Accessory Detection and Thermal Setpoint Control for Protected Electronics
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Solution Overview
Problem
Accessory devices can inadvertently form a 'heat trap' around electronic devices, leading to reduced processing capabilities and potential shutdowns due to excessive heat generation, forcing users to choose between protection and performance.
Innovation Solution
A portable electronic device and accessory device system that includes a magnetic field sensor and wireless communication circuit, allowing the device to authenticate and receive information about the accessory device, which enables the electronic device to adjust its thermal management settings, such as increasing the operating temperature, to optimize performance while minimizing heat exposure to the user.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If accessory devices are used to protect electronic devices, then protection is improved, but heat dissipation deteriorates
Solution Approach 1:
The patent applies dynamics by making the thermal management strategy adjustable based on detected conditions. The system dynamically switches between different thermal management modes (first and second thermal management strategies) depending on whether an accessory device is detected, allowing the thermal management approach to adapt to changing environmental conditions rather than being static
Solution Approach 2:
The patent changes thermal management parameters based on accessory detection. When an accessory is detected, the system modifies thermal management parameters by switching to a second thermal management strategy that accounts for the reduced heat dissipation capability, thereby optimizing performance within the constrained thermal environment
2Reliability
If accessory devices are used to protect electronic devices, then protection is improved, but processing speed deteriorates
Solution Approach 1:
The patent applies preliminary action by detecting the presence of accessory devices before thermal issues arise. The magnetic field sensor proactively identifies when an accessory is attached, allowing the system to preemptively adjust thermal management strategies before heat buildup occurs, thereby maintaining processing speed within acceptable ranges
Solution Approach 2:
The system uses feedback from the magnetic field sensor to continuously monitor accessory device presence and adjusts thermal management accordingly. This closed-loop feedback mechanism allows the processor to maintain optimal processing speed by adapting thermal management strategies based on real-time detection of accessory devices
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
This solution allows electronic devices to maintain higher processing speeds and longer operation times while protecting users from excessive heat, enhancing user experience by balancing protection and performance.
Implementation Method 1
a magnetic field sensor configured to detect a magnetic field from a magnetic assembly external to the housing
Data Source
AI summary
Electronic devices and accessory devices designed for communication with electronic devices are disclosed. An accessory device suitable for use with an electronic device can receive the electronic device. Subject to authentication, the electronic device can read information stored on the accessory device through respective wireless communication circuitry of the electronic device and the accessory device. For example, the accessory device can store information related to the material makeup of the accessory device, dimensional information of the accessory device, and other integrated features. This information can be read and received by the electronic device. As a result, the electronic device can adjust a control system (that regulates thermal energy generation) by increasing a set point temperature that allows one or more processors to operate in a manner consistent with additional thermal energy generation. However, the accessory device protects the user from exposure to the additional thermal energy, thereby preventing injury.