ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,681, issued on Dec. 2, was assigned to Wacom Co. Ltd. (Saitama, Japan).
"Haptic pen and haptic control waveform generation method" was invented by Taiga Sakumi (Saitama, Japan), Noboru Yamaguchi (Saitama, Japan) and Shunya Saito (Saitama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "To provide a haptic pen and a haptic control waveform generation method that can suppress an increase in the power consumption necessary for operating a haptic element and that can realize an increase in the continuous operation time. A haptic pen includes a linear resonant actuator (LRA) motor that operates according to a reproduced waveform. The reproduced wavef...