发明名称 Inflight headset for civil aircraft
摘要 The present invention relates to an inflight headset for civil aircraft and in particular to one comprising a pair of main body portions each having a cylindrical member formed integrally therewith, a pair of covers each connected to one of the main body portions, a headband each end of which is provided with a collar having a protuberance at its lower end, a pair of ear cushions each connected to one of the main body portions, and a pair of acoustic pipes each connected to one of the main body portions.
申请公布号 US4554993(A) 申请公布日期 1985.11.26
申请号 US19840629603 申请日期 1984.07.11
申请人 HOUNG, HUANG-KIANG 发明人 HOUNG, HUANG-KIANG
分类号 H04M1/05;(IPC1-7):H04M1/05 主分类号 H04M1/05
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