4. Dynamic information storage or retrieval
  5. Specific detail of information handling portion of system
  6. Radiation beam modification of or by storage medium

Kenichi Tatehara

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Current summing digital-to-analog converter

Coded data generation or conversion – Analog to or from digital conversion – Digital to analog conversion
Reexamination Certificate

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High-precision D-A converter circuit

Coded data generation or conversion – Analog to or from digital conversion – Digital to analog conversion
Reexamination Certificate

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Laser diode driving device

Coherent light generators – Particular component circuitry – For driving or controlling laser
Reexamination Certificate

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Laser drive device

Coherent light generators – Particular operating compensation means
Reexamination Certificate

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Laser drive device

Coherent light generators – Particular operating compensation means
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2470612

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