Features - Sensors

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      Medical wearables: powered by energy harvesting (01/11/2017)

      The total medical electronics market in 2015 was valued at ~$3B and is expected to grow at an annual compound growth rate of 5.4% – reaching $4.41B by 2022. Here, Linear Technology explains that it should therefore come as no surprise that some of the key factors driving this growth are ageing population and growing lifestyle diseases; and the ever-increasing adoption of wearable medical electronics.

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      VR as never before – haptic feedback in military training (06/09/2017)

      EPDT talked to Nigel Clarke, CEO of Morgan Innovation & Technology (MIAT), who discussed MIAT’s RealSim technology: a haptic feedback glove they are developing which aims to bring a human-like sense of touch to military professionals – immersed in a vigorous military training simulation.

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      Introduction to measurement microphones (31/08/2017)

      Like all technological devices, loudspeakers, headphones, MEMS microphones, sonar emitters and police sirens all need to be measured and tested, both during design and production. Furthermore, products that generate any noise at all (such as motors, airplanes, wind turbines, coffee makers or HVAC) are often measured for safety or environmental impact, or are continuously monitored, listening for signature acoustic signals that indicate correct performance – or failure.

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      New facelift for radar – but the physics stay the same (20/07/2017)

      Radar has come a long way from its origins in the late 19th century, evolving into a host of technologies supporting a broad range of applications today. Applications range from the simple, inexpensive and small size continuous-wave (CW) radar used by law enforcers to ensnare speed offenders, to the complex active phased arrays used in ground-based, naval and airborne radar systems.

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      Testing MIPI interfaces with the R&S RTO oscilloscope (15/05/2017)

      Many components in modern smartphones communicate with each other via interfaces standardised by the MIPI Alliance. R&S RTO oscilloscopes can analyse these interfaces’ signal integrity and data content with maximum efficiency to quickly locate errors.

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      Factors to consider when selecting non-contact colour measurement sensors (12/05/2017)

      There are several key factors to consider before purchasing or specifying a non-contact colour sensor, including accuracy, the type of surface or object being measured, environmental conditions and mechanical setup, says Stephen Smith, Product Sales Engineer at MICRO-EPSILON UK.

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      Emerging opportunities and challenges in automotive radar (12/05/2017)

      An imminent revolution is upon the automotive market. The pursuit of the highly autonomous vehicle is giving rise to dramatic new processing and data networking capabilities in next generation vehicles.

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      Making switches smarter with true micropower Hall effect sensors (15/12/2016)

      Linear Hall effect sensors can bring valuable advantages to consumer technology and Internet of Things applications, but must achieve a significant reduction in power consumption in order to meet the expectations of equipment designers and end user.

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      Sensors link up for smart building automation (15/12/2016)

      Smart-building design is moving into its third generation, in which different control systems exchange data to support a variety of building-management systems.

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      More effective approach to oxygen sensing (15/12/2016)

      There are a plethora of different applications where the level of oxygen in a given environment needs to be determined - covering everything from the industrial, automotive, logistics/transportation and agriculture sectors right through to aerospace and healthcare.

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      Miniature infrared sensor technology to drive new applications (27/06/2016)

      The now widespread use of accelerometers and gyroscopes has demonstrated how well the introduction of sensors can enhance applications and even drive new modes of engagement with computer systems.

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      IoT wireless sensors and the problem of short battery life (11/12/2015)

      Wireless sensors provide great insight in applications because they are simple to install, they can be deployed in a multitude of situations.

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      The toughest conformal coatings for the harshest environments (05/11/2015)

      In a typical car, electronic systems are critical to the smooth and safe operation of the vehicle. Even before the engine starts, electronics have already unlocked the car.

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      British engineering and sensor innovation (20/03/2015)

      In the early nineties, British engineer Jonathan May was involved in a project to develop a ship-borne weapon alignment system that would enable naval vessels to align their weapons more accurately and at lower cost.

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      The latest developments in medical sensors (16/10/2014)

      Air or gas embolisms, caused by small amounts of air entering the bloodstream and forming bubbles, can prove fatal. If air accidentally enters blood vessels through surgery, via an intravenous fluid line or during transfusion, the resulting bubbles can block blood flow, which may lead to a heart attack, stroke or thrombosis. While treatment is possible in the form of hyperbaric therapy, the unpredictable nature of air bubbles combined with the potential consequences, mean that prevention is pref

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      MEMS implementation advances medical sensing technology (16/07/2014)

      There are a broad range of opportunities for sensing devices within the healthcare sector; monitoring key dynamics or to enable the diagnosis of medical complaints. In the coming years, says Laurent Otte, Melexis, semiconductor innovations are likely to address these opportunities, nevertheless major technical challenges must still be overcome.

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      How working together can reduce time to market and lower total system costs (01/04/2014)

      There is a new kind of relationship between parts suppliers and OEMs, says Alex Geddes, Honeywell Sensing and Control, one where working in partnership carries through from initial design to final delivery.

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      Designing an ignition control for automotive applications (05/07/2013)

      This article discusses the design of an ignition control used in the electrical power steering (EPS) system of automobiles by using a microcontroller plus ASIC or a microcontroller supported by a programmable logic SoC. Such a system receives the ignition input from the user and a CAN transceiver and drives the three-phase brushless automotive motor.

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      Measuring air pressure pulses quickly and reliably (29/05/2013)

      The KP200 pressure sensor from Infineon Technologies is the key component in innovative systems that increase protection for pedestrians and vehicle occupants in collisions. The decisive capability of these pressure sensors is that they are able to measure air pressure pulses very reliably, quickly and independently of variations in ambient air pressure. This they have already proven for many years in a similar safety-related automobile application as side airbag sensors.

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      Next-generation automotive pressure sensors using advanced MEMS technology (13/03/2013)

      MEMS technology will constitute a growing proportion of the automotive pressure sensor market over the coming years. The performance benchmarks and the higher level of integration it offers will allow it to see greater and greater uptake.