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Disc phonograph record playback by laser generated diffraction p

Dynamic information storage or retrieval – Optical reading of mechanical record
Patent

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Dual beam optical turntable

Dynamic information storage or retrieval – Optical reading of mechanical record
Patent

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Equipment for the optical playback of analog phonographic...

Dynamic information storage or retrieval – Optical reading of mechanical record
Reexamination Certificate

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Frictionless, non-destructive playback system for cylinder...

Dynamic information storage or retrieval – Optical reading of mechanical record
Reexamination Certificate

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Magneto-optic recording and playback system

Dynamic information storage or retrieval – Optical reading of mechanical record
Patent

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Optical disc playback and display apparatus

Dynamic information storage or retrieval – Optical reading of mechanical record
Patent

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Optical disc player having a resume function

Dynamic information storage or retrieval – Optical reading of mechanical record
Patent

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Optical signal reproducing apparatus

Dynamic information storage or retrieval – Optical reading of mechanical record
Patent

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Optical turntable system with reflected spot position detection

Dynamic information storage or retrieval – Optical reading of mechanical record
Patent

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Process and apparatus for the recording of an information signal

Dynamic information storage or retrieval – Optical reading of mechanical record
Patent

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