3D sensors are not a specific brand but a category of advanced sensing technology used across various industries. These sensors are developed by multiple companies worldwide, including leading firms like Keyence (Japan), Cognex (USA), and Sick AG (Germany). They serve industries such as automotive, manufacturing, robotics, and healthcare, enabling applications like quality control, object recognition, and spatial mapping. Key products include laser triangulation sensors, time-of-flight (ToF) sensors, and structured light sensors, which provide high-precision 3D data capture for automation and inspection processes.