Panasonic ToF Module Reverse Engineering

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SystemPlus publishes a reverse engineering report of Panasonic ToF module found in Vino Nex Dual Display smartphone:

"For 3D depth sensing, three approaches have been considered in consumer applications: active stereo vision (AS), structured light (SL) and Time-Of-Flight (ToF) sensing. SL was developed by Apple, which brought it to the market for the first time in 2017. It’s based on a complex system requiring several components, including a Global Shutter (GS) image sensor and a dot projector. The latter has been considered difficult and expensive to make due to the precision required. The ToF approach could be less complex and less expensive. You just need a ToF Image sensor and a flood illuminator to bring depth sensing to a system. In this field, only three known companies have solutions. In 2016, Infineon was the first to bring out its 3D ToF image sensor, developed with pmd, for the Google Tango Project. Today, Sony has the major share of the market with several design wins starting from low-end smartphones, such as the Oppo RX17 Pro in 2018, to high-end ones, such as the Samsung S10 5G and Huawei P30 Pro in 2019. This year, Panasonic has surprised the market with a new ToF Image Sensor in the Vivo Nex Dual Display."

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