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Biometrics

How are VCSELs used in biomedical sensors?

March 26, 2025 By Jeff Shepard

Vertical-cavity surface-emitting lasers (VCSELs) are used in biomedical sensors because they emit highly focused, coherent light at specific wavelengths, enabling precise detection and analysis of biomolecules. Applications include blood oxygen level monitoring, optical coherence tomography (OCT) for imaging tissue structures, fluorescence microscopy, and analysis of live biomolecules in lab-on-a-chip systems. VCSELs offer a third option […]

Filed Under: Biometrics, Featured, Frequently Asked Question (FAQ), Infrared, Lighting, Medical Tagged With: FAQ

How do ear recognition biometrics work?

December 18, 2024 By Jeff Shepard

In the era of face masks, ear recognition can provide a viable alternative to more commonly used facial recognition. The human ear remains relatively unchanged, making it suitable for security authentication applications. It can also be easier to extract information from since it is not subject to variations like facial expressions. Ear recognition biometrics analyze […]

Filed Under: Biometrics, Featured, Frequently Asked Question (FAQ), Medical, Robotics Tagged With: FAQ

How does voice recognition biometrics work?

December 4, 2024 By Jeff Shepard

A voiceprint, also called a voice template, is a unique pattern of a person’s voice sounds. Based on hundreds of subtle voice characteristics, voiceprints can be used to identify a person, just like fingerprints or facial recognition. The uniqueness of voiceprints derives from the fact that there are over 70 body parts, each of which […]

Filed Under: Biometrics, Biosensor, Featured, Frequently Asked Question (FAQ)

How do eye & iris scan biometrics work?

November 20, 2024 By Jeff Shepard

Iris scan biometrics is one of two techniques that use unique eyeball characteristics for security and identification purposes. The other technique is retinal scanning. Iris scans are more commonly used because they are quicker and less invasive, but retinal scanning can be more accurate. The two techniques also have different applications. A retinal scan requires […]

Filed Under: Biometrics, Biosensor, Featured, Frequently Asked Question (FAQ) Tagged With: FAQ

What makes a stethoscope smart?

November 21, 2022 By Randy Frank

Unlike the analog stethoscope used by doctors for over 100 years, the digital stethoscope appeared in 1960. According to DataM Intelligence, a market research and business intelligence firm, the Electronic Stethoscope Market size was valued at USD 342.1 million in 2021 and is estimated to reach at a compound annual growth rate (CAGR) of 8.20% […]

Filed Under: Biometrics, Featured, Frequently Asked Question (FAQ), Microphones Tagged With: eko devices, FAQ

What metrics can bioelectrical impedance analysis provide? Pt 2.

August 11, 2022 By Randy Frank

With biosensing analog front end (AFE) ICs available from several major suppliers, researchers have a variety of options to investigate more sophisticated health measurement and monitoring techniques for healthcare professionals as well as users. Some of the applications currently under active investigation include identifying acute tissue injury and skeletal muscle fatigue, assessing neuromuscular disorders, tracking […]

Filed Under: Biometrics, Featured, Frequently Asked Question (FAQ) Tagged With: impedimed

What metrics can bioelectrical impedance analysis provide? Pt 1.

August 10, 2022 By Randy Frank

Healthcare and fitness are increasingly important to many people. The ease of making measurements or showing improvement metrics and the amount of data that can be provided by a minimal, non-invasive process makes the ongoing effort sustainable. Bioelectrical impedance (or bioimpedance) analysis (BIA) provides users with a technique that is easily integrated into smart watches […]

Filed Under: Biometrics, Featured, Frequently Asked Question (FAQ)

Ultra-low-noise barometric pressure sensors target smart home appliance apps

June 27, 2022 By Redding Traiger

TDK Corporation announces that the InvenSense ICP-20100, the latest generation of the SmartPressure MEMS Barometric Pressure Sensors, is now in mass production and has been certified by NextNav. Launched in 2021, the NextNav Certified process independently verifies the InvenSense sensor accuracy measurements, by engaging directly with component manufacturers to rigorously test sensors in real-world operating […]

Filed Under: Biometrics, Pressure, Pressure Sensor Tagged With: tdkcorporation

Barometric pressure sensor targets mobile device apps

April 5, 2022 By Redding Traiger

Bosch Sensortec introduces the BMP581, a barometric pressure sensor that couples low power consumption with extreme accuracy to provide altitude tracking in wearables, hearables, or IoT devices. This capability makes it ideal for applications such as fitness tracking, fall detection, indoor localization, and navigation, enabling new use cases that were previously impossible. This extreme level […]

Filed Under: Biometrics, Pressure, Pressure Sensor, Sensors Tagged With: Bosch Sensortec

How is biomarker sensing expanding?

February 23, 2022 By Randy Frank

Pathogens, infectious agents that cause disease, can include microscopic viruses, bacteria, fungi and protozoa. Both biomarkers and biosensors can detect and identify pathogenic agents. After using biomarkers to measure and detect pathogenic factors and assess biological conditions., drugs can be delivered to the target tissue so that other tissues are not damaged. Biomarkers are widely […]

Filed Under: Biometrics, Biosensor, Chemical Sensor, Featured, Frequently Asked Question (FAQ) Tagged With: rockley photonics holdings limited

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