Patents by Inventor Richard D. Crawshaw

Richard D. Crawshaw 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).

  • Lane tracking system employing redundant image sensing devices
    Patent number: 6930593
    Abstract: A lane tracking system for a vehicle employing redundant imaging devices with different fields of view is disclosed. The imaging devices are oriented in generally opposite directions so glare or other harsh lighting hampering one imaging device will not affect the other device. The appropriate image is selected based on image quality and used to detect lane markers and vehicle position. A preferred application for lane departure warning is also disclosed.
    Type: Grant
    Filed: February 24, 2003
    Date of Patent: August 16, 2005
    Assignee: Iteris, Inc.
    Inventor: Richard D. Crawshaw
  • Lane tracking system employing redundant image sensing devices
    Publication number: 20040164851
    Abstract: A lane tracking system for a vehicle employing redundant imaging devices with different fields of view is disclosed. The imaging devices are oriented in generally opposite directions so glare or other harsh lighting hampering one imaging device will not affect the other device. The appropriate image is selected based on image quality and used to detect lane markers and vehicle position. A preferred application for lane departure warning is also disclosed.
    Type: Application
    Filed: February 24, 2003
    Publication date: August 26, 2004
    Inventor: Richard D. Crawshaw