초록 ▼

A rangefinder for scopes and binoculars in which a transparent display has a scale or other height-determining member to determine the height of the object viewed through the display and compare with a known object height selectively displayed on the same display, the actual height and known height

A rangefinder for scopes and binoculars in which a transparent display has a scale or other height-determining member to determine the height of the object viewed through the display and compare with a known object height selectively displayed on the same display, the actual height and known height being recorded and processed through a programmable logic circuit which calculates the range or distance of the object from the display based on actual height and known height. The programmable control circuit may also include a list of known object heights which can be selected and displayed on the display.

대표청구항 ▼

A rangefinder apparatus comprising: a scope including a transparent display disposed at a plane of focus between an occular and objective lens, said display having a reticle scale thereon provided with a series of numerical units in displayed vertically ascending order, said units being calibrated i

A rangefinder apparatus comprising: a scope including a transparent display disposed at a plane of focus between an occular and objective lens, said display having a reticle scale thereon provided with a series of numerical units in displayed vertically ascending order, said units being calibrated in relation to distance of a target from said display, said first recording means including a display counter on said display for displaying a selected said one of said units appearing on said reticle scale, and means for incrementing said display counter until the selected said one of said units is displayed which corresponds to said unit most closely aligned with an upper edge of the target object; first recording means for recording one of said units on said scale corresponding to the height of a target object viewed through said display; second recording means for recording a known height of said target object viewed in said display; programmable control means for calculating the distance of said target object from said display based on said recorded one of said units and said recorded known height; and means for displaying said range calculated by said control means.