Patent · US Expired

Visual field expanding system

US5285307A · kind A · utility

2Cited by
2References
7Claims
0Family size

Inventors

Key dates

Filing dateMar 20, 1992
Grant dateFeb 8, 1994
Priority date
Expiry dateMar 20, 2012

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B26/105
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A field expanding system for producing an expanded field image including a translating slit for a first rotating mirror, and a second mirror which undergoes translation and rotation. The second mirror translates in synchronism with the slit and rotates in synchronism with the first mirror.

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