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US Patent 6921857 Electronic percussion instrumental system and percussion detecting apparatus therein

Patent 6921857 was granted and assigned to Roland Corporation on July, 2005 by the United States Patent and Trademark Office.

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Is a
Patent
Patent
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Patent attributes

Patent Applicant
0
Current Assignee
Roland Corporation
Roland Corporation
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
69218570
Patent Inventor Names
Kenji Hirano0
Kiyoshi Yoshino0
Masato Katsuda0
Date of Patent
July 26, 2005
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Patent Application Number
106274930
Date Filed
July 25, 2003
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Patent Citations Received
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US Patent 11854514 Drumhead with reduced volume
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US Patent 11922907 Electronic cymbal instruments and systems
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Patent Primary Examiner
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Jeffrey W Donels
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Patent abstract

An object of the present invention is to provide a percussion detecting apparatus, which is excellent in percussion feeling, and the percussion sounds of which are very small, in electronic percussion instrumental system. The percussion detecting apparatus is provided with a head prepared from a net-like raw material composed of a first net and a second net, the net-like raw material being obtained by such a manner that both the nets having been woven in accordance with plane weaving manner wherein the longitudinal and transverse fibers cross at right angles are laminated in such a way that the weave pattern directions thereof intersect obliquely with each other; and a head sensor which is in contact with the center position of the under side in the head and detects percussion with respect to the head as electric signal.

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