Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1998-04-28
1999-08-31
Tung, M. H.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
1402
Patent
active
D04133129
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PCY-350NR, SONY, selected pages, dated Oct. 24, 1991.
MACLIFE, p. 206, dated 1993.
Kabushiki Kaisha Toshiba
Tung M. H.
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