The person's breathing rate is measured by detecting the rise and fall of his chest.
It calculated breathing rate by measuring the amount of carbon dioxide exhaled with each breath.
ENGADGET: Researchers use wireless network to monitor breathing, could save lives
Breathing rate will suddenly increase, and become more shallow.
FORBES: What Does Passion Look Like? - Body Language Quick Takes #5
In a new study, Patwari showed a network of 20 wireless transceivers placed around a hospital bed could reliably detect breathing and estimate breathing rate to within two-fifths of a breath per minute based on 30 seconds of data.
ENGADGET: Researchers use wireless network to monitor breathing, could save lives
They monitored my heart rate, breathing, skin sweat level, eye movements and body orientation while I watched a series of videos.
FORBES: This Is Your Brain On Buzzfeed: The Science Of Viral Content
Her heart rate, breathing and other vital signs were measured continuously.
WSJ: Hypothermia Cure for Babies: Cooling Infants to Battle Brain Damage
Each device plugs into Apple's iPad, iPhone or iPod Touch, and digitally monitors heart rate and breathing patterns, offering on-screen coaching to get you into a calmer zone.
WSJ: Review of Tink�� and HeartMath Inner Balance Sensor for iOS
CO2 can build up in confined spaces and high levels of CO2 can produce a variety of health effects that can affect sleep, like headaches, dizziness, restlessness, difficulty breathing, increased heart rate and sweating.
FORBES: French Connected Device Company Brings Smart Scales to CES
The study found the wireless network could measure breathing within 0.4 to 0.2 breaths per minute, an insignificant error rate given that most breathing monitors round to the nearest breath per minute, he says.
ENGADGET: Researchers use wireless network to monitor breathing, could save lives
The minimum was 13 nodes or transceivers, while the rate of incorrect breathing measurements fell to zero when 19 nodes were used.
ENGADGET: Researchers use wireless network to monitor breathing, could save lives
Using them taught me how to lower my heart rate and steady my breathing.
WSJ: Review of Tink�� and HeartMath Inner Balance Sensor for iOS
Another increasingly popular method known as biofeedback focuses on developing breathing techniques to keep the heart rate down.
应用推荐