4. Electric heating
  5. Metal heating
  6. By arc

Donald C. Richardson

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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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Automatic gain control circuit

Pulse or digital communications – Repeaters – Testing
Patent

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Circuit for modifying a clock signal to achieve a...

Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Rectangular or pulse waveform width control
Reexamination Certificate

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Differential current multiplexer for current switched DACs

Coded data generation or conversion – Analog to or from digital conversion – Digital to analog conversion
Reexamination Certificate

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Digital integrator for pulse-density modulation using an adder c

Pulse or digital communications – Pulse number modulation
Patent

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Profile ID: LFUS-PAI-P-658939

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