4. Telecommunications
  5. Receiver or analog modulated signal frequency converter
  6. Signal selection based on frequency

Douglas L. Welk

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Method for enhancing in real-time the playback of an audio...

Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Reexamination Certificate

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Method for enhancing in real-time the playback of an audio...

Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Reexamination Certificate

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Utilizing metadata to improve the access of entertainment...

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

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Profile ID: LFUS-PAI-P-3125382

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