#SEIKO PRECISION KK [JP]

Angle detection apparatus, projector including the same, and angle detection method

When a projection optical axis of a projector does not impinge on a plane of a screen vertically, a trapezoidal distortion occurs in an image on the screen. In order to correct the trapezoidal distort…

DRIVE·Jun 9·2 min read

G01C3/10 SEIKO PRECISION KK [JP]

Angle detecting apparatus and projector equipped therewith automatically correcting the Keystone distortion

In an angle detecting apparatus and projector using range finders, range finding calculations are performed in plural directions using line type passive range finders as a range finding portion. Thus,…

DRIVE·Mar 3·2 min read

G01C3/085 SEIKO PRECISION KK [JP]

Apparatus for detecting the inclination angle of a projection screen and projector comprising the same

ÄProblemÜ To provide a simple-structured angle detecting apparatus and a projector utilizing a line-type passive range-finding device for use on the camera or the like. ÄMeans for ResolutionÜ A contro…

DRIVE·Feb 25·1 min read

G01C3/10 SEIKO PRECISION KK [JP]