Digital vibration transducer
CA 2426307 A1 · Owner: Kane, Gerry M. · Inventors: Kane, Gerry M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A digital vibration transducer for producing a digital signal representative of a vibration of a vibrating member is provided. The transducer includes a laser source (12) producing a light beam (20) that is focused on a detection area. The light beam is reflected towards this detection area by a reflector (10), at an angle with the optical axis of the light beam and pivotable about a pivot axis. A linkage assembly (16,17) connects the vibrating member (50) to the reflector to convert the vibrating of the vibration member into a pivoting of the reflector, thereby sweeping the reflected light beam across the detection area. A sensing and encoding assembly (18,19) is provided in the …
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 October 26, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 26, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 26, 2023.
- 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.