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Pattern comparison

Optics: measuring and testing – Document pattern analysis or verification
Patent

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Pattern detecting apparatus

Optics: measuring and testing – Document pattern analysis or verification
Patent

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Pattern scanning device

Optics: measuring and testing – Document pattern analysis or verification
Patent

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Personal authentication method and personal authentication...

Optics: measuring and testing – Document pattern analysis or verification
Reexamination Certificate

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Personal identification system

Optics: measuring and testing – Document pattern analysis or verification
Reexamination Certificate

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Personal identification system

Optics: measuring and testing – Document pattern analysis or verification
Reexamination Certificate

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Personal identification system

Optics: measuring and testing – Document pattern analysis or verification
Reexamination Certificate

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Personal identification system

Optics: measuring and testing – Document pattern analysis or verification
Reexamination Certificate

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Personal identification system

Optics: measuring and testing – Document pattern analysis or verification
Reexamination Certificate

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Personal identification system

Optics: measuring and testing – Document pattern analysis or verification
Reexamination Certificate

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Personal identification system

Optics: measuring and testing – Document pattern analysis or verification
Reexamination Certificate

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Phase retardation anti-counterfeit method

Optics: measuring and testing – Document pattern analysis or verification
Reexamination Certificate

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Photoelectric detecting apparatus

Optics: measuring and testing – Document pattern analysis or verification
Patent

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Plastic packaging having a marker material

Optics: measuring and testing – Document pattern analysis or verification
Reexamination Certificate

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Polarization and reflection based non-contact latent...

Optics: measuring and testing – Document pattern analysis or verification
Reexamination Certificate

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Portable authentication device and method of authenticating...

Optics: measuring and testing – Document pattern analysis or verification
Reexamination Certificate

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Portable product authentication device

Optics: measuring and testing – Document pattern analysis or verification
Reexamination Certificate

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Portable product authentication device

Optics: measuring and testing – Document pattern analysis or verification
Reexamination Certificate

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Prism fingerprint sensor using a holographic optical element

Optics: measuring and testing – Document pattern analysis or verification
Patent

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Prism sensor and method of operating a prism sensor for a...

Optics: measuring and testing – Document pattern analysis or verification
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