- Reproducing the frequency lighting of traffic signals at 50Hz-60Hz - Model change has been made. Comparison materials are also available.
Most traffic lights in Japan have a flashing cycle of 50Hz or 60Hz. Although the human eye cannot perceive this flicker, cameras can capture it. This can cause flickering and may also prevent the camera from accurately capturing what color the traffic light is displaying. With CMOS sensors, there can be instances where the areas that capture light when the light is off and when it is on coexist, resulting in a video that appears with black bands. This device is a light source that reproduces these effects. The lighting frequency can be set between 10 to 1500Hz, including 50Hz for the Kanto region and 60Hz for the Kansai region. The peak wavelengths of the Blue, Yellow, and Red LEDs used are set to the average wavelengths of traffic lights. In addition to being able to see the LED elements like in actual traffic lights, it is also possible to include a diffusion plate to emit light over a surface.
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basic information
It is possible to set the lighting frequency from 1 to 3000 Hz. The duty ratio can be set from 1 to 99.9%. For reproducing the irradiation environment due to voltage flicker. For more details, please refer to the brochure.
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Applications/Examples of results
You can use it to evaluate flicker when captured with a camera.
Line up（1）
| Model number | overview |
|---|---|
| FCV-1000-3C | Simulated Signal Machine |
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Company information
For more than half a century, Tsubosaka Electric has specialized in the development and manufacturing of precision inspection equipment for cameras, serving clients both in Japan and internationally. Our measuring instruments have played a vital role in enhancing camera quality since the days of film cameras, supporting camera manufacturers in their production and inspection processes. We offer a comprehensive lineup of inspection and measurement solutions, including: evaluation stable light sources (luminance boxes), shutter testers, electronic collimators, aperture area meters, lens testers, and strobe testers, etc. From hardware design to software development, our products are developed entirely in-house to ensure seamless integration and top-tier performance. Recognized for our manufacturing excellence, we are ISO 9001 certified and trusted by major camera manufacturers worldwide. Our expertise also extends beyond the camera industry, and we also can develop optical measuring instrument for advanced medical devices and autonomous driving where they use proprietary optical sensing technology. Additionally, our contrast testers used to measure the contrast values of resist inks in LCD color filters that are contributing to the advancement of high-definition and high-contrast TVs and monitors across the globe. At Tsubosaka Electric, we pride ourselves on flexibility and innovation. We offer a wide range of customizable measurement solutions and are happy to accommodate special orders tailored to your specific requirements. Please feel free to consult with us.