Patents Represented by Attorney Donald K. Wedding
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Patent number: 8105649Abstract: 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: GrantFiled: August 8, 2008Date of Patent: January 31, 2012Assignee: Imaging Systems TechnologyInventors: Carol Ann Wedding, Joe K. Cochran
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Patent number: 8106586Abstract: An AC or DC PDP containing a fluorescent conversion material (FCM) that produces IR when excited by a gas discharge. In one embodiment, the fluorescent conversion material is rare earth doped chalcogenide. The PDP may comprise a multiplicity of plasma-sells or plasma-tubes on a substrate, each plasma-shell or plasma-tube containing FCM.Type: GrantFiled: May 31, 2008Date of Patent: January 31, 2012Assignee: Imaging Systems Technology, Inc.Inventors: Carol Ann Wedding, Oliver M. Strbik, III, Edwin F. Peters, Thomas J. Pavliscak
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Patent number: 8035303Abstract: 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: GrantFiled: May 18, 2009Date of Patent: October 11, 2011Assignee: Imaging Systems TechnologyInventors: Oliver M. Strbik, III, Daniel K. Wedding, Carol Ann Wedding
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Patent number: 8006759Abstract: 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: GrantFiled: October 4, 2007Date of Patent: August 30, 2011Assignee: Imaging Systems TechnologyInventors: Joe K. Cochran, Jr., Thomas J. Pavliscak, Carol Ann Wedding
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Patent number: 7999747Abstract: 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: GrantFiled: May 15, 2008Date of Patent: August 16, 2011Assignee: Imaging Systems TechnologyInventors: Carol Ann Wedding, Thomas J. Pavliscak, Edwin F. Peters
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Patent number: 7978154Abstract: 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. The plasma-shell is illustrated with reference to a plasma-dome, but other plasma-shell shapes may be used including plasma-disc and plasma-sphere. A plasma-dome has at least one domed or round side and one opposing flat side such as a dome top and flat bottom or vice versa. One or more other sides or edges may also be flat or non-flat. Two or more addressing electrodes are in electrical contact with each plasma-dome, at least one electrode being in electrical contact with a side or end of the plasma-dome that is not flat. The electrical contact may include a conductive pad in electrical contact with the electrode and/or the plasma-dome.Type: GrantFiled: February 5, 2007Date of Patent: July 12, 2011Assignee: Imaging Systems Technology, Inc.Inventors: Oliver M. Strbik, III, Daniel K. Wedding, Carol Ann Wedding
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Patent number: 7969092Abstract: A single substrate AC and/or DC gas discharge (plasma) display device comprised of hollow microspheres containing ionizable gas at a predetermined pressure, each microsphere being positioned on the surface of the substrate or within a substrate cavity, well, or hollow. Each microsphere is in electrical contact with 2, 3, or more electrodes. The AC or DC gas discharge within each microsphere emits photons in the visible and/or invisible range. In one embodiment, photons from the gas discharge within a microsphere excite a luminescent substance or material such as a phosphor that emits photons in the visible and/or invisible spectrum. The microsphere may contain the luminescent substance or the substance may be located separately from, but in close proximity to, the microsphere.Type: GrantFiled: March 30, 2007Date of Patent: June 28, 2011Assignee: Imaging Systems Technology, Inc.Inventor: Donald K. Wedding
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Patent number: 7932674Abstract: 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: GrantFiled: February 6, 2006Date of Patent: April 26, 2011Assignee: Imaging Systems TechnologyInventors: Daniel K. Wedding, Oliver M. Strbik, III, Carol Ann Wedding
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Patent number: 7923930Abstract: 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: GrantFiled: July 23, 2007Date of Patent: April 12, 2011Assignee: Imaging Systems TechnologyInventors: Carol Ann Wedding, Donald K. Wedding
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Patent number: 7911414Abstract: 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: GrantFiled: July 24, 2007Date of Patent: March 22, 2011Assignee: Imaging Systems TechnologyInventors: Carol Ann Wedding, Jeffrey W. Guy
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Patent number: 7863815Abstract: Electrode configurations for a 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. The invention is described with reference to a plasma-disc, but other plasma-shells may be used including plasma-dome and plasma-sphere. The plasma-disc has at least two opposing flat sides such as a flat top and flat bottom or a flat rear and flat front. One or more other sides or edges may also be flat. Two or more addressing electrodes are in electrical contact with each plasma-disc, at least one electrode being in contact with a flat side of the plasma-disc.Type: GrantFiled: January 19, 2007Date of Patent: January 4, 2011Assignee: Imaging Systems TechnologyInventors: Carol Ann Wedding, Daniel K. Wedding, Oliver M. Strbik, III
