Telephone instruments
    1.
    发明授权
    Telephone instruments 失效
    电话乐器

    公开(公告)号:US4107481A

    公开(公告)日:1978-08-15

    申请号:US785559

    申请日:1977-04-07

    Applicant: Digby Redshaw

    Inventor: Digby Redshaw

    CPC classification number: H04M1/08

    Abstract: The invention relates to a switching device for energizing and de-energizing a telephone instrument in response to removal and replacement of the handset. The device comprises a platform for receiving a capsule of the handset, the said platform being pivotal against a bias. The weight of the handset moves the platform to de-energize the device when the handset is in position on the instrument. The arrangement has the characteristic that secure location of the platform is provided whether the instrument is in the horizontal or the vertical mode.

    Abstract translation: 本发明涉及一种用于响应于手机的移除和更换而对电话乐器进行通电和断电的开关装置。 该装置包括用于接收手机的胶囊的平台,所述平台抵抗偏压是枢转的。 当手机在仪器上的位置时,手机的重量移动平台以使设备断电。 该装置的特征在于,无论仪器处于水平还是垂直模式,均提供平台的安全位置。

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