Patents by Inventor Gerald Callow

Gerald Callow 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).

  • Voice over IP portable transreceiver
    Publication number: 20060126560
    Abstract: A portable transreceiver system transmitting voice communications over a data network is described. The system has a portable transreceiver (WT) mode where multiple users are connected using semi duplex communications, and a private mode in which pairs of users are connected using full duplex communications. Wireless voice enabled terminals are used by the users, and are interconnected via a network such as the Internet.
    Type: Application
    Filed: January 13, 2006
    Publication date: June 15, 2006
    Inventors: Kent Wotherspoon, Gerald Callow
  • Voice over IP portable transreceiver
    Publication number: 20060114854
    Abstract: Described below is a system to provide voice communication over a data network. The system is described as an access point connected to the data network adapted to exchange network messages over the data network and a wireless terminal including a transmitter component and a software module, the transmitter component adapted to exchange wireless messages with the access point over a wireless network, and the software module configured to provide a plurality of virtual channels. Each of the virtual channels being carried over the wireless network and the data network, the software module being configured to enable reception of the voice communication and to enable transmission of the voice communication over selected virtual channels.
    Type: Application
    Filed: January 13, 2006
    Publication date: June 1, 2006
    Inventors: Kent Wotherspoon, Gerald Callow
  • Voice over IP portable transreceiver
    Patent number: 7023821
    Abstract: A portable transreceiver system transmitting voice communications over a data network is described. The system has a portable transreceiver (WT) mode where multiple users are connected using semi duplex communications, and a private mode in which pairs of users are connected using full duplex communications. Wireless voice enabled terminals are used by the users, and are interconnected via a network such as the Internet.
    Type: Grant
    Filed: January 8, 2003
    Date of Patent: April 4, 2006
    Assignee: Symnbol Technologies, Inc.
    Inventors: Kent Wotherspoon, Gerald Callow
  • Voice over IP portable transreceiver
    Publication number: 20030193930
    Abstract: A portable transreceiver system transmitting voice communications over a data network is described. The system has a portable transreceiver (WT) mode where multiple users are connected using semi duplex communications, and a private mode in which pairs of users are connected using full duplex communications. Wireless voice enabled terminals are used by the users, and are interconnected via a network such as the Internet.
    Type: Application
    Filed: January 8, 2003
    Publication date: October 16, 2003
    Inventors: Kent Wotherspoon, Gerald Callow