Patents by Inventor Gerald J. Hogg

Gerald J. Hogg 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).

  • Global message delivery system and method using GEO and Non-GEO satellites
    Patent number: 6173156
    Abstract: A message processing center (140) is used in a global message delivery system. Message processing center (140) uses at least one GEO satellite (130) and at least one Non-GEO satellite (120) to delivers messages (pages) to a number of ground stations (110) located at various locations on the surface of the earth. Message processing center (140) determines loading for at least one GEO satellite (130) and at least one Non-GEO satellite (120). Message processing center (140) determines available capacity for at least one GEO satellite (130) and at least one Non-GEO satellite (120). Message processing center (140) uses a number of criteria to optimize the delivery of the message data.
    Type: Grant
    Filed: May 4, 1998
    Date of Patent: January 9, 2001
    Assignee: Motorola, Inc.
    Inventors: William R. Worger, Gerald J. Hogg, James Edward Greenwood, Jr.
  • Key management for encryption/decryption systems
    Patent number: 4281216
    Abstract: In a data encryption/decryption system providing for security of data communications channels, a sub-system for generating, transporting encryption/decryption keys and for introducing those keys into the system while at the same time providing a high level of security for the keys and, hence, the encryption/decryption system.
    Type: Grant
    Filed: April 2, 1979
    Date of Patent: July 28, 1981
    Assignee: Motorola Inc.
    Inventors: Gerald J. Hogg, Robert A. Newman, Robert F. Pfeifer