Scientists Create Ultrasonic Speaker and Microphone Using Graphene


American researchers found another great application of the wonder material graphene. University of California, Berkeley, physicists have used graphene to build lightweight ultrasonic loudspeakers...

New Ultrasonic Fingerprint Sensor is Hard to Spoof


Fingerprint sensor technology currently used in smartphones like the iPhone 6 produces a two-dimensional image of a finger's surface, which can be spoofed fairly easily with a printed image of the...

3D Printing and Ultrasound Help Blind Pregnant Moms Touch Their Unborn Babies

Here’s a pair of wonderful stories that were made possible with the help of 3D printing. As part of its new ad campaign in Brazil, diaper brand Huggies helped two blind expectant mothers “see” their unborn children by printing 3D models of the babies based on their ultrasound scans.

3d_printed_ultrasound_fetus_baby_huggies_1zoom in

Get a box of tissues and meet Tatiana…

…and Marcia.

Awwww. According to C|NET, a company called 3D Babies does pretty much the same thing, and can even print the entire fetus. We live in magical times.

[via C|NET]

Handycam for the Mummy’s Tummy

It’s very difficult to envision proper medical care in poverty stricken places. The Mobile Ultrasound is a portable device to help expectant mothers learn more about their babies. The device has been given a refreshing makeover, allowing formidable looking medical products to look and behave more like consumer electronics. About time, right?

Designer: Seojun Park

Author: Sarang Sheth

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(Handycam for the Mummy’s Tummy was originally posted on Yanko Design)

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Multi Layer Interaction Uses Ultrasound to Detect Midair Gestures: Leap Mobile

One of the Moto X’s convenient features is that you can wave your hand over it to toggle certain apps, such as silencing a call or an alarm or simply to wake the screen. Elliptic Labs’ Multi Layer Interaction technology enables what appears to be a more advanced form of Moto X’s touch-less gesture recognition.

ultrasound multi layer interaction by elliptic labs 620x393magnify

Unlike the Moto X or the Leap Motion, which both depend on infrared LEDs and cameras, Multi Layer Interaction uses ultrasound speakers and microphones to detect gestures. According to Elliptic Labs, its technology has a 180º range and consumes less power than camera-based sensors. This enables gesture detection not just directly over the phone but even above, below or from either side of the device and from up to 20″ away, giving users more leeway. It also allows for distance-based gestures, as you’ll see in the video below.

I think touchless gestures could someday eliminate physical buttons on mobile devices, but on the other hand I can’t help but think of my phone’s poor battery.

[via Elliptic Labs (pdf) via Ubergizmo]

Elliptic Labs releases ultrasound gesturing SDK for Android, will soon integrate into smartphones

Elliptic Labs releases ultrasound gesturing SDK for Android, will soon integrate into smartphones

Elliptic Labs has already spruced up a number of tablets by adding the ability to gesture instead of make contact with a touchpanel, and starting this week, it'll bring a similar source of wizardry to Android. The 20-member team is demoing a prototype here at CEATEC in Japan, showcasing the benefits of its ultrasound gesturing technology over the conventional camera-based magic that already ships in smartphones far and wide. In a nutshell, you need one or two inexpensive (under $1 a pop) chips from Murata baked into the phone; from there, Elliptic Labs' software handles the rest. It allows users to gesture in various directions with multiple hands without having to keep their hands in front of the camera... or atop the phone at all, actually. (To be clear, that box around the phone is only there for the demo; consumer-friendly versions will have the hardware bolted right onto the PCB within.)

The goal here is to make it easy for consumers to flip through slideshows and craft a new high score in Fruit Ninja without having to grease up their display. Company representatives told us that existing prototypes were already operating at sub-100ms latency, and for a bit of perspective, most touchscreens can only claim ~120ms response times. It's hoping to get its tech integrated into future phones from the major Android players (you can bet that Samsung, LG, HTC and the whole lot have at least heard the pitch), and while it won't ever be added to existing phones, devs with games that could benefit from a newfangled kind of gesturing can look for an Android SDK to land in the very near future.

Mat Smith contributed to this report. %Gallery-slideshow99597%

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Source: Elliptic Labs