SU1732487A1 - Device for automatic completion of call - Google Patents

Abstract

The essence of the invention: the device contains a ringing receiver 1, ringing unit 2, connection block 3, first converter 4, keyboard 5, electronic dialer 6, initial setting block 7, pulse key 8, conversational key 9, differential system 10, microphone circuit 11, telephone circuit 12, power supply unit 13, memory unit control unit 14, memory unit 15, number translation hold unit 16, first and second inverters 17 and 18, 13-1-2, 3-7-6-14 -19, 5-6-16, 8, 14-18-16- 6, 10-11. 10-12, 10-9,6-17-9. 4 il.

Description

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Claims (1)

Invention Formula A device for automatic connection, containing connected to the conclusions of the subscriber line, serially connected receiver of the ring signal and calling unit, serially connected connection unit and an initial installation unit, as well as a power supply unit, serially connected statistics, electronic dialer, memory block control unit, memory block 5, the outputs of which are connected to the information inputs of the electronic dialer, the second output of which is connected to the controller via the first inverter the entrance to the talk key, infor-u The 0 input of which is connected to the common bus and combined with the corresponding inputs of the power supply unit, the pulse key, the calling unit, the initial installation unit and the first full-wave output 5 rectifier, the inputs of which are connected to the corresponding outputs of the connection block, and the second output of the full-wave rectifier is connected to the output of the pulse key and the first input of the differential system, 0 the first and second outputs of which are connected to the inputs of the microphone and telephone circuits, respectively, and the second input of the differential system is connected to the output of the spoken key, with the output of the initial setup block5. The connector is connected to the input of the electronic dialer, the third output of which is connected to the second input of the control unit of the memory unit, characterized by that. that, in order to reduce the time 0 establishing the connection by eliminating unproductive employment when establishing a long-distance connection, the second inverter and the number 5 translation containment unit are entered in series, the first output of which is connected to the control input of the pulse key, and the second input of the number translation holding unit is connected to the fourth output of the electronic dialer, 0 third input and also input whose repeat is connected to the second output and the third input of the translation hold number, respectively, and the input of the second inverter is connected to the write output of the control block by the memory block, and the number hold translation block contains the second additional inverter connected in series whose input is the second input of the holding unit 0 translation of the number, the detector, in parallel with which the shunt resistor is connected, a capacitive drive connected between the detector output and the common bus, a series-connected threshold unit and 5, the first OR element, the second input of which is connected to the output of the third inverter, the second element OR of which inputs are connected to the output of the threshold unit and the first input of the broadcast holding unit, the first and second outputs of which are the outputs of the first and horny unit, respectively. the input of the second OR elements, and the second input of the broadcast holding unit number. Electr-ga # he is at $ 6 Fsh.g h L  CPU Ј fig.Z t | U threshold { and on & four - -f | U threshold { J Hold. KN