Signal Distribution Module for Building Wiring Networks
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Solution Overview
Problem
Existing wiring networks in buildings struggle to simultaneously transmit data, telephony, and multimedia signals effectively across distances without crosstalk, especially with multimedia signals requiring higher frequencies and lower strengths, which traditional twisted pairs and coaxial cables fail to address efficiently.
Innovation Solution
A module with signal outputs connected to terminals that allow individual adaptation of output signals, including conversion from unbalanced to balanced form, and adjustable amplifier characteristics, enabling flexible and optimal transmission of all signal types via a shared wiring network, with permanent wiring to prevent user interference and efficient signal distribution to multiple connectors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If coaxial cables are used for multimedia signals, then signal transmission quality is improved, but separate wiring networks are required for different applications
Solution Approach 1:
The patent combines multiple signal types (multimedia, data, telephony) into a single shared twisted-pair wiring network. The module integrates multiple signal outputs on one cable, allowing different signal types to coexist on the same physical infrastructure, thereby eliminating the need for separate coaxial cable networks while maintaining transmission quality through individual adaptation circuits for each signal type.
Solution Approach 2:
The module provides universal signal distribution capability by supporting multiple signal types (multimedia, data, telephony) on a single cable interface. Each connector can handle different signal types simultaneously through individual adaptation circuits, making the wiring network multi-functional and adaptable to various applications without requiring separate dedicated networks.
2Device complexity
If twisted pairs are used for multimedia signals, then shared wiring network is achieved, but signal transmission effectiveness deteriorates
Solution Approach 1:
The patent applies local quality by providing individual adaptation circuits for each signal output on the module. Each adapter can be independently optimized for its specific signal type (multimedia, data, or telephony), allowing the shared twisted-pair network to transmit each signal type with optimal characteristics. This local customization compensates for the inherent limitations of twisted pairs for high-frequency multimedia signals.
Solution Approach 2:
The adaptation circuits enable parameter changes by adjusting electrical characteristics (impedance, signal level, frequency response) for each individual signal output. This allows the same physical twisted-pair cable to be electrically optimized for different signal types, transforming the cable's transmission properties locally at each connector to maintain signal effectiveness across the shared network.
3Reliability
If individual adaptation is made adjustable, then signal transmission optimality is improved, but device complexity increases
Solution Approach 1:
The module incorporates preliminary action by providing pre-configured adaptation circuits for each signal output. The adaptation parameters are set in advance during system installation or manufacturing, eliminating the need for complex real-time adjustments by users. This preliminary configuration ensures optimal signal transmission for each connector while keeping the device interface simple and user-friendly.
4Reliability
If permanent wiring is used for signal outputs, then user interference is prevented, but flexibility in configuration is reduced
Solution Approach 1:
The patent applies dynamics by combining permanent internal wiring with flexible external connectivity. The adaptation circuits are permanently wired inside the module to prevent user interference with sensitive settings, while the external cable connections and connector assignments remain flexible and can be reconfigured according to different application needs. This dynamic approach maintains both reliability and adaptability.
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 simultaneous propagation of all signal types across building distances with reduced crosstalk and noise, ensuring optimal signal quality and flexibility, while minimizing user error and power consumption by using adjustable amplifier settings and DC signal detection for amplifier activation.
Implementation Method 1
the individual adaptation comprises an Individual adjustment of the amplifier characteristic of each signal output and preferably also comprises a conversion of the signal from unbalanced to balanced form
Implementation Method 2
Individual adjustment of the amplifier characteristic of each signal output
Data Source
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AI summary
A module (1 ) is configured for distributing communications signals, some of which are particularly high-frequent and/or weak signals, eg multimedia signals. The latter signals are introduced into the module (1) via an RF input terminal and are transmitted via filters (9) and amplifiers (10, 11 ) on to a set of individual adjustment means (12), each of which is configured for being connected to a cable (2, 3) that comprises a number of pairs of twisted wires. By means of the individual adjustment means (12) the signal on each of the outputs U1-U8 can be adjusted individually, whereby it is possible in some connectors (4, 5) to achieve an optimal signal characteristic (15, 17) irrespective of the length of the cables (2, 3, etc.).