4. Optics: measuring and testing
  5. Lens or reflective image former testing

Hou-Ching Chin

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Detection method and device for detecting quality of optical...

Optics: measuring and testing – Lens or reflective image former testing
Reexamination Certificate

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Focus adjustable method of optical image

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

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Optical computer pointer and optical cursor/frame control...

Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Reexamination Certificate

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Profile ID: LFUS-PAI-P-3061643

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