Headset Headband Flex Sensor for Smart Power Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing wireless headsets face issues with battery life due to inefficient power management, as users often struggle to accurately activate the power button while wearing the headset, leading to accidental button actuation and suboptimal sleep mode durations that impact battery drainage and user experience.
Innovation Solution
A wireless headset with a flex sensor integrated into the headband, which changes electrical resistance based on its flexed or unflexed state, enabling smart power control to automatically toggle power modes and improve battery life by distinguishing between usage and non-usage orientations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a power button is provided on the headset for user control, then power management capability is improved, but accidental button actuation occurs when users wear the headset, leading to unwanted power mode changes
Solution Approach 1:
The patent removes the physical power button from the headset entirely, extracting the manual control interface that causes accidental actuation. Power mode changes are now triggered automatically by the flex sensor detecting headset placement on or off the user's head, eliminating the reliability issue while maintaining power management functionality.
Solution Approach 2:
The headset automatically detects its own usage state through the flex sensor and autonomously transitions between power modes without requiring user intervention. The system serves itself by monitoring its own physical state and making intelligent power management decisions, eliminating accidental button presses while maintaining ease of operation.
2Ease of operation
If the headset remains in active mode for extended periods, then user convenience is improved, but battery drainage increases, reducing battery life
Solution Approach 1:
The patent implements periodic power mode transitions based on detected usage patterns. The flex sensor continuously monitors headset placement, and the system alternates between active and sleep modes according to detected states, creating a rhythmic on-off pattern that balances user convenience with energy conservation, preventing continuous battery drainage.
3Duration of action of stationary object
If the headset enters sleep mode quickly, then battery life is improved, but user experience deteriorates due to delayed activation when needed
Solution Approach 1:
The flex sensor continuously monitors headset placement in advance, detecting when the headset is being placed on or removed from the user's head before the actual transition is needed. This preliminary detection allows the system to prepare for mode transitions, ensuring immediate activation when the user puts the headset on while still maintaining quick sleep mode entry when removed, thus resolving both battery life and activation delay concerns.
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 smart power control system extends battery life by optimizing power management, reducing accidental button actuation, and enhancing user experience through improved headset functionality and audio handling features.
Implementation Method 1
a flex sensor integrated into the headband, which changes electrical resistance based on its flexed or unflexed state
Data Source
AI summary
A headset which includes an earpiece; a flexible headband coupled to the earpiece, the flexible headband including a flex sensing component, the headband profile sensing component determining when the headset is in a headset un-used orientation and a headset used orientation; and, a smart power control system, the smart power control system performing a smart power control operation based upon whether the headset is in the headset un-used orientation or the headset used orientation.