Patents by Inventor Matthew Giere

Matthew Giere 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).

  • Patent number: 7232226
    Abstract: A light-filtering element for a display device is provided. The element includes at least one filter having a chamber with a filtering fluid, the filtering fluid selectively disposed in an optical path, and a liquid motion actuator selectively configured to move the filtering fluid substantially into and out of the optical path.
    Type: Grant
    Filed: December 5, 2003
    Date of Patent: June 19, 2007
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Noah Lassar, Steven W. Steinfield, Mohammad M. Samii, Jack H. Schmidt, Matthew Giere, David Tyvoll, Winthrop D. Childers
  • Publication number: 20060284931
    Abstract: Embodiments include forming internal or external extended surface elements on a print-head substrate, at least in part, using a light beam.
    Type: Application
    Filed: June 16, 2005
    Publication date: December 21, 2006
    Inventors: Dustin Blair, Jeff Pollard, Matthew Giere, Satya Prakash
  • Publication number: 20060268071
    Abstract: A fluid ejection device includes a fluid chamber, a fluid restriction communicated with the fluid chamber, and a fluid channel communicated with the fluid restriction. The fluid restriction has a fluid restriction parameter defined as (2*W+2*H)*L/(H*W), wherein W is a width of the fluid restriction, H is a height of the fluid restriction, and L is a length of the fluid restriction. As such, the fluid restriction parameter is in a range of 1.5 to 5.75.
    Type: Application
    Filed: February 13, 2006
    Publication date: November 30, 2006
    Inventors: Elizabeth Fellner, James Pingel, Matthew Giere, Satya Prakash, David Jenkins, James Feinn, Arun Agarwal, Julie Cox, Jules Moritz, Ozgur Yildirim
  • Patent number: 7038867
    Abstract: A filter for a display system is provided which includes a fluid chamber having a selectively moveable filtering fluid, plural electrodes being coupled with the fluid chamber to accommodate establishment of an electric field whereby the filtering fluid may be selectively positioned in an optical path.
    Type: Grant
    Filed: June 14, 2005
    Date of Patent: May 2, 2006
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Steven W. Steinfield, Mohammad M. Samii, Jack H. Schmidt, Matthew Giere, David Tyvoll, Noah Lassar, Winthrop D. Childers
  • Publication number: 20060033783
    Abstract: A fluid ejection device comprises an orifice structure with an orifice. A fluid reservoir is on the exterior surface of the orifice structure. A barrier portion is between the fluid reservoir and the orifice.
    Type: Application
    Filed: October 29, 2004
    Publication date: February 16, 2006
    Inventors: Paul Bruinsma, Matthew Giere
  • Publication number: 20050243139
    Abstract: A system and a method for improving printing performance are provided. One method of improving printing performance performing a first print operation utilizing a printhead comprising a plurality of resistors by ejecting ink from a plurality of chambers each associated with at least one of at least some of the plurality of resistors, selectively energizing at least some of the plurality of resistors at an energy level insufficient to eject ink from the plurality of chambers, and performing a second print operation utilizing the printhead.
    Type: Application
    Filed: April 28, 2004
    Publication date: November 3, 2005
    Inventors: Paul Bruinsma, Matthew Giere, James Mott, Michael Harp
  • Publication number: 20050231840
    Abstract: A filter for a display system is provided which includes a fluid chamber having a selectively moveable filtering fluid, plural electrodes being coupled with the fluid chamber to accommodate establishment of an electric field whereby the filtering fluid may be selectively positioned in an optical path.
    Type: Application
    Filed: June 14, 2005
    Publication date: October 20, 2005
    Inventors: Steven Steinfield, Mohammad Samii, Jack Schmidt, Matthew Giere, David Tyvoll, Noah Lassar, Winthrop` Childers
  • Patent number: 6951383
    Abstract: A fluid ejection device is described. One exemplary embodiment includes a substrate having a first surface and a second surface, the substrate defines a fluid supply conduit between the first surface and the second surface. This particular fluid ejecting device also includes a generally elastic filter layer formed over the first surface where the filter layer does not form sidewalls defining a fluid channel of the fluid ejection device.
