4. Telephonic communications
  5. Supervisory or control line signaling
  6. Signal reception at substation

Ryuichi Matsukura

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Apparatus and method for providing information about two-way...

Electrical computers and digital processing systems: multicomput – Computer conferencing – Demand based messaging
Reexamination Certificate

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Apparatus and method for providing information about two-way...

Electrical computers and digital processing systems: multicomput – Remote data accessing – Accessing a remote server
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Apparatus for controlling a shared screen

Electrical computers and digital processing systems: multicomput – Computer conferencing
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Communication method, communication system, key management...

Telecommunications – Radiotelephone system – Security or fraud prevention
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Communication relay method and device

Telecommunications – Radiotelephone system – Zoned or cellular telephone system
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Profile ID: LFUS-PAI-P-143721

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