Volume Knob Haptic Transition for Instant Volume Boost
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Solution Overview
Problem
Existing electronic devices with volume-control knobs require cumbersome navigation or dedicated button presses to activate the volume-boost feature, making it difficult to access and use.
Innovation Solution
A method and apparatus for volume control that activates a volume boost by rotating a volume-control knob past a predetermined angle, increasing the volume level in a non-linear fashion and providing haptic feedback to distinguish the transition.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a dedicated button or menu navigation is used to activate volume-boost, then the volume-boost feature can be activated, but the operation becomes cumbersome and difficult to access
Solution Approach 1:
The patent merges the volume-boost activation function with the existing volume-control knob rotation operation. By detecting when the knob rotation exceeds a predetermined angle threshold, the system combines two previously separate functions (volume control and volume-boost activation) into a single unified interaction, eliminating the need for dedicated buttons or menu navigation.
Solution Approach 2:
The volume-control knob serves dual purposes: it controls volume levels through normal rotation and simultaneously activates the volume-boost feature when rotated beyond the threshold angle. This self-service approach allows the knob to trigger advanced functions without requiring additional controls or user steps.
2Ease of operation
If the volume-control knob is rotated past a predetermined angle to activate volume-boost, then the volume-boost feature becomes easily accessible, but the volume control becomes non-linear
Solution Approach 1:
The patent implements dynamic volume control where the relationship between knob rotation angle and volume output changes based on the rotation range. Within the normal rotation range, the control remains linear for predictable user experience. When the rotation angle exceeds the predetermined threshold, the system dynamically switches to activate volume-boost, creating a non-linear but intentional control characteristic that enhances accessibility.
Solution Approach 2:
The system changes the volume output parameter behavior based on the rotation angle parameter. When the rotation angle is below the threshold, volume increases linearly with rotation. When the rotation angle exceeds the threshold, the volume parameter undergoes a sudden increase to activate volume-boost, creating a deliberate non-linear parameter change that prioritizes ease of operation.
3Ease of operation
If haptic feedback is added to distinguish the transition to volume-boost, then the user experience is enhanced, but the device complexity increases
Solution Approach 1:
The patent incorporates haptic feedback as a sensory feedback mechanism to communicate the transition from normal volume control to volume-boost mode. When the knob rotation exceeds the predetermined angle threshold, the haptic feedback mechanism provides tactile confirmation to the user, enhancing the user experience by making the non-linear transition perceptible and intuitive.
Solution Approach 2:
The haptic feedback mechanism utilizes mechanical vibration or tactile resistance changes to signal the transition point. This physical feedback method provides immediate sensory information to the user during knob rotation, helping them understand when the volume-boost feature has been activated without requiring visual confirmation or additional controls.
Data Source
AI summary
A method and apparatus for volume control of an electronic device is provided herein. During operation, a volume-control knob will increase a volume of sound output from a device in a substantially linear fashion (versus knob rotation angle) as a volume-control knob is rotated. Once the volume-control knob is rotated past a predetermined amount, a volume boost is activated, increasing the volume level in a non-linear fashion. More particularly, in one embodiment of the present invention, once the volume-control knob is rotated past the predetermined amount (e.g., 300 degrees), the volume will be increased instantaneously (e.g., by 25%).