Patent · US Active

Projector and method for controlling projector

US8287130B2 · kind B2 · utility

1Cited by
10References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 29, 2009
Grant dateOct 16, 2012
Priority date
Expiry dateFeb 27, 2031

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03B21/005
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A projector, that projects an image on a projection surface in accordance with an image signal, includes: an optical system that includes a light source and projects projection light representing the image; an optical sensor that receives the light from the projection surface; and an adjuster that carries out a first adjustment process of adjusting the brightness of the projection light in accordance with the output from the optical sensor before the light source illuminates.

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