Mobile Terminal Building Information Access via Digital Twin
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Solution Overview
Problem
Existing methods for providing location-specific information in buildings are inefficient due to the lack of up-to-date technical documentation, requiring specialized hardware and software, and often involve destructive on-site inspections, especially when dealing with concealed installations.
Innovation Solution
A method using a mobile communication terminal to determine location position via sensors, SLAM scanners, or satellite-assisted systems, with a server providing location-specific information from a database, allowing for visual and acoustic outputs in a timeline view without the need for additional infrastructure or user training.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If augmented reality technologies are used for overlaid display of building information, then information accessibility is improved, but hardware complexity and user training requirements increase
Solution Approach 1:
The patent creates a digital copy (virtual model) of the building that mirrors the physical structure. This virtual model contains all building information and can be accessed through simple mobile devices. The digital twin approach allows users to view building data without requiring complex augmented reality hardware, as the information is presented through standard smartphone or tablet interfaces.
Solution Approach 2:
The system uses universal mobile communication terminals (smartphones, tablets) that most users already possess, rather than requiring specialized augmented reality equipment. The same device serves multiple functions: capturing images, accessing the virtual model, displaying information, and providing navigation. This multi-functionality eliminates the need for dedicated hardware while maintaining information accessibility.
2Measurement precision
If on-site inspection with disassembly of concealing elements is performed to locate installed products, then measurement precision is improved, but time consumption and destructiveness increase
Solution Approach 1:
The virtual model contains precise location data of all installed products captured during the building construction or renovation phases. Instead of physically searching for concealed installations, users can query the virtual model to immediately obtain accurate location information, eliminating the need for time-consuming and potentially destructive physical inspections.
Solution Approach 2:
Building information, including the locations of concealed installations, is captured and stored in the virtual model during the construction or renovation phases - before the building is put into service. This preliminary data collection eliminates the need for later physical searches, as all location information is already recorded and accessible in the digital twin.
3Quantity of substance
If technical plans are stored digitally with specialized software, then information storage capacity is improved, but ease of operation deteriorates due to software complexity
Solution Approach 1:
The system uses standard mobile communication terminals with familiar operating systems (iOS, Android) instead of specialized software. The web-based interface leverages common browser functionality, allowing users to access the virtual model and building information using devices they already know how to operate. This universal approach maintains large data storage capacity while eliminating the learning curve associated with specialized software.
Solution Approach 2:
A web server acts as an intermediary between the virtual model database and the user's mobile device. The server handles complex data queries and returns simplified visual representations through standard web protocols. This intermediary layer shields users from the complexity of the underlying data structure while maintaining full access to the stored building information.
Data Source
AI summary
Method and arrangement for the output of location-specific information, in particular in buildings, on a mobile communication terminal of a user, wherein the location position of the mobile communication terminal is determined; and wherein location-specific information is provided as a function of the location position on the mobile communication terminal by means of a server connected via data technology with the mobile communication terminal and configured accordingly.

