Three skewed lines provide alignment when viewed along each of three mutually orthogonal axes. Device viewed in either direction along given axis, provides for viewing from any of six directions perpendicular to faces of cube. Location of common or target point can be "empty"; no part of any crosshair has to pass through target point. Simpler and more compact than previous sets of crosshairs, device also more accurate and reliable because same wire defines same plane from two different directions.
Multiple-Axis Crosshairs
NASA Tech Briefs ; 16 , 2
1992-02-01
Miscellaneous
No indication
English
Online Contents | 2015
|WASHINGTON - Cruise lines in Senator's crosshairs
Online Contents | 2013
Regulations & Standards - Pedestrians in crosshairs of upcoming NHTSA rules
Online Contents | 2008
World News & Analysis - Rolls-Royce puts crosshairs on improving helo engine business
Online Contents | 2004
World News & Analysis - USAF space programs in crosshairs during Fiscal 2006 budget talks
Online Contents | 2005