Switched-capacitor (SC) regulators are important components in many portable electronic applications such as mobile phones and PDAs to provide stable voltage supply for other different processing systems. Conventionally, extra power transistor or auxiliary circuits were used in the regulators for mo.....
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After the outbreak of SARS and other airborne diseases happened recently in Hong Kong, awareness of public about the indoor air quality is aroused. Air purifier, air handling appliances like fan and air conditioner; as well as catalytic reaction to produce fine chemicals all related to the use of Si.....
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It is necessary to be able to determine the shape of the foot surface when standing on different shapes so that the comfortable shapes can be determined. The foot is comprised of 26 bones and soft tissues and the optimal configuration for the foot when standing on a surface is really not its natural.....
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In the displays industry, flat panel display is an important technology and is dominating the market. Flat displays typically are plasma displays or Liquid Crystal Displays (LCDs), although LED displays, in particular Organic Light Emitting Diode (OLED) display technology, are proving very promising.....
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By using an auto focus encoder, the present invention, positioning apparatus for hard disk servowriter, provides the precise positioning of the servo pattern writing heads required for successful servowriting. The new apparatus also relates to a track position sensor for providing track position of.....
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