Patent Yard Sign in
Canadian application, no grantCanada

Apparatus and method for efficient tdma bandwidth allocation for tcp/ip satellite-based networks

CA 2373678 A1 · Owner: Kay, Stanley E. · Inventors: Kepley, W. Robert; Kay, Stanley E.; Kelly, Frank M. Jr.

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

A communication system balances message traffic between return channel groups and within the groups, so that the user does not control the specific transmission frequency used. Uplink frequencies and bandwidths for the return channels are set by the system in a return channel control message in the broadcast signal so as to account for system and return channel group laoding and to account for user message backlogs. An initial transmission from a remote user may be made using an ALOHA-type burst signal that provides a message backlog to the control station and is made on a frequency determined from a randomly weighted, load-based frequency selection process. The system and not 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

  • Filed March 1, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 1, 2021.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 1, 2023.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 1, 2001
GrantedNo grant recorded
Term endedMarch 1, 2021
Patent numberCA 2373678 A1
Classification (IPC)H04B7/00 +2 more

Timeline

Timeline From CIPO dates

2002200420062008201020122014201620182020Application filedMarch 1, 2001Term endedMarch 1, 2021

Sources & verification

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