Ink-on-glass digitizer tablet and method of construction
CA 1323707 C · Owner: Calcomp Inc. · Inventors: Landmeier, Waldo Lawrence
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure:, A digitizer tablet and associated method of construction employing ink-on-glass technology. The method comprises first obtaining a glass substrate having top and bottom surfaces. A plurality of parallel spaced conductive ink first conductors are applied on the top surface of the substrate with the first conductors terminating in conductive ink pads adjacent a side edge of the substrate. A plurality of parallel spaced, conductive ink second conductors are then applied on the bottom surface of the substrate perpendicular to the first conductors with the second conductors terminating in conductive ink pads adjacent another side edge of the substrate. A flexible …
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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
- Granted October 26, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 26, 2010.
- 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.