4. Telephonic communications
  5. With usage measurement
  6. Call charge metering or monitoring

Hisao Terajima

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Communication apparatus

Telephonic communications – Supervisory or control line signaling – Using line or loop condition detection
Patent

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Communication apparatus

Telephonic communications – Telephone line or system combined with diverse electrical... – To produce visual-graphic copy
Patent

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Communication apparatus capable of connecting memory card

Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent

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Communication apparatus for automatic dialing from a separate te

Telephonic communications – Supervisory or control line signaling – Substation originated
Patent

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Communication apparatus with telephone and data communication ca

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
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Profile ID: LFUS-PAI-P-108517

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