Patents Assigned to Imaging Systems Technology
  • Patent number: 8823260
    Abstract: Electrode configurations for an AC or DC gas discharge plasma display panel (PDP) device having one or more substrates and a multiplicity of pixels or sub-pixels that are defined by a hollow plasma-shell filled with an ionizable gas. Plasma-shell includes plasma-disc, plasma-dome, and plasma-sphere. The invention is described with reference to a plasma-disc. The plasma-disc has at least two opposing flat sides such as a flat top and flat bottom. Two or more addressing electrodes are in electrical contact with each plasma-disc. At least one electrode is in electrical contact with a side of the plasma-disc that is not flat.
    Type: Grant
    Filed: January 23, 2007
    Date of Patent: September 2, 2014
    Assignee: Imaging Systems Technology
    Inventors: Oliver M. Strbik, III, Daniel K. Wedding, Carol Ann Wedding
  • Patent number: 8410695
    Abstract: A gas discharge device having one or more substrates and a multiplicity of gas discharge cells, each cell confined within a hollow plasma-shell filled with an ionizable gas. The device contains inorganic and/or organic luminescent materials that are excited by a gas discharge within each plasma-shell. The luminescent material is located on an exterior and/or interior surface of the plasma-shell and/or incorporated into the plasma-shell. Up-conversion and down-conversion materials may be used.
    Type: Grant
    Filed: October 4, 2010
    Date of Patent: April 2, 2013
    Assignee: Imaging Systems Technology
    Inventors: Daniel K. Wedding, Oliver M. Strbik, III, Carol Ann Wedding
  • Patent number: 8305301
    Abstract: Visual artifact reduction method for a display comprising the use of gamma correction. Other artifact reduction methods can be used with gamma corrections including error diffusion, dithering, and center of light.
    Type: Grant
    Filed: November 17, 2008
    Date of Patent: November 6, 2012
    Assignee: Imaging Systems Technology
    Inventors: Carol Ann Wedding, Jeffrey W. Guy
  • Patent number: 8299696
    Abstract: A gas discharge device comprising a multiplicity of hollow gas filled Plasma-shells located on a substrate, each Plasma-shell being wholly or partially made of a first luminescent material, an exterior portion of each Plasma-shell containing a second luminescent material. The first luminescent material comprises an inorganic material or a combination of organic and inorganic materials. The second luminescent material comprises an organic material or a combination of organic and inorganic materials. Both the first and second luminescent materials may be the same material(s). The combination of organic and inorganic materials includes mixtures, suspensions, dispersions, layers, and coatings.
    Type: Grant
    Filed: December 7, 2009
    Date of Patent: October 30, 2012
    Assignee: Imaging Systems Technology
    Inventors: Carol Ann Wedding, Daniel K. Wedding, Oliver M. Strbik, III
  • Patent number: 8289233
    Abstract: Visual artifact reduction method for a display comprising the use of error diffusion. Other artifact reduction methods can be used with error diffusion, including gamma correction, dithering, and center of light.
    Type: Grant
    Filed: November 18, 2008
    Date of Patent: October 16, 2012
    Assignee: Imaging Systems Technology
    Inventors: Jeffrey W. Guy, Carol Ann Wedding
  • Patent number: 8278828
    Abstract: An active matrix organic LED display having a matrix of multiple light emitting pixels and electronic drive circuitry for selectively addressing the pixels, each pixel containing an organic LED. The electronic drive circuitry includes row scan electrodes and column data electrodes that interconnect the matrix of pixels. The circuitry also includes a MEMS switching device and a memory capacitor for each pixel, the MEMS switching device connecting the memory capacitor to a column data electrode during addressing of a pixel and connecting the memory capacitor to the organic LED of each pixel during light emission.
    Type: Grant
    Filed: May 7, 2010
    Date of Patent: October 2, 2012
    Assignee: Imaging Systems Technology
    Inventor: James C. Rutherford
  • Patent number: 8248328
    Abstract: Visual artifact reduction methods for a display including gamma corrections, error diffusion and/or dithering. The invention is described with reference to an AC gas discharge display (PDP) comprising a multiplicity of plasma-shells, but may be practiced with other display technologies. The methods of this invention are disclosed for use with a number of PDP structures and PDP electronic addressing architectures including ADS, AWD, SAS, and ALIS.
