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Стартап

DateDate: 8-04-2018, 07:53

A self-charging camera is not an innovation. As early as 2015, it was invented by specialists from Columbia University, but it was possible to reduce it to almost invisible dimensions only now. Engineers from the University of Michigan argue that their miniature invention can be placed anywhere.
Initially, the scientists faced a problem: how to combine two sensors in a small case, one of which stores energy, and the second records its number. It turned out that the photosensitive diodes pass a part of the received light, so the sensors were placed under each other.
The result is a chip with a built-in camera, whose length is 860 micrometers, and width - 660. On a sunny day, which scientists estimate at 60,000 lux (unit of measurement of illumination), this device shoots a picture at a rate of 15 frames per second. In normal lighting, equal to 30 thousand lux, the frequency drops to seven and a half frames per second.
Scientists claim that they were interested in the very concept of invention. "We took care of proving the idea, so we did not optimize the energy consumption of the sensor itself," said one of the authors of the work of Sung-Yun Park. According to him, improving the frame rate or reducing the required number of suites will not be difficult.
The inventors emphasized that the miniature design, which includes a tiny processor, an integrated power collection tool, a wireless transmitter and the camera itself, will allow the device to be placed on virtually any surface. In the absence of damage, it will last a long time, recharging from the light sources.