Vehicle Mobile Phone Integration Device Antenna Arrangement
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Solution Overview
Problem
Existing mobile telephone integration devices face challenges in accommodating mobile phones with edge-mounted mobile radio antennas, as they struggle to position antennas optimally and manage interference, while also optimizing constructional space and minimizing electromagnetic disturbances.
Innovation Solution
The integration device positions at least one charging antenna between mobile radio coupling antennas, includes a communication antenna for vehicle electronics, uses a metalized and absorber layer to reduce interference, and designs the charging antenna as a near-field antenna, all integrated into the vehicle console to reduce components and enhance space utilization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If mobile radio coupling antennas are positioned far apart to accommodate edge-mounted phone antennas, then compatibility with edge-antenna phones improves, but device complexity increases
Solution Approach 1:
The patent transitions from a linear antenna arrangement to a three-dimensional configuration by placing antennas on different planes (depositing plane and receiving space) and utilizing vertical spacing. This allows multiple antennas to be positioned optimally without increasing horizontal footprint, resolving the contradiction between adaptability and complexity.
Solution Approach 2:
The charging antenna is integrated within the space defined by the mobile radio coupling antennas, nesting multiple functional antennas within a compact three-dimensional volume. This allows edge-antenna phone compatibility while maintaining compact device structure.
2Area of stationary object
If multiple antennas are arranged close together to optimize space, then space utilization improves, but electromagnetic interference between antennas increases
Solution Approach 1:
The patent introduces an absorber layer as an intermediary substance between the antennas. This layer absorbs electromagnetic waves, preventing interference between closely-spaced antennas while allowing them to be positioned in a space-optimized three-dimensional arrangement.
Solution Approach 2:
The harmful electromagnetic interference is extracted and removed from the system by the absorber layer, which captures and dissipates interfering waves. This allows multiple antennas to coexist in close proximity without mutual interference.
3Object-affected harmful factors
If a metalized layer is added to shield antennas from electromagnetic disturbances, then protection from interference improves, but reflection of electromagnetic waves increases
Solution Approach 1:
The absorber layer serves as an intermediary between the metalized shielding layer and the antennas. It prevents direct interaction between electromagnetic waves and the metalized layer, eliminating reflection while maintaining the protective shielding effect against external disturbances.
Solution Approach 2:
The patent converts the potentially harmful reflection effect of the metalized layer into a beneficial absorption effect by introducing the absorber layer. The metalized layer's shielding capability is preserved while its harmful reflection is eliminated through the absorber's wave-absorbing properties.
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
This configuration allows for optimal positioning of antennas, minimizes interference, and reduces electromagnetic disturbances, ensuring efficient communication and charging regardless of the phone's position, while reducing the number of components and optimizing space usage.
Implementation Method 1
the absorber layer, in particular, being arranged between the mobile radio coupling antennas. By this means, interference attenuation between the individual antennas is achieved due to which the individual antennas influence one another only a little in spite of the short distances from one another. Furthermore, this also prevents the reflecting of electromagnetic waves off of the metalized layer used as shielding.
Implementation Method 2
one charging antenna for wirelessly charging an energy store of the mobile telephone
Data Source
AI summary
The invention relates to a mobile telephone integration device for integrating a mobile telephone into a vehicle, the mobile telephone integration device including an adapter with a depositing plane on which the mobile telephone is deposited, at least two mobile radio coupling antennas and at least one charging antenna for wirelessly charging an energy store of the mobile telephone that is arranged below the depositing plane, where the at least one charging antenna is arranged between the at least two mobile radio coupling antennas.