您的位置: 首页 > 农业专利 > 详情页

Hearing protection device with sound reflectors
专利权人:
GN Hearing A/S
发明人:
RAFT, Casper Silbo
申请号:
AU2019222917
公开号:
AU2019222917A1
申请日:
2019.08.30
申请国别(地区):
AU
年份:
2020
代理人:
摘要:
#$%^&*AU2019222917A120200409.pdf#####ABSTRACT A hearing protection device comprising a first ear protector, the first ear protector comprising at least a first sound attenuation body, a first receiver, and a first primary microphone, the first sound attenuation body comprising a cup portion providing a noise 5 dampening space, the cup portion having a peripheral part comprising a forward facing part, a rearward facing part, an upper part and alower part, the cup portion further comprising: an outer surface facing the ambient space; an inner cup portion accommodating the first receiver; a primary sound reception area positioned in a central area of the outer surface of the cup portion, where the central area is in an area which is 10 between 20 and 80 % of the length between the forward facing part and the rearward facing part; and at least a first sound reflector configured to reflect and direct sound waves towards the primary sound reception area, where the first sound reflector is positioned in an area on the outer surface between the sound reception area and the peripheral part of the cup portion. 151/7 4 2 3 34 30 36 24 28 14B O26 12O 32 10 14A 8 52 74 56 5 16A, 18A, 20A, 130 22A, 24A / 050 6 72 58, 60 114, 116 70 Fig. 1
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

意 见 箱

匿名:登录

个人用户登录

找回密码

第三方账号登录

忘记密码

个人用户注册

必须为有效邮箱
6~16位数字与字母组合
6~16位数字与字母组合
请输入正确的手机号码

信息补充