发明名称 GOLF CLUB HEAD AND GOLF CLUB
摘要 <p>PROBLEM TO BE SOLVED: To provide a wood club head, or especially a golf club head and a golf club having the golf club head, capable of regulating the maximum value of noise level of striking sound in striking a ball especially in a golf course or a golf training field to achieve both provision of striking feel and reduction of striking sound. SOLUTION: This golf club head is designed so that, in the golf course or the golf training field, or the like, when the golf ball 20 is struck with a golf club 1 by normal swing, with a microphone 30 disposed at a length L of 2 m from a set position of the golf ball 20 ahead of a golfer 10 and at a height H of 1.5 m, the maximum value Lmax of the noise level at this position (a sound pressure level added with characteristics A of a frequency correcting circuit) is 90.0 dB or more and 120.0 dB or less.</p>
申请公布号 JP2001231892(A) 申请公布日期 2001.08.28
申请号 JP20000044800 申请日期 2000.02.22
申请人 MIZUNO CORP 发明人 NAGAO YASUSHI;MASUDA NAOYUKI
分类号 A63B53/04;(IPC1-7):A63B53/04 主分类号 A63B53/04
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