4. Multiplex communications
  5. Communication techniques for information carried in plural...
  6. Combining or distributing information via frequency channels

Torbjörn Randahl

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Echo and distortion cancellation arrangement

Telephonic communications – Echo cancellation or suppression
Reexamination Certificate

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Echo canceling arrangement

Telephonic communications – Substation or terminal circuitry – For loudspeaking terminal
Reexamination Certificate

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Method and an arrangement for securing an ADSL connection

Telephonic communications – Subscriber line or transmission line interface
Reexamination Certificate

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Method and an arrangement for securing an ADSL connection

Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via frequency channels
Reexamination Certificate

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Method and arrangement for minimizing power dissipation in a...

Electrical computers and digital processing systems: support – Computer power control – Power conservation
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2585789

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