Mobile Motion Gesture Input for Mode-Specific Function Control
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Solution Overview
Problem
Mobile devices face challenges in managing data and applications due to their small size and limited input devices, making it difficult to select and manipulate images or perform functions using traditional keypads, especially with the need for more intuitive and efficient user input methods.
Innovation Solution
A method and device that utilize motion sensors to detect predefined localized movements of the device housing, associating these movements with specific functions and allowing for user-defined patterns and delay times, enabling functions to be performed in different modes of operation, such as standby, communication, or application execution modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If motion sensors are added to enable gesture-based input, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The motion sensor serves multiple functions: detecting gestures for input, identifying device orientation, and triggering different operations based on movement patterns. This multi-functionality justifies the added complexity by providing versatile interaction capabilities without requiring separate input devices for each function.
Solution Approach 2:
The patent replaces mechanical keypad input with motion-based detection. Instead of requiring physical button presses or keyboard typing, the system uses accelerometer data to recognize gestures such as tilting, shaking, and waving, thereby eliminating the need for extensive mechanical input hardware.
2Productivity
If multiple input devices are provided to manage data and applications, then productivity is improved, but device complexity increases
Solution Approach 1:
The motion sensor system provides multiple input capabilities through a single sensor type by detecting different movement patterns (tilting, shaking, waving, snapping). This allows the device to offer diverse interaction methods without adding multiple separate input devices, thereby improving productivity while controlling complexity.
Solution Approach 2:
The system dynamically adapts its response based on the detected motion type and device state. Different gestures trigger different operations, and the same gesture can have different meanings in different contexts (e.g., different functions in different modes of operation), providing flexible and adaptive input capabilities.
3Ease of operation
If gesture-based input is implemented, then ease of operation is improved, but reliability decreases due to potential misinterpretation of movements
Solution Approach 1:
The system incorporates feedback mechanisms to verify and confirm detected gestures before executing operations. By monitoring motion patterns, device orientation, and contextual state, the system can distinguish between intentional gestures and accidental movements, thereby improving reliability while maintaining ease of operation.
Solution Approach 2:
The system uses multiple parameters from the motion sensor (acceleration magnitude, direction, duration, frequency) to analyze and validate detected movements. By changing the threshold and parameter combinations based on context, the system can reliably differentiate between valid gestures and spurious signals, addressing reliability concerns.
4Adaptability or versatility
If predefined localized movements are associated with multiple functions in different modes, then adaptability is improved, but device complexity increases
Solution Approach 1:
A single motion gesture can be associated with different functions depending on the device mode or application context. The motion sensor detects the same physical movement (e.g., tilting) but the system interprets it differently based on the current state, providing versatile adaptability without requiring multiple separate input mechanisms.
Solution Approach 2:
The system dynamically assigns functions to gestures based on the current operational mode. The same gesture can trigger different operations in different contexts (e.g., navigation in one mode, media control in another), allowing the device to adapt to various usage scenarios while maintaining a unified input system.
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 intuitive and efficient user input by allowing functions to be performed through predefined motions, reducing accidental activations and enhancing usability by associating specific device actions with localized movements and customizable delay times, thereby improving data management and application interaction on mobile devices.
Implementation Method 1
detecting a predefined localized movement of a housing of the mobile device using a sensor associated with the mobile device
Data Source
AI summary
A mobile device having first and second modes of operation is operated responsive to detection of a predefined localized movement of a housing of the mobile device using a sensor associated therewith. The detected predefined localized movement is associated with first and second functions of the mobile device responsive to a user input assigning the detected predefined localized movement thereto. A first device function is performed responsive to detection of the predefined localized movement in the first mode of operation, and a second device function is performed responsive to detection of the predefined localized movement in the second mode of operation. A predetermined delay time may also be associated with the predefined localized movement, and the first and/or second functions may be performed at the predetermined delay time after detecting the predefined localized movement.