4. Multiplex communications
  5. Communication over free space
  6. Having a plurality of contiguous regions served by...

Andrzej Partyka

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Bimodal portable telephone

Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network
Patent

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Frequency hopping system for intermittent transmission

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

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Frequency hopping system for intermittent transmission

Pulse or digital communications – Repeaters – Testing
Patent

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Frequency hopping system for intermittent transmission

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

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Frequency hopping system for intermittent transmission

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

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Profile ID: LFUS-PAI-P-52902

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