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

Masatomo Seya

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Apparatus for regenerating information from records made by opti

Static information storage and retrieval – Information masking – Transparency
Patent

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Focusing error detecting apparatus with light switching and dete

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

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Magnetic recording apparatus having a reduced thickness

Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Patent

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Wavelength selective optical recording and reproducing device

Static information storage and retrieval – Radiant energy – Color centers
Patent

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Profile ID: LFUS-PAI-P-539665

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