4. Multiplex communications
  5. Wide area network
  6. Packet switching

Donald H. Friedberg

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Automatic clock switching

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

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Controlling SDRAM memory by using truncated burst read-modify-wr

Electrical computers and digital processing systems: memory – Storage accessing and control – Control technique
Patent

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Lock detector for phase-locked loop

Oscillators – Automatic frequency stabilization using a phase or frequency... – Afc with logic elements
Reexamination Certificate

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Time-division-multiplexed data transmission system

Multiplex communications – Wide area network – Packet switching
Patent

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Profile ID: LFUS-PAI-P-949043

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