4. Communications: electrical
  5. Selective
  6. Interrogation response

David K. Roberts

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Battery economizing in a communications system

Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate

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Battery economizing in a communications system

Communications: electrical – Selective – Interrogation response
Reexamination Certificate

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Generating a cyclic sequence of frequencies

Pulse or digital communications – Spread spectrum – Frequency hopping
Reexamination Certificate

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Method of the receiver for frequency acquisition in a...

Pulse or digital communications – Spread spectrum – Frequency hopping
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2074109

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