4. Amplifiers
  5. With semiconductor amplifying device
  6. Integrated circuits

Harold F. Lewis

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Circuit for attenuation of echos caused by line variations...

Multiplex communications – Channel assignment techniques – Using time slots
Reexamination Certificate

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Home and small business phone system for operation on a single i

Multiplex communications – Wide area network – Packet switching
Patent

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Home and small business phone system for operation on a single i

Electric lamp and discharge devices: systems – Regulation of the control current and/or potential applied...
Patent

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Home and small business phone system for operation on a single i

Multiplex communications – Channel assignment techniques – Using time slots
Patent

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Home and small business phone system for operation on a single i

Electric lamp and discharge devices: systems – Current and/or voltage regulation – Regulator in shunt to the load device
Patent

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Profile ID: LFUS-PAI-P-252614

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