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Adaptive filter and echo canceller

Telephonic communications – Subscriber line or transmission line interface – Network interface device
Patent

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Adaptive filter including signal path compensation

Telephonic communications – Subscriber line or transmission line interface – Network interface device
Patent

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Adaptive filter system having mixed fixed point or floating poin

Telephonic communications – Subscriber line or transmission line interface – Network interface device
Patent

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Adaptive filter with coefficient averaging and method

Telephonic communications – Subscriber line or transmission line interface – Network interface device
Patent

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Adaptive filtering method and apparatus employing modified fast

Telephonic communications – Subscriber line or transmission line interface – Network interface device
Patent

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Adaptive frequency dependent compensation for telecommunications

Telephonic communications – Subscriber line or transmission line interface – For line length compensation
Patent

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Adaptive hybrid

Telephonic communications – Subscriber line or transmission line interface – Hybrid circuit
Patent

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Adaptive linefeed control for varying load on a subscriber loop

Telephonic communications – Subscriber line or transmission line interface
Reexamination Certificate

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Adaptive signal processing device, echo suppressing device and h

Telephonic communications – Subscriber line or transmission line interface – Protective circuit
Patent

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Adaptive sparse echo canceller using a sub-rate filter for activ

Telephonic communications – Subscriber line or transmission line interface – Network interface device
Patent

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Adjunct interface apparatus for a telephone set

Telephonic communications – Subscriber line or transmission line interface
Patent

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Adjustable hybrid having dial tone alignment configuration

Telephonic communications – Subscriber line or transmission line interface – Hybrid circuit
Reexamination Certificate

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Adjustable hybrid having improved biasing configuration

Telephonic communications – Subscriber line or transmission line interface – Hybrid circuit
Patent

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Adjustable integrated/discrete-element line current controller i

Telephonic communications – Subscriber line or transmission line interface – Network interface device
Patent

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ADSL front-end in a low voltage process that accommodates...

Telephonic communications – Subscriber line or transmission line interface – For line length compensation
Reexamination Certificate

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ADSL integrated line card with digital splitter and POTS CODEC w

Telephonic communications – Subscriber line or transmission line interface
Patent

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Alarm of a telecommunications terminal connected to a LAN

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

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Analog modem overcurrent protection

Telephonic communications – Subscriber line or transmission line interface – Protective circuit
Reexamination Certificate

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Analog subscriber circuit

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

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Analog successive approximation (SAR) analog-to-digital converte

Telephonic communications – Subscriber line or transmission line interface
Patent

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