Device and method for communication
CA 2400734 A1 · Owner: Anoto Ab · Inventors: Hugosson, Ola; Ericson, Petter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A product (1) intended for electronic transmission of handwritten information a user unit (11) for recording and sending the information and a computer , program for controlling a user unit are described. The product comprises at least one writing area intended for the handwritten information and an address area (3) indicating an address to which the handwritten information is to be sent. A position-coding pattern in the form of a plurality of symbols is reproduced in the writing area, as arbitrary position area of a predetermined size of the position-coding pattern unambiguously defining a position on the product, and the address area comprises an address-coding pattern with a …
Read the whole patent
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 21, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 21, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 21, 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.