4. Pulse or digital communications
  5. Systems using alternating or pulsating current
  6. Antinoise or distortion

Derek D. Kumar

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AM- compatible digital broadcasting method and system

Pulse or digital communications – Systems using alternating or pulsating current – Amplitude modulation
Reexamination Certificate

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AM-compatible digital broadcasting method and system

Pulse or digital communications – Systems using alternating or pulsating current – Amplitude modulation
Patent

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In-band on-channel digital broadcasting method and system

Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via frequency channels
Reexamination Certificate

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In-band on-channel digital broadcasting method and system

Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via time channels
Patent

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In-band on-channel digital broadcasting method and system

Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via frequency channels
Reexamination Certificate

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Profile ID: LFUS-PAI-P-144489

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