Fingerprint and Pressure Sensor Display Control
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Solution Overview
Problem
Current electronic devices lack an efficient method to accurately control displays based on user interactions, such as fingerprint detection and pressure, which limits their ability to provide personalized and intuitive user experiences.
Innovation Solution
An electronic apparatus equipped with a fingerprint sensor and a pressure sensor, along with a processor, that detects finger operations and pressure on a detection surface, allowing for real-time control of display settings like zoom, scroll, and screen layout adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple sensors (fingerprint sensor and pressure sensor) are integrated to detect user interactions, then measurement precision and user interaction control are improved, but device complexity increases
Solution Approach 1:
The patent combines a fingerprint sensor and a pressure sensor into a single integrated detection system. The fingerprint sensor detects both fingerprint patterns and pressure information, while the pressure sensor provides additional pressure depth data. This merging of multiple sensing functions into a coordinated system improves measurement precision for user interactions without proportionally increasing device complexity, as the sensors work together as an integrated unit rather than separate components.
2Adaptability or versatility
If display control is based on multiple parameters (operation type and pressure), then adaptability and user experience are improved, but control system complexity increases
Solution Approach 1:
The patent implements dynamic display control that adapts to different user interactions. Based on the detected operation type (scroll, zoom, pan) and pressure level, the system dynamically adjusts display parameters such as scroll speed, zoom level, and interface responsiveness. This dynamic adaptation allows a single control system to handle multiple interaction scenarios efficiently, improving versatility without requiring separate control mechanisms for each interaction type.
Solution Approach 2:
The system changes display control parameters based on detected pressure levels and operation types. When pressure exceeds a threshold, the system interprets this as a zoom gesture and adjusts the display magnification accordingly. For scrolling operations, the pressure level modifies the scroll speed parameter. This parameter-based control approach allows versatile display adaptation while maintaining a unified control system that processes multiple input types through a common decision-making framework.
3Speed
If real-time detection and control are implemented, then responsiveness and user experience are improved, but energy consumption increases
Solution Approach 1:
The patent implements periodic sampling of sensor data rather than continuous monitoring. The fingerprint sensor and pressure sensor detect user interactions at specific intervals, and the processor evaluates these periodic inputs to determine appropriate display control actions. This periodic detection approach maintains real-time responsiveness for user interactions while reducing energy consumption compared to continuous sensing and processing, as the system activates full processing only when interaction events are detected.
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 enhanced user interaction by allowing for dynamic and personalized control of display functions based on user input, improving usability and convenience.
Implementation Method 1
a first sensor which detects a fingerprint of a finger touching a detection object surface
Implementation Method 2
a first sensor which detects a fingerprint of a finger touching a detection object surface
Implementation Method 3
a second sensor which detects a pressure on the detection object surface
Implementation Method 4
a second sensor which detects a pressure on the detection object surface
Data Source
AI summary
An electronic apparatus comprises a display surface, a first sensor, a second sensor, and at least one processor. The first sensor comprises a detection object surface, and detects a fingerprint of a finger touching the detection object surface. The second sensor detects a pressure on the detection object surface. The at least one processor specifies an operation of a finger performed on the detection object surface based on a first detection result in the first sensor. The at least one processor specifies a pressure on the detection object surface based on a second detection result in the second sensor. The at least one processor controls a display of a first screen in the display surface based on the specified operation and pressure.