Patent 11355293 was granted and assigned to Fujitsu on June, 2022 by the United States Patent and Trademark Office.
A reaction force generating member includes: a first dome that gives a reaction force to an operation member according to the depression of the operation member; and a second dome that includes a hemispherical bowl part disposed inside the first dome, and a projection projecting downward from the center of the bowl part and depressing a switch disposed below the operation member.