High-voltage direct-current transmitting unit
CA 1084992 A · Owner: Licentia Patent-Verwaltungs-Gmbh · Inventors: Rogowsky, York
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A high-voltage direct-current transmitting unit consisting of at least one rectifier station, provided with a regulating device for direct transmission current ant at least two direct-voltage inverter stations connected in parallel and equipped with a quenching-angle regulating or control device and a minimum-control device for the direct transmission current. In the event of an interruption in the transmission of information between the stations, a voltage-regulating device arranged in the rectifier station lowers the direct voltage of the rectifier for a short time, to such, an extent that the minimum-current regulating device comes into action in the direct-voltage inverter stations. The …
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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 September 2, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 2, 1997.
- 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.