Patent · US Expired

Binocular kaleidoscope

US5020870A · kind A · utility

8Cited by
3References
18Claims
0Family size

Inventor

Key dates

Filing dateOct 6, 1988
Grant dateJun 4, 1991
Priority date
Expiry dateOct 6, 2008

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B27/08
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A binocular kaleidoscope for producing multiple images is disclosed. The kaleidoscope provides a viewing channel having converging interior reflective surfaces with angled apertures converging toward the line of convergence of the reflective surfaces. Rotatable disks are mounted substantially normal to the angled apertures between the reflective surfaces and reflective sidewalls for completing the viewing channel. A housing and stand for the binocular kaleidoscope is disclosed as are methods for producing images by using the invention.

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