Circuit arrangement for establishing and terminating a data conn

Details Circuit arrangement for establishing and terminating a data conn Circuit arrangement for establishing and terminating a data conn

1981-07-24

1984-02-28

Rubinson, G. Z.

179 2C, H04M 1108

Patent

active

044343264

ABSTRACT:
In a circuit arrangement for establishing and terminating a connection in a subscriber communication system, the arrangement including a data transmission device arranged to be connected to an associated subscriber line of the system and including a data terminal, a line connection device fed by the terminal, an automatic dialing device, a current supply fed through the subscriber line and a control device for performing and monitoring the sequence of individual operating states of the data transmitting device, a memory unit is connected for storing a representation of at least one operating state of the data transmission device.

REFERENCES:
patent: 3959778 (1976-05-01), Yves-Jean Brette
patent: 4150254 (1979-04-01), Schussler et al.
patent: 4291200 (1981-09-01), Smith
Melvin, Donald K.; LSI Applications in Telephone Instruments; Proceedings of the National Electronics Conference; vol. 32, Chicago, Ill., USA, (16-18 Oct. 1978), pp. 261-266.
Electronic Technology, vol. 15, No. 7, Jul./Aug. 1981, pp. 125-128; "Microprocessor Peripheral for Viewdata" by R. E. F. Bugg.
"Bildschirmtext-Beschreibung des Teilnehmerger/a/ tes und der Daten/u/ bertragungseinrichtung" by Bambach et al., Techn. Mitt AEG-Tel 69(1979), 4, pp. 136-140.
"Automatically Restarting a Microprocessor After Power Failure", Beaston, 699, Control Engineering, vol. 25, No. 12, (1978.12), pp. 84-85.
Article by Banbach, Koeck, Sch/u/ ssler, "Telecommunications Practice," vol. 56/1979, No. 24.

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