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Pat. 11036313 United States, Int. Cl.22 G06F 3/0354, G06F 1/3296, G06F 3/038, H02J 7/00, H02M 3/07. Stylus, circuit system, control circuit and method thereof for power saving : Appl. N 16/369374 : Filed 29.03.2019 : Pub. 15.06.2021 : / Chin-Fu Chang ; Assignee Egalax Empia Technology Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11036313/en?oq=US11036313.html (дата обращения: ДД.ММ.ГГГГ).