1、 /7811-82011 8 51,7 /(650 )ISO/IEC 7811-8:2008Identification cards Recording technique Part 8: Magnetic stripe Coercivity of 51,7 kA/m (650 Oe)(IDT) 27 2002 . 184- , 1.02004 . 1 - () 22 , 42 22 3 13 2011 . 1012-4 / 7811-8:2008 . . 8. . 51,7 / (650 )(ISO/IEC 7811-8:2008 Identification cards Recording
2、 technique Part 8: Magnetic stripe Coercivity of51,7 kA/m (650 Oe). - , 5 , - . () . - , , 2013 , - - II / 7811-820111 .12 .13 14 25 .35.1 .35.2 36 36.1 .36.2 .56.3 .56.4 / 56.5 .57 .67.1 67.2 .67.3 .68 89 .810 .811 .8 () .9III / 7811-82011 8 51,7 / (650 )Identification cards. Recording technique.Pa
3、rt 8. Magnetic stripe of coercivity of 51,7 kA/m (650 Oe) 201301011 / 7811 . 51,7 /(650 ) ( ), . , - / 7811-2. , . , . 51,7 / (650 ), . - . / 7811 , . , . - ./ 10373-2 , - , .2 -/7810.,. , .3 1): 4287 (GPS). . . , (ISO 4287, Geometrical Product Specifications(GPS) Surface texture: Profile method Ter
4、ms, definitions and surface texture parameters)/ 7810 . (ISO/IEC 7810,Identification cards Physical characteristics)1) , .1 / 7811-82011 / 7811-2 . . 2. . (ISO/IEC 7811-2, Identification cards Recording technique Part 2: Magneticstripe Low coercivity)/ 10373-1 . . 1. - (ISO/IEC 10373-1, Identificati
5、on cards Test methods Part 1: General characteristics)/ 10373-2 . . 2. (ISO/IEC 10373-2, Identification cards Test methods Part 2: Cards with magnetic stripes)4 /7810, :4.1 (primary standard): , - - , UR IR( RM7811-2).4.2 (secondary standard): , , ( RM7811-2). - - : Physikalisch-Technische Bundesans
6、talt, AG2.52 - Bundesallee 100, D-38116 Braunschweig, Germany.4.3 (unused un-encoded card): , , , -5 30 10 % 90 %, - 48 .4.4 (unused encoded card): 4.3, , - (, , , ).4.5 (returned card): 4.4 , - .4.6 (flux transition): ( -) .4.7 IR(reference current): , ( ), 80 % UR - 8 ./, 6.4.8 FR(reference flux l
7、evel): , IR.4.9 (test recording currents): , - 51,7 / (650 ), :Imin , 6,5 FR;Imax , 8,0 FR.4.10 Ui(individual signal amplitude): - .4.11 U(avarage signal amplitude): (Ui), (n) .4.12 (UR) (reference signal amplitude): , .4.13 ()(physicalrecordingdensity):- , , (./).4.14 (bit density): , - (/).4.15 (b
8、it cell): .4.16 (subinterval): () - .2 / 7811-820115 / 7810. , / 7811-2, 5. , ,-, ,., , .5.1 2,2 , , - 0,08 .5.2 , , 1, - , , - . , 19,05 . - , , .6 , / 7811-2, 6.6.1 , , 2.3 / 7811-82011 1 , 6.1.1 (. 3, 4 5). :-4a/W 4a/W. , (. / 7810) 20 , : 3A 3BW = 6,35 a c163 9,5 a c163 5,8 W = 10,28 a c163 15,4
9、 a c163 9,3 , (. / 7810) 20 , : 3A 3BW = 6,35 a c163 7,3 a c163 4,5 W = 10,28 a c163 11,7 a c163 7,3 4 / 7811-82011 1 2: a = 11,89 min 1, 2 3: a = 15,95 min 1 2 a b, 11 / 7811-2, - 2. , . 2 ID-1 3 6.1.2 h - :- 0,005 c163h c1630,038 . , , . h , .6.2 Ra 0,40 , (c. 4287).6.3 .6.4 / UUi 2000 . :U c1790,60 U Ui c179 0,80 U .6.5 UUi - / 10373-1. :U c179 0,90 U Ui c179 0,90 U .UUi ( 24 ) , , / 10373-1. :U c179 0,90 U Ui c179 0,90 U .5 / 7811-82011 4
