[C-3-11] Study of Langevin type transducer amplitude modulation for haptic application 〇Yuto Yoshihara1, Daisuke Yamaguchi1, Yuji Ishino1, Masaya Takasaki1, Takeshi Mizuno1 (1.Saitama University) Keywords:Actuator、Haptics、Langevin type Transducer、Vibration amplitude、Tactile display