Apparatus and method for lens adjustment
CA 2315846 A1 · Owner: Hubbell Incorporated · Inventors: Howard, Carol A.; Strang, Ward E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A vernier ratchet-type lens adjuster for use with a lens array allows for fine adjustment of the coverage pattern of a sensor. The lens array can have notches, or, teeth, that interact with a single tooth or pawl, of a lens adjuster unit to , maintain the position of the lens array. A user can make fine adjustments to the coverage, pattern of the sensor by moving the lens array small increments. Alternatively, a, rack and pinion type vernier adjuster can be used. One edge of the lens array has, notches, forming the teeth of a rack portion. A pinion or gear, has , compatible, teeth for mating with the rack portion. The pinion has a knob or screw accessible, from a port in the sensor …
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 August 9, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 9, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 9, 2022.
- 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.