Patent ID: 8801194

Claim:
A projector for projecting image light, comprising: a laser light source configured to emit a laser beam; a light modulator which modulates the laser beam to generate the image light; a projection portion configured to project the image light; a detector configured to detect a fixation degree of the projector; and a controller configured to control a power of the image light based on the fixation degree, wherein the detector includes a placement switch which is operated if the projector is placed on a supporting surface configured to support the projector, the placement switch becomes a first mode if the projector is placed on the supporting surface, or a second mode if the projector is separated from the supporting surface, the controller sets the power of the image light to a first power for displaying an image if the placement switch is in the first mode, and the controller sets the power of the image light to a second power which is lower than the first power if the placement switch is in the second mode.