Patents by Inventor Roland W. F. Lee

Roland W. F. Lee 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: 8028913
    Abstract: Performance of an imaging reader for electro-optically reading direct part markings on workpieces is enhanced by uniformly illuminating the markings. An illuminator is operative for emitting illumination light of greater and lesser intensity toward the indicia. A diffuser is operative for diffusing the illumination light en route to the indicia. The diffuser includes a plurality of diffusing elements adjacent the illuminator for diffusing the illumination light of greater intensity more than the illumination light of lesser intensity.
    Type: Grant
    Filed: September 28, 2007
    Date of Patent: October 4, 2011
    Assignee: Symbol Technologies, Inc.
    Inventors: Rong Liu, Mark Drzymala, Eugene Joseph, Roland W. F. Lee
  • Patent number: 6944015
    Abstract: An improved housing configuration for a portable electronic device is provided. The housing includes a flash card slot configured within a battery compartment of the portable electronic device to protect a flash card from outside contaminants. The housing also includes a SIM module, the SIM module having a well to provide for proper alignment with a SIM card, a freely detachable SIM card cover, and a sealing gasket to provide a seal between the well and the SIM card cover. The housing also includes a pen slot, which enables a user to easily remove the pen with a pushing action. The housing further includes a hand strap mount, which can be easily converted into a hip-clip.
    Type: Grant
    Filed: March 9, 2004
    Date of Patent: September 13, 2005
    Assignee: Symbol Technologies, Inc.
    Inventors: Ian Jenkins, Mike Horan, Carl Thelemann, Roland W. F. Lee, Israel Aran
  • Patent number: 6724618
    Abstract: An improved housing configuration for a portable electronic device is provided. The housing includes a flash card slot configured within a battery compartment of the portable electronic device to protect a flash card from outside contaminants. The housing also includes a SIM module, the SIM module having a well to provide for proper alignment with a SIM card, a freely detachable SIM card cover, and a sealing gasket to provide a seal between the well and the SIM card cover. The housing also includes a pen slot, which enables a user to more easily remove the pen with a pushing action. The housing further includes a hand strap mount, which can be easily converted into a hip-clip.
    Type: Grant
    Filed: August 9, 2001
    Date of Patent: April 20, 2004
    Assignee: Symbol Technologies, Inc.
    Inventors: Ian Jenkins, Mike Horan, Carl Thelemann, Roland W. F. Lee, Israel Aran