Patent · US Expired

Dual-path optical system

US5469293A · kind A · utility

6Cited by
11References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 9, 1993
Grant dateNov 21, 1995
Priority date
Expiry dateSep 9, 2013

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B23/02
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Pseudoscopic, dual-path optical systems employing plane mirror arrangements for cross coupling the optical paths to reverse the left and right perspectives of object space are provided. Advantageously, the cross coupled path arrangements permit the systems to be manufactured inexpensively because low-cost reflective components can be used and assembled with alignment requirements that are significantly relaxed compared with customary requirements found in uncoupled systems utilizing high-cost prisms or mirror arrangements for similar purposes.

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