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2021-6-30u2002·u2002Ultra-high frequency (UHF) radio frequency identification (RFID) tags with an antenna made of a highly flexible graphene assembly film (GAF) is presented. The superb electrical conductivity (∼1.6 × 10 6 S m −1) of the GAF results in the tag to reach reading range of ∼12 m, which is comparable to that of the commercially available ...
Get PriceThe design of an ultrahigh-frequency (UHF) radio-frequency identification (RFID) reader antenna covering an electrically large near-field area is challenging for near-field UHF RFID applications.
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Get PriceIt RFID equipments mainly depends on magnetism supports UHF frequency region around the center coupling of loop antenna and in this case, the operating frequency of 915 MHz. distance is very near, generally within 1 m. So this system only could identify low speed target.
Get PriceAnother group of growing interest contains semi-passive RFID transponders equipped with built-in an extra supply source (e.g., lithium battery which are exchangeable or not), (Figure 1 b).Generally, additional power obtained from the battery is used to enlarge the integration zone (IZ) [], but it can also be used to power supplementary functions implemented in tags (Figure 1 c), such as ...
Get Price1 Introduction. In the era of Industry 4.0, Radio-Frequency Identification (RFID) systems are emerging as one of its essential components (Trappey et al., Reference Trappey, Trappey, Govindarajan, Chuang and Sun 2017).RFID-based systems use radio-frequency electromagnetic fields for data exchange without line-of-sight interactions making them valuable for tasks …
Get Price2021-10-27u2002·u2002Only RFID Journal provides you with the latest insights into what's happening with the technology and standards and inside the operations of leading early adopters across all industries and around the world. To stay informed and take advantage of all of the unique resources RFID Journal offers ...
Get Price2002-11-17u2002·u2002Just as your radio tunes in to different frequency to hear different channels, RFID tags and readers have to be tuned to the same frequency to communicate. RFID systems use many different frequencies, but generally the most common are low- (around 125 KHz), high- (13.56 MHz) and ultra-high frequency, or UHF (850-900 MHz).
Get Price2009-7-29u2002·u2002RFID (Radio Frequency Identification) systems are one of the most pervasive computing technologies with technical potential and profitable opportunities in a diverse area of applications. Among their advantages is included their low cost and their broad applicability. However, they also present a number of inherent vulnerabilities. This paper develops a …
Get PriceUS20060180647A1 US11/056,554 US5655405A US2006180647A1 US 20060180647 A1 US20060180647 A1 US 20060180647A1 US 5655405 A US5655405 A US 5655405A US 2006180647 A1 US2006180647 A1 US 2006180647A1 Authority US United States Prior art keywords rfid information car wash user Prior art date 2005-02-11 Legal status (The legal …
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