Entertainment device and method of operation thereof
CA 2391151 A1 · Owner: Akazawa, Toru · Inventors: Akazawa, Toru
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An entertainment device and its operation method in which multiple operations are achieved by the same operation unit. The entertainment device has a main system, that receives a supply of power from a power circuit a push switch that , receives, operation instructions from outside a system controller that receives signals from the, push switch and controls the state of main system. An internal switch of the device, decides whether to turn the power of main system on or off. When the power source, of main system is turned on, the system controller decides based on the state , of signals, received from the push switch within a first standard time whether to output , to internal, switch a …
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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 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.
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.