Music – Instruments – Electrical musical tone generation
Reexamination Certificate
2007-08-14
2007-08-14
Donovan, Lincoln (Department: 2837)
Music
Instruments
Electrical musical tone generation
C084S41100A, C084S723000, C084S725000, C084S730000, C084S743000
Reexamination Certificate
active
10828192
ABSTRACT:
A sound pickup device, which is arranged in proximity to a percussion instrument (e.g., a bass drum), comprises a diaphragm stretched under tension over an opening of a shell having a cylindrical shape, and an electroacoustic transducer arranged inside of the shell. The electroacoustic transducer comprises a magnetic transducer or a speaker unit. Herein, the percussion instrument is played to produce the low-pitch sound, which is transmitted to the diaphragm to vibrate so that the electroacoustic transducer is activated to convert the low-pitch sound into an electric signal, based on which the low-pitch sound is reproduced by a sound system with a high fidelity to the original sound.
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Google Search: “define: electroacooustic transducer”, © 2005 Google, http://www.google.com/search?hl=en&lr=en&rls=GGLD%2CGGLD%3A2004-30%2CGGLD%3Aen&q=define%3A+electroacoustic+transducer.
Google Search: “define: mesh”, © 2005 Google, http://www.google.com/search?sourceid=navclient&ie=UTF-8&rls=GGLD,GGLD:2004-30,GGLD:en&q=define%3A+mesh.
German office action issued Jun. 7, 2005 with English translation of relevant portions.
English translation of relevant portion- of Japanese Office Action issued May 16, 2006.
Fukunaka Masako
Hagiwara Takashi
Oyama Kengo
Dickstein , Shapiro, LLP.
Donovan Lincoln
Russell Christina
Yamaha Corporation
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