A "dot projector" is a device that projects tiny dots of light to create an image or pattern. It is often used in technologies like 3D scanning, facial recognition, or projection mapping. Full definition
Face ID uses Apple's TrueDepth system, which includes things like an infrared dot projector and a 3D - sensing infrared camera. (bgr.com)
Yield rates on the all - important dot projector — a crucial part of Apple's TrueDepth camera system — are improving, while constraints around LTE antenna modules are also easing. (businessinsider.com)
I still believe investors should be expecting an earnings miss for the September quarter, since the timeline suggests that Apple's rosy guidance was issued before it knew of delays for the TrueDepth camera's dot projector production. (fool.com)