USB-C Sensor Cable for Charging and Theft Detection
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Solution Overview
Problem
Conventional security systems face challenges in simultaneously charging and monitoring the status of portable electronic devices due to the need for multiple cables and separate power sources, which can be easily circumvented by thieves, and existing solutions require complex setups with multiple cords and adapters.
Innovation Solution
A USB sensor system that uses a single cable assembly to both charge and monitor the security status of a chargeable device, featuring a USB Type C plug for power delivery and a modular plug for alarm integration, with a switch circuit and backup power supply, allowing for simultaneous charging and status monitoring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate sensor cords and power cords are used for monitoring and charging, then the device can be monitored and charged, but the system complexity increases with multiple cords and adapters
Solution Approach 1:
The patent combines the sensor cord and power cord into a single integrated USB cable assembly. The cable contains both power delivery conductors and sensor signal conductors, allowing simultaneous charging and security monitoring through one connection rather than requiring separate sensor cord and power cord connections
Solution Approach 2:
The USB cable assembly serves multiple functions simultaneously: it provides power delivery to the chargeable device, transmits sensor signals for security monitoring, and enables communication through the USB protocol. This multi-functional cable replaces the need for separate dedicated sensor cord and power cord
2Productivity
If independent charging units are provided for each device, then each device can be charged, but multiple power receptacles and adaptors are required
Solution Approach 1:
The integrated alarm unit with USB receptacles can simultaneously charge multiple chargeable devices while providing security monitoring for each device through the same USB connection. The alarm unit incorporates multiple USB ports that can independently charge different devices, eliminating the need for separate charging units for each device
3Reliability
If conventional security devices are used, then security monitoring is provided, but they can be easily circumvented by thieves
Solution Approach 1:
The USB-based sensor system acts as an intermediary between the chargeable device and the alarm system. It monitors the device status through the USB configuration channel and can detect tampering or removal attempts, providing a more sophisticated security layer that is integrated into the device's power and data interface rather than being a separate vulnerable component
Data Source
AI summary
A USB Type C sensor is disclosed for use with an alarm system for monitoring a chargeable electrical device having a USB Type C port. A sensor comprises a first cable having a USB Type C plug receivable in the USB Type C port. A second cable has a second USB plug receivable in a power source. A third cable has an alarm plug receivable in an alarm receptacle for the alarm system, in use. A housing is operatively connected to the first, second and third cables. A sensor circuit is in the housing and electrically connects the second USB plug to the USB Type C plug to charge a chargeable electrical device to be monitored. A switch circuit monitors a configuration channel of the USB Type C port to determine if the first cable is connected to the chargeable electrical device and responsive thereto controls a switch electrically connected to the alarm plug so that the alarm system monitors status of the switch.