专利名称：DISPLAY INSTRUMENT USING OPTICAL
COLLIMATION
发明人：PICARDAT; BERNARD申请号：US36315673申请日：19730523公开号：US3864025A公开日：19750204
摘要：A display instrument using optical collimation for projecting data into the line ofsight of an observer, comprising an optical lens which projects images of luminous objectsfocused at infinity onto a transparent combining glass. The luminous objectscorresponding to data be displayed are positioned in the focal zone of the lens. Theimages are reflected by the glass into the observer's line of sight. A reflectivelydeflective prism placed in the optical path between the optical zone and the luminousobjects, enables the use of an optical lens of greater diameter whereby the operationalcharacteristics of the equipment are improved.
申请人：THOMSON-CSF
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