Detector system
CA 1320369 C · Owner: Schreiber, Martina · Inventors: Schreiber, Martina; Poisel, Hans; Trommer, Gerd
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The detector system for the directional detection of laser radiation incorporates individual optical systems that cover a prescribed total solid angle. Each individual optical system consists of a photoconductor and a photoconcentrator which is essentially funnel-shaped and tapers towards the end of the photoconductor and is of a rotationally symmetrical shape. The funnel wall is reflective on the inside and is so shaped that the following condition is fulfilled:, AK sin2 .theta. max > AF sin2 .theta. g wherein:, AK is the surface of the light-accepting opening of the photoconcentrator, AF is the area of the photoconductor .theta. max is the, maximum acceptance angle of the inlet optical …
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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 July 20, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 20, 2010.
- 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.