Patent · US Active

Method of forming a grid defining a first relative reference frame

US9170435B2 · kind B2 · utility

4Cited by

4References

19Claims

0Family size

Assignee

GE Aviation Systems Limited · GB

Inventors

James Gerard Lopez · East Schodack, US
Jerry L. Page · Marlboro, US

Key dates

Filing date	Mar 12, 2013
Grant date	Oct 27, 2015
Priority date	—
Expiry date	Dec 17, 2033

Classification

Technology area (CPC G)Physics
CPC primaryG02B26/02
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A method of projecting into space, from a first object, a plurality of modulated lines to form a grid defining a first relative reference frame, the method includes projecting polarized light having a first orientation to form a horizontal grid line projecting from the first object and projecting polarized light having a second orientation different than the first orientation to from a vertical grid line projecting from the first object and modulating the horizontal grid line and the vertical grid line to carry first and second grid words, respectively.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.