ALEXANDRIA, Va., April 7 -- United States Patent no. 12,597,571, issued on April 7, was assigned to CASIO COMPUTER Co. LTD. (Tokyo).

"Button apparatus and electronic equipment" was invented by Otoya Sakai (Machida, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A button apparatus includes a push member on which a push operation can be performed, an elastic member of a substantially hollowed shape provided on a push direction side of the push member and configured to be elastically deformed on a side thereof which faces the push member in response to the push operation performed on the push member, a detector configured to detect the push operation performed on the push member, and a moving member suppo...