-
1.发明公开
公开(公告)号：EP1000524A1
公开(公告)日：2000-05-17
申请号：EP97947221.4
申请日：1997-12-09
IPC分类号： H04R1/04
CPC分类号： H04R1/04 , Y10T16/540256 , Y10T16/54028
摘要： An electrical contact free microphone attachment for a flip-type radio phone which has a flip (201), a microphone (211) mounted in said flip, a main set, an audio circuit installed in the main set, and a connecting device (202) for connecting the flip with the main set. The invention comprises a transformer having a primary coil (212), a secondary coil (214) and a core (213). The primary coil is arranged in the flip to connect with the microphone (211). The secondary coil is arranged in the main set to connect with the audio circuit. The core is fixedly arranged in an axial hole formed in the connecting device.
-
2.发明授权
公开(公告)号：EP1000524B1
公开(公告)日：2003-07-02
申请号：EP97947221.4
申请日：1997-12-09
IPC分类号： H04R1/04
CPC分类号： H04R1/04 , Y10T16/540256 , Y10T16/54028
摘要： An electrical contact free microphone attachment for a flip-type radio phone which has a flip (201), a microphone (211) mounted in said flip, a main set, an audio circuit installed in the main set, and a connecting device (202) for connecting the flip with the main set. The invention comprises a transformer having a primary coil (212), a secondary coil (214) and a core (213). The primary coil is arranged in the flip to connect with the microphone (211). The secondary coil is arranged in the main set to connect with the audio circuit. The core is fixedly arranged in an axial hole formed in the connecting device.
-
搜索结果
2 条记录 (耗时 0.008 秒)
