Patent · US Expired

Illuminated cursor magnifying glass

US5132849A · kind A · utility

8Cited by
9References
19Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 9, 1990
Grant dateJul 21, 1992
Priority date
Expiry dateMay 9, 2010

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01B9/00
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A cursor magnifying glass arrangement has a support body for holding a magnifying glass body having a cylindrical portion and a lens section. The cylindrical portion is rotationally symmetrical with respect to the cylindrical axis and is convexly curved. An evaluation coil is disposed coaxially to the cylindrical portion. The lens body is removably, preferably interconnectedly, supported in the support body, and the evaluation coil is fixed on the support body radially outside of the path of the edge light beam of the lens section.

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