Patents by Inventor R. Harold Crawford

R. Harold Crawford 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).

  • Proximity management system and method using radio-frequency identification tags
    Patent number: 7274292
    Abstract: A master controller for managing items tagged with radio-frequency identification (RFID) tags includes a transceiver to transmit interrogation signals to the RFID tags and to receive response signals from the RFID tags. The master controller may also include a processor to determine the proximity of tagged items based on signal levels of the response signals, and to notify a user when certain ones of the tagged items are in a predetermined relation to a proximity threshold.
    Type: Grant
    Filed: June 25, 2004
    Date of Patent: September 25, 2007
    Assignee: Intel Corporation
    Inventors: Ravindra V. Velhal, Jeetendra G. Deshmukh, Nikhil M. Deshpande, R. Harold Crawford, John D. Fowler
  • Proximity management system and method using radio-frequency identification tags
    Publication number: 20050285739
    Abstract: A master controller for managing items tagged with radio-frequency identification (RFID) tags includes a transceiver to transmit interrogation signals to the RFID tags and to receive response signals from the RFID tags. The master controller may also include a processor to determine the proximity of tagged items based on signal levels of the response signals, and to notify a user when certain ones of the tagged items are in a predetermine relation to a proximity threshold.
    Type: Application
    Filed: June 25, 2004
    Publication date: December 29, 2005
    Inventors: Ravindra Velhal, Jeetendra Deshmukh, Nikhil Deshpannde, R. Harold Crawford, John Fowler