Warning Lamp on Railroad Crossing at the Western End of Tokyu Okusawa Station
This is a warning lamp on Okusawa No.1 Railroad Crossing. It is a type of warning light that can be seen from any directions. What is interesting is that the lighting part of the device is not LEDs or a light bulb, but transparent acrylic plates with many holes. The vertical red line is the cross section of the acrylic board. LEDs should be placed at the top or bottom of the device, and the light is guided through a transparent plate and scattered by holes.
Warning Lamp on Railroad Crossing at the Western End of Tokyu Okusawa Station
This is a warning lamp on Okusawa No.1 Railroad Crossing. It is a type of warning light that can be seen from any directions. What is interesting is that the lighting part of the device is not LEDs or a light bulb, but transparent acrylic plates with many holes. The vertical red line is the cross section of the acrylic board. LEDs should be placed at the top or bottom of the device, and the light is guided through a transparent plate and scattered by holes.