公开(公告)号：US10972003B2

公开(公告)日：2021-04-06

申请号：US16454272

申请日：2019-06-27

Applicant: SITRONIX TECHNOLOGY CORP.

Inventor： Sheng-Ying Lin

IPC: G05F3/02 ,  H02M3/07 ,  H02M1/44

Abstract: The charge pump is provided, which comprises a power supply circuit and a frequency control circuit. The power supply circuit comprises at least one electric energy storage element, and charges the at least one electric energy storage element for producing a supply voltage. The frequency control circuit is coupled to the at least one electric energy storage element, and outputs an operating signal to the power supply circuit. The frequency control circuit adjusts, an operating frequency of the operating signal in according to the electricity stored in the at least one electric energy storage element for controlling charging of the at least one electric energy storage element to increase the electricity of the at least one electric energy storage element.

公开(公告)号：US11650707B2

公开(公告)日：2023-05-16

申请号：US17804021

申请日：2022-05-25

Applicant: SITRONIX TECHNOLOGY CORP.

Inventor： Chun-Liang Chen ,  Sheng-Ying Lin

IPC: G06F3/044 ,  G06F3/041

CPC classification number: G06F3/0446 ,  G06F3/04164

Abstract: The present application discloses a capacitive sensing device and a sensing method thereof. A plurality of driving signals corresponding to a plurality of driving codes are outputted to a plurality of driving electrodes, thereby, a plurality of sensing signal are generated on a plurality of sensing electrodes corresponding to the driving electrodes, where the sensing signals are decoded to sensing data by an operation circuit. Hereby, the calculation function of the operation circuit according to the present application may be simplified.