Sentences with phrase «accelerometer measures»

A tiny accelerometer measures running distance and speed and reports the data back, in real time, via an Apple iPod, iTouch or, as of a few months ago, a small wristband.

Until very recently, impact sensors - accelerometers measuring the forces which, when transmitted to the brain, cause sports - related concussions - were only used by scientists in conducting research.

Accelerometers measured participants» physical activity for four days, providing data on each child's levels of sedentary, moderate, vigorous and moderate - to - vigorous physical activity.

Gyroscopes, magnetometers, and accelerometers measure roll, pitch, and yaw, as well as posture, balance and acceleration.

The accelerometers measure how the blades subtly twist and turn as they cut through the air.

The relationship between depressive symptoms and step count has only been assessed in specific populations with small sample sizes, such as low - socioeconomic status Latino immigrants, 16 elderly Japanese people17 or patients with chronic conditions such as heart failure18 19 or chronic obstructive pulmonary disease.20 21 Studies yield contradictory results, with some observing no association between depressive symptoms and daily step count, 19 21 while others report a negative correlation.16 — 18 20 In one cross-sectional sample of healthy older adults, an inverse association between depressive symptoms (using the Goldberg Depression Scale - 15) and accelerometer measured daily step count disappeared after controlling for general health and disability.22 While a systematic review suggests reduced levels of objectively measured PA in patients with depression, 23 it is not known whether this association is present in those at high risk of CVD and taken into account important confounding such as gender and age.

Not exact matches

Accelerometers, like those in the Nintendo Wii, measure the up - and - down, side - to - side movements.

S.M.T.H. (short for Send Me To Heaven) uses the phone's accelerometer sensors to measure how high the phone travels.

The Myo arm band includes the same motion sensors as modern smartphones — a gyroscope, accelerometer and magnetometer — to measure precisely how your arm moves through space.

In a blog post detailing the new experiment, Uber chief security officer Joe Sullivan writes that «gyrometers in phones can measure small movements, while GPS and accelerometers show how often a vehicle starts and stops, as well as its overall speed.»

Head impacts can be measured and quantified by accelerometers placed in the helmet, mouthguard or an adhesive patch, according to the player's preference.

They are the HD - R (research) version and are equipped with a gyro to measure rotation (this is an estimate since it is hard to do accurately) and a 3 - axis accelerometer to measure linear peak g (this is the standard measurement for head impacts).

When we were designing the mamaRoo, we actually put accelerometers on moms and measured the movements they made to soothe their children, and used that information to create the five motions of the mamaRoo.

The Head Case Impact Sensor monitors impact data by measuring G - force through an accelerometer in the device and recording all impacts as they occur.

The Head Case Impact Sensor measures impacts in G - force through an accelerometer and records every impact an athlete takes during sport.

«The device takes a picture of the street every second, which combines with accelerometer data, which measures the ride quality.

Researchers used accelerometers to measure the daily physical activity of participants, all of whom are in late middle - age and at high genetic risk for Alzheimer's disease, but presently show no cognitive impairment.

A more recent application used a whole fleet of smartphone sensors — including the gyroscope, accelerometer, light sensor and magnetism - measuring magnetometer — to guess PINs.

To solve this challenge, Kressmann and his team fitted the brush with a set of accelerometers that measure changes in motion in three dimensions and so calculate changes in brush angle of just a few degrees.

Ahead of the final tests, Barnes» team used an empty mock test object outfitted with accelerometers to measure the impact.

Movement is highly correlated with energy expenditure, so the accelerometers were a perfect way to measure that.

Researchers measured physical activity using accelerometers — small gadgets that monitor all movement throughout the day — alongside elements of physical function including balance, leg strength and walking gait.

Finally, to measure forces acting on his skull, the researchers mounted an inch - long accelerometer and gyroscope onto a small round tin and tied it all on top of Jeff's head with a black mesh do - rag that knotted securely under his chin.

That is because smartphones contain accelerometers that sense motion, gyroscopes that detect orientation, and some phones even have air pressure sensors, intended to measure altitude for climbers and skydivers.

