Contactless Access Control for Cleaning Device User Authorization
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Solution Overview
Problem
Existing cleaning devices face challenges in providing a user-friendly access control system that ensures only authorized users operate the devices, reducing the risk of incorrect operation and damage.
Innovation Solution
A cleaning device with a detection unit that contacts the access authorization stored on an authorization carrier without physical contact, transmitting it to a control unit for validation, and includes a memory unit to store user information for identification, allowing different authorization levels and operating profiles, and uses RFID or NFC technology for contactless access control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If mechanical key detection is used for access control, then security is ensured, but user-friendliness and ease of operation deteriorate
Solution Approach 1:
The patent replaces the mechanical key detection system with a contactless detection system using electromagnetic fields (RFID/NFC technology). The authorization carrier contains a chip that communicates wirelessly with the detection unit, eliminating the need for physical key insertion and mechanical detection mechanisms. This substitution maintains security through cryptographic authentication while dramatically improving ease of operation.
Solution Approach 2:
The patent introduces an electromagnetic field as an intermediary between the authorization carrier and the detection unit. Instead of direct mechanical contact, the electromagnetic field serves as the medium for transmitting authentication data, enabling contactless access control that is both secure and user-friendly.
2Ease of operation
If contactless detection is used for access authorization, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The control unit is designed to perform multiple functions: it manages access authorization validation, stores user profiles, controls cleaning device operations, and coordinates with the detection unit. By making the control unit multi-functional, the patent avoids adding separate dedicated hardware for each function, thereby limiting the increase in overall device complexity while enabling contactless access control.
Solution Approach 2:
The patent combines the authorization validation functionality, user profile storage, and device control operations into a single integrated control unit. This merging of functions reduces the number of separate components needed, offsetting the complexity introduced by the contactless detection capability.
3Adaptability or versatility
If multiple user profiles and authorization levels are implemented, then adaptability is improved, but device complexity increases
Solution Approach 1:
The patent pre-structures the authorization system with defined authorization levels and user profiles stored in the memory unit before operation. Each user profile contains predetermined permissions and settings, allowing the control unit to quickly determine appropriate access rights without complex real-time decision-making. This preliminary organization of data simplifies the control logic despite supporting multiple user types.
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
Enables user-friendly, contactless access control, reducing the need for mechanical key detection, allowing for multiple user access levels, and adapting device settings based on user profiles, while ensuring secure operation and maintenance access.
Implementation Method 1
detection unit (60) which is designed to detect the access authorization stored on the authorization carrier (50, 52) without contact
Data Source
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AI summary
The invention relates to a cleaning device (10), comprising an operating unit (26) for operating the cleaning device (10), at least one functional unit (16, 22) for carrying out an operating instruction, and a control unit (58) for receiving operating instructions performed on the operating unit (26) and the actuation of the at least one functional unit (16, 22) based on said instructions, wherein an access authorization stored on an authorization carrier (50) is required in order to run the cleaning device (10). In order to provide such a cleaning device (10) having more user-friendly access control, the cleaning device (10) comprises a detection unit (60), which is operatively connected to the control unit (58) and which is designed for the non-contact detection of the access authorization and the transmission of said authorization to the control unit (58), and the control unit (58) can be used to verify the validity of the access authorization. In addition, the invention relates to a method for controlling the access to a cleaning device.