Battery Powered Wireless Camera Burst Transmission
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Solution Overview
Problem
Existing wireless network camera systems face issues with power consumption, interference, and reliability, particularly in battery-powered and wireless configurations, which limit their operational duration and effectiveness in various applications.
Innovation Solution
The development of battery-powered wireless network camera systems that incorporate internal batteries, burst transmission units, and base stations with web servers, enabling efficient energy management through time-sliced energy cycling and advanced semiconductor components, along with dual wireless transceivers for high-bandwidth and low-bandwidth communication, to extend operational periods and improve reliability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If wireless network camera systems use battery-powered operation, then installation flexibility and mobility are improved, but operational duration and power consumption become limiting factors
Solution Approach 1:
The camera system implements periodic action through time-sliced energy cycling, where the camera alternates between active transmission periods and low-power sleep periods. During active periods, the camera captures and transmits images using burst transmission. During sleep periods, most components are powered down to minimize energy consumption. This periodic operation pattern enables the battery-powered camera to achieve extended operational duration while maintaining installation flexibility.
2Reliability
If wireless transmission is used continuously, then data fidelity and real-time monitoring are improved, but power consumption and interference increase
Solution Approach 1:
The system uses periodic burst transmission instead of continuous transmission. The camera transmits data in concentrated bursts during active periods, achieving necessary data fidelity for surveillance applications while minimizing the time the transmitter is active, thereby reducing power consumption and electromagnetic interference.
Solution Approach 2:
The system maintains continuous surveillance capability through periodic operation. Although transmission occurs in bursts, the camera continuously monitors and captures images during active periods, ensuring that useful surveillance action continues without interruption over extended operational periods.
3Measurement precision
If high-bandwidth transmission is used, then image quality and detail are improved, but power consumption and transmission time increase
Solution Approach 1:
The system employs burst transmission during periodic active periods to send high-bandwidth image data. By concentrating transmission activity into specific time windows, the system achieves high image quality transmission without requiring continuous high-bandwidth operation, thereby reducing overall transmission time and power consumption.
Solution Approach 2:
The camera captures and buffers images during active periods before transmission is needed. This preliminary action allows the system to have image data ready for rapid burst transmission, achieving high image quality without extending the overall transmission duration.
4Reliability
If the camera operates continuously, then monitoring coverage and response time are improved, but battery life and maintenance requirements worsen
Solution Approach 1:
The camera implements periodic operation with time-sliced energy cycling, alternating between active monitoring periods and low-power sleep periods. During active periods, the camera provides full monitoring coverage. During sleep periods, the camera consumes minimal power while maintaining the ability to quickly resume operation. This periodic pattern extends battery life while maintaining adequate surveillance coverage.
Solution Approach 2:
The system uses feedback mechanisms to monitor battery status and adjust operation patterns accordingly. When battery charge levels decrease, the system can dynamically adjust the frequency and duration of active periods to extend battery life, ensuring continuous operational reliability throughout the battery cycle.
Data Source
AI summary
Apparatus, systems and techniques are provided associated with a battery powered wireless camera, which includes an internal battery and an image capture module to capture images. Further, the battery powered wireless camera may include a first communication module and a second communication module configured for wireless communication. If the second communication module is powered down, the image capture module may store captured infrared images. If activation is triggered, the second communication module may power up and wirelessly transmit the captured images. In an example, the wireless camera may further include an infrared detection module configured for capturing infrared images. Further, the activation may include any one of a noise, a motion, a timing, a command, and an infrared detection. Also, the first communication module may wirelessly communicate utilizing a first communication mode and the second communication module may wirelessly communicate utilizing a second communication mode.