Static convertor
CA 1062327 A · Owner: Asea Ab · Inventors: Skoog, Hans
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Title of the Invention, STATIC CONVERTOR Abstract of the Disclosure, A static convertor with DC terminals for connection to a load object with a variable electromotive force includes a control arrangement for controlling the direct voltage of the convertor between maximum and minimum values an arrangement for controlling the minimum value being connected to and dependent on the output of a sensing device which senses a quantity corresponding to the e.m.f. of the load object. The minimum value is limited to an upper value at which the commutation ability of the convertor is at least as great as the expected maximum direct current.
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
- Granted September 11, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 11, 1996.
- 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.