Mem­sic senses a smarter fu­ture on the way, grows to meet ris­ing de­mand

China Daily (USA) - - IOT@ WUXI - By WANG WEI wang­wei2012@chi­

They may not seem like ex­cit­ing or glam­orous prod­ucts, but with­out them, your GPS would be lost, your out­side light would never turn on, and your smart watch would have no idea how far you have run.

Sen­sor tech­nol­ogy is the key to the in­ter­net of things rev­o­lu­tion tak­ing place in China, act­ing as the eyes and ears of mil­lions of new smart de­vices flood­ing into the mar­ket.

One of the com­pa­nies mak­ing this rev­o­lu­tion pos­si­ble is sen­sor man­u­fac­turer Mem­sic Semi­con­duc­tor Co Ltd.

“Sen­sors are vi­tal to the de­vel­op­ment of IoT,” Liu Haidong, Mem­sic’s vice-pres­i­dent of prod­uct de­vel­op­ment in Wuxi, told China Daily. “As the core of IoT, they can gather and an­a­lyze in­for­ma­tion for peo­ple to make de­ci­sions.”

Based in the Wuxi High-Tech In­dus­trial De­vel­op­ment Zone, the nerve cen­ter of China’s IoT in­dus­try, Mem­sic’s ad­vanced sen­sors are set­ting the stage for a new gen­er­a­tion of IoT tech­nol­ogy.

Mem­sic has be­come the first Chi­nese com­pany to de­velop a mini an­isot­ropy mag­netic re­sis­tance sen­sor, the world’s high­est per­form­ing mag­netic sen­sor used in a wide range of in­tel­li­gent de­vices, from in­tel­li­gent trans­porta­tion sys­tems to GPS de­vices.

AMR sen­sors’ sen­si­tiv­ity is a game-changer, Liu said.

In in­tel­li­gent trans­porta­tion sys­tems, for ex­am­ple, AMR sen­sors can de­tect whether a car has passed and how many cars have passed, and can also mea­sure the size and speed of the car.

“Ac­cord­ing to these sig­nals col­lected by sen­sors, traf­fic flows can be cal­cu­lated, and then traf­fic lights can be con­trolled,” Liu said, adding that in­tel­li­gent traf­fic lights adopt­ing this tech­nol­ogy have been put into use on many of Wuxi’s cross­roads.

In ad­di­tion, AMR sen­sors’ abil­ity to mea­sure power con­sump­tion means that they can be used to con­serve power in com­put­ers or mo­tors, and their ac­cu­racy will be key to the de­vel­op­ment of new mo­bile ter­mi­nals and wear­able de­vices.

Mem­sic’s re­search and de­vel­op­ment of mi­cro-electro­mechan­i­cal sys­tems and sys­tem in­te­gra­tion tech­nol­ogy is also likely to lead to the cre­ation of a huge range of new small and low-cost prod­ucts used in fields like elec­tron­ics, in­dus­trial au­toma­tion and avi­a­tion.

Sen­sors are be­com­ing big busi­ness in China. The sens­ing com­po­nents mar­ket grew 20.9 per­cent an­nu­ally since 2011 to reach 54.7 bil­lion yuan ($8.1 bil­lion) in busi­ness rev­enue in 2015, said Wen Xueli, di­rec­tor gen­eral of the China Elec­tronic Com­po­nents As­so­ci­a­tion.

Cur­rently about 80 per­cent of China’s sens­ing com­po­nents are im­ported.

CECA pre­dicts that faste­merg­ing homegrown com­pa­nies led by Mem­sic will grab a greater mar­ket share of around 30 per­cent by 2020.

Mem­sic re­cently shipped its bil­lionth sen­sor and the com­pany is con­fi­dent that its 15 years of ex­pe­ri­ence and ad­vanced tech­nol­ogy has po­si­tioned it well to re­main at the cut­ting edge of the in­dus­try to take ad­van­tage of these op­por­tu­ni­ties.

“Sen­sors will play a piv­otal role in the IoT ap­pli­ca­tion field, pro­vid­ing a more in­tel­li­gent life for hu­man be­ings, with the de­vel­op­ment of smart homes, in­tel­li­gent light­ing, med­i­cal care and agri­cul­ture,” Liu said.


Liu Haidong, Mem­sic’s vice-pres­i­dent of prod­uct de­vel­op­ment in Wuxi, con­ducts re­search.

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