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Sensor Technology for Health and Fitness Applications

Determining the state of our health has always been a matter of finding a way to monitor and measure the body’s most basic functions. Before instrumentation, visual indicators were used that allowed us to know, for example, what our body temperature should be, what a healthy pulse is, and what an acceptable respiration rate is. Today, with an aging population more people now need some sort of portable healt ...

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The femtocell technology

. Introduction Femtocells are basically low-power wireless access points that operate inside licensed frequency bands for connecting standard mobile devices with a provider's network, using a broadband connection such as the DSL or a cable connection (basically using the best Internet connection available at that point). A femtocell is therefore an indoor base station that allows you to make phone calls wit ...

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Teardown: iPhone 5s

Breaking in The iFixit team uses a suction cup and "some gentle spudgering" to reveal the innards. (There's a booby trap, but you'll have to check that out in the full teardown.) iFixit's suction cup and spudger (shown) enabled the team to open the iPhone 5s carefully. (Source: iFixit) Once inside, iFixit says: As we ready ourselves to delve into the delightful innards of the 5s, let's check out some of its ...

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Texas Instruments inductance to digital converter (LDC)

Texas Instruments designers have developed an entirely new data converter with the LDC1000 inductance-to-digital converter (LDC) designed specifically for inductive sensing applications. The LDC uniquely combines all of the external circuitry on chip that is normally required to simultaneously measure the impedance and resonant frequency of an LC resonator. It then regulates the oscillation amplitude in a c ...

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Aims To Drive A Wireless Power About Charging

That’s where Cota by Ossia comes in. The startup is the brainchild of physicist Hatem Zeine, who decided to focus on delivering wireless power in a way that was commercially viable, both for large-scale industrial applications and for consumer use. Zeine has been hard at work developing his wireless power technology and refining its delivery for over a decade now, and has built Ossia under wraps, managing t ...

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Quartz oscillators make way for MEMS

Editor’s note: The following is a Sand 9 white paper discussing the evolution of MEMS technology in our industry as it relates to timing devices. Quartz has dominated the industry until recently. Electrostatic and piezoelectric MEMS now seriously compete to displace quartz in many applications with improved overall tolerance across all frequencies. PSRR in a MEMS differential clock vs. quartz is better over ...

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Lightweight piezo film speaker targets thin TVs

Kyocera has developed an ultra-thin, lightweight audio device, dubbed the Smart Sonic Sound, based on the company’s fine ceramic technology. The 1mm-thin speaker uses a piezoelectric actuator combined with a special film to create a piezo film speaker, enabling the manufacture of very thin TVs, PCs and tablets with improved audio quality. The device’s low directivity characteristics broaden the sound projec ...

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