Self-routing switch and its routing method
CA 1315374 C · Owner: Nippon Telegraph & Telephone Corporation · Inventors: Urushidani, Shigeo; Imagawa, Hitoshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A self-routing switch in which a plurality of switching stages, each having a plurality of switching elements, are sequentially connected by substitute links wherein additional two input terminals and additional two output terminals are provided in each switching elements of at least the last plural switching stages of the switch and the, output terminals and input terminals of the same line position between these last plural switching stages are connected by equivalent links, respectively. When information data appended with a destination address and judge times as, routing information, is input into the switch one of bits in, the destination address is selected as a judge bit on the basis …
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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 March 30, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 30, 2010.
- 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.