J-chip product news Vol.7
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.