Laser warning device
CA 2101153 A1 · Owner: Forsvarets Forskningsanstalt · Inventors: Nissborg, Kurt; Bolander, Goran
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a laser warning device. In a military connection, such devices have the task to register laser radiation from e.g. laser rangefinders or laser designators and by a warning signal make clear to the illuminated person that laser illumination has occurred or continues. In addition to indicating this it is also desirable that the laser warning device is able to establish the direction of incidence. The present invention solves the raised problem by comprising a position sensitive detector or a position sensitive detector arrangement having a detector surface (1), that is protected from radiation that falls directly onto it, and a reflector (2). The reflector …
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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 February 14, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 14, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 14, 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.