Local hybrid communication network in circuit and packet modes with a loop carrying a time multiplex
CA 1214247 A · Owner: Etablissement Public De Diffusion Dit "Telediffusion De France" · Inventors: Takhedmit, Tahar; Renoulin, Roger J.; Le Franc, Jean-Pierre
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A hybrid local communication network operates both in circuit and packet modes with a loop carrying a TDM multiplex for interconnecting a number of terminals connected to the loop. The communications in packet mode are controlled by a token. The header of each packet comprises the address of the called station and the address of the calling station. The TDM multiplex is arranged in multiframes comprising N frames O-(N-l). Each frame comprises P byte time slots iTO-iT(P-l) for transmitting a packet per frame. The byte time slot iTO in each frame contains the frame alignment pattern of the frame the byte time slot, iTl contains the frame packet token byte the byte time slots iT2-iTh, contain …
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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
- Granted November 18, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 18, 2003.
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Timeline
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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.