Powerline Camera Authentication and Video Transmission in Vehicles
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Solution Overview
Problem
Supplemental accessories like hardwire-powered Wi-Fi cameras face challenges in authentication and video transmission when mounted at remote locations, requiring manual methods such as PINs or QR codes, and additional Wi-Fi hardware for connection to the host vehicle.
Innovation Solution
Utilizing bi-directional powerline communication to authenticate and control accessories like DC hardwired trailer Wi-Fi cameras through modulators and demodulators, eliminating the need for manual authentication and extra Wi-Fi hardware by transmitting video data through powerlines.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual authentication methods (PINs, QR codes) are used for remote cameras, then authentication can be performed, but the ease of operation deteriorates due to complex manual pairing procedures
Solution Approach 1:
The system enables self-service authentication by allowing the camera to automatically authenticate with the host vehicle through powerline communication during the power connection process, eliminating the need for manual user intervention in the authentication procedure
Solution Approach 2:
The authentication process is performed preliminarily during the power connection phase before the user needs to access camera functionality, so that by the time the user needs to use the camera, authentication is already complete and no additional manual steps are required
2Reliability
If Wi-Fi hardware is added for video transmission from remote cameras, then video transmission capability is improved, but device complexity increases due to additional hardware requirements
Solution Approach 1:
The powerline communication infrastructure is made multi-functional by using it for both power delivery and video data transmission, eliminating the need for separate Wi-Fi hardware while maintaining video transmission capability through the existing power wiring
Solution Approach 2:
The patent merges the power delivery function and video transmission function into a single communication channel (the powerlines), combining two separate functions into one unified system that uses the existing infrastructure for multiple purposes
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 automatic connection and control of accessories, reduces the need for manual authentication, and eliminates the requirement for additional Wi-Fi hardware, allowing seamless interaction and video transmission.
Implementation Method 1
bi-directional powerline communication by modulating a motor vehicle's power output
Data Source
AI summary
A power and communication transmission arrangement includes an electronic accessory having a first modulator/demodulator. A motor vehicle includes a charging system to provide a power signal to the electronic accessory. At least one electrical conductor carries the power signal from the charging system to the electronic accessory. An infotainment system bi-directionally communicates with the electronic accessory. A second modulator/demodulator modulates the power signal based upon first signals received from the infotainment system to form first modulated power signals such that the first modulator/demodulator demodulates the first modulated power signals to extract the first signals for use in the electronic accessory. The first modulator/demodulator modulates the power signal based upon second signals from the electronic accessory to form second modulated power signals such that the second modulator/demodulator demodulates the second modulated power signals to extract the second signals for use in the infotainment system.