4. Oscillators
  5. Automatic frequency stabilization using a phase or frequency...
  6. With intermittent comparison controls

Leo L. Li

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Dual band transmitter for a cellular phone comprising a PLL

Oscillators – Automatic frequency stabilization using a phase or frequency... – With intermittent comparison controls
Patent

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High dynamic range mixer having low conversion loss, low local o

Telecommunications – Receiver or analog modulated signal frequency converter – Frequency modifying or conversion
Patent

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System and process for shared frequency source multi-band...

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

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Transmitter circuitry for a cellular phone

Telecommunications – Transmitter – Angle modulation
Reexamination Certificate

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