Copyright © 2005 Nomura Kazuya. All rights reserved.
For what is a blue diode used?
It is the green light which everyone thinks of.
L.E.D. is so durable that it doesn't need maintenance
Since maintenance of a signal was the police family's financial connections, many people thought that L.E.D. was not adopted as a signal light.
It is contrary to such anticipation and introduction is progressing gently on the main national ways of a metropolitan area.
Maintenance of the signal with which many injustice was revealed in the past also expects to become clearer.
The part will disappear in the darkness of a police family, supposing the cost of signal maintenance does not decrease.
Copy Right (C) Nomura Kazuya . All rights reserved.