4. Cryptography
  5. By modifying optical image

Chin-Chen Chang

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Combination lock with variable code

Locks – Operating mechanism – Combination
Patent

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Cryptosystem for encrypting digital image or voice file

Cryptography – By modifying optical image
Patent

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Fuzzy inference system for simplifying mesh

Data processing: artificial intelligence – Fuzzy logic hardware – Fuzzy inference processing
Reexamination Certificate

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Lock structure and method for using thereof

Joints and connections – Having a joining piece extending through aligned openings in...
Reexamination Certificate

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Method for aligning gesture features of image

Image analysis – Pattern recognition
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1615377

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