4. Telephonic communications
  5. Supervisory or control line signaling
  6. Signal reception at substation

Jianfeng Liu

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Echo canceller and method of echo cancellation using an NLMS...

Telephonic communications – Echo cancellation or suppression – Residual echo cancellation
Reexamination Certificate

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Method and system for called party to provide indication...

Telephonic communications – Supervisory or control line signaling – Signal reception at substation
Reexamination Certificate

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Spring supported lower clamper for direct tensile test

Measuring and testing – Specimen stress or strain – or testing by stress or strain... – By loading of specimen
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2337699

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