Angularly rotatable mirror apparatus
CA 1102597 A · Owner: Ricoh Company, Limited · Inventors: Tenmyo, Shigemoto; Koide, Hiroshi; Watanabe, Junichi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An angularly rotatable mirror apparatus including angularly rotatable mirror means and linear motor means. The angularly rotatable mirror means includes a mirror supported on a bracket and connected throug an arm to the linear motor means for angularly rotating the mirror including a magnetic circuit consisting of a permanent magnet a center, pole an outer yoke, and a gap defined between the center pole and the outer yoke, and a movable coil arranged in the gap and connected to the arm. Means is provides for effecting control of the operation of the linear motor means in such a manner that a light flux reflected by the mirror will move at a constant speed on a surface to be scanned by 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 June 9, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 9, 1998.
- 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.