    Type: Grant
    Filed: June 20, 2003
    Date of Patent: October 4, 2005
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Matthew Giere, Antonio S. Cruz-Uribe, Jeffery Hess
  • Patent number: 6921175
    Abstract: A light-filtering element for a display device is provided. The element includes at least one filter having a chamber with a filtering fluid, the filtering fluid selectively disposed in an optical path, and a liquid motion actuator selectively configured to move the filtering fluid substantially into and out of the optical path.
    Type: Grant
    Filed: September 19, 2002
    Date of Patent: July 26, 2005
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Noah Lassar, Steven W. Steinfield, Mohammad M. Samii, Jack H. Schmidt, Matthew Giere, David Tyvoll, Winthrop D. Childers
  • Patent number: 6920000
    Abstract: A filter for a display system is provided which includes a fluid chamber having a selectively moveable filtering fluid, plural electrodes being coupled with the fluid chamber to accommodate establishment of an electric field whereby the filtering fluid may be selectively positioned in an optical path.
    Type: Grant
    Filed: September 19, 2002
    Date of Patent: July 19, 2005
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Steven W. Steinfield, Mohammad M. Samii, Jack H. Schmidt, Matthew Giere, David Tyvoll, Noah Lassar, Winthrop D. Childers
  • Patent number: 6782621
    Abstract: A method of fabricating a fluid ejector is disclosed. In the present embodiment, a plurality of thin film layers are deposited on a first surface of a printhead substrate, the plurality of thin film layers form a thin film membrane. At least one of the layers forms a plurality of fluid ejection elements, and at least another of the layers forms a plurality of conductive leads to the fluid ejection elements. A plurality of fluid feed holes are formed in the thin film membrane. At least one opening in a second surface of the substrate is formed, the opening providing a fluid path from a second surface of the substrate through the substrate. The plurality of fluid feed holes are located over the at least one opening in the substrate, and all portions of the fluid ejection elements and conductive leads overlie the substrate.
    Type: Grant
    Filed: February 27, 2003
    Date of Patent: August 31, 2004
    Assignee: Hewlett-Packard Developmental Company, L.P.
    Inventors: Matthew Giere, Lawrence H. White, Timothy L. Weber
  • Publication number: 20040080721
    Abstract: A light-filtering element for a display device is provided. The element includes at least one filter having a chamber with a filtering fluid, the filtering fluid selectively disposed in an optical path, and a liquid motion actuator selectively configured to move the filtering fluid substantially into and out of the optical path.
    Type: Application
    Filed: December 5, 2003
    Publication date: April 29, 2004
    Inventors: Noah Lassar, St v n W. Steinfield, Mohammed M. Samii, Jack H. Schmidt, Matthew Giere, David Tyvoll, Wintrop D. Childers
  • Publication number: 20040057143
    Abstract: A filter for a display system is provided which includes a fluid chamber having a selectively moveable filtering fluid, plural electrodes being coupled with the fluid chamber to accommodate establishment of an electric field whereby the filtering fluid may be selectively positioned in an optical path.
    Type: Application
    Filed: September 19, 2002
    Publication date: March 25, 2004
    Inventors: Steven W. Steinfield, Mohammad M. Samii, Jack H. Schmidt, Matthew Giere, David Tyvoll, Noah Lassar, Winthrop D. Childers
  • Publication number: 20040057021
    Abstract: A light-filtering element for a display device is provided. The element includes at least one filter having a chamber with a filtering fluid, the filtering fluid selectively disposed in an optical path, and a liquid motion actuator selectively configured to move the filtering fluid substantially into and out of the optical path.
