Identification Systems
English, Revision 02, Date: 20.01.2015
7
Figure 4
Core area of the reading antenna with explanation of the positioning pulse
(viewed from the top)
In both reception ranges the code of the transponder is read. In order to additionally
generate a positioning pulse, the transponder has to have moved through area I first.
The maximum offset for this is defined by line C. In this case the positioning pulse is
generated as soon as the transponder passes the border to the date-free range D.
Since both reception ranges have curved contours, the point at which the positioning
pulse is generated shifts according to the offset of the transponder from line A (center
variation).
l
NOTE!
You can find the absolute values applying to the reading antenna
in the Technical Data in section 5 on page 29.
Direction of travel F
L
Line C
Offset (Z)
Line A
Transponder
Area II
Area I
Activation of the positioning pulse (dependent on the direction of travel F and the offset from line A)
D
Reading
antenna
B
F
F
