#B60N2/0028

DEVICE FOR MEASURING THE DISTANCE BETWEEN A HEAD AND A HEADREST, HEADREST POSITION-ADJUSTMENT DEVICE USING SAID DEVICE, METHOD FOR MEASURING THE DISTANCE BETWEEN A HEAD AND A HEADREST, AND HEADREST POSITION-ADJUSTMENT METHOD USING SAID METHOD

Disclosed is a headrest position adjusting device accurately measures the distance between a head and a headrest without being affected by external noise, prevents unnecessary movements of the headres…