Method for data transmission via a packet-oriented communications network
CA 2355263 A1 · Owner: Fraas, Wolfgang · Inventors: Fraas, Wolfgang; Hunlich, Klaus; Nemeth, Karlo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a communications system in which communication terminals (KE1,... KEn) are connected to a packet-oriented communications network (ATM-KN) via at least one transfer unit (ATM-HUB) and a switching system (PBX). To transmit data between the switching system (PBX) and the communication terminals (KE1,... KEn) a time-slot-oriented data format (IOM- 2) is provided for, which consists of a periodic sequence of channel-specific information segments (B1, B2, M, D). For the transmission of data via said communications network (ATM-KN) a user data area (N) of a data packet (ATMZ) used to transmit data via the communications network (ATM-KN) is divided into at least one …
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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 December 13, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 13, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 13, 2021.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.