Headset Shipping Mode via Magnetic Arm Sensor
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Solution Overview
Problem
Battery-powered wireless headsets packaged with the microphone arm in an extended position experience rapid battery drain, leading to premature charging needs and potential battery damage due to prolonged storage in a discharged state.
Innovation Solution
Incorporating a switch mechanism, such as a magnetic sensor, that powers the headset off when the microphone arm is in the extended position, allowing it to be shipped in this configuration without draining the battery, and enabling a low-power shipping mode to conserve energy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If the headset is packaged with the microphone arm in extended position for display purposes, then the presentation quality is improved, but the battery is drained quickly
Solution Approach 1:
A magnetic sensor acts as an intermediary between the microphone arm position and the power management system. The sensor detects the arm position and triggers a shipping mode that overrides the normal power-on behavior, allowing the device to remain off during extended position packaging while still enabling display-quality presentation.
Solution Approach 2:
The system changes the power state parameter based on packaging conditions. By detecting the extended position through the magnetic sensor, the system transitions to a special shipping mode where the battery is placed in a low-power state, fundamentally changing the energy consumption parameter from normal operational levels to minimal storage levels.
2Use of energy by stationary object
If the battery is stored completely discharged for long periods, then the device can be kept in off state, but the battery may be partly damaged or lose capacity
Solution Approach 1:
The system performs preliminary action by placing the battery in a controlled low-power shipping mode before long-term storage. This preliminary state prevents the battery from being completely discharged, maintaining it in a safe voltage range that preserves battery health during extended storage periods while still achieving minimal power consumption.
3Loss of energy
If the switch is used to power off the device when movable part is in compact position, then energy is saved, but the device cannot be packaged in extended position without battery drain
Solution Approach 1:
The magnetic sensor and shipping mode mechanism provide multi-functionality: the same sensor that detects compact position to save energy also detects extended position to enable special packaging. The shipping mode serves dual purposes of preventing battery drain during storage and enabling extended position packaging, making the system adaptable to multiple operational scenarios.
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
Prevents battery drain during storage and extends battery life by keeping the headset in a low-power state until activated, ensuring it is ready for use without initial charging and maintaining battery health.
Implementation Method 1
the electronic device comprises a magnetic sensor, which is adapted to sense, whether the movable part is in the compact position or not
Data Source
AI summary
A battery powered electronic device (1) comprising a housing (2) and a movable part (3) extending from the housing (2). The movable part (3) is movably attached to the housing (2), such that it can be moved between a compact position and an extended position. The electronic device comprises a switch, which is adapted to sense, whether the movable part (3) is in the compact position or not, and the switch is utilized to switch the electronic device (1) On, when the movable part (3) is in the extended position, and Off, when the movable part (3) is in the compact position. The electronics of the device (1) is adapted to be set to off or into a low-power shipping mode, all though the movable part (3) is in the extended position.