Wearable Inductive Watch Charging for Use While Charging
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Smart watches and other smart devices face challenges with battery life, requiring frequent recharging, which disrupts continuous operation of functionalities like sleep tracking and notifications.
Innovation Solution
A smart charging system that allows devices to be charged inductively while in use, using a wearable inductive power bank that fits under the smartwatch, providing continuous power without removing it from the wrist.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If the smartwatch is recharged using traditional wired charging methods, then the battery can be recharged, but the device must be removed from the wrist and continuous operation is interrupted
Solution Approach 1:
The patent replaces the mechanical wired charging connection with wireless inductive charging. The charging system uses electromagnetic induction to transfer power without physical contact, allowing the smartwatch to remain on the wrist while charging. This substitution eliminates the need to remove the device for charging while maintaining battery recharge capability.
Solution Approach 2:
The patent introduces an intermediary charging device that couples magnetically between the power source and the smartwatch battery. This magnetic coupling intermediary enables power transfer through the wrist without requiring direct electrical contact or removal of the smartwatch, thus maintaining continuous operation while enabling recharging.
2Duration of action of moving object
If the smartwatch battery capacity is increased to extend usage time, then battery life is improved, but the device size and weight increase
Solution Approach 1:
The patent extends battery life by adding a charging dimension rather than increasing battery capacity. By enabling continuous wireless charging through the wrist, the system effectively creates a third dimension of power supply (external power source) without increasing the internal battery size, thus avoiding additional weight while extending operational duration.
Solution Approach 2:
The patent implements preliminary charging action by continuously replenishing battery power during normal wear. The wireless charging system begins charging the battery during usage periods rather than waiting for depletion, effectively extending operational life without requiring a larger battery, thereby avoiding increased device weight.
3Ease of operation
If wireless inductive charging is implemented, then continuous operation during charging is enabled, but charging efficiency and power transfer rate may be reduced compared to wired charging
Solution Approach 1:
The patent incorporates feedback mechanisms that monitor the magnetic coupling strength and power transfer efficiency between the charging device and smartwatch. The system dynamically adjusts charging parameters based on detected coupling conditions, optimizing power transfer efficiency while maintaining continuous operation capability. This feedback control compensates for the inherent efficiency losses of wireless charging.
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
Enables continuous operation of smart devices by maintaining functionality during charging, extending battery life, and allowing use during recharging without the need for wired connections.
Implementation Method 1
A wearable inductive power bank that fits under the smartwatch
Data Source
AI summary
Systems and methods are presented for a smart charger for an electronic device. The smart charger provides for charging a smart device while the smart device continues to be in use and/or used by a user. The smart charger may include features for attaching to a smartwatch, where the smart charger fits between a smart watch and the wrist of a user and/or underneath a smart watch such that the smart watch can continue to be utilized by a user while the smart watch is charging.