rfid handbook fundamentals and applications in contactless smart cards and identification second edition phần 4 pps

... identification (RFID) products and electrical engineering students, covering industry standards and regulations, algorithms, applications, and more. Table of Contents RFID Handbook? Fundamentals and Applications ... appears in print may not be available in electronic books. Library of Congress Cataloging -in- Publication Data Finkenzeller, Klaus. [RFID Handbuch. Engl...

Ngày tải lên: 14/08/2014, 11:21

... (4. 33) and thus obtain the following equation for the circuit in Figure 4. 13: (4. 34) Multiplying out the denominator: (4. 35) We now solve this equation for H eff and obtain the value of the ... be: (4. 49) Impedance Z 2 represents the parallel connection of C 2 and R L in the transponder. We replace Z 2 with the full expression containing C 2 and R L and thus...

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... equation (4. 90) into equation (4. 88) and obtain: (4. 106) We now replace U 0 in equation (4. 82) by the right-hand expression in equation (4. 106) and finally obtain (PALOMAR, 18000): (4. 107) where ... by contactless smart cards for local public transport applications, which carry out authentication with the reader within a few 100 ms and must also transmit booking...

Ngày tải lên: 14/08/2014, 11:21

... 330. Table 5.7: RFID applications Frequency bandPowerComment 244 6– 245 4 MHz500 mW EIRP 4W EIRP 100% duty cycle <15% duty cycle; only within buildings Relevant harmonised standards: EN 300 44 0. This ... GHz100 mW EIRP 244 – 246 GHz10 mW EIRP Relevant harmonised standards: EN 300 220, EN 300 330, EN 300 44 0. 5.2.1.2 Annex 4: Railway applications Annex 4 describes frequen...

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... 9.8. Table 9 .4: Available standards for contactless smart cards StandardCard typeApproximate range ISO 10536Close coupling0–1 cm ISO 144 43Proximity coupling0–10cm ISO 15693Vicinity coupling0–1 m Figure ... Close coupling smart cards The ISO standard 10536 entitled &apos ;Identification cards — contactless integrated circuit(s) cards& apos; describes the structure and opera...

Ngày tải lên: 14/08/2014, 11:21

... microprocessors will become increasingly common in applications using contactless smart cards in the near future. Instead of the inflexible state machine, the transponder in these cards incorporates a microprocessor. Industry ... from and to a reader and thereby automatically performs the necessary coding or decoding of the data stream according to the specifications i...

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... coil is produced using an automatic winding machine. The copper wire used is given a coating of low-melting point baked enamel in addition to the normal insulating paint. The winding tool is heated ... the melting point of the baked enamel during the winding operation. The enamel melts during winding and hardens rapidly when the coil has been removed from the winding tool, causing the...

Ngày tải lên: 14/08/2014, 11:21

... Dominik (1998) Contactless smart card standards and new test methods, in: Smart Card Technologies and Applications — Second Workshop on Smart Card Technologies and Applications, IEEE Tagungsband, ... RFID on the internet A collection of links to RFID companies and further interesting pages on this subject is available at the following internet addresses: http:/ /rfi...

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... generator coil 262, 41 4 interface circuit 41 7 Field line magnetic 84 Field strength 142 magnetic 61 maximum 65 path of 64 Floating gate 299 FRAM 300 write time 302 Frame 2 54 Frame antenna 32 Free ... µH Conductor loop in the layout U174HC4 040 Asynchronous 12-bit binary counter U274HC74Dual D flip-flop U374HC0 04 × NAND U474HC0 34 × NAND, Open Collector This document was created...

Ngày tải lên: 14/08/2014, 11:21

... Family of (contactless and contact) smart cards, with the applicable standards Figure 9.9: Position of capacitive (E1–E4) and inductive coupling elements (H1–H4) in a close coupling smart card Figure ... A contactless terminal is shown in communication with a contactless smart card in the centre of the picture (reproduced by permission of Intec) Figure 13.6: Contactl...

Ngày tải lên: 14/08/2014, 11:21