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HyperSpike HyperSpike is a brand name for acoustic products manufactured by Ultra Electronics – Undersea Sensor Systems Inc. (USSI), in Columbia City, Indiana, HyperSpike is composed of a line of acoustic hailing devices that feature integrated electronics with a flat frequency response curve.〔(Frequency Response Curve on 2nd Page )〕 == History == HyperSpike was originally invented by Curt Graber of Wattre Corporation. In 2008, Wattre and Ultra Electronics – USSI signed a teaming agreement for the design and manufacture of an array of acoustic hailing devices.〔(News Release for Teaming Agreement )〕 Since then, over 8 new devices have been released.〔(Press Releases from the Last Year )〕 HyperSpike products currently hold the Guinness Book of World Records for loudest electro-acoustic projection device at 182.2 dB.〔(Guinness Book of World Records Certificate )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「HyperSpike」の詳細全文を読む
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