4. Photography
  5. Having variable focal length of camera objective
  6. Power zoom

Akihiro Kawanami

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Automatic focusing device and optical apparatus having the same

Photography – With exposure objective focusing means – focusing aid – or... – Manually selected preset focus position or range
Patent

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Driving control device, optical apparatus and driving control me

Photography – With exposure objective focusing means – focusing aid – or... – Lens drive circuit or motor structure
Patent

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Lens driving device

Photography – Having variable focal length of camera objective – Power zoom
Patent

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Optical apparatus

Optical: systems and elements – Lens – With support
Reexamination Certificate

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Optical apparatus

Patent

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Profile ID: LFUS-PAI-P-863729

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