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Patent number: 7833076Abstract: A PDP constructed out of one or more plasma-shells with an organic luminescent substance(s) located in close proximity to each plasma-shell. Each plasma-shell is a hollow geometric body filled with an ionizable gas. Photons from the gas discharge inside the plasma-shell excite the luminescent substance. In one embodiment the luminescent substance is located on the external surface of the plasma-shell. In another embodiment, the luminescent substance is located inside the plasma-shell. The plasma-shell may be made of an inorganic luminescent material with organic luminescent material located on the inside or outside of the plasma-shell. Plasma-shell includes plasma-sphere, plasma-disc, and plasma-dome. The plasma-shell may be used in combination with a plasma-tube.Type: GrantFiled: July 14, 2008Date of Patent: November 16, 2010Assignee: Imaging Systems Technology, Inc.Inventors: Oliver M. Strbik, III, Carol Ann Wedding
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Patent number: 7808451Abstract: An organic electroluminescent display device connected by a blocking diode in series to an organic light-emitting diode (OLED). Each pixel or subpixel of the electroluminescent display device comprises an OLED, a blocking diode to prevent the OLED from being reversed biased, a rectification diode to isolate the column electrode from unselected rows and a capacitor as a memory device. The charge stored in each memory capacitor may be increased by the blocking diode in series with each OLED. A frame period of the display device is divided into sub-frames that have address and light emission periods. Current mode data programming is used to address the device in each sub-frame. A ramp waveform is applied to the row electrode during the light emission period, to cause the capacitor to discharge through the OLED and control the forward current level.Type: GrantFiled: February 25, 2005Date of Patent: October 5, 2010Assignee: Imaging Systems Technology, Inc.Inventor: James C. Rutherford
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Patent number: 7808178Abstract: A method of manufacture and operation for 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. As used herein plasma-shell includes plasma-dome, plasma-disc, and plasma-sphere. The invention is described with reference to a plasma-dome, but other plasma-shells may be used including plasma-disc and plasma-sphere. The plasma-dome has a domed or round side and an opposing flat side such as a dome top and flat bottom. One or more other sides or edges may also be flat or not flat. The PDP contain inorganic and/or organic luminescent materials that are excited by a gas discharge within each plasma-dome. The 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 (Stokes) and down-conversion (Anti-Stokes) phosphor materials may be used.Type: GrantFiled: February 6, 2007Date of Patent: October 5, 2010Assignee: Imaging Systems TechnologyInventors: Daniel K. Wedding, Oliver M. Strbik, III, Carol Ann Wedding
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Patent number: 7791037Abstract: A radiation detection device comprising a plasma display panel (PDP) with a multiplicity of radiation detection pixels, each radiation detection pixel being defined by a hollow elongated Plasma-tube filled with an ionizable gas. Arrays of Plasma-tubes are positioned on a suitable base such as a substrate and used to inspect and detect radiation from a selected object. Each Plasma-tube may be of any suitable geometric configuration and may be used alone or in any combination with one or more Plasma-shells, such as a Plasma-disc, Plasma-dome, and/or Plasma-sphere. Luminescent material may be positioned near or on each Plasma-tube or Plasma-shell to provide or enhance light output. A flexible base substrate may be used to wrap a layer or blanket of radiation detection Plasma-tubes about the selected object. The substrate base may comprise an elongated rod that is used as a probe to detect radiation from an object. An object may be passed through a ring or a cylinder of Plasma-tubes.Type: GrantFiled: March 9, 2007Date of Patent: September 7, 2010Assignee: Imaging Systems TechnologyInventors: Carol Ann Wedding, Thomas J. Pavliscak
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Patent number: 7776255Abstract: Hollow metal and/or metal alloy articles are fabricated by the reduction of metal containing compounds, particularly non-metallic metal compounds.Type: GrantFiled: April 15, 2008Date of Patent: August 17, 2010Assignee: Imaging Systems TechnologyInventors: Carol Ann Wedding, Thomas J. Pavliscak, Oliver M. Strbik, III, Joe K. Cochran, Jr.
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Patent number: D632022Type: GrantFiled: April 21, 2010Date of Patent: February 1, 2011Inventor: Ross T. Walton
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Patent number: D641255Type: GrantFiled: January 16, 2009Date of Patent: July 12, 2011Assignee: Designetics, Inc.Inventor: Craig A. Williams
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Patent number: D644073Type: GrantFiled: February 25, 2008Date of Patent: August 30, 2011Inventor: Ryan T. Nottke
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Patent number: D652809Type: GrantFiled: August 18, 2009Date of Patent: January 24, 2012Assignee: Imaging Systems TechnologyInventors: Carol Ann Wedding, Daniel K. Wedding, Oliver M. Strbik, III