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infineon technologies

What’s the difference between network security and physical security?

April 12, 2022 By Randy Frank

Network security involves software and computer-based hardware/firmware to provide access to the authorized and restrict access to the unauthorized. In contrast, physical or brick and mortar security starts with sensors and, if the security system is connected to the internet, it also requires the same network security measures. Protecting a residence, commercial building or an […]

Filed Under: Featured, Frequently Asked Question (FAQ), Microphones, Pressure Sensor, Sensor Fusion Tagged With: infineon technologies

How are ultrasonic MEMS sensors being used for 3D obstacle detection and collision avoidance?

April 4, 2022 By Randy Frank

In addition to radar, LiDAR and camera sensing used in 3D obstacle detection and collision avoidance in advanced driver assistance systems (ADAS) in vehicles, ultrasonic sensing has been used as well. Traditionally, the ultrasonic sensors used transducer-based technology to provide a microphone to transmit and receive the ultrasonic signal in passenger vehicle parking applications. Using Infineon’s […]

Filed Under: Featured, Frequently Asked Question (FAQ), Microphones, Ultrasonic Tagged With: infineon technologies

How can a MEMS microphone be used in harsh environments?

February 21, 2022 By Randy Frank

The answer depends on how harsh of an environment and how much protection is required. For a microelectromechanical systems (MEMS) microphone, one of the most-harsh environments is the human body, since sweat and dirt can cause failures in traditional MEMS microphone architectures. Regarding the protection, the International Electrochemical Commission’s (IEC’s) IEC 60529 rating system defines different […]

Filed Under: Featured, Frequently Asked Question (FAQ), MEMS Sensor Technology, Microphones, Wearable sensing technologies Tagged With: infineon technologies

What are capacitive pressure sensors?

August 30, 2021 By Randy Frank

When automotive ignition and carburetor systems initially required inputs from the engine to control spark and fuel and lower vehicle emissions, a capacitive pressure sensor was designed to specifically measure manifold absolute pressure (MAP) and barometric absolute pressure (BAP). Called a silicon capacitive absolute pressure (SCAP) sensor, it consisted of a micromachined diaphragm etched into […]

Filed Under: Featured, Frequently Asked Question (FAQ), Pressure Sensor Tagged With: infineon technologies

How do microphone sensors fit into a smart home?

June 8, 2021 By Randy Frank

A quick search for “sensors in the smart home” can easily identify dozens of sensors – primarily for sensing physical properties. The results could be one of many specific sensing technologies or specific products. For example, one search showed: Fire/CO detection Leak/moisture detection Window & door open and close Video doorbell Smart thermostat Motion sensors […]

Filed Under: Featured, Frequently Asked Question (FAQ), Microphones Tagged With: infineon technologies

What is photoacoustic spectroscopy (PAS)?

October 30, 2020 By Randy Frank

Identified in the 19th century, the photoacoustic effect allows the conversion of light into sound and has been employed in devices such as non-dispersive infrared absorption spectroscopy (NDIR), which was the first commercially available device to detect gases using this effect. Modulating the light intensity produces a periodic pressure variation, which is measured with a […]

Filed Under: Featured, Frequently Asked Question (FAQ), MEMS Sensor Technology, Microphones Tagged With: infineon technologies

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