Magnetron drive apparatus
CA 1308172 C · Owner: Kabushiki Kaisha Toshiba · Inventors: Imamura, Humihiro; Narita, Ryuho; Kako, Hidenori
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a magnetron drive apparatus a high frequency voltage, converted and output by a frequency converter is input to a primary winding of a transformer and a high voltage power output from a secondary winding of the transformer is rectified and supplied to an anode of the magnetron and power output from a heater winding of the transformer is supplied to a heater of the magnetron. The magnetron drive apparatus comprises a magnetic flux leakage device disposed in a magnetic path formed by the primary and secondary windings of the transformer and increases a leakage magnetic flux in the magnetic path. A device around which the secondary winding and the heater winding are wound is provided at a …
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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 29, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 29, 2009.
- 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.