Patents by Inventor John Rada

John Rada 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: 8482736
    Abstract: A method of detecting the condition of a turf grass is described. According to one aspect of the invention, the method comprises steps of attaching an active sensor to a mower; traversing a section of turf grass; and processing the output of the sensor. A device for detecting the condition of turf grass is also disclosed. The device comprises an array of illuminating devices generating a pattern of illuminating light; a detecting device receiving a pattern of reflected light which is coincident with the pattern of illuminating light; a detecting device adapted to detect stray light from the array of illuminating devices; and a feedback loop controlling the array of illuminating devices. A system employing the device is also disclosed.
    Type: Grant
    Filed: February 22, 2011
    Date of Patent: July 9, 2013
    Inventors: David Franzen, John Rada, Kevin Ediger, Greg Biggs, Jonathan M. Welles, Tanvir Demetriades-Shah
  • Publication number: 20120187277
    Abstract: A method of detecting the condition of a turf grass is described. According to one aspect of the invention, the method comprises steps of attaching an active sensor to a mower; traversing a section of turf grass; and processing the output of the sensor. A device for detecting the condition of turf grass is also disclosed. The device comprises an array of illuminating devices generating a pattern of illuminating light; a detecting device receiving a pattern of reflected light which is coincident with the pattern of illuminating light; a detecting device adapted to detect stray light from the may of illuminating devices; and a feedback loop controlling the array of illuminating devices. A system employing the device is also disclosed.
    Type: Application
    Filed: February 23, 2012
    Publication date: July 26, 2012
    Applicant: LI-COR, Inc.
    Inventors: David Franzen, John Rada, Kevin Ediger, Greg Biggs, Jonathan M. Welles, Tanvir Demetriades-Shah
  • Publication number: 20110235043
    Abstract: A method of detecting the condition of a turf grass is described. According to one aspect of the invention, the method comprises steps of attaching an active sensor to a mower; traversing a section of turf grass; and processing the output of the sensor. A device for detecting the condition of turf grass is also disclosed. The device comprises an array of illuminating devices generating a pattern of illuminating light; a detecting device receiving a pattern of reflected light which is coincident with the pattern of illuminating light; a detecting device adapted to detect stray light from the array of illuminating devices; and a feedback loop controlling the array of illuminating devices. A system employing the device is also disclosed.
    Type: Application
    Filed: February 22, 2011
    Publication date: September 29, 2011
    Applicant: LI-COR, Inc.
    Inventors: David Franzen, John Rada, Kevin Ediger, Greg Biggs, Jonathan M. Welles, Tanvir Demetriades-Shah
  • Patent number: 7929141
    Abstract: A method of detecting the condition of a turf grass is described. According to one aspect of the invention, the method comprises steps of attaching an active sensor to a mower; traversing a section of turf grass; and processing the output of the sensor. A device for detecting the condition of turf grass is also disclosed. The device comprises an array of illuminating devices generating a pattern of illuminating light; a detecting device receiving a pattern of reflected light which is coincident with the pattern of illuminating light; a detecting device adapted to detect stray light from the array of illuminating devices; and a feedback loop controlling the array of illuminating devices. A system employing the device is also disclosed.
    Type: Grant
    Filed: January 10, 2008
    Date of Patent: April 19, 2011
    Assignee: Li-Cor, Inc.
    Inventors: David Franzen, John Rada, Kevin Ediger, Gregory L Biggs, Jonathan M. Welles, Tanvir Demetriades-Shah
  • Patent number: 7911616
    Abstract: A method of detecting the condition of a turf grass is described. According to one aspect of the invention, the method comprises steps of attaching an active sensor to a mower; traversing a section of turf grass; and processing the output of the sensor. A device for detecting the condition of turf grass is also disclosed. The device comprises an array of illuminating devices generating a pattern of illuminating light; a detecting device receiving a pattern of reflected light which is coincident with the pattern of illuminating light; a detecting device adapted to detect stray light from the array of illuminating devices; and a feedback loop controlling the array of illuminating devices. A system employing the device is also disclosed.
    Type: Grant
    Filed: February 13, 2006
    Date of Patent: March 22, 2011
    Assignee: LI-COR, Inc.
    Inventors: David Franzen, John Rada, Kevin Ediger, Greg Biggs, Jonathan M. Welles, Tanvir Demetriades-Shah
  • Publication number: 20080316491
    Abstract: A method of detecting the condition of a turf grass is described. According to one aspect of the invention, the method comprises steps of attaching an active sensor to a mower; traversing a section of turf grass; and processing the output of the sensor. A device for detecting the condition of turf grass is also disclosed. The device comprises an array of illuminating devices generating a pattern of illuminating light; a detecting device receiving a pattern of reflected light which is coincident with the pattern of illuminating light; a detecting device adapted to detect stray light from the array of illuminating devices; and a feedback loop controlling the array of illuminating devices. A system employing the device is also disclosed.
    Type: Application
    Filed: January 10, 2008
    Publication date: December 25, 2008
    Inventors: David Franzen, John Rada, Kevin Ediger, Greg Biggs, Jonathan M. Welles, Tanvir Demetriades-Shah
  • Patent number: 7362439
    Abstract: A method of detecting the condition of a turf grass is described. According to one aspect of the invention, the method comprises steps of attaching an active sensor to a mower; traversing a section of turf grass; and processing the output of the sensor. A device for detecting the condition of turf grass is also disclosed. The device comprises an array of illuminating devices generating a pattern of illuminating light; a detecting device receiving a pattern of reflected light which is coincident with the pattern of illuminating light; a detecting device adapted to detect stray light from the array of illuminating devices; and a feedback loop controlling the array of illuminating devices. A system employing the device is also disclosed.
    Type: Grant
    Filed: September 5, 2003
    Date of Patent: April 22, 2008
    Assignee: Li-Cor, Inc.
    Inventors: David Franzen, John Rada, Kevin Ediger, Greg Biggs, Jonathan M. Welles, Tanvir Demetriades-Shah
  • Publication number: 20060151680
    Abstract: A method of detecting the condition of a turf grass is described. According to one aspect of the invention, the method comprises steps of attaching an active sensor to a mower; traversing a section of turf grass; and processing the output of the sensor. A device for detecting the condition of turf grass is also disclosed. The device comprises an array of illuminating devices generating a pattern of illuminating light; a detecting device receiving a pattern of reflected light which is coincident with the pattern of illuminating light; a detecting device adapted to detect stray light from the array of illuminating devices; and a feedback loop controlling the array of illuminating devices. A system employing the device is also disclosed.
    Type: Application
    Filed: February 13, 2006
    Publication date: July 13, 2006
    Inventors: David Franzen, John Rada, Kevin Ediger, Greg Biggs, Jonathan Welles, Tanvir Demetriades-Shah
  • Publication number: 20050024213
    Abstract: A method of detecting the condition of a turf grass is described. According to one aspect of the invention, the method comprises steps of attaching an active sensor to a mower; traversing a section of turf grass; and processing the output of the sensor. A device for detecting the condition of turf grass is also disclosed. The device comprises an array of illuminating devices generating a pattern of illuminating light; a detecting device receiving a pattern of reflected light which is coincident with the pattern of illuminating light; a detecting device adapted to detect stray light from the array of illuminating devices; and a feedback loop controlling the array of illuminating devices. A system employing the device is also disclosed.
    Type: Application
    Filed: September 5, 2003
    Publication date: February 3, 2005
    Inventors: David Franzen, John Rada, Kevin Ediger, Greg Biggs, Jonathan Welles, Tanvir Demetriades-Shah