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James H Burbo, Louis P Hartman, Douglas M Spranger, Malcolm J Brookes, Paul J Mulhauser: Night vision imaging system adapted for helmet mounting. International Telephone and Telegraph Corporation, John T O Halloran, Robert P Seitter, May 22, 1984: US04449787 (124 worldwide citation)

There is disclosed a night vision imaging system for mounting on a helmet. The helmet contains a visor having a slot into which is inserted a helmet mount assembly which can be vertically adjusted within the slot by means of a control mechanism including a rotatable knob. The mount assembly is an ar ...


2
James H Burbo, Louis P Hartman: Training aid for use with night vision apparatus. International Telephone and Telegraph Corporation, John T O Halloran, Peter C Van Der Sluys, May 13, 1980: US04202601 (30 worldwide citation)

A filter arrangement is described which is incorporated with a night vision device. The filter arrangement consists of a variable density polaroid filter array and a blue-green filter all contained in a common housing and directed along a given optical path. The filter arrangement serves to control ...


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