Doorbell Camera Sleep Mode for Power and Video Trade-off
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Solution Overview
Problem
Conventional doorbell systems lack the ability to provide secure and convenient communication between remotely located individuals and visitors, especially in terms of real-time video and audio communication, and inefficient power management for camera operations.
Innovation Solution
A doorbell system comprising an electronic doorbell with a camera and a button, configurable to enter sleep mode for low power consumption, and a remote computing device for wireless communication, allowing for camera live view mode activation upon visitor detection or user request, with power settings overridden to conserve energy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the camera operates continuously to enable real-time video communication, then communication quality is improved, but power consumption increases
Solution Approach 1:
The camera dynamically switches between active and sleep modes based on operational needs. When a visitor is detected or a user requests live view, the camera activates to provide video communication. When not in use, the camera enters sleep mode to conserve power, creating a dynamic adaptation to varying operational requirements
Solution Approach 2:
The system implements periodic activation of the camera rather than continuous operation. The camera is activated in periodic intervals when triggered by visitor detection or user requests, and remains inactive during other periods. This periodic action pattern reduces overall power consumption while maintaining communication capability when needed
2Use of energy by moving object
If the camera enters sleep mode to conserve power, then power consumption is reduced, but real-time video communication capability is lost
Solution Approach 1:
The system performs preliminary detection of visitor presence before activating the camera for video communication. Motion sensors or other detection mechanisms are active in low-power states to detect when a visitor approaches, allowing the camera to be activated only when necessary. This preliminary action ensures video communication capability is restored before actually needed
Solution Approach 2:
The system uses feedback from user interactions and visitor detection to control camera activation. When users request live view or when visitors are detected, feedback signals trigger camera activation. This feedback mechanism ensures the camera is activated based on actual communication needs, maintaining reliability while managing power consumption
3Reliability
If the doorbell system provides continuous monitoring and communication, then security is improved, but power consumption increases
Solution Approach 1:
The doorbell system is segmented into different functional components with different power consumption characteristics. Detection functions (motion sensors, audio sensors) operate in low-power modes continuously, while the camera and full communication systems are activated only when detection triggers are received. This segmentation allows security monitoring to continue with minimal power consumption while maintaining the ability to provide full communication capability when needed
Solution Approach 2:
Different parts of the system have different operational states optimized for their specific functions. Detection sensors maintain a constant ready state with low power consumption, while the camera and communication modules transition between active and sleep states based on local triggering conditions. This local quality differentiation allows the system to maintain security surveillance while managing overall power consumption
Data Source
AI summary
A doorbell system can include an electronic doorbell comprising a camera and a button. The electronic doorbell can be configurable to enter a camera sleep mode whereby the camera does not capture images. The system can also include a remote computing device communicatively coupled to the electronic doorbell. The electronic doorbell can be configurable to send a wireless communication request to a mobile application loaded on the remote computing device.