Patents by Inventor Christiaan Marie Wilhelmus Gabriel

Christiaan Marie Wilhelmus Gabriel 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).

  • Methods and apparatus for exchanging messages between systems having partially incompatible communication
    Patent number: 5870400
    Abstract: The methods and devices according to the invention supplement messages, which are to be exchanged between systems based on different protocol versions and which are provided with an information element of a second type, with an information element of a first type, and vice versa. As a result, greater design freedom in the development of subsequent compatible protocol versions, as well as subsequent non-compatible protocol versions, is obtained. Further, systems based on non-compatible protocol versions can even communicate directly with any type of receiving system. Furthermore, in this arrangement the drawback of needing to know, in advance, the protocol version on which the receiving system is based, does not apply.
    Type: Grant
    Filed: April 22, 1997
    Date of Patent: February 9, 1999
    Assignee: Koninklijke PTT Nederland N.V.
    Inventors: Johannes Marie Van Loon, Christiaan Marie Wilhelmus Gabriel, Rudolf Hendrik Johan Barenbrug, Jacobus Tuyt
  • Method for exchanging a message between systems in which the message comprises an information element of first type and information element of second type
    Patent number: 5790802
    Abstract: The methods and devices according to the invention supplement messages, which are to be exchanged between systems based on different protocol versions and which are provided with an information element of a second type, with an information element of a first type, and vice versa. As a result greater design freedom in the development of subsequent compatible protocol versions, as well as subsequent non-compatible protocol versions, is obtained. Further systems based on non-compatible protocol versions can even communicate directly with any type of receiving system. Furthermore, in this arrangement the drawback of needing to know, in advance, the protocol version on which the receiving system is based, does not apply.
    Type: Grant
    Filed: March 29, 1995
    Date of Patent: August 4, 1998
    Assignee: Koninklijke PTT Nederland N.V.
    Inventors: Johannes Marie Van Loon, Christiaan Marie Wilhelmus Gabriel, Roland Henri Johan Barenbrug, Jacobus Tuyt