A Survey of Recent Patents on Radio Frequency Identification Systems and Applications
The generic term radio frequency identification system has become important of late for its huge potential in business applications. These wireless systems usually have two parts, a tag and a reader, that can communicate with each other by using radio frequency energy even at a moderate distance. Since such systems work with non contact as well as non line of sight principle, they have already started replacing the common identification systems such as bar codes. This paper provides an overview of certain recent radio frequency identification systems and applications patents. An important patent in this field is also discussed at length. The current development constraints as well as a few key future development trends are also mentioned.
Keywords: Radio frequency identification, tags, readers, wireless communication systems, devices, networks, applications
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