Patents Assigned to Imaging Systems Technology
  • Patent number: 7622866
    Abstract: There is disclosed a plasma display panel (PDP) device having one or more substrates and a multiplicity of pixels or sub-pixels. Each pixel or sub-pixel is defined by a hollow Plasma-domeā„¢ filled with an ionizable gas. The Plasma-dome has a flat side and an opposing domed side such as a flat bottom and a domed top or a flat rear and domed front. One or more other sides or edges may also be flat. Two or more addressing electrodes are in electrical contact with each Plasma-dome. A flat base side or domed side of the Plasma-dome shell is in contact with a substrate. The PDP may also include inorganic and organic luminescent materials that are excited by the gas discharge within each Plasma-dome. The luminescent material may be located on an exterior and/or interior surface of the Plasma-dome or incorporated into the shell of the Plasma-dome. 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: February 2, 2006
    Date of Patent: November 24, 2009
    Assignee: Imaging Systems Technology
    Inventors: Carol Ann Wedding, Oliver M. Strbik, III, Daniel K. Wedding
  • Patent number: 7619591
    Abstract: The simultaneous addressing and sustaining of an AC plasma display panel comprised of a multiplicity of Plasma-shells with the display divided into a plurality of Plasma-shell sections S1, S2, Sn. The Plasma-shells in at least one section of the panel are addressed while the Plasma-shells in at least one other section of the panel are simultaneously sustained. A reset voltage is simultaneously applied to all of the Plasma-shells in each section before the addressing of Plasma-shells in one section and the simultaneous sustaining of Plasma-shells in another section. Plasma-shell includes Plasma-sphere, Plasma-disc, and Plasma-dome.
    Type: Grant
    Filed: August 23, 2005
    Date of Patent: November 17, 2009
    Assignee: Imaging Systems Technology
    Inventors: Jeffery W. Guy, Carol Ann Wedding
  • Patent number: 7604523
    Abstract: Plasma-shells filled with ionizable gas are positioned on or within a rigid or flexible substrate. Each Plasma-shell is electrically connected to at least two electrical conductors such as electrodes with an electrically conductive bonding substance to form an electrical connection to each electrode. The electrically conductive bonding substance may comprise a pad connected to both the Plasma-shell and an electrode.
    Type: Grant
    Filed: June 10, 2005
    Date of Patent: October 20, 2009
    Assignee: Imaging Systems Technology
    Inventors: Carol Ann Wedding, Daniel Keith Wedding
  • Patent number: 7595774
    Abstract: There is disclosed the simultaneous addressing and sustaining of a gas discharge AC plasma display comprised of a multiplicity of Plasma-shells wherein the Plasma-shells in at least one section of the display are addressed while the Plasma-shells in at least one other section of the display are being simultaneously sustained. Plasma-shell includes Plasma-sphere, Plasma-disc, and Plasma-dome.
    Type: Grant
    Filed: August 24, 2005
    Date of Patent: September 29, 2009
    Assignee: Imaging Systems Technology
    Inventors: Carol Ann Wedding, Jeffrey W. Guy
  • Patent number: 7589697
    Abstract: There is disclosed the simultaneous addressing and sustaining of a surface discharge AC plasma display panel wherein at least one section of the panel is addressed while at least one other section of the panel is being simultaneously sustained. In one embodiment a reset voltage is applied to at least one section while at least one other section is being simultaneously addressed. In another embodiment, the reset voltage period in the one section is long enough to allow addressing in the other section followed by sustaining in the other said section.
    Type: Grant
    Filed: August 18, 2005
    Date of Patent: September 15, 2009
    Assignee: Imaging Systems Technology
    Inventors: Jeffrey W. Guy, Bala Velayudhan, Carol Ann Wedding
  • Patent number: 7535175
    Abstract: There is disclosed 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. As used herein plasma-shell includes plasma-disc, plasma-dome, 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 dome and an opposing flat side such as a dome top and a flat bottom or vice versa. One or more other sides or edges may also be flat or domed. Two 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 not flat. The PDP may include inorganic and/or organic luminescent substances that are excited by the gas discharge within each plasma-dome.
