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Systems, methods and devices for touch event and hover event detection

A touch event and event detection technology, applied in the input/output process of data processing, instruments, calculations, etc., can solve the problem of not being able to accurately distinguish different user inputs.

Active Publication Date: 2020-09-11
CYPRESS SEMICON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, many capacitive sensors are still limited because they cannot accurately distinguish between different user inputs

Method used

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  • Systems, methods and devices for touch event and hover event detection
  • Systems, methods and devices for touch event and hover event detection
  • Systems, methods and devices for touch event and hover event detection

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Embodiment Construction

[0023] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the concepts presented. The concepts presented may be practiced without some or all of these specific details. In other instances, well known process operations have not been described in detail so as not to unnecessarily obscure the described concepts. While some concepts will be described in conjunction with specific examples, it should be understood that these embodiments are not intended to be limiting.

[0024] Touch screens and buttons that use capacitive sensors to detect user input can experience high error rates when trying to distinguish between different types of input. As disclosed herein, an input may include a touch event generated when a conductive entity (which may or may not be covered by an insulator) touches a surface implementing a capacitive sensor. For example, a touch event may be a user input such as: a finger touch event, where...

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Abstract

Disclosed herein are systems, methods, and devices for touch event and hover event detection. The devices disclosed herein may include a first electrode implemented in a capacitive sensor. The device may further include a second electrode implemented in the capacitive sensor. The apparatus may further include a controller coupled to the first electrode and the second electrode, wherein the controller is configured to, based on a first self-capacitance measurement of the first electrode, the second electrode A second self-capacitance measurement and a mutual capacitance measurement of the first electrode and the second electrode are used to determine whether a touch event or a hover event has occurred.

Description

[0001] Cross References to Related Applications [0002] This application is an International Application of U.S. Application No. 14 / 714,118, filed May 15, 2015, which is required under Section 119(e) of 35 U.S.C. U.S. Provisional Patent Application filed March 13, 2015 No. 62 / 132,705 and the priority benefit of U.S. Provisional Patent Application No. 62 / 086,091 filed December 1, 2014, the entire contents of which are hereby incorporated by reference in their entirety for all purposes. technical field [0003] The present disclosure relates generally to capacitive sensors, and more particularly, to hover and touch detection based on capacitive sensors. Background technique [0004] Devices and systems such as mobile communication devices may include various input devices such as touch screens and buttons. Touch screens and buttons may utilize one or more sensing modes to receive input from an entity such as a user of a mobile communication device. An example of such a mode...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/045
CPCG06F3/011G06F3/0418G06F2203/04108G06F3/03545G06F3/014G09G2300/0426G06F3/04164G06F3/0441G06F3/04166G06F3/04162G06F3/0442G06F3/0443G06F3/0393
Inventor V.巴拉坦J.穆P.G.瓦瓦鲁特索斯
Owner CYPRESS SEMICON CORP