Portable Coax Signal Detector for Fast Wall Socket Validation
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Solution Overview
Problem
Conventional methods for determining if a coaxial wall socket has a signal require connecting a cable modem and waiting for it to come online, which is inconvenient and costly, especially since subscribers lack access to validation tools, leading to unnecessary technician visits and increased customer support costs.
Innovation Solution
A portable signal detector with a housing, F-type male connector, microcontroller unit, tuner, and LED display that scans for cable signals within a specific frequency range, providing immediate visual feedback on signal presence through color-coded LED lights.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a cable modem is connected to test for signal presence, then signal validation can be achieved, but the process is time-consuming and requires waiting for the modem to come online
Solution Approach 1:
The patent extracts the signal detection function from the cable modem system and creates a separate, dedicated signal detector device. This standalone detector can immediately scan for signal presence without requiring the full modem initialization sequence, thus eliminating the waiting time while maintaining accurate signal detection capability.
Solution Approach 2:
The signal detector performs preliminary signal validation before the cable modem is fully initialized. By detecting signal presence in advance, the system avoids the time-consuming process of waiting for the modem to come online, allowing users to know immediately whether signal is available.
2Measurement precision
If a technician meter is used to detect signal at the coaxial wall socket, then accurate signal validation is achieved, but the cost becomes expensive due to technician visits
Solution Approach 1:
The patent enables subscribers to perform self-service signal detection using a portable detector device. Users can independently validate signal presence at their coaxial outlets without requiring technician visits, thereby eliminating the costly expense of professional service calls while maintaining accurate detection capability.
Solution Approach 2:
The signal detector is designed as an affordable, portable device that subscribers can own or use temporarily. This low-cost solution replaces expensive technician meters and service calls, providing economical signal validation that does not require professional intervention.
3Ease of operation
If no signal detection tool is available to subscribers, then the system remains simple, but subscribers cannot validate signal presence and must rely on expensive technician visits
Solution Approach 1:
The signal detector serves as an intermediary tool between the coaxial cable infrastructure and the subscriber. This mediator device translates technical signal presence into user-friendly visual feedback (LED indicators), making signal validation accessible to non-technical users without adding significant complexity to the overall system.
Solution Approach 2:
The signal detector uses color-coded LED indicators to provide intuitive visual feedback about signal presence. This simple visual language allows subscribers to easily understand signal status without requiring technical knowledge, greatly improving ease of operation while maintaining minimal system complexity.
Data Source
AI summary
The invention provides a signal detector. The signal detector comprises a housing, having a connector and a display unit; a tuner, configured to receive a cable signal; a microcontroller unit (MCU), electrically connected with the tuner and the display unit; a scanning switch, electrically connected with the MCU; a power supply, configured to supply a power to the MCU; and a power switch, electrically connected with the MCU.