Radio Frequency Identification Card Research Articles

Design of RFID Card Reading System

In this paper, a designing method of RFID (Radio Frequency Identification) card reading instrument is introduced in detail, and the hardware structure and principle are expounded. By using HY-502 which is a RFID module and LPC2368 which is an ARM core controller, the RFID card information is received and translated to computer by RS232 or USB interface. With the corresponding computer application and database, the card information could be achieved and displayed. The instrument has good prospects in schools, transport, supermarkets, logistics and other fields.

Insights from the conduct of a device trial in older persons: low magnitude mechanical stimulation for musculoskeletal health

Osteoporosis is a common complication of aging. Alternatives to pharmacologic treatment are needed for older adults. Nonpharmacologic treatment with low magnitude, high frequency mechanical stimulation has been shown to prevent bone loss in animal and human studies. The VIBES (Vibration to Improve Bone Density in Elderly Subjects) study is a randomized, double-blind, sham-controlled trial of the efficacy of low magnitude, high frequency mechanical stimulation in 200 men and women aged 60 years and older with bone mineral density T-scores by dual X-ray absorptiometry between -1 and -2.5 at entry. Participants are healthy, cognitively intact residents of independent living communities in the Boston area who receive free calcium and Vitamin D supplements. They are randomly assigned to active or sham treatment and stand on their assigned platform once daily for 10 min. All platforms have adherence data collection software downloadable to a laptop computer. Adverse events are closely monitored. 174 participants were randomized and will be followed for 2 years. Almost all active subjects have attained 1 year of follow-up. Bone mineral density is measured by both dual X-ray absorptiometry and quantitative computed tomography at baseline and annually. The main analysis will compare mean changes from baseline in volumetric bone density by quantitative computed tomography in active and sham groups. Adherence and treatment effect magnitude will also be evaluated. Secondary analyses will compare changes in two biochemical markers of bone turnover as well as longitudinal comparisons of muscle and balance endpoints. The VIBES trial has completed its first year of data collection and encountered multiple challenges leading to valuable lessons learned about the areas of recruitment from independent living communities, deployment of multiuser mechanical devices using radio frequency identification cards and electronic adherence monitoring, organization of transportation for imaging at a central site, and the expansion of study aims to include additional musculoskeletal outcomes. These lessons will guide future investigations in studies of individuals of advanced age.

Electromagnetic Measurements for Counterfeit Detection of Radio Frequency Identification Cards

We investigate a technique for counterfeit detection of high-frequency radio frequency identification (RFID) cards based on the electromagnetic characteristics of the cards rather than the digital information that they transmit. We describe a method of quantifying the electromagnetic signature of an RFID card and identify a small set of features that is sufficient to correctly classify a test set of cards. Furthermore, we show that our measurements indicate that the features most useful for distinguishing cards are contained within the reader inquiry rather than the card response, a reflection of the near-field coupling nature of the RFID transactions in ISO 14443.

Characterization of Zinc Oxide and Pentacene Thin Film Transistors for CMOS Inverters

We fabricated both thin film transistors (TFTs) and diodes using zinc oxide (ZnO) and pentacene, and investigated their basic characteristics. We found that field-effect mobility is influenced by the interface state between the semiconductor and dielectric layers. Furthermore, the complementary metal oxide semiconductor (CMOS) inverter using a p-channel pentacene field-effect transistor (FET) and an n-channel ZnO FET showed a relatively high voltage gain (8 - 12) by optimizing the device structure. The hybrid complementary inverters described here are expected for application in flexible displays, radio frequency identification cards (RFID) tags, and others.

Design and Implementation of an Effective Hospital System Based on an RFID and Web Service Technology

OBJECTIVE: Currently hospitals are working hard to make their hospital stand out from the rest in the medical market. The government is trying to hard to resolve the problem in regards to false claims for treatment expenses through issued medical prescriptions. There is a known limit to 1:1 service which needs much improvement. This proposed system will help prevent fake medical prescriptions from being issued. METHODS: In order to provide distinguished medical services for the next generation, we have designed and implemented a system that applies the Radio Frequency Identification standard, web services and mobile technology. RESULTS: In the proposed system, the Radio Frequency Identification card is issued to the patient and the hospital system can automatically recognize the patient and a simple SMS message will be sent. Through this method of communication 1:1 customer service can be accomplished. By applying the web services technology, any pharmacy can use the saved medical prescription code contained in the Radio Frequency Identification tag. This in turn resolves the systematic problems with illegal usage. CONCLUSION: Through this proposed system, we offer the functionality of easily applying the Radio Frequency Identification technology to various medical fields. By using a mobile device, it is possible to collect bio data remotely about a patient.

EasyRide: active transponders for a fare collection system

The EasyRide ticketing system relies on radio frequency identification cards or tags to monitor passenger access to public transportation. Cards equipped with a miniature radio communication module identify passengers and record the information necessary to collect fares. Passengers equipped with an electronic card can board vehicles without prior ticket purchase. Equipment installed on each vehicle automatically detects the card and registers the passenger's entry and exit locations. The collected data, which contains the card and vehicle identification, stop names, and time stamps, is then forwarded from the vehicle to a fare calculation and billing system. Passengers only need to carry the card in their pockets or luggage during the trip, and the whole access control process is executed unnoticeably.