Patents by Inventor Toby Crandall

Toby Crandall 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).

  • Method and system for assigning channels in a wireless LAN
    Patent number: 7729262
    Abstract: Described is a system and method for receiving traffic load information for a plurality of access points, each of the access points including at least two channels for communicating and neighboring at least one of the other access points. A throughput of each channel of each access point is determined based on the traffic load information for each access point and any neighboring access points. A channel with a maximum determined throughput is selected for each access point. Each access point then switches to the selected channel at a defined probability rate.
    Type: Grant
    Filed: August 30, 2005
    Date of Patent: June 1, 2010
    Assignee: AT&T Corp.
    Inventors: Toby Crandall, Hui Luo, Nemmara K. Shankaranarayanan
  • Method and system for assigning channels in a wireless LAN
    Publication number: 20060072502
    Abstract: Described is a system and method for receiving traffic load information for a plurality of access points, each of the access points including at least two channels for communicating and neighboring at least one of the other access points. A throughput of each channel of each access point is determined based on the traffic load information for each access point and any neighboring access points. A channel with a maximum determined throughput is selected for each access point. Each access point then switches to the selected channel at a defined probability rate.
    Type: Application
    Filed: August 30, 2005
    Publication date: April 6, 2006
    Inventors: Toby Crandall, Hui Luo, Nemmara Shankaranarayanan
  • Combination smart card-barcode reader
    Publication number: 20040206822
    Abstract: An apparatus for reading and storing barcodes on a smart card comprising, a housing unit containing therein; activation means for turning the unit on; barcode reading means for reading a barcode into the unit; means for storing the barcodes; and means for writing the barcodes so stored in the unit onto a smart card.
    Type: Application
    Filed: April 16, 2003
    Publication date: October 21, 2004
    Inventor: Toby Crandall