PTC has been awarded "Light Source Control Device" in USA.

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PTC has been awarded "Sensing Type Control Circuit for Electronic Apparatus" in USA.

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PTC has been awarded "Driving Circuit for Voice Coil Motor and Method Thereof" in USA.

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PTC has been awarded "Driving Circuit for Voice Coil Motor and Method Thereof" in ROC.

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PTC has been awarded "Method for Reducing Offset Voltage of Operational Amplifier and the Circuit Using the Same" in USA.

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PTC has been awarded "Method for Reducing Offset Voltage of Operational Amplifier and the Circuit Using the Same" in ROC.

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PTC has been awarded "Product Verification System" in China.

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PTC has been awarded "Circuit Testing Apparatus" in USA.

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PTC has been awarded "Control Devices and Methods" in USA.

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PTC has been awarded "Control Devices and Methods" in ROC.

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