4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Photocell controls its own optical systems

Petrov Nikolai

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Apparatus for measuring aperture size of near-field optical...

Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Reexamination Certificate

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Integrated type optical head with sheet waveguide and light...

Dynamic information storage or retrieval – Specific detail of information handling portion of system – Radiation beam modification of or by storage medium
Reexamination Certificate

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Integrated type optical head with sheet waveguide and light...

Dynamic information storage or retrieval – With servo positioning of transducer assembly over track... – Optical servo system
Reexamination Certificate

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Optical head with GRIN lens

Dynamic information storage or retrieval – Specific detail of information handling portion of system – Radiation beam modification of or by storage medium
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2717462

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