Patent · US Expired

Motor of color wheel

US6769775B2 · kind B2 · utility

2Cited by
4References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 30, 2003
Grant dateAug 3, 2004
Priority date
Expiry dateJan 30, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/36
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A color wheel including a motor body, a housing and a color filter. The housing is set to one side of the central axis of the motor body. The color filter is set on the housing. In this case, at least a groove is formed on one side of the housing adjoining the color filter. In addition, the invention also provides a motor of a color wheel.

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