    Type: Grant
    Filed: May 6, 2008
    Date of Patent: August 21, 2012
    Assignee: Imaging Systems Technology
    Inventors: Carol Ann Wedding, Jeffrey W. Guy, Daniel K. Wedding, Oliver M. Strbik, III
  • Patent number: 8232725
    Abstract: A gas discharge device with one or more gas filled Plasma-tubes on or within a rigid, flexible, or semi-flexible substrate with each Plasma-tube being electrically connected to one or more electrical conductors such as electrodes. In one embodiment, each Plasma-tube is made of one or more luminescent substances with the exterior of each tube containing one or more luminescent substances. The Plasma-tubes may be used alone or in combination with Plasma-shells.
    Type: Grant
    Filed: February 20, 2010
    Date of Patent: July 31, 2012
    Assignee: Imaging Systems Technology
    Inventor: Carol Ann Wedding
  • Patent number: 8198811
    Abstract: A gas discharge device such as a plasma display panel (PDP) device having one or more substrates and a multiplicity of pixels or subpixels. Each pixel or subpixel is defined by a hollow Plasma-shell filled with an ionizable gas. One or more addressing electrodes are in electrical contact with each Plasma-shell. The Plasma-shell may include inorganic and organic luminescent materials that are excited by the gas discharge within each Plasma-shell. The luminescent material may be located on an exterior and/or interior surface of the Plasma-shell or incorporated into the shell of the Plasma-shell. Up-conversion and down-conversion materials may be used. The substrate may be rigid or flexible with a flat, curved, or irregular surface.
    Type: Grant
    Filed: May 30, 2010
    Date of Patent: June 12, 2012
    Assignee: Imaging Systems Technology
    Inventors: Daniel K. Wedding, Carol Ann Wedding, Oliver M. Strbik, III
  • Patent number: 8198812
    Abstract: A gas filled detector shell with attached antenna for the detection of high energy transmissions, including microwaves, lasers, electromagnetic signals, RF waves, radiation, and/or other transmissions emitted by a source including a weapon system. The shell may also be used as a safety device to warn and alert personnel working around high energy devices of electromagnetic leaks.
    Type: Grant
    Filed: January 6, 2009
    Date of Patent: June 12, 2012
    Assignee: Imaging Systems Technology
    Inventors: Robert P. Wenzlaff, Edwin F. Peters, Carol Ann Wedding
  • Patent number: 8138673
    Abstract: Apparatus and method using a gas discharge device for shielding an object and/or person from electromagnetic (EM) radiation including radar, microwaves, X-rays, and/or gamma rays. The device comprises multiple gas discharge cells, each cell being within a gas-filled hollow shell. The gas is selected to absorb radiation particularly when the gas is in a discharge state. The shell may be composed of a radiation absorption material.
    Type: Grant
    Filed: November 22, 2008
    Date of Patent: March 20, 2012
    Assignee: Imaging Systems Technology
    Inventor: Carol Ann Wedding
  • Patent number: 8105649
    Abstract: The producing of shells of silicon carbide including CVD and CVI processes: A dense layer of silicon carbide is deposited upon the hollow shells, the shells being agitated during deposition to prevent sticking, bonding, or adhesion of shells to one another.
    Type: Grant
    Filed: August 8, 2008
    Date of Patent: January 31, 2012
    Assignee: Imaging Systems Technology
    Inventors: Carol Ann Wedding, Joe K. Cochran
  • Patent number: 8035303
    Abstract: Electrode configurations for a gas discharge device such as a plasma display panel (PDP) having one or more substrates and a multiplicity of pixels or sub-pixels defined by a hollow plasma-shell filled with an ionizable gas. In one embodiment, there is used a plasma-dome having a dome and an opposing flat side. One or more addressing electrodes are in electrical contact with each plasma-dome, at least one electrode being in contact with a side of the plasma-dome that is flat. The gas discharge device may include inorganic and/or organic luminescent substances that are excited by a gas discharge within each plasma-dome or by photons emitted from another luminescent substance. The luminescent substance is located on an exterior and/or interior surface of the plasma-dome and/or incorporated into the shell of the plasma-dome. The shell may be made of one or more luminescent substances.
