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  • Reliability optimization for multilayer active RFID tags ...

    The designed ultra-high frequency (UHF) active RFID tag consists of a thin film battery, a RF chip and an antenna, which provides many advantages, including small size, light weight, and ...

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  • Switchable disposable passive RFID vapour sensors from ...

    2.4. RFID tag design The UHF RFID antenna is derived from a half wavelength long dipole. By adding rectangular end-loading patches as indicated in Fig. 1, the overall length of the antenna is reduced by 50% and the bandwidth over which the antenna radiates efficiently is 170 MHz. The resultant antenna is 80 mm by 50 mm. CST Microwave Studio EM ...

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  • Printed Electromagnetic Coupler With an Embedded

    For demonstration, a fragmented tiny square UHF tag of dimensions of 5.5mm * 5.5 mm is designed for multi-band operation over the 433 MHz, 869 MHz and 915 MHz RFID bands, and a fragmented round ...

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  • A review: RFID technology having sensing aptitudes for ...

    2017-4-1u2002·u2002High frequency (HF) band has a popular frequency of 13.56 MHz, with a greater reading range and higher reading speed of tags than in the LF domain. Ultra high frequency (UHF) band is between 860 MHz and 960 MHz. UHF tags have a better read range and improved data transfer than in the previous frequency bands, but are impaired by water and metals.

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  • Flexible diodes for radio frequency (RF) electronics: a ...

    2017-10-30u2002·u2002Download figure: Standard image High-resolution image The seminal paper on RFID was published almost 70 years ago by an electronic engineer who foresaw the progression of radar 'on-off' technology to a more complicated radio wave communication through signal modulation [].However, a prerequisite for the emergence of the first applications was the maturity of microelectronics and …

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  • Paper-based silver-nanowire electronic circuits with ...

    2014-4-28u2002·u2002Here a facile, green and efficient printing-filtration-press (PFP) technique is reported for room-temperature (RT) mass-production of low-cost, environmentally friendly, high performance paper-based electronic circuits. The as-prepared silver nanowires (Ag-NWs) are uniformly deposited at RT on a pre-printed paper substrate to form high quality circuits via vacuum filtration and pressing. The ...

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  • Wearable Sensors for Remote Health Monitoring

    2017-1-12u2002·u2002Wearable devices can monitor and record real-time information about one's physiological condition and motion activities. Wearable sensor-based health monitoring systems may comprise different types of flexible sensors that can be integrated into textile fiber, clothes, and elastic bands or directly attached to the human body.

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  • PAPERS-Pervasive Electromagnetics Lab

    2021-10-6u2002·u2002This paper investigates a new sensing paradigm derived from the measurement of the phase of the electromagnetic signals that are backscattered from the tag in the UHF-RFID band. The main goal is to introduce a model of the phase response of antennas that are loaded by lumped sensitive materials.

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  • Intelligent Packaging - ScienceDirect

    2018-1-1u2002·u2002A variety of definitions for intelligent food packaging exists and some of them are presented in Table 8.1.The purpose of IP is to give indication on, and to monitor, the freshness of the food .The more precise definition of intelligent food packaging is given by Yam et al. and Restuccia et al. .IP is a packaging system that is capable of carrying out intelligent functions (such as detecting ...

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  • Flexible diodes for radio frequency (RF) electronics: a ...

    2017-10-30u2002·u2002Download figure: Standard image High-resolution image The seminal paper on RFID was published almost 70 years ago by an electronic engineer who foresaw the progression of radar 'on-off' technology to a more complicated radio wave communication through signal modulation [].However, a prerequisite for the emergence of the first applications was the maturity of …

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  • (PDF) Design of Chipless RFID Tags Printed on Paper by ...

    a 19-bit chipless tag based on a paper substrate can be realized. using the flexography technique, which is an industrial high-. speed printing process. The chipless tag is able to operate within ...

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  • PAPERS-Pervasive Electromagnetics Lab

    2021-10-6u2002·u2002This paper investigates a new sensing paradigm derived from the measurement of the phase of the electromagnetic signals that are backscattered from the tag in the UHF-RFID band. The main goal is to introduce a model of the phase response of antennas that are loaded by lumped sensitive materials.

    Get Price
  • China Tag Rfid Paper, Tag Rfid Paper Manufacturers ...

    Amongst the wide range of products for sale choice, Tag Rfid Paper is one of the hot items. Design engineers or buyers might want to check out various Tag Rfid Paper factory & manufacturers, who offer lots of related choices such as tag, printed label and contactless card. You can also customize Tag Rfid Paper orders from our OEM/ODM manufacturers.

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  • Final Exam Flashcards

    The Chinese were using wooden block presses as early as 600 c.e. and had movable clay type by 1000 c.e. A simple movable metal type was even in use in Korea in the 13th century. Gutenberg's printing press was a significant leap forward, however, for two important reasons. Gutenberg was a goldsmith and a metallurgist.

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  • Printed Electromagnetic Coupler With an Embedded Moisture ...

    For demonstration, a fragmented tiny square UHF tag of dimensions of 5.5mm * 5.5 mm is designed for multi-band operation over the 433 MHz, 869 MHz and …

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  • Paper-based silver-nanowire electronic circuits with ...

    2014-4-28u2002·u2002Here a facile, green and efficient printing-filtration-press (PFP) technique is reported for room-temperature (RT) mass-production of low-cost, environmentally friendly, high performance paper-based electronic circuits. The as-prepared silver nanowires (Ag-NWs) are uniformly deposited at RT on a pre-printed paper substrate to form high quality circuits via …

    Get Price
  • US20130285681A1 - Smart Package and Monitoring System

    There is provided a smart package and monitoring system having a status indicator and a method of making the same. The smart package includes an electronic sensor monitoring tag having re-usable electronic circuitry and power source along with a conductive grid printed on a thin flexible substrate and connected to the tag so the tag and grid are in electrical continuity to form a …

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  • Radiofrequency Identification and Surface Acoustic Wave ...

    2014-11-21u2002·u2002The food intelligent packaging (IP) technologies are reviewed with a particular emphasis on the possibilities of radiofrequency identification (RFID) and surface acoustic wave (SAW) technologies for developing the food IP concept. Passive RFID and SAW technologies are the more promising ones to achieve a food IP that can wirelessly communicate the food quality to the …

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  • US20120256732A1 - Systems, methods, and devices for ...

    In one embodiment the present invention comprises a smartphone and encoders for commissioning RFID transponders. The present invention further includes novel systems, devices, and methods for commissioning RFID transponders with unique object class instance numbers without requiring a realtime connection to a serialization database.

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