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

Wen F. Chang

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Infrared adapter for bidirectional infrared communication betwee

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent

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Method and apparatus for detecting the presence of a remote devi

Electrical computers and digital processing systems: support – Computer power control
Patent

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Method and apparatus for translating closed caption data

Television – Nonpictorial data packet in television format – Including teletext decoder or display
Patent

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Profile ID: LFUS-PAI-P-865241

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