Knowra Wearable technology Wearable technology Wearable technology consists of electronic devices designed to be worn on the body. Many devices use sensors and wireless connectivity to collect, process, or share data.
Inertial measurement unit : A sensor assembly combining accelerometers and gyroscopes to measure motion and orientation. Motion sensors let wearables estimate steps, gestures, and body movement.
Fitness tracker : A wearable device that records activity measures such as steps, exercise duration, or estimated energy expenditure. It is a common form of wearable focused on everyday activity tracking.
Flexible electronics : Electronic circuits and components built on bendable or stretchable substrates. Flexible circuits can conform more comfortably to curved or moving body surfaces.
Health data privacy : The protection and governance of information about a person’s health and bodily state. Wearables can collect intimate measurements and transmit them to companies or care providers.
Smartphone : A handheld mobile computer that combines communication, applications, sensors, and internet access. Unlike most wearables, it is carried rather than continuously attached to the body.
Photoplethysmography : An optical technique that estimates changes in blood volume by measuring light reflected or transmitted through tissue. Wrist devices use it to estimate pulse and related cardiovascular signals.
Smartwatch : A wrist-worn computer that combines timekeeping with applications, notifications, and sensor functions. It brings communication and general-purpose computing to the wrist.
Biosensor : A device that detects a biological substance or process and converts it into a measurable signal. Many health wearables depend on biosensors to turn bodily signals into data.
Digital phenotyping : The use of data from personal digital devices to characterize behavior, health, or psychological states. Continuous wearable signals can become inputs to inferred profiles of daily life.
Implantable medical device : A medical device placed inside the body to monitor or treat a condition. Implants operate within the body, while wearable devices remain externally worn.
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