Patent · US Expired

Methods and systems for three-dimensional measurement

US4199253A · kind A · utility

29Cited by
14References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 19, 1978
Grant dateApr 22, 1980
Priority date
Expiry dateApr 19, 1998

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01C11/00
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

In a method for defining the spatial location of points comprising an object surface, pulsed radiant energy is projected onto the object surface and collections of object-reflected radiant energy are conducted separately in accordance with respective different time patterns which are mutually overlapping in time.

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