公开(公告)号：US3575512A

公开(公告)日：1971-04-20

申请号：US3575512D

申请日：1969-10-15

Applicant: SOPELEM

Inventor： BABOZ JEAN

IPC: G01C1/02 ,  H01Q1/18 ,  H01Q3/08 ,  G01B11/27

CPC classification number: H01Q1/18 ,  G01C1/02 ,  H01Q3/08

Abstract: TWO PRESENT INVENTION IS CONCERNED WITH APPARATUS FOR DETERMINING THE ORIENTATION OF AN OBJECT RELATIVE TO A SYSTEM OF REFERENCE AXES, SAID SYSTEM COMPRISING TOW PLANE REFLECTING SURFACES WHICH ARE DISPOSED AT 90* TO EACH OTHER, ARE FIXED RELATIVE TO THE OBJECT AND ARE ARRANGED TO RECEIVE AN IMAGE FROM A FURTHER PLANE REFLECTING SURFACE WHICH IS PIVOTALLY MOUNTED ON A THEODOLITE, A COLLIMATOR WHOSE OPTICAL AXIS IS DIRECTED TOWARDS SAID FURTHER REFLECTING SURFACE, A TELESCOPE WHOSE OPTICAL AXIS IS PARALLEL TO THAT OF THE COLLIMATOR AND WHICH WILL RECEIVE THE IMAGE OF THE COLLIMATOR RETICULE AFTER REFLECTION AT THE THREE SAID REFLECTING SURFACES WHEN SAID FURTHER REFLECTING SURFACE IS IN A PLANE PERPENDICULAR TO THE LINE OF INTERSECTION OF THE PLANES CONTAINING SAID TWO REFLECTING SURFACES, AND MEANS FOR DETERMINING THE POSITION OF SAID FURTHER REFLECTING SURFACE ON THE THEODOLITE.