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Este sitio web utiliza cookies para ofrecer ciertos servicios y mejorar la experiencia del usuario. The new SFH sensor from Osram Opto Semiconductors is designed to measure pulse rates and the oxygen saturation level of blood.
It offers excellent signal quality and low energy consumption. The main applications for this component include mobile devices such as smartwatches and fitness armbands — also known as wearables — for continuously monitoring fitness levels.
New sensor for fitness tracking
The integrated optical sensor contains five light emitting diodes with three different wavelengths and one high-sensitivity photodiode. It performs the same functions as its predecessor but has improved power consumption and signal quality.
It works by shining light into the skin. Different amounts of this light are absorbed by blood and the surrounding tissue.
The light not absorbed is reflected to the detector. Absorption measurements with different wavelengths are used to determine the pulse rate and the saturation level of oxygen in the blood. Efficient and reliable pulse measurements Green light is best for measuring the pulse at the wrist.
NORMA INTERNACIONAL DE AUDITORÍA by Fundamentos de Auditoria on Prezi
At their optimum operating point at a current of 20 milliamperes, they are particularly efficient and typically deliver an optical output of 3. The higher light output compared with SFH results in better signal quality and more stable pulse measurements. Bolwtin low power consumption also means long battery life in the device.
More accurate blood oxygen measurements Oxygen saturation in your blood is calculated from the different absorption rates of red nm and infrared nm light. The quality of boltin measurements depends to a large extent on the achievable signal-to-noise ratio and on the linearity of the photodetector.
The integrated photodiode with its active surface of 1. In addition, the distance between the two transmitters and the photodiode in the SFH is greater than in the SFH This means the light penetrates deeper into the skin before it is reflected to the detector, which leads to more stable signals and a better signal-to-noise ratio.
BOLETIN by KAREN JARILLO on Prezi
The spectral bandwidth of the infrared and green LEDs is 30 nm in each case. The company’s portfolio covers the entire value chain from components — including lamps, electronic control gear and opto semiconductors such as light-emitting diodes LED — as well as luminaires, light management systems and lighting solutions. The company’s business activities have been focusing on light — and hence on quality of life — for over years.
LED ; Trading symbol: Additional information can be found at www.
This document contains statements and information pertaining to our future business and financial performance and future developments that may constitute forward-looking statements — i.
They are, therefore, subject to certain risks and uncertainties. Should one or more of these risks or uncertainties materialize, or should underlying assumptions prove incorrect, actual results, performance or achievements of OSRAM may vary materially from those described in the relevant forward-looking statement as being expected, anticipated, intended, planned, believed, sought, estimated or projected.
OSRAM neither intends, nor assumes any obligation, to update or revise these forward-looking statements in light of developments which differ from those anticipated. Due to rounding, numbers presented throughout this and other documents boleton not add up precisely to the totals provided and percentages may not precisely reflect the absolute figures they reference. DLP procesamiento digital de la luz. Control y seguimiento del boletn de la salud. Cumplimiento de la directiva RoHS. New sensor for fitness tracking Osram Opto Semiconductors is optimizing its portfolio for the optical measurement of pulse rates and blood oxygen levels Reservados todos los derechos.