Car Sealing Sensor Unit With Integrated NFC Smart Access
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Solution Overview
Problem
Existing car locking systems with NFC sensors are not optimally integrated into the vehicle's design, particularly in areas without a door handle, and lack a seamless optical integration with the vehicle's sealing surfaces.
Innovation Solution
A sensor unit with a touch and/or proximity sensor and NFC antenna is integrated into the outer surface of car sealings, such as door or window sealings, using a common housing that is shaped to match the sealing, allowing for keyless unlock or release and smart access, with the NFC antenna and sensor area covered by a single unit cover for improved visibility and assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the NFC sensor is arranged separately from other sensors, then the NFC function can be implemented, but the optical integration into the sealing surface is poor and the device complexity increases
Solution Approach 1:
The patent combines the NFC sensor, touch sensor, and proximity sensor into a single integrated sensor unit that is arranged as one component within the sealing structure. This merging approach implements the NFC smart access function while reducing device complexity by eliminating the need for separate NFC sensor arrangements.
2Shape
If the sensor unit is integrated into the sealing surface, then the optical integration is improved and the sensor is nearly invisible, but the manufacturing complexity increases
Solution Approach 1:
The patent divides the sensor system into a separate sensor unit module that can be independently manufactured and then integrated into the sealing surface. This segmentation allows the sensor unit to be optimized for optical integration (making it nearly invisible) while simplifying manufacturing by enabling modular assembly rather than requiring complex integration of individual sensors into the sealing.
3Ease of manufacture
If a common housing is provided for touch/proximity sensor and NFC antenna, then the assembly is simplified and easier to manufacture, but the device complexity increases
Solution Approach 1:
The patent provides a common housing that integrates the touch sensor, proximity sensor, and NFC antenna into a single unified structure. This merging simplifies assembly by allowing all sensor components to be installed as one unit and reduces device complexity by consolidating multiple functions into a single housing rather than requiring separate mounting structures for each sensor type.
Data Source
AI summary
A sensor unit for a car locking system having a touch and/or proximity sensor with an outer surface including a sensor area covered by a sensor area cover adapted to or integrated in the outside shape of a car sealing, preferably a door sealing, window sealing, flap sealing, etc. The sensor unit includes an NFC-Sensor for interaction with smart devices like smart cards, smartphones or the like and the NFC-Sensor has a NFC-Antenna.