Mobile Device Motion and Proximity Sensing for Intuitive Control
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Solution Overview
Problem
Conventional mobile devices with touch-sensitive input mechanisms can be cumbersome for users with larger hands or the elderly, requiring repetitive and non-intuitive command entries.
Innovation Solution
A mobile device equipped with an accelerometer and infrared proximity sensor that associates commands with movements and hand proximity, allowing users to execute functions like page turning or data transfer through slight device movements and hand gestures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional touch-sensitive input mechanisms (buttons, keypads, joysticks) are used, then device functionality can be achieved, but ease of operation deteriorates for users with larger hands or the elderly
Solution Approach 1:
The patent replaces mechanical input mechanisms (buttons, keypads, joysticks) with motion sensing technology. The accelerometer detects device movements in three-dimensional space, and the infrared proximity sensor detects hand gestures, substituting physical mechanical interfaces with sensor-based detection systems. This resolves the contradiction by providing intuitive motion-based control that is easier to operate while maintaining device functionality.
Solution Approach 2:
The patent introduces motion sensors (accelerometer and infrared proximity sensor) as intermediaries between the user and the device functions. Instead of direct mechanical contact with buttons, the user's natural movements are captured by these intermediary sensors, which then translate them into device commands. This intermediary layer improves ease of operation while preserving the ability to execute complex device functions.
2Adaptability or versatility
If multiple touch-sensitive input mechanisms are provided, then device functionality is enhanced, but ease of operation worsens due to repetitive and non-intuitive command entries
Solution Approach 1:
The patent implements dynamic control where the device interprets natural, continuous movements rather than requiring static, discrete button presses. The accelerometer captures dynamic motion patterns in three-dimensional space, allowing users to perform functions through intuitive gestures like tilting, swiping, or shaking the device. This dynamic approach enhances versatility while improving ease of operation by eliminating repetitive mechanical inputs.
Solution Approach 2:
The patent adds spatial dimensions to input control by utilizing the accelerometer's three-axis detection capability and the infrared sensor's proximity detection. Instead of limited two-dimensional touchscreen or keypad inputs, users can interact with the device through movements in three-dimensional space, including tilting, rotating, and gesturing. This dimensional expansion provides both enhanced functionality and improved ease of operation through more natural interaction.
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
Enhances user interaction by providing intuitive and convenient control over mobile devices, reducing the need for complex button inputs and enabling seamless interactions between devices based on orientation and proximity sensing.
Implementation Method 1
sensing at least one of a movement and an orientation of the mobile device
Implementation Method 2
sensing a proximity of an object in relation to at least a portion of the mobile device
Data Source
AI summary
In one embodiment a method of operating a mobile device includes sensing either an orientation or a movement of the mobile device, determining a command based on the sensed orientation or sensed movement, sensing a proximity of an object in relation to at least a portion of the mobile device, and executing the command upon the proximity of the object being sensed. In another embodiment, a method of operating a mobile device governs a manner of interaction of the mobile device relative to one or more other mobile devices. In at least some embodiments, at least one of the mobile devices includes an accelerometer and an infrared proximity sensor, and operation of the mobile device is determined based upon signals from those components.