Next-Gen ToF Sensor Can Go The Distance

by Mat Dirjish

Toppan and Brookman Technology describe their hybrid next-generation Time-of-Flight (ToF) sensor as the industry’s first CMOS-process ToF sensor to measure distances up to 30 meters (m). Reportedly, the sensor is capable of measurement over a range more than five times greater than that possible with 3D sensors employing a conventional indirect ToF method.

The component also integrates a unique ambient light cancelling function. According to its makers, it’s the first CMOS image sensor capable of measuring distances up to 20m under conditions with an illuminance of 100,000 lux, equivalent to mid-summer daytime brightness.

Example of results of indoor distance measurement using the new hybrid ToF sensor. Distances from one meter to 30 meters within the same field of view are represented by different colors.

In addition to greater range, other features of the hybrid ToF sensor include imaging speeds up to 120 frames per second and simultaneous operation of as many as 256 cameras. A unique control technique makes it possible to cancel out signals from other cameras by treating them as ambient light. This means users can operate up to 256 cameras simultaneously without interference between cameras.

For more details, visit the Toppan website. For even greater enlightenment, take a look at the Brookman Technology website.

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