US Patent Issued to Research & Business Foundation Sungkyunkwan University on Oct. 27 for "Frequency-selective signal damper containing gelatin and chitosan hydrogel, and a device measuring signal using the same" (South Korean Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,918, issued on Oct. 27, was assigned to Research & Business Foundation Sungkyunkwan University (Suwon-si, South Korea).

"Frequency-selective signal damper containing gelatin and chitosan hydrogel, and a device measuring signal using the same" was invented by Tae Il Kim (Suwon-si, South Korea), Byeong Hak Park (Suwon-si, South Korea) and Su Bin Park (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a frequency-selective signal damper including: a viscous polymer exhibiting non-Newtonian fluid behavior; and hydrogel exhibiting sol-gel phase transition. The viscous polymer exhibits shear thinning in a damping region or ...