Portable In-Flight Entertainment System with RF Transceiver
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Solution Overview
Problem
In-flight entertainment systems for smaller aircraft are impractical due to high installation costs, increased weight, and power consumption, and existing solutions either require expensive equipment modifications or reduce personalization by sharing monitors among passengers.
Innovation Solution
A portable entertainment system using a rechargeable battery-powered device with a transceiver that communicates via RF signals with passenger PEDs, providing entertainment content and managing power consumption to conserve battery life, while also being adaptable for use in various aircraft configurations and environments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If a portable entertainment system with transceiver and rechargeable battery is used, then weight and power consumption are reduced, but device complexity increases
Solution Approach 1:
The entertainment system is divided into portable units that can be distributed throughout the aircraft, each containing essential components (transceiver, processor, memory, battery) in a compact form factor. This segmentation reduces the weight of any single unit compared to a centralized system while managing complexity through modular design.
Solution Approach 2:
The rechargeable battery provides self-contained power supply for each portable unit, eliminating the need for centralized power distribution infrastructure. This self-service approach reduces overall system weight and complexity by making each unit independently operable.
2Ease of manufacture
If in-seat video displays are installed in only a portion of the aircraft, then equipment cost and installation expense are reduced, but personalization is degraded
Solution Approach 1:
The portable entertainment units are designed to be universally applicable throughout the aircraft, with each unit capable of providing personalized entertainment content to individual passengers. These multi-functional units can be deployed in any seating location, maintaining personalization while avoiding expensive in-seat display installation.
Solution Approach 2:
The portable unit acts as an intermediary between the entertainment content source and the passenger's PED, delivering personalized content wirelessly without requiring physical installation in seats. This mediator approach enables personalization while keeping installation expenses minimal.
3Duration of action of moving object
If battery power is conserved by reducing bandwidth, then battery life is extended, but content streaming quality is degraded
Solution Approach 1:
The system dynamically adjusts bandwidth allocation and content delivery parameters based on remaining battery charge levels. When battery charge is high, full-quality streaming is provided; when charge decreases, the system adaptively reduces bandwidth consumption while maintaining acceptable service quality, extending battery life without completely degrading user experience.
Solution Approach 2:
The system changes operational parameters (bandwidth, resolution, update frequency) based on battery status to optimize the trade-off between content quality and battery life. This parameter adjustment allows the system to extend battery duration while maintaining acceptable productivity levels throughout the discharge cycle.
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
The system offers a cost-effective and efficient in-flight entertainment solution by reducing weight and power consumption, while maintaining personalization and adaptability, allowing for flexible deployment and content distribution across multiple units.
Implementation Method 1
The transceiver communicates through radio frequency (RF) signals with Portable Electronic Devices (PEDs) operated by vehicle passengers.
Implementation Method 2
The rechargeable battery supplies power to the transceiver, the at least one processor, and the at least one memory.
Implementation Method 3
The catering canister can include a metal layer that encloses the transceiver, the at least one processor, and the at least one memory to shield RF emissions therefrom.
Data Source
AI summary
A portable entertainment system for a vehicle includes a portable housing, a transceiver, a processor, a memory, and a rechargeable battery. The transceiver communicates through RF signals with Portable Electronic Devices (PEDs) operated by vehicle passengers. The rechargeable battery supplies power to the transceiver, the processor, and the memory. The memory is coupled to the processor and includes entertainment content and further includes computer readable program code that causes the processor to communicate a list, of at least some of the entertainment content available in the memory, to the PEDs. A content selection message is received through the transceiver from one of the PEDs that requests communication of a selected one of the entertainment content identified in the list. The selected entertainment content is communicated through the transceiver to the PED. The transceiver, the processor, and the memory are enclosed within the portable housing.