1
James H Lougheed, Lam K Chau: Optical scanning and recording apparatus for fingerprints. Oscan Electro Optics, Dressler Goldsmith Shore Sutker & Milnamow, August 3, 1993: US05233404 (94 worldwide citation)

In an optical fingerprinting system a truncated prism is used. The prism has an imaging surface against which a finger is applied, an illumination surface substantially parallel to the imaging surface and an inclined viewing surface between the imaging and illumination surfaces. Opposite the include ...


2
James H Lougheed, Mark Wardell, Daniel R Sheney: Weapon aiming system. Computing Devices Canada, Thomas Adams, October 10, 1995: US05456157 (61 worldwide citation)

A machine gun unit comprises a machine gun mounted to a support by a mounting permitting pivoting movement of the machine gun relative to the support in azimuth and/or elevation. Angle encoders provide position signals representing angular displacement of the machine gun relative to the support. An ...


3
James H Lougheed, Mark Wardell: Detecting target movement. Computing Devices Canada, Thomas Adams, March 16, 1993: US05194908 (47 worldwide citation)

In apparatus, such as a weapon sight, the speed of an object moving relative to a scene is determined by processing a plurality of successive frames of data, each obtained by scanning the scene, and detecting motion of the object relative to the background/foreground features of the scene. Each fram ...


4
James H Lougheed, Lorne C Hinz: Plow guidance system. Northern Telecom, Stuart L Wilkinson, February 10, 1981: US04249630 (10 worldwide citation)

A guidance system suitable for use in burying cable uses a previously buried signal-emitting cable to produce a signal along the cable path. A vehicle mounted plow used to plow a second path has a receiver which analyzes signal from the buried cable and determines from it both the lateral direction ...


5