4. Winding, tensioning, or guiding
  5. Unwinding and rewinding a machine convertible information...
  6. Automated stop or reverse

Sang-geol Lee

Inventor

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Film transfer device used in a camera

Photography – With film drive – Film movement limiting means
Patent

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Overload prevention device of film winding/rewinding motor for a

Winding – tensioning – or guiding – Unwinding and rewinding a machine convertible information... – Automated stop or reverse
Patent

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Zoom lens barrel

Optical: systems and elements – Lens – With variable magnification
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1418176

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