Patent Yard Sign in
Expired Canadian patentCanada

Method and apparatus for packet-switched network communications measurement matrix display

CA 1279917 C · Owner: Morrill, Justin S. Jr. · Inventors: Morrill, Justin S. Jr.; Quan, James P.; Tomberlin, Jeffrey

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

Disclosed is a communications measurement matrix display for a protocol analyzer which is used to monitor traffic on a packet-switched network. The present invention allows the protocol analyzer user to see, at a glance a complete and, accurate overview of communications between more than thirtyone nodes on a packet-switched network over a user selectable, range of measurement-time intervals. The matrix display has two modes. One mode shows the source versus the destination nodes of the network as a 32-X-32 two-dimensional X-Y grid matrix having thirty one source nodes ordinally indicated along one grid axis and thirty one destination nodes ordinally indicated along the other grid axis. The …

Read the whole patent

Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted February 5, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 5, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 28, 1987
GrantedFebruary 5, 1991
Term endedFebruary 5, 2008
Patent numberCA 1279917 C
Classification (IPC)H04L43/18

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedJuly 28, 1987Patent grantedFeb 5, 1991Term endedFeb 5, 2008

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.