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Information reading apparatus with a light beam scanning techniq

Dynamic information storage or retrieval – With servo positioning of transducer assembly over track... – Optical servo system
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Information reading device

Dynamic information storage or retrieval – Information location or remote operator actuated control – Selective addressing of storage medium
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Information reading device for information recording medium havi

Dynamic information storage or retrieval – Signal processing by storage and subsequent retrieval
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Information reading device for optical disk with unrecorded regi

Dynamic information storage or retrieval – Condition indicating – monitoring – or testing – Including radiation storage or retrieval
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Information reading system and record carrier and reading device

Dynamic information storage or retrieval – Storage medium structure – Optical track structure
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Information reading system with controlled optical access

Dynamic information storage or retrieval – With servo positioning of transducer assembly over track... – Optical servo system
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Information readout apparatus and information readout method

Dynamic information storage or retrieval – Binary pulse train information signal – Binary signal level detecting using a reference signal
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Information readout method for non mask layer type optical...

Dynamic information storage or retrieval – Binary pulse train information signal – Binary signal processing for controlling recording light...
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Information readout method for non mask layer type optical...

Dynamic information storage or retrieval – Binary pulse train information signal – Binary signal processing for controlling recording light...
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Information record and playback apparatus

Dynamic information storage or retrieval – Condition indicating – monitoring – or testing – Including radiation storage or retrieval
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Information record and playback apparatus

Dynamic information storage or retrieval – Condition indicating – monitoring – or testing – Including radiation storage or retrieval
Reexamination Certificate

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Information record and playback apparatus and computer...

Dynamic information storage or retrieval – Information location or remote operator actuated control – Selective addressing of storage medium
Reexamination Certificate

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Information record apparatus, information record method, and...

Dynamic information storage or retrieval – Control of storage or retrieval operation by a control... – Mechanism control by the control signal
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Information record disc and information recording apparatus

Dynamic information storage or retrieval – Storage medium structure – Optical track structure
Reexamination Certificate

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Information record disc and information recording apparatus

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

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Information record medium

Dynamic information storage or retrieval – Storage medium structure – Optical track structure
Reexamination Certificate

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Information record medium and information writing/reading...

Dynamic information storage or retrieval – Condition indicating – monitoring – or testing – Including radiation storage or retrieval
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Information record medium and information writing/reading...

Dynamic information storage or retrieval – Condition indicating – monitoring – or testing – Including radiation storage or retrieval
Reexamination Certificate

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Information record medium as well as editing apparatus and repro

Dynamic information storage or retrieval – Information location or remote operator actuated control – Selective addressing of storage medium
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Information record medium on which audio information...

Dynamic information storage or retrieval – Storage medium structure – Optical track structure
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