Single-Handed Content Control via Motion Sensing
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Solution Overview
Problem
Conventional methods for controlling content on computing devices, such as zooming, panning, and adjusting volume, often require two hands, making it difficult for users to operate these functions single-handedly, especially when holding and manipulating the device with one hand.
Innovation Solution
Implementing a system that detects touch-based gestures and changes in device position relative to the user, allowing activation of content control modes like zoom, pan, and volume control using single-handed gestures and movements, utilizing sensors and cameras to determine user position and orientation for automatic adjustment of content.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If two-handed gestures (e.g., two-finger pinch-to-zoom) are used for content control, then precise control of content features is achieved, but ease of operation deteriorates when users must hold the device with one hand
Solution Approach 1:
The patent segments the control function into two independent components: (1) a single-finger touch gesture for activation and basic control, and (2) device motion sensing for precise adjustment. This segmentation allows each component to be optimized independently - the touch gesture provides ease of activation while the motion sensor provides precision control, resolving the contradiction between single-handed operability and control precision
Solution Approach 2:
The patent introduces device motion sensors (accelerometer, gyroscope) as an intermediary mechanism that translates physical device movement into precise content control adjustments. This intermediary enables the system to capture fine-grained motion data that complements the coarse single-finger touch input, achieving both ease of operation and precision control without requiring two hands
2Device complexity
If conventional virtual buttons or re-purposed physical buttons are used for content control, then device complexity is reduced, but ease of operation deteriorates when users need to navigate multiple controls with one hand
Solution Approach 1:
The patent makes the device's motion sensing capabilities universal by applying them to multiple content control functions (zoom, pan, rotate, volume). Instead of adding separate controls for each function, the same motion sensor system serves all control needs, reducing overall device complexity while improving single-handed operability through natural gesture-based interaction
3Measurement precision
If touch-based gesture input requiring two fingers is implemented, then control precision for content manipulation is improved, but ease of operation worsens when users cannot perform two-finger gestures while holding the device
Solution Approach 1:
The patent replaces the mechanical two-finger gesture system with a hybrid input system combining single-finger touch (mechanical) and motion sensing (physical field detection). The motion sensors detect device orientation and movement through gravitational and inertial fields, substituting the need for a second finger while maintaining control precision through sophisticated sensor data processing
Data Source
AI summary
Approaches are described for managing content via an electronic device. In particular, various embodiments enable single-handed approaches to adjusting content provided by a computing device. For example, the computing device (e.g., a mobile phone) or other portable computing device can detect a touch-based gesture input (e.g., a tap and hold) on a display screen to activate a content control mode (e.g., a zoom control mode, a panning control mode, a volume control mode). As the device is moved relative to user of the device or some other reference point, the device can cause a zooming, panning, or audio function to be executed. In this way, as the user holds the device and tilts, rotates, or otherwise changes the orientation of the device, or as the user's relative position or orientation changes with respect to the device, the content can appear to be zoomed-in or zoomed-out on, panned, or otherwise adjusted based at least in part on the function executed.