Steering rotation detector
CA 2416210 A1 · Owner: Tamagawa Seiki Kabushiki Kaisha · Inventors: Mimura, Hisashi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
To detect a difference between rotation angles of respective shafts by using non-contact type resolvers with high precision. In a steering rotation detector according to the present invention a rotation angle of a first shaft of a steering wheel is detected by a first rotation detecting unit of a resolver a rotation angle, of a second shaft of front wheels side is detected by a second rotation detecting unit of a resolver, whereby a power steering with high precision is obtained.
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 January 13, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 13, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 13, 2025.
- 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.