4. Telephonic communications
  5. Having light wave or ultrasonic link for speech or paging...
  6. Including fiber optic link within telephone network

Toshiya Kumano

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Micro-step driving method of stepping motor and...

Electricity: motive power systems – Positional servo systems – With particular motor control system responsive to the...
Reexamination Certificate

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Portable telephone with speed dialing

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

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Profile ID: LFUS-PAI-P-2007001

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