Adsi cpte as a local pc user interface
CA 2315519 A1 · Owner: Jones, Eric A. · Inventors: Detering, Greig R.; Jones, Eric A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A computer interface that allows a local ADSI CPE to act as a user interface to an application program running on a local PC. The invention is embodied in a PC telephone interface card that is connected to a local ADSI CPE and a PC application running on the local PC. Communication is in accordance with the ADSI protocol, which allows for the display of character strings on the ADSI display screen, the downloading of scripts to the ADSI CPE, and the programming of softkeys on the ADSI CPE. The telephone interface converts DTMF tones received from the ADSI CPE to corresponding characters and sends these characters to the application program, and converts DTMF and FSK characters received from …
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 August 8, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 8, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 8, 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.