    Type: Grant
    Filed: May 18, 2009
    Date of Patent: October 11, 2011
    Assignee: Imaging Systems Technology
    Inventors: Oliver M. Strbik, III, Daniel K. Wedding, Carol Ann Wedding
  • Patent number: 8006759
    Abstract: An ultra strong, hollow sintered, impervious, metallic shell for use in structural applications including proppants for hydraulic fracturing. The shell is made of a maraging steel, low alloy steel, or stainless steel with a crush strength of about 3,000 psi or greater and a density of about 0.6 g/cm3 to about 2.5 g/cm3.
    Type: Grant
    Filed: October 4, 2007
    Date of Patent: August 30, 2011
    Assignee: Imaging Systems Technology
    Inventors: Joe K. Cochran, Jr., Thomas J. Pavliscak, Carol Ann Wedding
  • Patent number: 7999747
    Abstract: A gas plasma antenna with a rigid, flexible, or semi-flexible substrate and an improved method of generating a uniform electron density. The antenna comprises a gas discharge device containing a multiplicity of microcavities, each microcavity containing an ionizable gas for providing a microdischarge. Each microdischarge acts alone or in concert with other microdischarges to form a dipole or pattern of dipoles.
    Type: Grant
    Filed: May 15, 2008
    Date of Patent: August 16, 2011
    Assignee: Imaging Systems Technology
    Inventors: Carol Ann Wedding, Thomas J. Pavliscak, Edwin F. Peters
  • Patent number: 7932674
    Abstract: A Plasma Display Panel (PDP) comprising a substrate and a multiplicity of hollow Plasma-domes filled with an ionizable gas having a flat side and an opposing domed side. One or more other sides or edges may also be flat. Two or more electrodes are in electrical contact with each Plasma-dome. A flat or domed side of the Plasma-dome is in contact with the PDP substrate and each electrode is in electrical contact with a flat or domed side of the Plasma-dome. The organic and/or inorganic luminescent material is located on an exterior and/or interior surface of the Plasma-dome and/or incorporated into the shell of the Plasma-dome. Up-conversion and down-conversion materials may be used. The substrate is rigid or flexible with a flat, curved, or irregular surface.
    Type: Grant
    Filed: February 6, 2006
    Date of Patent: April 26, 2011
    Assignee: Imaging Systems Technology
    Inventors: Daniel K. Wedding, Oliver M. Strbik, III, Carol Ann Wedding
  • Patent number: 7923930
    Abstract: A plasma panel device having a multiplicity of gas filled plasma-shells, each plasma-shell being positioned on or in a substrate and electrically connected to conductors or electrodes to define a gas discharge pixel or subpixel. The plasma-shell comprises a hollow gas filled geometric body and includes plasma-disc, plasma-dome, plasma-sphere, and other geometric shapes. The substrate may be rigid, flexible, or semi-flexible with a flat, curved, or irregular surface. Each substrate may comprise a single layer or multiple layers of the same or different materials. Substrate composites may be used such as mixtures, dispersions, suspensions, and so forth. The device may comprise a single substrate or a dual substrate device. A plasma-shell device with a flexible substrate may be bendable and rollable in at least two directions, X and Y, looking at the top or plan view.
    Type: Grant
    Filed: July 23, 2007
    Date of Patent: April 12, 2011
    Assignee: Imaging Systems Technology
    Inventors: Carol Ann Wedding, Donald K. Wedding
  • Patent number: 7911414
    Abstract: The priming or conditioning of an AC gas discharge plasma display panel for improved selective write and selective erase which comprises addressing n number of rows in an order or sequence that is changed from frame to frame such that later rows to be addressed are advanced in the sequence with each subsequent frame. Each frame consists of the addressing of all n rows. Specific embodiments include the use of plasma-shells, plasma-tubes, and/or combinations thereof.
    Type: Grant
    Filed: July 24, 2007
    Date of Patent: March 22, 2011
    Assignee: Imaging Systems Technology
    Inventors: Carol Ann Wedding, Jeffrey W. Guy
  • Patent number: D652809
    Type: Grant
    Filed: August 18, 2009
    Date of Patent: January 24, 2012
    Assignee: Imaging Systems Technology
    Inventors: Carol Ann Wedding, Daniel K. Wedding, Oliver M. Strbik, III
  • Patent number: D670238
    Type: Grant
    Filed: May 12, 2009
    Date of Patent: November 6, 2012
    Assignee: Imaging Systems Technology
    Inventors: Daniel K. Wedding, Carol Ann Wedding, Oliver M. Strbik, III, Jeffrey W. Guy