CABLE ASSEMBLIES FOR HEADPHONE DEVICES

    公开(公告)号:US20210400372A1

    公开(公告)日:2021-12-23

    申请号:US17303881

    申请日:2021-06-09

    申请人: Sonos, Inc.

    摘要: Headphone playback devices can include a cable assembly including a plurality of conductors extending between a first earpiece and a second earpiece. The cable assembly includes a jacket, a power conductor disposed within the jacket and coupled between a power source in the first earpiece and a wireless transceiver in the second earpiece. The cable assembly further includes a microphone conductor at least partially disposed within the jacket and coupled to a microphone in one of the earpieces. A shield is at least partially disposed between the power conductor and the microphone conductor to reduce electromagnetic interference between the two.

    Pipe-type cable system with electromagnetic field shaper
    2.
    发明授权
    Pipe-type cable system with electromagnetic field shaper 失效
    带电磁场整形器的管式电缆系统

    公开(公告)号:US4639544A

    公开(公告)日:1987-01-27

    申请号:US761537

    申请日:1985-08-01

    IPC分类号: H01B7/26 H01B9/06 H05K9/00

    CPC分类号: H01B9/0627 H01B7/26

    摘要: In an alternating current pipe-type cable system in which a group of individual insulated conductors are loosely disposed eccentrically within a conduit, an electromagnetic field shaping device interposed between the conductors and the conduit wall, so as to line the wall is configured so as to reduce eddy current losses in the conduit and in the conductors. The device is in the form of a slotted cylinder positioned so that the slot is diametrically opposite the group of conductors thereby to redistribute the magnetic flux induced. The device is preferably laminated in the radial and axial directions.

    摘要翻译: 在一组交替电流管式电缆系统中,一组单独的绝缘导体偏心地设置在导管内,插入在导体与导管壁之间的电磁场成形装置被配置为使得壁线被排列成 减少导管和导体中的涡流损耗。 该装置是开槽圆柱体的形式,其定位成使得槽与导体组直径相对,从而重新分布所引起的磁通量。 该装置优选地在径向和轴向方向上层叠。

    Pipe-type cable systems with reduced ac losses
    3.
    发明授权
    Pipe-type cable systems with reduced ac losses 失效
    具有减少交流损失的管道式电缆系统

    公开(公告)号:US3594492A

    公开(公告)日:1971-07-20

    申请号:US3594492D

    申请日:1969-09-30

    申请人: GEN CABLE CORP

    IPC分类号: H01B7/26 H01B9/02 H01B9/06

    CPC分类号: H01B9/02 H01B7/26 H01B9/0611

    摘要: A magnetic, low-loss liner in a metal pipe reduces the AC loss of high-voltage electrical cable enclosed within the pipe; or the cable in the pipe can be wrapped with a sheet or tapes of the magnetic low-loss material. Tapes used for the purpose can be plastic with suitable metal, such as ferromagnetic material of high permeability distributed through the plastic.