Single Cable Power and Data Architecture for Thin Displays
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Solution Overview
Problem
Conventional power supply architectures for televisions and other devices often require separate cables for power and data transmission, leading to increased complexity and visual intrusion, especially in ultra-thin television installations where minimal cabling and weight are desired.
Innovation Solution
A power supply architecture that uses a single cable to concurrently transport both audio/video data and power, up to 100 W or more, using a cable transceiver and voltage source to facilitate communication and power delivery between a powering device and a powered device, such as an HDMI-P cable.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate cables are used for power and data transmission, then reliable power supply and data communication are ensured, but cable complexity and visual intrusion increase
Solution Approach 1:
The patent combines power transmission and data communication functions into a single cable assembly. The cable includes multiple conductors that simultaneously carry power signals and data signals, eliminating the need for separate power and data cables. This merging reduces cable complexity and visual intrusion while maintaining reliable power supply and data communication through proper signal separation and shielding techniques.
Solution Approach 2:
The cable assembly is designed to perform multiple functions: it serves as both a power delivery medium and a data communication channel. The universal cable structure includes dedicated conductors for power transmission and other conductors for differential data signaling, allowing a single cable to replace multiple specialized cables while ensuring each function operates reliably.
2Adaptability or versatility
If multiple cables are used for power and data, then functional requirements are met, but installation complexity and visual impact increase
Solution Approach 1:
By merging power and data transmission into one cable assembly, the patent simplifies installation procedures. Installers need to connect only one cable instead of multiple separate cables, reducing installation time and complexity. The unified cable maintains functional adaptability by including all necessary conductors for both power delivery and high-speed data communication within a single connector interface.
3Power
If high power is transmitted through cable, then sufficient power delivery is achieved, but cable size and weight increase
Solution Approach 1:
The patent achieves high power delivery in a lightweight cable by changing key parameters: using higher voltage operation to reduce current requirements, employing efficient conductor materials with optimal cross-sectional areas, and implementing low-resistance connections. These parameter changes allow sufficient power transmission capability while maintaining minimal cable weight and size.
Data Source
AI summary
The single removable cable is capable of transporting both the power and the data between a powering device and one or more powered devices. At least one signal line is configured to transport data over the single removable cable. At least one electrical conductor configured to transport power for operating the one or more powered devices.