This small connected accessory that fits onto a regular white cane can help blind and visually impaired people move around more safely. This accessory detects all nearby obstacles, including those at head height, which generally go undetected with a standard white cane.
Ultrasonic
This navigation device assists blind and visually impaired swimmers
A product design student at Loughborough University has developed a navigation device that allows visually impaired competitive swimmers to train safely.
Samsung’s Ultrasonic Fingerprint Scanner Does What Apple Couldn’t Do
Prior to the launch of the Samsung Galaxy S10 series, there have been smartphones with in-display fingerprint scanners. However, this is the first time a smartphone features an in-display ultrasonic fingerprint scanner. This is because the ones before it are optical and not ultrasonic. Basically, it uses light to create a 2D image of your fingerprint. On the other ultrasonic type, sound waves is used to make a 3D structure of your finger offering more accuracy.
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