Cybernetic keyer for transmitting or entering symbols of a discrete alphabet into a device such as a wearable computer or portable information processor
CA 2309868 A1 · Owner: Mann, Steve · Inventors: Mann, Steve
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A handheld keyer, suitable for sending code transmitting messages, or , entering, data into a body-worn computer or the like, is described. The keyer comprises a plurality of switches actuable in various combinations such that, with a , small, number of switches a large number of chords are possible, a chord being defined, as a combination of closings and openings of one or more switches. Because of the, numerous chords that can be generated multiple chords can be assigned to the same, symbol. Therefore, the choice of chord can be made based on a chord progression, that makes data entry easier more efficient, and less repetitious. The keyer in the, preferred embodiment, is operable …
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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 30, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 30, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 30, 2022.
- 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.