H - Electricity – 04 – M
Patent
H - Electricity
04
M
379/105
H04M 1/00 (2006.01) H04M 1/02 (2006.01) H04M 1/62 (2006.01)
Patent
CA 1124907
ABSTRACT OF THE DISCLOSURE The connection arrangement according to the present invention is primarily intended to connect a loud-speaking device instead of the normal lowspeaking device in a telephone instrument of the "DIAVOX" type. The arrangement includes an extra push button mounted on a circuit card in the instrument. A cam shaft relay known per se is mounted near the push button support and on the card. The cam shaft relay is provided with a control member having a first position which corresponds to the rest state of the instrument. Under the influence of the cradle group of the instrument, the control member can be set to a second position corresponding to the lowspeaking state. The push button is provided with actuating means which, when the button is depressed, actuates the control member to set it to a third position corresponding to the loudspeaking state of the instrument.
322384
Branden Leif
Lindman Borje L.
Marks & Clerk
Telefonaktiebolaget Lm Ericsson
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