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Telecommunications gateway and method

Telephonic communications – Subscriber line or transmission line interface – Power supply
Reexamination Certificate

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Telephone

Telephonic communications – Subscriber line or transmission line interface – Power supply
Reexamination Certificate

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Telephone line-powered power supply for ancillary equipment...

Telephonic communications – Subscriber line or transmission line interface – Power supply
Reexamination Certificate

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Telephone system with controllable ringing voltage

Telephonic communications – Subscriber line or transmission line interface – Power supply
Reexamination Certificate

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Telephone system with current regulation in the constant...

Telephonic communications – Subscriber line or transmission line interface – Power supply
Reexamination Certificate

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Tracking switchmode power converter for telephony interface...

Telephonic communications – Subscriber line or transmission line interface – Power supply
Reexamination Certificate

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Tracking switchmode power converter for telephony interface...

Telephonic communications – Subscriber line or transmission line interface – Power supply
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0
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