Patents Represented by Attorney, Agent or Law Firm Hughes & Luce, L.L.P.
  • Patent number: 5996025
    Abstract: A system, method and computer program are provided for a control server in a client/server environment wherein an API framework facilitates scalable, network transparent, integrated multimedia content loading and data streaming. Concurrent real time content loading and data streaming are possible and techniques are included for admitting new streams only when they can be serviced without negatively affecting current system performance.
    Type: Grant
    Filed: October 31, 1997
    Date of Patent: November 30, 1999
    Assignee: International Business Machines Corp.
    Inventors: Michael Norman Day, Peggy PakFan Dixon, Thanh-ha Pham, Lance Warren Russell, Danling Shi, Richard Lee Verburg, Donald Edwin Wood, Leo Yue Tak Yeung
  • Patent number: 5969868
    Abstract: A color filter plate includes a continuously-variable dichroic filter coating constituting a variable band-pass or variable band-reject filter having a spatially-modulated variable-density pattern formed in the coating, and provides continuously-variable hue and saturation characteristics along separate gradient axes. A color filter mechanism includes a sequential arrangement of rectangular or circular color filters, having continuously-variable band-pass or band-reject filter coatings, mounted in motorized carriages. One mechanism provides two-axis translation of the rectangular color filters while another mechanism provides translation and rotation of the circular color filters. A light projection system comprising a lamp with a reflector and a lens includes a color filter mechanism having sequential, continuously-variable band-pass and band-reject filters supported by motorized carriages mounted in a region where the beam diameter is small.
    Type: Grant
    Filed: May 5, 1998
    Date of Patent: October 19, 1999
    Assignee: Vari-Lite, Inc.
    Inventors: James M. Bornhorst, Richard W. Hutton
  • Patent number: 5959768
    Abstract: A light pattern generator includes a reflective layer absorptive to infra-red radiation from which a desired pattern has been removed to allow passage of a light beam in the shape of the pattern. A method for making a light pattern generator includes forming a layer of reflective material on a transparent substrate and ablating a portion of the layer with a laser to create a desired pattern.
    Type: Grant
    Filed: September 17, 1996
    Date of Patent: September 28, 1999
    Assignee: Vari-Lite, Inc.
    Inventor: Richard W. Hutton
  • Patent number: 5934794
    Abstract: An optical system for an image projector luminaire includes a variable-focus lens having a depth-of-field adjustable as to location along an optical axis, and two carriages each supporting at least one image pattern generator at separate locations along the optical axis, at least one of those carriages being adjustable as to location along the optical axis. The system is operable to bring either or both image pattern generators into focus. Each carriage may support pattern generator exchanger mechanisms for selecting one of a plurality of available patterns, and may also rotate the selected pattern. The movable carriage, the lens, and the pattern exchanger mechanisms may all be motorized and operable by remote or computer control.
    Type: Grant
    Filed: September 30, 1997
    Date of Patent: August 10, 1999
    Assignee: Vari-Lite, Inc.
    Inventor: Richard W. Hutton
  • Patent number: D413995
    Type: Grant
    Filed: September 30, 1997
    Date of Patent: September 14, 1999
    Assignee: Vari-Lite, Inc.
    Inventors: Brad Lee, Breck M. Outland, Timothy W. Terleski, Staci A. Mininger
  • Patent number: D414888
    Type: Grant
    Filed: November 12, 1998
    Date of Patent: October 5, 1999
    Assignee: Vari-Lite, Inc.
    Inventors: Bryan S. McNatt, Breck M. Outland, Christina Michelle Brunson
  • Patent number: D415301
    Type: Grant
    Filed: November 16, 1995
    Date of Patent: October 12, 1999
    Assignee: Vari-Lite, Inc.
    Inventors: Timothy D. Stacy, Douglas A. Hanson, Timothy W. Terleski
  • Patent number: D417300
    Type: Grant
    Filed: November 16, 1995
    Date of Patent: November 30, 1999
    Assignee: Vari-Lite, Inc.
    Inventors: Timothy D. Stacy, Douglas A. Hanson, Timothy W. Terleski