Matter-Enabled Locking Device for Secure Long-Distance Control
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Solution Overview
Problem
Existing locking devices face challenges in securely transmitting authorization codes over long distances and integrating with building networks without significant effort, while maintaining data security and energy efficiency.
Innovation Solution
A locking device with a bidirectional transmit/receive interface using the Matter connection standard, enabling communication via radio standards in the 2.4 GHz, 5 GHz, or 6 GHz bands, and supporting protocols like IEEE 802.15.4, allowing integration into various networks and controlling additional building systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If wireless transmission of authorization codes is used for long-distance control, then control range is improved, but data security deteriorates
Solution Approach 1:
The patent introduces Matter-certified transmission interfaces as intermediaries between the locking device and external systems. These standardized interfaces implement secure encryption and authentication protocols that protect authorization codes during wireless transmission, allowing long-distance control while maintaining data security through certified security mechanisms.
Solution Approach 2:
The patent employs dynamic parameter changes in the transmission system, including adjustable encryption keys, rotating authorization tokens, and time-based one-time passwords. These parameter changes ensure that even if one transmission is intercepted, the security is compromised only temporarily and cannot be reused, thus maintaining data security over long distances.
2Adaptability or versatility
If multiple network protocols are supported for building integration, then adaptability is improved, but device complexity increases
Solution Approach 1:
The locking device is designed with universal Matter-certified transmission interfaces that can operate across multiple network protocols and building automation systems. The device performs multiple functions including direct locking control, integration with smart home systems, and compatibility with various building management platforms, all through standardized Matter interfaces that simplify the overall system architecture.
Solution Approach 2:
The patent uses Matter-certified transmission interfaces as universal intermediaries that translate between different network protocols and the locking device. This intermediary layer handles protocol conversion and compatibility issues, allowing the device to work with diverse building networks without increasing its internal complexity, as the standardized Matter protocol manages the multi-protocol requirements.
3Use of energy by moving object
If energy-efficient transmission modes are used, then energy consumption is reduced, but transmission reliability may deteriorate
Solution Approach 1:
The patent implements periodic transmission modes where authorization codes and control signals are sent at optimized intervals rather than continuously. The system uses duty cycling with sleep and active periods, transmitting data only when necessary while maintaining connection readiness. This periodic action significantly reduces energy consumption while ensuring reliable transmission by timing communications with system activity cycles.
Solution Approach 2:
The transmission system dynamically changes parameters such as transmission power levels, data packet sizes, and retransmission thresholds based on energy availability and signal conditions. When energy is abundant, the system uses higher power and more robust protocols; when energy is limited, it switches to lower-power modes with optimized packet efficiency, maintaining reliability across varying energy states.
Data Source
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AI summary
Locking device (6) for a door, a gate or a window, with an electrically operated, in particular electromotive lock (7) or relay and a device (8) for inputting and/or transmitting an authorization data set for controlling the electromotive lock (7) or relay, wherein the device (8) has a housing (12) for accommodating a control device (13) and a receiving and/or input device for the authorization data set as well as a transmitting device which transmits a control signal to a receiver in the lock (8) or relay. A locking device (6) with which control over a large distance with a high level of security is possible and which can simultaneously be integrated into a network (23) of a building, wherein existing locking devices (6) can be integrated or integrated into a plurality of different networks without great effort.are connectable to such a network (23) is designed in that the device (8) for inputting and/or transmitting an authorization data record has a transmitting/receiving interface (16) for a connection standard Matter.