Audio message transfer sheet and manufacturing method...

Details Audio message transfer sheet and manufacturing method... Audio message transfer sheet and manufacturing method...

2004-08-30

2010-11-23

Kuntz, Curtis (Department: 2614)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Driven diverse static structure

C381S079000, C381S190000, C381S334000, C310S322000

Reexamination Certificate

active

07840017

ABSTRACT:
Sheet-like audio information recording/reproducing means capable of recording/reproducing audio information is sandwiched between two support sheets from front and back only in part of the area thereof and these two support sheets are further sandwiched between two surface sheets and the support sheets and surface sheets are bonded together.

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