    Type: Grant
    Filed: February 2, 2007
    Date of Patent: May 19, 2009
    Assignee: Imaging Systems Technology
    Inventors: Oliver M. Strbik, III, Daniel K. Wedding, Carol Ann Wedding
  • Patent number: 7518576
    Abstract: The luminous efficiency of a plasma display panel (PDP) device is increased by positive column gas discharge sustaining, with higher voltage and Xe content, plus pre-discharges sustain priming. High-speed addressing by using address period priming discharge. Cost saving in row driver ICs is realized by row addressing separated from sustaining. High contrast ratio due to masking of setup and addressing discharges.
    Type: Grant
    Filed: August 8, 2008
    Date of Patent: April 14, 2009
    Assignee: Imaging Systems Technology
    Inventor: James C. Rutherford
  • Patent number: 7474273
    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 plasma display panel (PDP) containing a multiplicity of Plasma-shells, each Plasma-shell containing a gas which is ionized to produce electron density. Each Plasma-shell acts alone or in concert with other Plasma-shells to form a dipole or pattern of dipoles.
    Type: Grant
    Filed: April 25, 2006
    Date of Patent: January 6, 2009
    Assignee: Imaging Systems Technology
    Inventors: Thomas J. Pavliscak, Carol Ann Wedding
  • Patent number: 7456571
    Abstract: A monolithic or single substrate AC gas discharge (plasma) display constructed of gas filled microspheres positioned on a substrate in electrical contact with two or more electrode.
    Type: Grant
    Filed: May 8, 2003
    Date of Patent: November 25, 2008
    Assignee: Imaging Systems Technology
    Inventor: Carol Ann Wedding
  • Patent number: 7456808
    Abstract: There is disclosed visual artifact reduction methods for a display comprising the use of gamma corrections, error diffusion, dithering, and/or center of light. The invention is described with reference to an AC gas discharge display (PDP), 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, SAS, and ALIS. In one preferred embodiment, a center of light timing method is used to reduce artifacts between different sections of a PDP being addressed with SAS architecture.
    Type: Grant
    Filed: February 2, 2004
    Date of Patent: November 25, 2008
    Assignee: Imaging Systems Technology
    Inventors: Carol Ann Wedding, Jeffrey W. Guy
  • Patent number: 7405516
    Abstract: A PDP constructed out of one or more Plasma-shells with a luminescent substance(s) located in close proximity to each Plasma-shell. The luminescent substance comprises a combination of an organic luminescent substance and an inorganic luminescent substance. The combination may be a mixture of organic and inorganic substances. Layers of organic and inorganic substances may be used. Each Plasma-shell is a hollow geometric body filled with an ionizable gas at a suitable pressure. 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. Plasma-shell includes Plasma-sphere, Plasma-disc, and Plasma-dome. The Plasma-shell may be used in combination with a Plasma-tube.
    Type: Grant
    Filed: April 18, 2005
    Date of Patent: July 29, 2008
    Assignee: Imaging Systems Technology
    Inventor: Carol Ann Wedding
  • Patent number: 7375342
    Abstract: 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 gas filled Plasma-shell having one or more flat sides. Arrays of Plasma-shells are positioned on a suitable base such as a substrate and used to inspect and detect radiation from a selected object. Each Plasma-shell may be of any suitable geometric configuration, including a Plasma-disc and a Plasma-dome. Luminescent material may be positioned near or on each 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-shells about the selected object.
    Type: Grant
    Filed: March 16, 2006
    Date of Patent: May 20, 2008
    Assignee: Imaging Systems Technology
    Inventor: Carol Ann Wedding
  • Patent number: 7319212
    Abstract: A non-invasive microwave analysis system determines scattered phase and/or amplitude data for a liquid in a container. A tank holds coupling liquid; the system includes a membrane for separating the liquid container from the coupling liquid. A transmitter antenna situated within the coupling liquid transmits microwaves. One or more receiver antennas within the coupling liquid convert microwave radiation that scatters from the liquid in the container into microwave electronic signals. Electronics process the microwave electronic signals to determine scattered phase and/or amplitude values of the microwave radiation.
    Type: Grant
    Filed: October 30, 2006
    Date of Patent: January 15, 2008
    Assignee: Microwave Imaging Systems Technologies, Inc.
