Accessory Case Magnetic Alignment for Multi-Charger Wireless Charging
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Solution Overview
Problem
Users often need to carry multiple wireless chargers for different portable electronic devices, as each device may require a specific type of charger, leading to inconvenience and inefficiency.
Innovation Solution
An accessory case equipped with magnetic elements for alignment and a charging coil that can be charged using both magnetic and non-magnetic wireless chargers, featuring a design that compensates for offset alignment and includes shielding to enhance inductive coupling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an accessory case is designed to be charged by a specific type of wireless charger, then charging reliability is improved, but adaptability to different charger types deteriorates
Solution Approach 1:
The accessory case is designed with dual functionality to work with both magnetic wireless chargers (using magnetic alignment features) and non-magnetic wireless chargers (using alignment features without magnets). This multi-functionality allows a single case to adapt to different charger types while maintaining reliable charging performance for each type through dedicated alignment mechanisms.
2Measurement precision
If magnetic elements are added to improve alignment with magnetic chargers, then alignment precision is improved, but device complexity increases
Solution Approach 1:
Magnetic elements are strategically placed only in specific locations within the accessory case where alignment with magnetic chargers is needed, rather than uniformly distributing them throughout. This localized approach provides precise magnetic alignment where required while minimizing overall structural complexity and material usage.
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 accessory case can be efficiently charged using multiple types of wireless chargers, ensuring compatibility and convenience by aligning with different charging technologies and improving power transfer efficiency.
Implementation Method 1
The accessory case can include one or more magnetic elements to act as an alignment feature. This alignment feature can help to align the accessory case to a wireless charger of the first type.
Implementation Method 2
The accessory case can be charged using a first type of wireless charger as well as an additional type of wireless charger... The accessory case can include one or more magnetic elements to act as an alignment feature... to enhance inductive coupling
Data Source
AI summary
Accessory cases that can be charged using one or more types of wireless chargers. An example can provide an accessory case having a first alignment feature for aligning to a first type of wireless charger. The first alignment feature can include one or more magnetic elements in the accessory case. The one or more magnetic elements can be located in both the base and the lid of the accessory case. Another example can further include a second alignment feature for aligning to a second type of wireless charger. The second alignment feature can include one or more magnetic elements in the accessory case.