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RFID-Läsare
Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE).
Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE).
2001 (Swedish)Independent thesis Basic level (degree of Bachelor)Student thesis
Abstract [sv]
Ett RFID-system består av en läsare och ett antal transpondrar. Transpondern består av en antenn och ett chip med sytemets modulationsprotokoll och minne. Läsaren sänder ut ett RF-fält och då det passerar genom transponderns antenn ger det upphov till en spänning över spolen som förser transpondern med energi. Informationen som finns lagrad i transpondern sänds sedan tillbaka till läsaren och identifieras där. A RFID system consists of two major components the reader and the tag which provide the user with a non-contact solution to uniquely identify people, assets, and locations. When a tag is brought into the reader's magnetic field, the recovered energy powers the integrated circuit, and the data is transmitted to a user in the format by the host computer. Radio Frequency IDentification (RFID) is the most advanced automated data capture, processing, and communications technology available today. RFID is an automatic identification technology, similar to bar code technology, with positive identification and automatic data transfer between a tagged object and a reader. Since the RFID tags are read by radio waves, instead of light waves (as with bar-codes) they will communicate through non-metallic materials such as paint, plastic, and dirt, and are impervious to vibration, light, water, and heat up to 100 degrees C in most cases.
Place, publisher, year, edition, pages
2001.
Keyword [sv]
RFID
Identifiers
URN: urn:nbn:se:hh:diva-9899Local ID: U4583OAI: oai:DiVA.org:hh-9899DiVA: diva2:365007
Uppsok
Technology
Note
Denna uppsats kan beställas från arkivet / This paper can be ordered from the archive. Kontakta / Contact: arkivet@hh.seAvailable from: 2010-11-09 Created: 2010-11-09Bibliographically approved

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