Patents by Inventor Steven R. Frederick

Steven R. Frederick 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).

  • Mitigating adjacent RFID reader interference
    Patent number: 11922247
    Abstract: A radio frequency identification (RFID) automatic vehicle identification (AVI) system configured to mitigate signal interference, the system comprising a plurality of RFID readers, comprising a first RFID reader and a second RFID reader; and a plurality of antennas, wherein a first antenna is connected to the first RFID reader and a second antenna is connected to the second RFID reader. Prior to the first RFID reader transmitting a signal through the first antenna, the first RFID reader samples a received radio frequency (RF) signal from the first antenna, and if the received RF signal meets predetermined strength and frequency criteria, the first RFID reader inhibits transmission of the signal through the first antenna.
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: March 5, 2024
    Assignee: Neology, Inc.
    Inventors: George D. Cruickshanks, David R. Missimer, Christopher J. Hopkins, Steven C. Lin, Thomas J. Frederick
  • Icon for an electronic display screen
    Patent number: D464061
    Type: Grant
    Filed: February 22, 2000
    Date of Patent: October 8, 2002
    Assignee: SmithKline Beecham Corporation
    Inventor: Steven R. Frederick