Plug, sound inputting and outputting apparatus, and noise...

Details Plug, sound inputting and outputting apparatus, and noise... Plug, sound inputting and outputting apparatus, and noise...

2007-09-04

2011-10-18

Cao, Phat (Department: 2814)

Electrical audio signal processing systems and devices

Acoustical noise or sound cancellation

C381S074000, C381S384000, C439S669000

Reexamination Certificate

active

08041047

ABSTRACT:
Herein disclosed a sound inputting and outputting apparatus for being connected to an external apparatus which includes a noise cancel signal production section, a storage section and a reproduction section, including: a first auricle mounting section; a second auricle mounting section; and a plug.

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patent: WO 02/052684 (2002-07-01), None

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