Transmission apparatus and tramsmission method
CA 2448925 A1 · Owner: Adachi, Tatsuya · Inventors: Iwata, Kazuya; Nakamura, Seiji; Adachi, Tatsuya
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A small-sized and low-cost transmission apparatus (having a high responsibility) which transmits an interrupt signal with a small number of input/output terminals (with no exclusive lines for interrupt signals) and a transmission method. A first transmission apparatus comprises a central processing unit which carries out interruption according to an interruption signal, an input/output section having at least one data line for transmitting a data signal between a second transmission apparatus and the first transmission apparatus and for transmitting the interrupt signal from the second transmission apparatus to the first transmission apparatus and an , interrupt signal sensing …
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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 May 24, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 24, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 24, 2024.
- 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.