| 摘要 |
The connection arrangement according to he present invention is primarily intended to connect a loudspeaking device instead of the normal lowspeaking device in a telephone instrument of the "DIAVOX" type. The arrangement includes an extra push button (1) mounted on a circuit card (22) in the instrument. A cam shaft relay (4, 5) known per se is mounted near the push button support (1e) and on the card. The cam shaft relay is provided with a control member (5) having a first position which corresponds to the rest state of the instrument. Under the influence of the cradle group (18) of the instrument, the control member (5) can be set to a second position corresponding to the lowspeaking state. The push button is provided with actuating means (2) which, when the button is depressed, actuates the control member (5) to set it to a third position corresponding to the loudspeaking state of the instrument. |
