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introduction
At the beginning of this century, Veit used Einthoven's galvanometer to record the electrical activity of the human pregnant uterus from the body surface for the first time. In 19...[Details]
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Preface
Sleep apnea is a very common sleep breathing disease. According to research, about 24% of adult men and 9% of adult women, or more than 2 million people, suffer from this disease ...[Details]
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This article discusses how to use an ultra-low-power RF transceiver chip from Zarlink Semiconductor for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices t...[Details]
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Engineers who are new to wireless design and wireless product development need to master the basics of
RF measurement
. In many cases, this process is to enable engineers who have been engag...[Details]
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Due to the needs of medical development, in many cases, general thermometers can no longer meet the requirements of fast and accurate temperature measurement, such as measuring human body temperature ...[Details]
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Lithium-ion batteries have a high energy-to-weight and energy-to-volume ratio, no memory effect, can be recharged many times, have a long service life, and are becoming increasingly cheaper. A good...[Details]
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Volkswagen's electronic throttle has taken our understanding of the traditional throttle a big step forward. However, while we admire Volkswagen's new technology, which is constantly being applied...[Details]
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Semiconductor devices used in high-end computing (advanced microprocessors) and consumer electronics (graphics and gaming chipsets) devices generally provide data rates up to 6.4Gbps through hig...[Details]
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With the advent of the new economic era represented by the Internet, PCs have lost their former glory, and smart 3C products (Computer, Communication and Consumer) will set off a new wave. As one o...[Details]
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Focus shift problem
Visible light and infrared light have different wavelengths, so the imaging focus is not on the same plane, which results in a clear image under visible light condition...[Details]
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After being widely adopted in applications such as backlighting of portable products with small and medium-sized screens, light-emitting diodes (LEDs) have entered the field of general lighting in ...[Details]
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"Where am I? Where am I going? Where is he/she? How far is he/she from me?..." Do you often have such questions like me? In fact, who can deny that these are questions that we often think about, ev...[Details]
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The challenge facing today's automotive electronics engineers is to build low-cost, fail-silent automotive systems that work even when they fail. Braking, steering, and other vehicle stability cont...[Details]
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With the popularity of Apple iPhone and Nintendo Wii game consoles, accelerometers have been widely used in consumer electronic devices. For example, drop protection in notebooks, automatic screen ...[Details]
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1. Introduction
In recent years, with the development of electronic technology, various office automation equipment, household appliances, and computers have been widely used. These device...[Details]
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