Invention Grant
- Patent Title: Resistive force sensor with capacitive discrimination
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Application No.: US11826645Application Date: 2007-07-17
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Publication No.: US09654104B2Publication Date: 2017-05-16
- Inventor: Fletcher R. Rothkopf , Stephen P. Zadesky
- Applicant: Fletcher R. Rothkopf , Stephen P. Zadesky
- Applicant Address: US CA Cupertino
- Assignee: Apple Inc.
- Current Assignee: Apple Inc.
- Current Assignee Address: US CA Cupertino
- Agency: Morrison & Foerster LLP
- Main IPC: G06F3/044
- IPC: G06F3/044 ; H03K17/96 ; H03K17/955

Abstract:
A resistive force sensor with capacitive discrimination is disclosed. According to an example of the disclosure, a sensor is directed to detect resistance and capacitance in an alternating fashion, the resistance indicating a force being applied to an input area of a device, and the capacitance indicating a proximity of a body part to the input area of the device, and the detected resistance and capacitance are utilized to determine whether the body part has pressed the input area of the device.
Public/Granted literature
- US20090019949A1 Resistive force sensor with capacitive discrimination Public/Granted day:2009-01-22
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