Multimedia telemeeting terminal device, terminal device system and manipulation method thereof
CA 2021865 A1 · Owner: Hitachi, Ltd. · Inventors: Takahashi, Masahiro; Maruo, Seizi; Yanai, Norifumi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a telemeeting terminal for performing communication between remote locations by using multiple media, the other party of a meeting is identified in s display picture and thereafter switching to a picture for presenting and explaining materials (i.e. a principal picture of the meeting) is performed. As a result it is possible to keep materials used in the meeting secret.
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 July 24, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 24, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 24, 2012.
- 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.