4. Dynamic magnetic information storage or retrieval
  5. Modulating or demodulating
  6. Frequency

Herbert S. Riddle, Jr.

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Encoding/decoding syncronization technique

Communications: electrical – Audible indication – Percussion-type sound producer
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Frequency-ratio apparatus

Dynamic magnetic information storage or retrieval – Modulating or demodulating – Frequency
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Noise reduction apparatus

Dynamic magnetic information storage or retrieval – Recording or reproducing an information signal and a control...
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Profile ID: LFUS-PAI-P-551687

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