2013年9月4日星期三

Magnetoresistive sensor electronics applications

The basic principle of the magnetoresistive sensor is due to reluctance changes caused by the magnetic field change in resistance , thereby causing the voltage to detect changes in the Earth magnetic field . After years of development magnetoresistive sensor with reliable , durable , and many other features. Magnetoresistive sensor products are often referred to as electronic compass or an electronic compass, electronic applications magnetoresistive sensor range is already very wide. Magnetoresistive sensor trends on the one hand is more precise, on the one hand is the higher degree of integration . Reluctance previously been used as a standalone device , but now the direction of the integration , product integration is an important direction for future development . Also contributed to the increase in mobile phone features a magnetic sensor on the phone more and more widely , especially in the smart phone. In the smart phone system, the magnetoresistive sensor MEMS sensors in combination with other applications, the GPS navigation system to play a role more . In addition, the magnetic Engine Coolant Temperature Sensor  and the GPS sports watches and other portable consumer market has developed rapidly in the future types of applications in consumer electronics will be more features will be more powerful. Automobile market in China has great growth , there are many high-end cars using our electronic compass . Currently magnetoresistive sensor in the main application field of automotive electronics , an electronic compass is the rear-view mirror , the other is panel dashboard . In this area, our market share is very high , such as in BYD, and GM and other auto manufacturers are widely adopted. Alone as the direction of the magnetic Position Sensor applications not previously been considered of great value , while the GPS and other products contributed to the emergence and popularity of magnetic sensor applications development, because it is no longer a separate product , and GPS bindings together into a powerful navigation products, while the GPS market has been rapid growth in recent years . In addition to traditional applications , networking and other technology development, but also promoted the sensor technology in the new field of application . Today, many transit systems have adopted the front end of the magnetoresistive sensor system as a basis for networking sensing unit , I believe it will be in the future there are things more applications

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