Anti-aircraft sight
CA 1291870 C · Owner: Saab Instruments Aktiebolag · Inventors: Nilsson, Hans-Arne
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordNo Claude kit for weapons
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Abstract From the Canadian patent
A sight for an anti-aircraft gun which is manually aimed, comprises a ranging unit a gun-fixed aiming unit and a, calculating unit preferably a computer. The ranging unit comprises means for optical aiming at the target and devices, for determination of the range the angular rate in elevation, and azimuth and elevation. The devices emit measured value signals to the means for optical aiming at the target which, means is settable in elevation and azimuth in relationship to the firing direction of the anti-aircraft gun. The calculating unit controls, guided by said received signals and information given about the velocity of the fired projectile and the prevailing wind vector the second …
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.
Why it's free to use
- Granted November 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 12, 2008.
- 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.