Wearable Camera Activation Alerts with Light Emitter Failover
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Solution Overview
Problem
Wearable electronic devices, such as HMDs, need to provide a notification when their cameras are activated to respect user privacy, but existing systems may fail due to light emitter abnormalities, lacking effective alternative notification methods.
Innovation Solution
The HMD device includes a processor to identify abnormalities in the light emitter and, if present, employs alternative notification methods to indicate camera activation, ensuring proper notification is provided.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a light emitter is used to provide camera activation notification, then privacy protection is improved, but reliability deteriorates when the light emitter has abnormalities
Solution Approach 1:
The notification system is segmented into multiple independent notification methods (light emitter notification and alternative notification), each capable of operating independently. When the light emitter is abnormal, the alternative notification method can be activated without affecting the camera activation function, thus maintaining reliability while managing complexity through modular design.
Solution Approach 2:
The system changes the notification parameter by switching between different notification methods based on the light emitter's operational status. When the light emitter is detected to be abnormal, the system parameterically switches to an alternative notification method, ensuring continuous reliable notification while adapting to component failures.
2Reliability
If alternative notification methods are implemented, then reliability is improved, but device complexity increases
Solution Approach 1:
The alternative notification method is prepared in advance but not activated unless necessary. The system preliminarily detects light emitter abnormalities and only then activates the alternative notification method, avoiding unnecessary complexity in normal operation while ensuring reliability when needed.
Solution Approach 2:
The processor acts as an intermediary that manages the switch between notification methods. It detects light emitter status and mediates the activation of alternative notification methods, simplifying the control logic while maintaining system reliability through coordinated operation of multiple notification channels.
Data Source
AI summary
There is provided an electronic device and a method of operating the electronic device. For example, the method may include, based on obtaining an execution request of a first camera, identifying whether a light emitter used for providing a notification indicating that the first camera is activated has an abnormality, based on identifying that the light emitter has no abnormality, controlling the light emitter to output the notification, based on identifying that the light emitter has the abnormality, identifying whether an alternative notification method is available to provide an alternative notification indicating that the first camera is activated is, and based on identifying that the alternative notification method is available, outputting the alternative notification using the alternative notification method.