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Its founder Seppo Säynäjäkangas (1942–2018) was the inventor of the first wireless EKG heart rate monitor. [3] In 1978, the company launched its first commercial product, the Tunturi Pulser. In 1982, Polar launched the world's first wearable wire-free heart rate monitor, the Sport Tester PE 2000. [4] [5] [6]
A heart rate monitor (HRM) is a personal monitoring device that allows one to measure/display heart rate in real time or record the heart rate for later study. It is largely used to gather heart rate data while performing various types of physical exercise. Measuring electrical heart information is referred to as electrocardiography (ECG or EKG).
There are also devices which use similar technologies to monitor heart rate from the ear, forearm and chest, using a chest strap. [2] All of which still use similar mechanisms to provide unobstructed biometric data for individuals. One study compared the use of a pulse watch device and a forearm device in detecting heart rate during physical ...
The new wearable heart rate monitors indirectly measure the heart rate with reflectance photoplethysmography. The monitor illuminates the skin tissue with light emitting diode (LED) and detects the intensity of light reflected with the photodetector. [11] Wearable optical heart rate monitors are less reliable than electrode-based heart rate ...
Each Holter system has hardware (called monitor or recorder) for recording the signal, and software for review and analysis of the record. There may be a "patient button" on the front that the patient can press at specific instants such as feeling/being sick, going to bed, taking pills, marking an event of symptoms which is then documented in the symptoms diary, etc.; this records a mark that ...
A conductor stands in the snow waiting for passengers to board Oklahoma City's "The Polar Express" Train Ride, produced by Rail Events Productions, Nov. 10, 2022.
The SE incorporates the same always-on altimeter as the Series 6, [90] but uses the previous-generation S5 processor and previous- (i.e. second) generation optical heart rate sensor; does not include ECG and blood oximeter sensors or an always-on display; and does not include ultra-wideband (UWB) or 5 GHz Wi-Fi communication capabilities.
Polar point group, a symmetry in geometry and crystallography; Pole and polar (a point and a line), a construction in geometry Polar cone; Polar coordinate system, uses a central point and angles; Polar curve (a point and a curve), a generalization of a point and a line; Polar set, with respect to a bilinear pairing of vector spaces
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