Patents by Inventor Louis R. Janis

Louis R. Janis 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).

  • Infrared network entry permission method and apparatus
    Patent number: 5245460
    Abstract: The present invention is for a radiation transmitter which transmits radiation to an illumination spot for forming reflected radiation. The transmitter includes a plurality of radiation transmission sources. Each of the sources transmits to a portion of the illumination spot. The transmitter includes means for alternately activating a portion of the transmission sources to illuminate a portion of the illumination spot for aligning a radiation receiver to receive the reflected radiation.Each resident of network transmits in turn its address and the address of each resident that it recognizes. Once a prospective resident can recognize each resident of the network it announces that it is joining the network and states its new address and the address of each resident it can see. Every resident then amends its list of recognized residents to include the new member.
    Type: Grant
    Filed: June 2, 1992
    Date of Patent: September 14, 1993
    Assignee: Photonics Corporation
    Inventors: Richard C. Allen, Robert J. Grady, Louis R. Janis, John Piccone, Bernard E. Stewart
  • Infrared network entry permission apparatus
    Patent number: 5119226
    Abstract: The present invention is for a radiation transmitter which transmits radiation to an illumination spot for forming reflected radiation. The transmitter includes a plurality of radiation transmission sources. Each of the sources transmits to a portion of the illumination spot. The transmitter includes means for alternately activating a portion of the transmission sources to illuminate a portion of the illumination spot for aligning a radiation receiver to receive the reflected radiation.Each resident of network transmits in turn its address and the address of each resident that it recognizes. Once a prospective resident can recognize each resident of the network it announces that it is joining the network and states its new address and the address of each resident it can see. Every resident then amends its list of recognized residents to include the new member.
    Type: Grant
    Filed: March 30, 1989
    Date of Patent: June 2, 1992
    Assignee: Photonics Corporation
    Inventors: Richard C. Allen, Robert J. Grady, Louis R. Janis, John Piccone, Bernard E. Stewart