Wearable Camera Tap Switch via Accelerometer Motion Profiles
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Solution Overview
Problem
Physical buttons on small form factor cameras can create a crowded and aesthetically unappealing design, increasing the likelihood of accidental button presses and reducing user experience.
Innovation Solution
A wearable camera that uses an accelerometer to detect motion profiles, allowing users to input commands through taps, which can be mapped to various camera functionalities, and incorporates a microphone to confirm inputs by sensing noise profiles, eliminating the need for physical buttons.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If physical buttons are added to small form factor cameras, then camera functionality can be controlled, but the design becomes crowded and aesthetically unappealing
Solution Approach 1:
The patent replaces physical mechanical buttons with gesture-based input detection using accelerometers and gyroscopes. Users interact with the camera by performing gestures (taps, slides, rotations) on the camera body surface, which are detected through motion sensors rather than through physical button presses. This eliminates the need for visible buttons while maintaining full functionality.
Solution Approach 2:
The patent introduces gesture recognition as an intermediary between the user and camera functionality. Instead of direct button pressing, users perform gestures that are translated into control commands through software processing of motion data from accelerometers and gyroscopes, creating a layered interaction system.
2Ease of operation
If physical buttons are added to small form factor cameras, then camera functionality can be controlled, but the likelihood of accidental button presses increases
Solution Approach 1:
The patent employs dynamic gesture recognition that analyzes the temporal and spatial characteristics of user interactions. The system distinguishes between intentional gestures (purposeful taps, slides) and accidental movements by evaluating factors such as gesture duration, intensity, location, and sequence, thereby reducing false activations while maintaining ease of use.
Solution Approach 2:
The patent implements feedback mechanisms where the camera provides visual or haptic confirmation when a gesture is recognized as a valid command. This feedback loop helps users understand when their gestures are being registered, allowing them to adjust their input to avoid accidental activations while maintaining intuitive control.
3Shape
If physical buttons are removed, then design becomes cleaner, but input accuracy may be reduced
Solution Approach 1:
The patent merges multiple sensor types (accelerometers and gyroscopes) into a unified gesture recognition system. By combining data from these sensors, the system achieves higher accuracy in distinguishing between different gestures and eliminating false positives, thereby maintaining input precision despite the removal of physical buttons.
Solution Approach 2:
The patent utilizes multiple detectable parameters from motion sensors including acceleration magnitude, gesture duration, movement trajectory, and intensity thresholds. By analyzing these parameters in combination rather than relying on a single input mechanism, the system achieves high recognition accuracy that compensates for the absence of tactile feedback from physical buttons.
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
The solution provides an unobtrusive, user-friendly interface that reduces accidental activations and enhances the camera's usability by allowing intuitive tap-based input, maintaining a clean design while ensuring accurate command recognition.
Implementation Method 1
The wearable camera includes an accelerometer that can be used to detect camera motion
Implementation Method 2
the camera includes a microphone which detects sound around the camera
Data Source
AI summary
Various embodiments provide a wearable camera that can be worn by a user. The wearable camera includes an accelerometer that can be used to detect camera motion. Input can be provided to the camera in the form of one or more taps which have an associated motion profile, as sensed by the accelerometer. The tap or taps can be mapped to camera functionality to activate the functionality.