    Inventors: Edward M Godshalk, Timothy Raynolds, Paul M. Meaney, Keith D. Paulsen, Greg Burke
  • Patent number: 7307602
    Abstract: There is disclosed 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: May 7, 2004
    Date of Patent: December 11, 2007
    Assignee: Imaging Systems Technology
    Inventors: Carol Ann Wedding, Jeffrey W. Guy
  • Patent number: 7247989
    Abstract: There is disclosed a gas discharge display device comprised of microspheres containing ionizable gas, each microsphere being positioned within a cavity, well, or hollow. Photons from the gas discharge within a microsphere excite a phosphor such that the phosphor emits wavelengths in the visible and/or invisible spectrum. The invention is described in detail with reference to an AC gas discharge (plasma) display.
    Type: Grant
    Filed: January 25, 2005
    Date of Patent: July 24, 2007
    Assignee: Imaging Systems Technology, Inc
    Inventor: Donald K Wedding
  • Patent number: 7176628
    Abstract: There is disclosed a process for fabricating a positive column gas discharge plasma display device comprising one or more ionizable gas filled elongated Plasma-tubes. The display may be a dual substrate or a single substrate device. The ionizable gas typically produces photons in the UV, IR, and/or visible range during gas discharge. The photons may excite one or more phosphors located on or in close proximity to one or more Plasma-tubes. The plasma display device may contain at least one Plasma-shell that produces photons in the UV, IR, and/or visible range during gas discharge. Plasma-shell includes Plasma-disc, Plasma-dome and Plasma-sphere.
    Type: Grant
    Filed: May 19, 2005
    Date of Patent: February 13, 2007
    Assignee: Imaging Systems Technology
    Inventor: Carol Ann Wedding
  • Patent number: 7164105
    Abstract: Non-invasive microwave analysis systems and methods determine scattered phase data for a liquid in a container. A transmitter antenna situated within coupling liquid separated from the container by a flexible membrane transmits microwaves that scatter from the container and the liquid in the container. One or more receiver antennas within the coupling liquid convert the microwaves into microwave electronic signals that are processed to determine the scattered phase data. Non-invasive microwave analysis systems and methods image a portion of a biological subject. A transmitter antenna situated within coupling liquid separated from the subject by a flexible membrane transmits microwaves that scatter from the container and the subject. One or more receiver antennas within the coupling liquid convert the microwaves into microwave electronic signals that are processed to reconstruct a cross-sectional image of the subject.
    Type: Grant
    Filed: March 15, 2005
    Date of Patent: January 16, 2007
    Assignee: Microwave Imaging Systems Technologies, Inc.
    Inventors: Edward M Godshalk, Timothy Raynolds, Paul M. Meaney, Keith D. Paulsen, Greg Burke
  • Patent number: 7157854
    Abstract: There is disclosed a gas discharge plasma display device comprising one or more ionizable gas filled elongated tubes. In one embodiment, the device is operated as a positive column gas discharge display. In another embodiment, the display is a monolithic or single substrate display.
    Type: Grant
    Filed: May 20, 2003
    Date of Patent: January 2, 2007
    Assignee: Imaging Systems Technology
    Inventor: Carol Ann Wedding
  • Patent number: 7122961
    Abstract: There is disclosed a positive column gas discharge plasma display device comprising one or more ionizable gas filled elongated Plasma-tubes. The display may be a dual substrate or a single substrate device. One or more substrates may be of a flexible material. The ionizable gas produces photons in the UV, IR, and/or visible range during gas discharge. The photons may excite one or more luminescent materials located on or in close proximity to one or more Plasma-tubes. The plasma display device may contain at least one Plasma-shell filled with an ionizable gas that produces photons in the UV, IR, and/or visible range during gas discharge. Plasma-shell includes Plasma-disc, Plasma-dome and Plasma-sphere.
    Type: Grant
    Filed: November 29, 2005
    Date of Patent: October 17, 2006
    Assignee: Imaging Systems Technology
    Inventor: Carol Ann Wedding
  • Patent number: 6985125
    Abstract: Addressing and sustaining of a surface discharge AC plasma display panel by applying addressing voltages to at least one section of the panel while at least one other section of the panel is being simultaneously sustained.
    Type: Grant
    Filed: June 13, 2001
    Date of Patent: January 10, 2006
    Assignee: Imaging Systems Technology, Inc.
    Inventors: Bala K Velayudhan, Carol A. Wedding, Jeffrey W. Guy