Patents by Inventor Mark E. Greenberg

Mark E. Greenberg 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: 7846046
    Abstract: A movable frame may be positioned about a playing surface and defines a substantially straight pathway for a tool to follow while altering a playing surface, such as by cutting or marking the surface. A template that may be used to accurately define key positions of a playing surface, like a tennis court. Various pairs of the key positions may, in turn, be used to define each line that is to be marked or altered on the playing surface. Patterns of sensor circuits are defined for indentifying whether a ball impacts the tennis court at a position that is in play, or out of play.
    Type: Grant
    Filed: February 22, 2008
    Date of Patent: December 7, 2010
    Inventors: Mark E. Greenberg, Moise Roditi
  • Publication number: 20080220912
    Abstract: A movable frame may be positioned about a playing surface and defines a substantially straight pathway for a tool to follow while altering a playing surface, such as by cutting or marking the surface. A template that may be used to accurately define key positions of a playing surface, like a tennis court. Various pairs of the key positions may, in turn, be used to define each line that is to be marked or altered on the playing surface. Patterns of sensor circuits are defined for indentifying whether a ball impacts the tennis court at a position that is in play, or out of play.
    Type: Application
    Filed: February 22, 2008
    Publication date: September 11, 2008
    Applicant: Hawk-Eye Sensors Limited
    Inventors: Mark E. Greenberg, Moise Roditi