4. Telephonic communications
  5. Diagnostic testing, malfunction indication, or electrical...
  6. Testing of subscriber loop or terminal

Charles William Berthoud

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Field layer speaker for consumer products

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic
Reexamination Certificate

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Flash-hook Caller ID

Telephonic communications – Reception of calling information at substation in wireline... – Blocking caller id transmission
Patent

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Method and apparatus for testing customer premises equipment ale

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Testing of subscriber loop or terminal
Patent

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Receipt of type II caller identification in multi-cordless...

Telecommunications – Radiotelephone system – Including private cordless extension system
Reexamination Certificate

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Remote control help feature

Coded data generation or conversion – Code generator or transmitter
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1615609

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