Touch Input Device with Pressure Detection for Icon State Control

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Solution Overview

Problem

Touch input devices lack the ability to detect touch pressure magnitude and effectively display user interactions on a touch screen, making it difficult to operate icons efficiently.

Innovation Solution

A touch input device with a processor that receives touch information and controls icon state changes based on touch position and pressure, using a capacitive touch sensor panel and pressure sensors to detect touch pressure and display it on the screen.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a touch screen is used to operate a computing system, then ease of operation is improved, but the ability to detect touch pressure magnitude is lost

Engineering Contradiction:
Improveease of operationVSAvoidtouch pressure detection
Core Design Contradiction:
Ease of operationVSMeasurement precision

Solution Approach 1:

The patent combines a touch sensor panel with pressure sensors into an integrated input device. The touch sensor panel detects touch position while pressure sensors detect touch pressure magnitude, and both functions are merged into a single device that provides comprehensive touch information to the computing system.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The input device performs multiple functions: it detects touch position via the touch sensor panel and simultaneously detects touch pressure magnitude via pressure sensors. This multi-functional device replaces traditional separate touch screen and pressure sensing systems, providing both positional and pressure information through a single interface.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If touch operations are performed on a touch screen, then user interaction capability is improved, but visual feedback of touch interactions is insufficient

Engineering Contradiction:
Improveuser interaction capabilityVSAvoidvisual feedback
Core Design Contradiction:
Adaptability or versatilityVSLoss of information

Solution Approach 1:

The patent implements visual feedback by displaying icons at the detected touch position on the touch screen. When a touch is detected, the system provides immediate visual confirmation by showing relevant icons or interface elements at the location where the user touched, enhancing the user's awareness of their interaction.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The display module changes the visual state by displaying icons with different states (selected, unselected, activated, deactivated) that can be visually distinguished. This may involve color changes or other visual modifications to indicate the state of icons based on touch pressure and position detection.

Inventive Principle:
Principle #32Color changes

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enables detection of touch position and pressure magnitude, improving visibility and ease of operation by visually displaying touch interactions, allowing for more intuitive icon manipulation.

Implementation Method 1

a capacitive touch sensor panel which may be a transparent panel including a touch-sensitive surface

Methodology Applied
Scientific EffectCapacitive sensing: Capacitance

Data Source

PatentUS11449215B2Touch input device having resizeable icons, and methods of using same
Publication Date: 2022.09.20 HIDEEP INC
  • US11449215B2 patent drawing
  • US11449215B2 patent drawing
  • US11449215B2 patent drawing

AI summary

A touch input device may be provided that includes: a touch screen including at least one region; and a processor which receives first touch information on a first region included in the at least one region and determines whether to change state information of an icon included in the first region, and controls, based on the determination, such that at least one of the state information of the icon included in the first region and state information of an icon included in a second region which is included in the touch screen and is different from the first region is changed.