Patent Document ID: 9786230
Application ID: 13782509
Patent Status: 1

Claim One:
1. A projection device comprising: a mobile projector comprising a Micro-Electrical-Mechanical-System (MEMS) micro-mirror assembly configured to oscillate a projection light along an axis to project an image onto a display surface; a detector operable to detect characteristics of the image and a cooperating image projected onto the display surface by another mobile projection device, the image and the cooperating image to cooperate to on the display surface to form a composite image; and a controller operable to: adjust the projector to project one of either an overexposed image, an underexposed image, or a correctly exposed image, the adjustment based on the detected characteristics of the image; and send a control signal to the other mobile projection device, the control signal to include an indication to adjust the other mobile projection device to project one of an overexposed image, an underexposed image, or a correctly exposed image, the exposure of the cooperating image projected by the other mobile projection device to be different than the exposure of the image projected by the mobile projector, the adjustments based on the detected characteristics of the cooperating image, the image and the cooperating image cooperate on the display surface to define a single image.