4. Multiplex communications
  5. Wide area network
  6. Packet switching

L. Van Beer

Examiner

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Light driven remote system and power supply therefor

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

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Orderwire detector for communication systems

Multiplex communications – Wide area network – Packet switching
Patent

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System for extending the effective operational range of an infra

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

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Two-way optic communication system for atmospheric use

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

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Profile ID: LFUS-PAI-P-1110043

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