Amazon Echo’s built-in ultrasonic motion sensing can let you easily automate lights and fans with Alexa routines, without buying anything else.

In order for the use of ultrasonic beacons to be permissible on Android devices, app developers have to disclose to users that the apps will be using their cellphone microphones for that purpose.

The options when specifying sensors for long-range object detection or positioning usually boil down to two alternatives: optical sensors using either infrared or visible-red light and ultrasonic ...

Proximity sensors that use ultrasonic sound waves calculate distance to an object using the time it takes to receive the echo from an ultrasonic burst.

Google has just launched the new Pixel 9 series and the core series includes an upgraded ultrasonic fingerprint sensor.

Murata has introduced a new ultrasonic sensor device (MA48CF15-7N) for automotive applications, which has high-sensitivity and rapid responsiveness.

Qualcomm has partnered with Katouzian to announce the world's first 3D ultrasonic in-display fingerprint sensor for mobile devices. Here's what you need to know!

The ultrasonic sensor module can map out that data to form a detail-rich 3D image of your fingerprint. The soundwaves can also detect your blood flow, and would reject a print from a severed finger.

Digital Trends talks to the company using ultrasonic technology to put virtual camera controls on the side of a smartphone, for better ergonomics.