System configurations and methods for controlling image projection apparatuses

摘要

The mirror device comprising a plurality of deflectable mirrors for reflecting light, wherein the mirror is controllable to deflect to a first direction during an incident period with the light incident to the deflectable mirror and at an end of the incident period the mirror is controllable to deflect to a second direction opposite to the first direction during a non-incidence period in which the light is not incident to the present mirror.