4. Measuring and testing
  5. Embrittlement or erosion

Nobuyuki Nagai

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Apparatus for driving stepper motor of camera

Electricity: motive power systems – Open-loop stepping motor control systems
Patent

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Apparatus for driving stepping motor of camera

Electricity: motive power systems – Positional servo systems – With particular motor control system responsive to the...
Patent

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Automatic focusing apparatus in a camera

Photography – Having variable focal length of camera objective – Having focus operation
Patent

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Drive apparatus for zoom lens barrel

Optical: systems and elements – Lens – With variable magnification
Patent

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Drive apparatus for zoom lens barrel

Optical: systems and elements – Lens – With variable magnification
Patent

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Profile ID: LFUS-PAI-P-195453

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