NFC Antenna Switching for Playset Communication Range
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Solution Overview
Problem
Current interactive playsets have limited communication distances due to antenna systems, requiring users to move mobile devices between rooms to interact with objects, which reduces the user experience.
Innovation Solution
A near-field communication extending system with a main antenna and multiple extending antennas, coupled via an antenna switching mechanism, allows for extended communication range within a playset, enabling interaction with objects from a single device position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of stationary object
If a single main antenna is used in the playset, then the device complexity is low, but the communication distance is limited requiring users to move the mobile device between rooms
Solution Approach 1:
The antenna system is divided into multiple extending antennas positioned at different locations within the playset, each capable of establishing communication connections. This segmentation allows the system to cover a larger overall communication distance by having multiple access points distributed throughout the playset structure.
Solution Approach 2:
The antenna switching mechanism dynamically connects the mobile device to different extending antennas based on the device's position and communication needs. This dynamic switching enables the system to adaptively extend communication range while managing the complexity of multiple antennas through intelligent control.
2Ease of operation
If multiple extending antennas are added to the playset, then the communication distance is extended allowing interaction from a single position, but the device complexity increases
Solution Approach 1:
The antenna switching mechanism operates autonomously to manage connections between the mobile device and extending antennas. The system self-adjusts based on signal strength and device position, eliminating the need for user intervention to manually switch antennas and simplifying the operation experience despite the increased system complexity.
Solution Approach 2:
The extending antennas serve multiple functions: they extend communication range, provide spatial distribution of signals, and enable simultaneous interaction with multiple objects in different locations. This multi-functionality justifies the added complexity by delivering significant operational benefits.
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
Enhances user experience by allowing seamless interaction with multiple objects across a playset without the need to move the mobile device, improving the playset's interactive capabilities and reducing the need for batteries.
Implementation Method 1
The main antenna is positioned at a first location of the playset and configured to wirelessly communicate to a near field communication device of a mobile device
Implementation Method 2
The first shield comprises a ferrite material and bounds each side of the first antenna and each side of the second antenna
Data Source
AI summary
A playset comprises a near field communication extending system. The near field communication extending comprises a main antenna and a plurality of extending antennas. The main antenna is positioned at a first location of the playset and configured to wirelessly communicate to a near field communication device of a mobile device. The plurality of extending antennas is positioned at a plurality of different locations in an interior of the playset. Each of the plurality of extending antennas is connectable to the main antenna via a plurality of connection elements. The playset further comprises an antenna switching mechanism coupled to the plurality of extending antennas via a plurality of connection elements. The antenna switching mechanism is configured to switchably couple the main antenna with each of the plurality of extending antennas.