (202). This allows a slower printer ASIC (204) to be used with a faster print engine (202).
    Type: Grant
    Filed: November 14, 2001
    Date of Patent: May 16, 2006
    Assignee: International Business Machines Corporation
    Inventors: Perry E. Davenport, Richard S. Lucky, Kin H. Szeto
  • ALDC with zero clear after read
    Patent number: 6816280
    Abstract: A page generation system that efficiently generates a page segment by clearing memory immediately after data representing the page segment is read from memory. The system generates a page in memory by writing the data representing the image content of the page to a memory block. The memory block is initially clear (all logical 0's) to enable the system to efficiently generate the page segment by writing the positive content of the page segment without having to write the blank sections of the page segment. By clearing memory immediately after data is read from memory, the page generator does not need to zero clear a memory block prior to constructing a page segment therein.
    Type: Grant
    Filed: April 14, 2000
    Date of Patent: November 9, 2004
    Assignee: International Business Machines Corporation
    Inventors: Perry E. Davenport, Timothy D'Avis, Larry David Teklits
  • Bandwidth booster for aging printer ASICs
    Publication number: 20030090703
    Abstract: A method triggers a printer (106) to receive a signal (300) from a print engine (202) indicating the initiation of the transmission of print data; transmits a shorter signal (302) to a printer ASIC (204), in response to receiving a first signal; receives a first line of data to be printed from the printer ASIC (204); receives a second signal from the print engine (202); transmits a second shorter signal to the printer ASIC (204), in response to receiving a signal; receives a second line of data to be printed from the printer ASIC (204); and transmits the first line of data to the print engine (202). This allows a slower printer ASIC (204) to be used with a faster print engine (202).
    Type: Application
    Filed: November 14, 2001
    Publication date: May 15, 2003
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Perry E. Davenport, Richard S. Lucky, Kin H. Szeto