Wireless Handheld Touchscreen Input via Click Frequency and Intensity
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Solution Overview
Problem
In dark environments or emergency situations, users face difficulties in performing effective touch inputs on wireless handheld devices with locked touchscreens, as precise touch inputs are required on virtual keyboards or buttons.
Innovation Solution
A method that detects and matches input combinations of click frequency and intensity when the touchscreen is locked, executing pre-stored operations corresponding to these inputs, eliminating the need for precise touch inputs on virtual keyboards or buttons.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a touchscreen is used as an input device, then the device occupies small space and is convenient to use, but in dark environments or emergencies, effective touch input cannot be performed when the touchscreen is locked
Solution Approach 1:
The patent changes the parameters of touch input by detecting click frequency and click intensity instead of relying solely on precise touch position. This allows users to input commands through rhythmic patterns (frequency) and pressure variations (intensity), which can be performed effectively even in dark environments without visual feedback.
Solution Approach 2:
The system pre-stores multiple input combinations corresponding to different operations before the touch input is needed. When a touch sequence matches one of the pre-stored combinations, the corresponding operation is automatically executed. This preliminary preparation enables reliable operation in emergencies without requiring visual confirmation or precise positioning.
2Measurement precision
If precise touch input on virtual keyboard or menu button is required, then accurate operation can be achieved, but in dark environment or emergency, user cannot perform effective touch input on locked touchscreen
Solution Approach 1:
The patent shifts from position-based precision input to parameter-based input by detecting click frequency and click intensity. Instead of requiring precise positioning on virtual keys, the system recognizes patterns in the temporal and force characteristics of touches, making input feasible in dark environments while maintaining operational accuracy through pattern matching.
Solution Approach 2:
The patent replaces the mechanical precision requirement of touching specific visual locations with a sensor-based detection system that measures click frequency and intensity. This substitution allows the system to achieve accurate operation recognition without requiring the user to visually locate and precisely touch specific points on the screen.
3Adaptability or versatility
If virtual keyboard or menu button is used for input, then comprehensive operation control is available, but precise touch input is difficult in dark environment or emergency situation
Solution Approach 1:
The patent creates a universal input mechanism that works across different operating conditions (normal and dark environment). By detecting click frequency and intensity patterns, the system provides a multi-functional input method that can perform various operations without requiring visual feedback or precise positioning, making it adaptable to both regular use and emergency situations.
Solution Approach 2:
The system uses parameter changes in touch characteristics (frequency and intensity) to achieve versatile operation control. Different sequences and patterns of clicks with varying frequencies and intensities correspond to different operations, providing comprehensive control capability while eliminating the need for precise visual positioning that would be difficult in dark environments.
Data Source
AI summary
A triggering method and a wireless handheld device, the touchscreen triggering method including detecting an input combination that is of a click frequency and/or click intensity and is received when a touchscreen is in a locked state and when it is detected that the input combination that is of the click frequency and/or the click intensity and is received when the touchscreen is in the locked state matches a pre-stored input combination of a click frequency and/or click intensity, wherein the pre-stored input combination of the click frequency and/or the click intensity is corresponding to an operation, executing the operation corresponding to the matched pre-stored input combination of the click frequency and/or the click intensity.