منابع مشابه
Battery - Powered RFID Deva
In this article, we compare the different types of batterypowered RFID tags that are available today and explore several emerging wireless standards that are candidates for active RFID tagging. We also present an active RFID platform we have developed and a supply chain application implemented on that platform. INTRODUCTION Passive (battery-less) RFID technology has been the primary candidate f...
متن کاملPower Management for RF-Powered vs. Battery-Powered Devices
The general goal of power management (PM) is to achieve optimal system performance while meeting power constraints. Minimizing the energy consumption is mostly not sufficient. Especially power management policies for battery-powered and RFpowered devices require a deep understanding of the supplies’ electrical characteristics. Thus, battery-aware PM aims to efficiently utilize the battery by re...
متن کاملRegulator Topologies For Battery-Powered Systems - AN660
Portable computers and digital assistants usually require more than one power supply. These devices may need an AC/DC adapter or battery charger, a high-voltage DC/AC converter for the backlight, and other supplies for lasers, cellular radio transmitters, and auxiliaries. Swapping components in a basic switching-regulator layout alters the circuit topology to create regulators that step up, ste...
متن کاملVibration Powered Battery-Assisted Passive RFID Tag
Real-time supply chain management, theft prevention, and environmental monitoring motivate the need for RFID systems. Battery-assisted RFID tags increase read range and reliability; however, batteries offer only a finite lifetime solution. Hence, an experiment in powering a battery-assisted passive RFID tag using ambient vibration energy was conducted. A piezoelectric power generator was design...
متن کاملDesign of a Battery-Powered Induction Stove
Many people in the developing areas of the world struggle to cook with stoves that emit hazardous fumes and contribute to green house gas emissions. Electric stoves would alleviate many of these issues, but significant barriers to adoption, most notably lack of reliable electric power, make current commercial options infeasible. However, a stove with an input power of 24V DC elegantly solves th...
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ژورنال
عنوان ژورنال: Heart
سال: 1991
ISSN: 1355-6037
DOI: 10.1136/hrt.66.2.117