J-chip product news Vol.7
February, 2007
Glad tidings from snow countries!!
The successful example of ski race from Japan and European countries pour in to J-chip. They could have obtained timing data of all of participants perfectly without any loss.
| From Japanese timer I.SAM in Sapporo | From European timer |
|---|---|
 27th Sapporo International Ski marathon No.of participants: 2,571 (3K-50K) |
 |
The main system did not have YAGI antenna(upper picture)
The back up system only had YAGI antenna. Buried trigger antenna and di-pole antenna in a plastic tube (Right side of picture) The chip detection was 100%.
The accuracy was in average about 5/100 of a second compared with a finish lynx camera.
Antenna configuration (Left side of upper picture) I.SAM measured timing without di-pole antenna.
| Before start line | : 4 YAGI antenna and buried trigger antenna of 15m width |
| 31.5K point | : 2 YAGI antenna and buried trigger antenna of 10m width |
| Finish line | : 4 YAGI antenna and buried trigger antenna of 15m width. |
 |
J-chip was fixed at ankle by strap in Japan and J-chip was fixed side of instep of a shoe in Europe. |