4. Dynamic information storage or retrieval
  5. With servo positioning of transducer assembly over track...
  6. Optical servo system

Daniel R. Marshall

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Beam deflecting for enhanced laser printer scanning

Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light
Patent

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Beam deflecting for resolution enhancement and banding reduction

Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light
Patent

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Distance measuring system

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

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Distance measuring system

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

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Double-pass projection displays with separate polarizers and...

Optical: systems and elements – Single channel simultaneously to or from plural channels – By partial reflection at beam splitting or combining surface
Reexamination Certificate

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Profile ID: LFUS-PAI-P-738442

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