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    • 1. 发明授权
    • Telephone
    • 电话
    • US5014302A
    • 1991-05-07
    • US536100
    • 1990-06-12
    • Markus KappelerBeat Voser
    • Markus KappelerBeat Voser
    • H04M1/02H04M1/723H04M9/00H04M9/02
    • H04M9/02H04M1/02H04M1/723H04M9/005
    • The invention relates to telephones that have a base and two handsets or one handset and a base acting as a second handset and which are adapted to be connected to two or more telephone lines. Unlike known telephones designed to be connected to a set number of lines and to no other, the telephone according to the invention comprises an adapter that enables it to be connected equally well to a single line as to two lines or more, depending on the maximum number of lines for which it has been designed, and to provide in each case the same scope for communication between parties as a known telephone connected to the same number of lines. The adapter preferably includes change-over switches that can be operated by acting on a control device that is accessible from outside the telephone, but it may also include change-over switches or wire connections located inside the telephone.
    • 本发明涉及具有基座和两个手机或一个手机的电话机和用作第二手机的基座,并且适用于连接到两条或多条电话线路的电话机。 与被设计为连接到设定数量的线路而不是其他设备的已知电话不同,根据本发明的电话机包括适配器,其使得其能够相对于两条线或更多条线路的单个线路同样良好地连接,这取决于最大 其设计的行数,并且在每种情况下提供与连接到相同数量的行的已知电话在各方之间的通信的相同范围。 适配器优选地包括可以通过作用在可从电话外部访问的控制装置来操作的转换开关,但是它也可以包括位于电话内部的转换开关或线路连接。