Video/audio signal detecting apparatus
CA 2351807 A1 · Owner: Join Computer Co. Ltd. · Inventors: Chi, Ho Ching
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A signal detecting apparatus may be used for detecting signals from video facilities and includes a converter coupled to a CPU, one or more monitors coupled to the CPU via a switch device a video, interface and one or more audio interfaces coupled to the converter and the switch device for receiving the signals from the video facilities and for sending the signals to the CPU via the converter. The CPU may receive the signals from the facilities and may send only the signals from the energized facilities to the monitor via the switch device.
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 June 26, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 26, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 26, 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.