Electric sensors; [ electro-optical sensors; ] acceleration sensors; [ light sensors; infrared detectors; ] motion sensors; [ optical sensors; pyroelectric infrared sensors; ] radar sensors; [ photoelectric sensors; ] position sensors; ultrasonic sensors; vibration sensors; pressure sensors; proximity sensors; humidity sensors; [ flowmeters; ] gas sensors; gyroscopes; piezoelectric sensors; magnetic sensors; dust measuring apparatus; microphones; [ computer peripheral devices; ] sensors for d...