TDK InvenSense is a company that develops a microelectromechanical systems (MEMS) sensor platform. Its products include SmartSonic, ultrasonic time-of-flight (ToF) sensors for distance measurement and presence detection; SmartSound, analog and digital MEMS microphones that offers pulse density modulated (PDM) digital outputs; SmartRobotics, a robotics platform combining sensors, processors, and actuators for prototyping and development; etc. The company caters to the industrial, automotive, and robotics sectors.