4. Communications: electrical
  5. Condition responsive indicating system
  6. With particular coupling link

David J. Goodman

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Adjusting filter coefficients

Pulse or digital communications – Spread spectrum – Direct sequence
Patent

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Direction finding antenna and system

Communications: radio wave antennas – Antennas – With terminating resistance at open end
Patent

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Direction finding antenna system

Communications: radio wave antennas – Antennas – With terminating resistance at open end
Patent

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Radio alarm system

Communications: electrical – Condition responsive indicating system – With particular coupling link
Patent

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Spread spectrum FH-MFSK receiver

Pulse or digital communications – Repeaters – Testing
Patent

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Profile ID: LFUS-PAI-P-433445

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