    Type: Application
    Filed: September 19, 2002
    Publication date: March 25, 2004
    Inventors: Noah Lassar, Steven W. Steinfield, Mohammad M. Samii, Jack H. Schmidt, Matthew Giere, David Tyvoll, Winthrop D. Childers
  • Publication number: 20040036751
    Abstract: A fluid ejection device is described. One exemplary embodiment includes a substrate having a first surface and a second surface, the substrate defines a fluid supply conduit between the first surface and the second surface. This particular fluid ejecting device also includes a generally elastic filter layer formed over the first surface where the filter layer does not form sidewalls defining a fluid channel of the fluid ejection device.
    Type: Application
    Filed: June 20, 2003
    Publication date: February 26, 2004
    Inventors: Matthew Giere, Antonio S. Cruz-Uribe, Jeffery Hess
  • Patent number: 6612673
    Abstract: The present invention includes as one embodiment an inkjet printing system, having a substrate, a plurality of heating elements disposed on the substrate, an ink ejection assembly adjacent the substrate forming a plurality of ink ejection chambers, each chamber associated with a different one of the heating elements and a controller operatively connected to the heating elements, the controller receiving print data and processing the print data to predict thermal conditions of a subset of the ink ejection chambers for selectively operating the corresponding heating elements of the subset.
    Type: Grant
    Filed: April 29, 2002
    Date of Patent: September 2, 2003
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Matthew Giere, Satya Prakash, Ronald A. Askeland
  • Publication number: 20030151647
    Abstract: A printhead including a printhead substrate having at least one opening for providing a fluid path through the substrate and a thin film membrane formed on a second surface of the substrate. The thin film membrane includes a plurality of fluid feed holes, each fluid feed hole is located over the opening in the substrate. The thin film membrane, which extends over the opening, also has a plurality of fluid ejection elements and a plurality of conductive leads to the fluid ejection elements. All portions of the fluid ejection elements and conductive leads overlie the substrate.
    Type: Application
    Filed: February 27, 2003
    Publication date: August 14, 2003
    Inventors: Matthew Giere, Lawrence H. White, Timothy L. Weber
  • Patent number: 6554404
    Abstract: A printhead including a printhead substrate having at least one opening for providing a fluid path through the substrate and a thin film membrane formed on a second surface of the substrate. The thin film membrane includes a plurality of fluid feed holes, each fluid feed hole is located over the opening in the substrate. The thin film membrane, which extends over the opening, also has a plurality of fluid ejection elements and a plurality of conductive leads to the fluid ejection elements. All portions of the fluid ejection elements and conductive leads overlie the substrate.
    Type: Grant
    Filed: October 31, 2001
    Date of Patent: April 29, 2003
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Matthew Giere, Lawrence H. White, Timothy L. Weber
  • Publication number: 20020101479
    Abstract: A printhead including a printhead substrate having at least one opening for providing a fluid path through the substrate and a thin film membrane formed on a second surface of the substrate. The thin film membrane includes a plurality of fluid feed holes, each fluid feed hole is located over the opening in the substrate. The thin film membrane, which extends over the opening, also has a plurality of fluid ejection elements and a plurality of conductive leads to the fluid ejection elements. All portions of the fluid ejection elements and conductive leads overlie the substrate.
    Type: Application
    Filed: October 31, 2001
    Publication date: August 1, 2002
    Inventors: Matthew Giere, Lawrence H. White, Timothy L. Weber
  • Patent number: 6422688
    Abstract: In order to overcome inefficient power dissipation in parasitic resistances and to provide economies in the power supply, a higher resistance value heater resistor is employed in a thermal inkjet printhead. Higher current densities in a high resistance segmented heater resistor are reduced by employing a shorting bar divided by a current balancing resistor.
    Type: Grant
    Filed: March 6, 2001
    Date of Patent: July 23, 2002
    Assignee: Hewlett-Packard Company
    Inventors: Matthew Giere, Noah C. Lassar, Satya Prakash