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

Kwok Keung Choi

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Apparatus for message re-transmission on demand

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

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Method and apparatus for mixing protocols in a radio messaging s

Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Patent

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Method for dynamically changing control frames for selective cal

Communications: electrical – Continuously variable indicating – With meter reading
Patent

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Profile ID: LFUS-PAI-P-656154

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