Magnetic Accessory Positioning for Adjustable Angles and Thermal Control

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Solution Overview

Problem

Existing accessory devices for electronic devices lack efficient mechanisms for adjusting positioning and managing thermal energy generation while ensuring safe and efficient operation based on the device's coverage by protective covers.

Innovation Solution

The use of multi-pole magnets in accessory devices that magnetically couple and repel to allow adjustable positioning and thermal management, coupled with sensors to detect magnetic flux direction and magnitude for controlling device operation and thermal regulation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If accessory devices use traditional positioning mechanisms, then structural complexity is reduced, but positioning adjustability and precision are insufficient

Engineering Contradiction:

Improvepositioning adjustabilityVSAvoidmechanism complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent replaces traditional mechanical positioning mechanisms with a magnetic field-based system. Magnets embedded in the accessory device interact with magnets in the electronic device to provide positioning and retention forces, eliminating the need for complex mechanical adjustment mechanisms while achieving precise and adjustable positioning.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent utilizes changes in magnetic field parameters (strength, direction, distribution) to control positioning. By strategically placing magnets with different polarities and strengths at various locations, the system achieves multiple stable positioning states without mechanical complexity.

Inventive Principle:

Principle #35Parameter changes

2Reliability

If accessory devices provide full coverage protection, then protective function is improved, but thermal management capability deteriorates

Engineering Contradiction:

Improveprotective coverageVSAvoidthermal energy accumulation

Core Design Contradiction:

ReliabilityVSTemperature

Solution Approach 1:

The patent applies magnetic elements selectively at specific locations rather than uniformly across the entire accessory device. This localized approach provides sufficient protective force and positioning where needed while leaving other areas open for thermal dissipation, thus maintaining both protection and thermal management.

Inventive Principle:

Principle #3Local quality

Solution Approach 2:

The magnetic field acts as an intermediary force that provides retention and positioning without requiring full physical coverage. The accessory device can maintain protective function through strategic magnetic anchoring points while allowing thermal energy to escape through non-magnetic regions.

Inventive Principle:

Principle #24Intermediary (Mediator)

3Device complexity

If accessory devices use simple magnetic positioning, then device complexity is reduced, but positioning precision and stability are insufficient

Engineering Contradiction:

Improvepositioning mechanismVSAvoidpositioning accuracy

Core Design Contradiction:

Device complexityVSManufacturing precision

Solution Approach 1:

The patent divides the magnetic positioning system into multiple discrete magnet elements distributed at specific locations within the accessory device. Each magnet contributes to the overall positioning force, and their collective interaction with corresponding magnets in the electronic device creates multiple stable equilibrium points, enhancing positioning precision without increasing overall system complexity.

Inventive Principle:

Principle #1Segmentation

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 efficient battery usage, safe thermal management, and enhanced device performance by allowing processors to operate at higher temperatures when not fully covered, while ensuring user safety and efficient operation.

Implementation Method 1

uses magnets to magnetically couple and repel other magnets for properly positioning

Methodology Applied

Scientific EffectMagnetic coupling: Magnetism

Implementation Method 2

uses magnets to magnetically couple and repel other magnets for properly positioning

Methodology Applied

Scientific EffectMagnetic repulsion: Magnetism

Data Source

PatentUS20250341868A1Accessory devices using magnets for adjustable positioning of an electronic device

Publication Date: 2025.11.06 APPLE INC

AI summary

An accessory device may support an electronic device at multiple angles. The accessory device may include one section with multiple segments foldable with respect to each other, and another section for receiving the electronic device. At least some magnets within one of the segments may magnetically couple with respective magnets in the section receiving the electronic device. Using the magnets, the accessory device may support the electronic device within a range of angles. Further, using magnets that magnetically repel other magnets, the accessory device may limit the range of angles. In this regard, the magnetic repulsion may provide an indication to a user of the accessory device that the range of angles is exceeded. Magnets may include multi-pole magnets for both magnetic attraction and alignment.