Available Technology

Wireless Sensor for Pharmaceutical Packaging and Monitoring Applications

NASA's Langley Research Center researchers have developed a wireless, open-circuit SansEC [Sans Electrical Connections] sensor that can be used for pharmaceutical applications without the need for physical contact. Many attributes of a container can be monitored, such as liquid or powder levels,...
Patent Abstract: 
The SansEC sensor is an electrically open circuit without electrical connections. Having a device without circuits eliminates a common failure source of electrical systems. It consists of a uniquely designed thin-film electrically conductive geometric pattern that stores energy in both electric and magnetic fields. When wirelessly interrogated from the portable data acquisition system, the sensor becomes electrically active and emits a wireless response. The magnetic field response attributes of frequency, amplitude, and bandwidth of the inductor correspond to the physical property states measured by the sensor. Container damage, temperature, spoilage, or substance level is detected by changes in resonant frequency read by the accompanying magnetic field data acquisition system. A unique feature of the sensor is its ability to measure more than one physical attribute at the same time. In addition, by eliminating electrical connections, damage to any area of the sensor will not prevent it from being powered or interrogated.
The sensor can detect damage to the package or container -One sensor can be used for multiple measurements, including biological decay and temperature -Receives power wirelessly, eliminating the need for a sensor power source connection -Sends signals wirelessly to the data acquisition device, eliminating signal wiring -Sensor is a single electrical componentno wires, no electrical connections -Can be mass produced and is well suited for manufacture to a specific size -Can operate external to a package or container, protecting the sensor from damage by environmental elements
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