Image sensor chip makes compact AR smartphones a reality

Posted By : Alice Matthews
Image sensor chip makes compact AR smartphones a reality


In ASUS's newest Augmented Reality (AR) smartphone, the REAL3 image sensor chip from Infineon Technologies plays a key role. The mobile device was launched at International CES 2017 (International Consumer Electronics Show) in Las Vegas. 

The company claims that the ASUS Zenfone AR is the world’s thinnest smartphone that offers a 3D Time-of-Flight (ToF) camera for 3-dimensional perception of its surroundings in real-time.

AR enriches the perception of the real environment with written text as well as virtual objects that are embedded in correct scale and realistic perspective. For instance, these virtual objects may be animated animals or domino bricks in gaming applications. Projecting virtual furniture into a real home environment before ordering items at an online store is another application example. Besides consumer applications, AR can also be used in industrial manufacturing for maintenance of complex equipment and construction.

Both, the Infineon REAL3 image sensor and the ASUS Zenfone AR smartphone are on display at the Infineon CES booth MP25265 in South Hall 2 of the Las Vegas Convention Centre.

Time-of-Flight provides accurate and robust depth data
The REAL3 image sensor chip is the key component of the world’s smallest 3D camera module for smartphones. It is based on the Time-of-Flight (ToF) principle and measures the time the infrared signal takes to travel from the camera to the object and back again. The elapsed time is called 'time of flight'. Compared to other 3D sensing principles, ToF offers advantages in performance, size and power consumption of battery-operated mobile devices.

ASUS' newest smartphone is less than 9mm in height. It demonstrates that the REAL3 camera module which has a total height of 5.9mm is fully compatible with even the smallest smartphone form factors. Another winning characteristic of the 3D camera module is its low power consumption: it requires less than 150mW during operation which can be easily delivered by the Zenfone AR’s 3,300mAh battery. The ASUS Zenfone AR smartphone is expected to hit the stores later this year.

“3D scanning with semiconductors from Infineon helps to interconnect the real and virtual worlds,” said Martin Gotschlich, Director, 3D Imaging at Infineon Technologies. “Mobile devices with an integrated 3D image sensor have spatial awareness of their surroundings and the capability for augmented reality applications with an impressive realistic quality. They pave the way for numerous applications and innovations that were not previously possible.”

Coming strong: Augmented Reality in smartphones
Today, AR is in an early introduction phase representing a niche market. It will be up to smartphone users to identify applications that they desire in the course of their daily life. This may realise a huge business potential: just the premium segment of smartphones is rated to be more than 400 million devices sold each year. Currently, already four of the top five camera module makers for mobile devices and smartphones are actively working on camera module designs using Infineon’s REAL3 image sensor. Two of them are already delivering devices in volume quantities. These module designs are inspired by the leading ToF camera reference designs by the company pmdtechnologies.

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Vietnam International Defense & Security Exhibition 2020
4th March 2020
Vietnam National Convention Center, Hanoi