Multi-color pen recording device
CA 1214144 A · Owner: Alps Electric Co. Ltd. · Inventors: Sugawara, Fukuo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a multi-color pen recording device suitable for a data recording instrument in which a rotary drum supporting a plurality of different colored pens around its periphery is mounted on a carriage which can be driven laterally across the recording paper which, can itself be driven longitudinally so that the, longitudinal axes of the rotary drum and the pens are perpendicular to the paper. The rotary drum is rotated under the guidance of a control system until the selected pen is in the writing position and then a pen pressing means presses that pen towards the recording paper so as to touch it so, that as the recording paper is driven longitudinally and the carriage is …
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
- Granted November 18, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 18, 2003.
- 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.