Method and apparatus for recording, storage and retrieval of audio communications
CA 2063631 A1 · Owner: Spitzer, Frank R. J. · Inventors: So, Stephen; Beauchamp, Scott M.; Allan, Stuart
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 logging system has two logging nodes and an administrative node for continuously and automatically digitally recording audio communications over long periods of time from telephone and radio lines. The communications are recorded on directly accessible digital media, such as WORM platters. The system is integrated with a telephone system and also records start/stop times line numbers, and other identifying material for the communications, on the same media as the communications. The replay of communications may be initiated and heard over a touch tone phone. The system has security and notification features. Each logging node operates as a standby for the other …
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 March 20, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 20, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 20, 2014.
- 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.