Decoupled dual-beam control system
CA 2104785 A1 · Owner: Negus, Charles C. · Inventors: Negus, Charles C.; Perez, Stephen M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A decoupled dual-beam control system for a compact micromanipulator unit for a surgical laser system includes a focusing mechanism (31) for focusing a first laser beam of a first wavelength at a predetermined focal point; and a control mechanism (50) for directing a second laser beam of a second wavelength onto the focusing mechanism (31); the control mechanism (50) includes means (52) for varying the diameter and wavefront of the second laser beam at the focusing mechanism (50) for enabling the focusing mechanism (50) to focus the second beam in the same focal plane as the first beam. The control mechanism further includes means (38) for translating the second beam relative to 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
- Filed December 22, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 22, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 22, 2014.
- 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.