EETimes: Chronocam AS (Paris, France) is a 2014 spin-off of University Pierre et Marie Curie and University of Vienna. The startup is based on 15-year long research on asynchronous image sensors.
"The initial image sensor is QVGA resolution (320 by 240 pixels) with a pixel size of 30-microns on a side and sampling circuit alongside each pixel. The sensor is not clocked and does not send frames of data, said Christop Posch, chief technology officer. Each of the pixels in the array acts independently and sends information that is time-based. In addition, the pixel only sends information when there is a significant change. The result is scene-dependent data compression that results in time-continuous but sparse stream of events sent over an asynchronous data bus. Chronocam calls the technology CCAM EyeOT.
Combined performance figures include up-date speeds equivalent to 100k frames per second, a dynamic range of greater than 120dB. The video compression is a factor of 100 up from conventional image sensors and a power consumption of less than 10mW."
The first sensor uses UMC process, and has a size of 1cm by 0.8cm. The company is working on the pixel size reduction.
The company fundings include ones of €750,000 from Robert Bosch Venture Capital and CEA Investissement.