发明名称 |
Full circumferential geometry voice coil bobbin made with non-metal or metal |
摘要 |
An electromagnetic loudspeaker transducer; where its voice coil bobbin has a fully circumferential geometry to provide increased mechanical strength. When the bobbin to be made with sheet metal and sheet metal deep drawn it further provides a stiffened construction by work hardened metal during the process. The full circumferential bobbin made with metal also serve as a one turn coil to short out the induced current from back electromotive force due to the voice coil moving under the magnetic field from the audio transducer's motor structure. The bobbin also allows a support feature for the transducer diaphragm to attach to and avoid leaving a dent mark on sheet metal diaphragms. |
申请公布号 |
US2015264487(A1) |
申请公布日期 |
2015.09.17 |
申请号 |
US201414207645 |
申请日期 |
2014.03.13 |
申请人 |
Ku Edward |
发明人 |
KU Edward;WEISMAN Richard Louis |
分类号 |
H04R9/02;H04R1/00 |
主分类号 |
H04R9/02 |
代理机构 |
|
代理人 |
|
主权项 |
1. An audio transducer voice coil assembly comprising a monolithic cylindrical bobbin made of non-metal or metal with full circumferential geometry providing high mechanical strength. |
地址 |
Tuen Mun HK |