Radio frequency identifier antennas

UV curable flexo ink for RFID antennas Radio frequency identification (RFID) devices and contactless smart cards are capable of uniquely identifying an individual or object when they are interrogated by an external radio frequency signal. Recently, a process of printing with the use of UV curable conductive flexo inks has been introduced. The inks are based on polyfunctional acrylates with silver flakes added for the electrical conductivity. The advantages of these inks are ... 

Mass-produced tire-pressure monitoring systems perform these functions by using battery-powered wheel electronics that are able to measure the air pressure and temperature inside the tire. Together with coded information for individual wheel identification and data about battery lifetime, these values are transmitted as radio frequency data messages to an RF antenna mounted in the wheel arch. The data messages are sent independently by all the wheel electronics in a certain time-slot pattern or extracted on demand by using a transmission trigger. A central control unit evaluates the data, identifies the tire, and decides whether the driver should be informed. Each tire is monitored separately. The related air pressure is converted to the standard pressure by means of a temperature characteristic. 

The integration of antenna diffusion, reducing identifiable Radio Frequency hot-spots and improving signal connection ... 

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