The next generation of wearable accelerometers to measure physical impact during play will greatly enhance researchers» ability to confidently sort players of the same sport into groups based on exposure to subconcussions.

All youths wore helmets equipped with accelerometer arrays that measure head impacts in terms of acceleration.

The team has built a prototype using an off - the - shelf accelerometer, which measures motion, and a Bluetooth transmitter, which sends the vibration signal to the microphone in the user's device.

Schmedly also has an inner ear for balance, in the form of accelerometers that measure gravity and motion.

Physical activity was measured with accelerometers, special devices worn around the waist which recorded intensity of movement every 15 seconds.

For each of these events, the team compared the bot's performance both with and without wings, and with its wings flapping or still, all while measuring performance with accelerometers and cameras.

The children wore small accelerometers and global positioning system (GPS) devices to measure their activity levels and determine how much activity occurred outside the home but within the neighborhood.

Smartphones can easily measure movement caused by a quake because they have three built - in accelerometers designed to sense the orientation of the phone for display or gaming.

These include a printable and flexible gyroscope that measures rotational motion of the head and body balance and a printable and flexible 3 - D accelerometer that measures lateral head motion and body balance.

«They're angular accelerometers, measuring spin,» Walker says, «and naturally if you move slowly, the sensitivity of the system doesn't need to be as great as when you move acrobatically.»

Embedded in the wall of the hive, miniature accelerometers will measure the vibrations in the honeycomb caused by the bees» activity and the sounds they create.

The vibrations were measured with small accelerometers placed on the skin at various points of interest, such as at the foot, knee, shank and hip.

Using data from the GPS stations, an accelerometer that measures ground motion in Kathmandu, data from seismological stations around the world, and radar images collected by orbiting satellites, an international team of scientists led by Caltech has pieced together the first complete account of what physically happened during the Gorkha earthquake — a picture that explains how the large earthquake wound up leaving the majority of low - story buildings unscathed while devastating some treasured taller structures.

At room temperature, niobium does not superconduct, and accelerometers around the ring measured that it was spinning at a constant rate.

That's the idea behind Zamzee, an online game that rewards activity — as measured by an accelerometer — with points.

«We measure the actual motion of the heart via miniature accelerometers and gyroscopes that are already installed in today's smartphones,» said Mr Koivisto.

Similarly, an accelerometer for measuring barbell acceleration was found to display high but not perfect test - re-test reliability, with an ICC = 0.88 (Sato et al. 2012).

It includes 12 additional sensors, including an accelerometer at each corner to measure to wheel speed and there is now two pressure sensors per damper.

The ABC system has 13 body sensors, 4 level sensors, 3 accelerometers, and 4 pressure sensors that measure and...

Touch Cover has a built - in accelerometer that measures the force of your typing, which is meant to separate between your typing and accidental key touches or hand rest.

The Notion Ink smartpad measures 6.3 x 9.8 x 0.6 inches and weighs 1.7 lbs; as well as the triband (850 / 1900/2100) UMTS / HSDPA, WiFi b / g and Bluetooth 2.1 + EDR it also squeezes in A-GPS, a digital compass, accelerometer and proximity, ambient light and water sensors.

Its accelerometers are used to measure tilt, shock, vibration and acceleration in a range of mobile phones, automotive safety systems and video projectors.

Whistle's tracker also has an accelerometer that can measure your pet's activity levels, and it can even notify you if your pet leaves an area you've programmed in the app as «home.»

Using the straps that come with the console make them potentially the best controllers on the market in terms of VR, and they already have the accelerometers and gyroscopes, for measuring movement speed and angle.

Ergo, the accelerometer only measures the delta - gravity between where it is located and the CG.

The brake light feature uses an accelerometer and gyroscope to measure the movement of the cyclist, which automatically triggers the brake light when the rider is applying the brakes, and then «releases» the brake light when the bike speeds up again, which is a key missing element of the current bike light options on the market.