4. Recording, communication, or information retrieval equipment
  5. Video or audio transmission, recording or playback equipment
  6. Radio transceiver

Hongwei Xu

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Computer-based mobile phone handset

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Radio transceiver
Design Patent

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Oscillator arrangements with improved frequency stability

Oscillators – Frequency stabilization – Temperature or current responsive means in circuit
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2154219

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