3D Time-of-Flight (ToF) sensors for consumer applications
Very exciting to recall that, the Lenovo Phab2Pro (smartphone) brings
totally new functionality based on the Google Tango Project. This project, a
collaboration including Infineon, pmd and Sunny Optical, has developed 3D ToF
sensors for consumer applications.
For those who are unfamiliar, the Phab2Pro implements this technology using
a tri-camera sensor. The subsystem features a 16 megapixel resolution CMOS
image sensor (CIS) from Samsung, a VGA resolution CIS with global shutter technology
from Omnivision, and a 38 kilopixel resolution 3D Image Sensor from the
collaboration between Infineon and pmd integrated into a subsystem with a NIR
vertical-cavity surface-emitting laser (VCSEL).
I can also observe that, to provide the 3D scene, the tri-camera's
high-resolution camera supplies the texture and the global shutter camera
supplies the motion-tracking. Finally, the ToF sensor supplies the depth
perception at a high rate thanks to the VCSEL emitter, which gives the phone
the ability to understand space and motion quickly, like a human.