4. Registers
  5. Coded record sensors
  6. Particular sensor structure

Shih Yuan Chang

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Electromagnetically actuated adjusting apparatus for lens

Photography – With exposure objective focusing means – focusing aid – or...
Reexamination Certificate

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Optical pen having a light path coaxial with its pen tip

Registers – Coded record sensors – Particular sensor structure
Reexamination Certificate

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Profile ID: LFUS-PAI-P-3045778

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