Method and device for fire control of a high apogee trajectory weapon
CA 2195599 C · Owner: Hughes Aircraft Company · Inventors: Dickson, Clarence E.; Anderson, Douglas A.; Mladjan, Gary J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
The present invention relates to an improved method and device for aiming and firing a rifle-mounted grenade launcher without having to approximate the range of a target and then manually adjust the position of subsequently fired grenades. The grenadier initiates the process by pointing the grenade launcher at the target. The range and azimuth of the target are determined by a microprocessor controlled laser range finder/digital compass combination. A ballistic solution is calculated by the microprocessor and the superelevation required to place the grenade on target is displayed on one of several video displays. The grenadier then uses the vertical angle measurement capability of the laser …
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
- Filed January 21, 1997 and granted May 29, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 21, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 21, 2019.
- 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.