Samsung Electronics Co., Ltd.

Yudong Bae

Kwonho Song

Jeongseok Lee

Jaeyoung Huh

Yanghee Lee

Donggyu Kim

Ilyoung Kim

Minku Lee

Junho Noh

Youngbin Chong

Namjin Choi

Woonki Dae

Soonkoo Shim

Taesik Kim

An actuator according to various embodiments of the present invention comprises: a stator including a bracket, a yoke located on the bracket, and a coil for encompassing the circumference of the yoke; a permanent magnet encompassing the circumference of the coil; a vibrator including a weight encompassing the circumference of the permanent magnet, and a plate for supporting the permanent magnet and the weight; an elastic member located between the bracket and the vibrator so as to support the vibrator; and a magnetic fluid which is located between the vibrator and the stator, and which provides damping stability when the vibrator vibrates, wherein the weight of the magnetic fluid can be between 0.24% to 0.71% on the basis of the weight of the vibrator. Other various embodiments are possible.

Haptic actuator and electronic device including same

Various embodiments of the present invention relate to a method for controlling an actuator. The present invention can detect a haptic generation event through a sensor unit, check data of an actuator and data of a human receptor stored in a memory in response to the haptic generation event, calculate a driving voltage of the actuator on the basis of the checked data of the actuator and the checked data of the human receptor, and drive the actuator with the calculated driving voltage. Other embodiments are also possible.

Electronic device and method for controlling actuator by utilizing same

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Suwon-si, South Korea

Yudong Bae