1
Lasse Karlsen: Method and a device for determining wind velocity or velocity of a fluid and use thereof. Limbach & Limbach L, November 9, 1999: US05979234 (17 worldwide citation)

A method and apparatus for determining the velocity of wind (or another fluid) in which one or more receiving acoustic detectors at (e.g. a location (A(r,t))) on the ground are arranged to measure the phase direction of arriving waves from one or more sound sources (at locations S(r,t)), all of whic ...


2
Lasse Karlsen: Acoustic projectile trajectory evaluation device. Techsonic Aerosystems, Limbach & Limbach, November 2, 1993: US05258962 (11 worldwide citation)

This invention is concerned with an indicator apparatus for determination of the trajectory or the trajectory direction of a projectile travelling at supersonic speed. It comprises pressure sensitive transducers (T.sub.1 -T.sub.4), which have fixed positions relative to each other or move relative t ...


3
Dan Borgstrom, Lasse Karlsen, Lars Paulsson: Sub-combat unit. Bofors, Pollock Vande Sande & Priddy, February 1, 1994: US05282422 (4 worldwide citation)

A sub-combat unit to be separated from a flying body, comprises a warhead, a target detector and two diametrically disposed carrier surfaces designed and arranged to impart to the sub-combat unit a rotation for scanning of the target area in a helical pattern during the fall of the sub-combat unit d ...


4
Dan Borgstrom, Lasse Karlsen, Lars Paulsson: Sub-combat unit. Bofors, Pollock Vande Sande & Priddy, January 25, 1994: US05280752 (4 worldwide citation)

The invention relates to a sub-combat unit which is disposed to be separated from a flying body, for example a carrier shell or the like, over a target area, the sub-combat unit comprising a warhead (4), a target detector (5) and two diametrically located carrier surfaces (1, 2) which impart to the ...



Click the thumbnails below to visualize the patent trend.