ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,731, issued on March 18, was assigned to CK MATERIALS LAB Co. LTD. (Ansan-si, South Korea).
"Haptic device and haptic module" was invented by Jeen Gi Kim (Seoul, South Korea), Hyeong Jun Kim (Seoul, South Korea), Cheol Sung Jeong (Seoul, South Korea) and In Sik Jee (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A haptic device includes: a housing; a magnetic field generation unit disposed in the housing; an elastic support unit connected to the housing; a vibration unit which is connected to the elastic support unit, and which includes an elastic material in which magnetic particles are dispersed in a matrix; and a control unit ...