Key telephone set having interchangeable units
    16.
    发明授权
    Key telephone set having interchangeable units 失效
    钥匙电话机具有可互换单元

    公开(公告)号:US07519176B2

    公开(公告)日:2009-04-14

    申请号:US10764543

    申请日:2004-01-27

    申请人: Masafuku Akatsu

    发明人: Masafuku Akatsu

    IPC分类号: H04M1/00 H04M9/00

    CPC分类号: H04M9/002 H04M1/02

    摘要: A key telephone set comprises a telephone main body, an interchangeable dial button unit, an interchangeable line button unit, and an interchangeable display unit. The interchangeable dial button unit, the interchangeable line button unit and the interchangeable display unit are attached to the telephone main body while they can be detached from the telephone body from a top surface side of the key telephone set without disassembly of the telephone main body.

    摘要翻译: 钥匙电话机包括电话主体,可互换拨号按钮单元,可互换行按钮单元和可互换显示单元。 可互换拨号键单元,可互换行按钮单元和可互换显示单元附接到电话主体,同时可以从电话主体从键盘电话机的顶面侧拆下电话主体而不拆卸电话主体。