Patent · US Expired

Optical assembly

US4173717A · kind A · utility

6Cited by
3References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 27, 1978
Grant dateNov 6, 1979
Priority date
Expiry dateJan 27, 1998

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG12B9/08
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An optical assembly comprising a spherically shaped optical module. A flexure member cooperates with a portion of a supporting housing to support the module for rotation in two mutually perpendicular planes. The assembly is particularly useful in photoelectric beam systems commonly known as "electric eyes".

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