Invention Grant
- Patent Title: Capacitive coupling device, capacitive coupling system and method for operating a capacitive coupling device
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Application No.: US17333244Application Date: 2021-05-28
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Publication No.: US11705757B2Publication Date: 2023-07-18
- Inventor: Thomas Leutgeb , Josef Haid
- Applicant: Infineon Technologies AG
- Applicant Address: DE Neubiberg
- Assignee: Infineon Technologies AG
- Current Assignee: Infineon Technologies AG
- Current Assignee Address: DE Neubiberg
- Agency: Banner & Witcoff Ltd.
- Priority: DE 2020114501.2 2020.05.29
- Main IPC: H02J50/05
- IPC: H02J50/05 ; H02J50/80 ; H02J50/40

Abstract:
A capacitive coupling device for capacitive coupling to a capacitive coupling means which is arrangeable on the capacitive coupling device. The capacitive coupling device can have a first coupling surface, which has at least three coupling surface segments which are arranged separated from one another, a voltage supply configured to provide a first supply voltage and a second supply voltage which is different therefrom, and a control circuit, which is arranged to connect each of the coupling surface segments selectively to the first supply voltage or to the second supply voltage in an electrically conductive manner or to disconnect it from the control circuit in such a way that the coupling surface segments connected to the first supply voltage form, with a first coupling surface area of the capacitive coupling means, a first capacitor, and the coupling surface segments connected to the second supply voltage form, with a second coupling surface area of the capacitive coupling means, a second capacitor.
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