rfid handbook fundamentals and applications in contactless smart cards and identification second edition phần 1 ppt

... identification (RFID) products and electrical engineering students, covering industry standards and regulations, algorithms, applications, and more. Table of Contents RFID Handbook? Fundamentals and Applications ... characteristics. In practice, these are fingerprinting and handprinting procedures, voice identification and, less commonly, retina (or iris) identifi...

Ngày tải lên: 14/08/2014, 11:21

... frequency f increases, the required coil inductance of the transponder coil, and thus the number of windings n decreases (13 5 kHz: typical 10 0 10 00 windings, 13 .56 MHz: typical 3 10 windings). Because ... cm ~1 mA4 /13 .56 MHz Goods flow ASIC#625 610 0 cm 500 µA 12 5 kHzAccess check ASIC#720480.3 cm< ;10 mA4. 91 MHz [*] Contactless chip cards ASIC# 810 2 410 cm ~1 mA13.5...

Ngày tải lên: 14/08/2014, 11:21

... by contactless smart cards for local public transport applications, which carry out authentication with the reader within a few 10 0 ms and must also transmit booking data. Contactless smart cards ... (m) < 13 5 kHz>2222>353 6.78 MHz44.77 .1 13.56 MHz22 .13 .5 27 .12 5 MHz 11. 01. 7 The field strength path of a magnetic antenna along the coil x axis follows the rel...

Ngày tải lên: 14/08/2014, 11:21

... -3dB/Ok 11 9 13 5 kHz 59.750–60.250 kHz 42 dB µA/m @ 10 m 70 11 9 kHz 6765–6795 kHz 42 dB µA/m @ 10 m 7400–8800 kHz 9 dB µA/m EAS systems 13 .553 13 .567 MHz 42 dB µA/m @ 10 m(9 dBµA/m @ ± 15 0 ... upper and lower sideband. 6.2 .1 Amplitude shift keying (ASK) In amplitude shift keying the amplitude of a carrier oscillation is switched between two states u 0 and u 1 (k...

Ngày tải lên: 14/08/2014, 11:21

... data in the reader1X1X001X Possible serial number A1 010 0 010 Possible serial number B *10 100 011 Possible serial number C *10 110 010 Possible serial number D *10 110 011 Possible serial number E 111 00 010 Possible ... E 111 00 010 Possible serial number F *11 100 011 Possible serial number G 111 10 010 Possible serial number H 111 10 011 Bit 6 is the highest value bit at which...

Ngày tải lên: 14/08/2014, 11:21

... code 012 7 88–96Laden weight 10 0 kg19500 97 10 3Tare weight 10 0 kg099 10 4 10 5Reserve——— 10 6 11 7Security——— 11 8 12 3Data format code ——— 12 4 12 5Check sum——— 12 6 12 7Data frame end ——— This document was created ... sequences 11 11 and 10 10, the supply of an external data stream (jumper 10 ) is also possible. The test smart card thus supports both procedures for...

Ngày tải lên: 14/08/2014, 11:21

... 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

... 3- 519 -0 010 6-3 Berger, Dominik (19 98) Contactless smart card standards and new test methods, in: Smart Card Technologies and Applications — Second Workshop on Smart Card Technologies and Applications, ... assurance and for tracing the origin of animals. The required unified data transmission and coding procedures are provided by the 19 96 ISO standards 11 784 a...

Ngày tải lên: 14/08/2014, 11:21

... Directive 17 0, 17 7, 406 R&TTE homepage 17 7 Radar cross-section 11 7 RADAR technology 49, 11 7 Radiation density 11 5, 11 7 Radiation pattern 11 9 Radiation resistance 12 1, 12 5, 12 8, 14 0 Radio service 16 1 Radio ... Thanks. Index F Fahrsmart 349 False alarm rate 266 Far field 11 2, 16 7 FCC Part 15 17 9 FCC regulation 17 9 FDMA 2 01, 204 FDX 11 , 40 FDX-B transp...

Ngày tải lên: 14/08/2014, 11:21

... Heilbronn) Figure 11 .17 : Connection of an antenna coil using 50 O technology Figure 11 .18 : Simple matching circuit for an antenna coil Figure 11 .19 : Reader with integral antenna and matching circuit (MIFARE®-reader, ... current i 1 = 1A, antenna diameter D = 15 cm, number of windings N = 1) Figure 9 .12 : Modulation procedure for proximity coupling smart cards in accord...

Ngày tải lên: 14/08/2014, 11:21