U.S. patent number D544,881 [Application Number D/254,580] was granted by the patent office on 2007-06-19 for audio recording and playing device. This patent grant is currently assigned to Kuo-Ping Yang. Invention is credited to Ming-Hsiang Cheng, Yen-Jui Chiao, Shu-Hua Guo, Kuo-Ping Yang.
United States Patent | D544,881 |
Yang , et al. | June 19, 2007 |
Inventors: | Yang; Kuo-Ping (Taipei, TW), Guo; Shu-Hua (Taipei, TW), Cheng; Ming-Hsiang (Taipei, TW), Chiao; Yen-Jui (Taipei, TW) |
---|---|
Assignee: | Yang; Kuo-Ping (Taipei,
TW) |
Appl. No.: | D/254,580 |
Filed: | February 27, 2006 |
Current U.S. Class: | D14/496 |
Current International Class: | 1403 |
Field of Search: | ;D14/496,401,435,474,483,217,137,138,160,168 ;345/156,169,173-179,905 ;715/727-729,864 ;455/11.1,7,73,344-347,93,95 ;370/342-344 ;369/1,2,6,12 ;463/43-47 ;273/148B |
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