Patents by Inventor William L. Snell

William L. Snell 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: 6947740
    Abstract: A communication satellite in a satellite communication system has multiple communication signal transmit horns or other transmit antenna (e.g., phased arrays) that transmit communication downlink signals to multiple corresponding terrestrial communication cells. The satellite includes first and second contiguous, high aspect ratio arrangements of the transmit horns. The first and second arrangements of transmit horns have allocated to them respective first and second orthogonal communication band segments. The first communication band segment is shared and fully allocable among the transmit horns of the first arrangement, and the second communication band segment is shared and fully allocable among the transmit horns of the second arrangement. The high aspect ratios of the first and second transmit horn arrangements result in corresponding high aspect ratios for terrestrial communication cell arrangements that can utilize well the allocable bandwidth of each communication band segment.
    Type: Grant
    Filed: June 13, 2002
    Date of Patent: September 20, 2005
    Assignee: Spacecode LLC
    Inventor: William L. Snell
  • Publication number: 20030232596
    Abstract: A communication satellite in a satellite communication system has multiple communication signal transmit horns or other transmit antenna (e.g., phased arrays) that transmit communication downlink signals to multiple corresponding terrestrial communication cells. The satellite includes first and second contiguous, high aspect ratio arrangements of the transmit horns. The first and second arrangements of transmit horns have allocated to them respective first and second orthogonal communication band segments. The first communication band segment is shared and fully allocable among the transmit horns of the first arrangement, and the second communication band segment is shared and fully allocable among the transmit horns of the second arrangement. The high aspect ratios of the first and second transmit horn arrangements result in corresponding high aspect ratios for terrestrial communication cell arrangements that can utilize well the allocable bandwidth of each communication band segment.
    Type: Application
    Filed: June 13, 2002
    Publication date: December 18, 2003
    Inventor: William L. Snell
  • Patent number: 6275479
    Abstract: A communication satellite transmitting system includes communication signal amplifiers (e.g., traveling wave tube (TWT) amplifiers) with outputs that are multiplexed among multiple transmit horns, each of which transmits a downlink communication signal to a corresponding geographic cells. In one implementation, each TWT amplifier is multiplexed among at least three transmit horns.
    Type: Grant
    Filed: March 19, 1999
    Date of Patent: August 14, 2001
    Assignee: Spacecode LLC
    Inventors: William L. Snell, Mark D. Thompson
  • Patent number: 6141534
    Abstract: A communication satellite system dynamically allocates additional downlink resources on the satellite to selected downlink signals to compensate for signal degradation. A typical cause of such degradation is rain where the downlink station is located. Another cause of such degradation is increased communication traffic or bandwidth demand within a particular region.
    Type: Grant
    Filed: March 25, 1998
    Date of Patent: October 31, 2000
    Assignee: Spacecode LLC
    Inventors: William L. Snell, Mark D. Thompson
  • Patent number: 5224704
    Abstract: A missle such as a ball incorporating a weighted mass having selected optimum for a given mass, velocity, spin and size while simultaneously making I as large as possible. The optimum selected weighted mass creates the desired in-flight path of the missile which experiences less perturbation so that missile precession and nutation is suppressed. In one form, the missile includes an elliptical spheroid such as a football having the selected weighted mass provided in an enclosure or covering with a hollow shell having a cavity containing an air volume. A cushion material such as foam is carried on opposite ends of the ball separating the shell from the covering. A band is disposed about the enclosure and shell midsection coaxially disposed with respect to the central longitudinal axis of the elliptical spheroid.
    Type: Grant
    Filed: May 12, 1992
    Date of Patent: July 6, 1993
    Inventor: William L. Snell