Patent · US Expired

Kinematic optical device

US4197671A · kind A · utility

12Cited by
5References
4Claims
0Family size

Inventor

Key dates

Filing dateSep 2, 1977
Grant dateApr 15, 1980
Priority date
Expiry dateSep 2, 1997

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA63H33/22
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

This invention relates to a kinematic art form and amusement device that produces a wide variety of pleasing visual illusions through the combination of a rotating patterned body and pulsating light source.

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