SU879826A1

SU879826A1 - Call transmitting device

Info

Publication number: SU879826A1
Application number: SU792755153A
Authority: SU
Inventors: Виктор Гершевич Бруд; Савелий Хаимович Левинзон; Аркадий Исаакович Ройтман; Валерий Наумович Тинтман; Ольга Леонидовна Шамсова
Original assignee: Предприятие П/Я В-2785
Priority date: 1979-04-13
Filing date: 1979-04-13
Publication date: 1981-11-07

Description

Изобретение относится к телефонии и может быть использовано в различных системах телефонной связи для посыпки вызова в абонентские оконечные устройства.The invention relates to telephony and can be used in various telephone communication systems to sprinkle a call to subscriber terminal devices.

Известно устройство посылки вызо- $ ва, содержащее подключенный к телефонной линии разговорный блок, входы которого соединены через резисторы с полюсами источника питания,блок фиксации вызывного сигнала с кнопкой ¹⁰вызова, выход которого подключен к одному из входов коммутатора, другой вход которого соединен с выходом генератора, опорного сигнала flj.A call sending device is known comprising a talking unit connected to a telephone line, the inputs of which are connected through resistors to the poles of a power source, a ring signal fixing unit with a call button ¹⁰ , the output of which is connected to one of the inputs of the switch, the other input of which is connected to the output generator, reference signal flj.

Однако известное устройство не ^,5обеспечивает высокой надежности работы из наличия источника высоковольтных сигналов, механического коммутатора, вызывающих необходимость в частом профилактическом ремонте.However, the known device does not ^{, 5} provides high reliability of operation from the presence of a source of high-voltage signals, a mechanical switch, causing the need for frequent preventive repairs.

Целью изобретения явлйется упроще< ние устройства путем исключения ист точника высоковольтных сигналов.The aim of the invention is to simplify the device by eliminating the source of high voltage signals.

Для этого в известное устройство посылки вызова, содержащее подключенный к телефонной линии разговорный блок, входы которого соединены через резисторы с полюсами источника питания, блок фиксации вызывного сигнала с кнопкой вызова, выход которого подключен из входов коммутатора, другой вход которого соединен с выходом генератора опорного сигнала, введены два электронных ключа, первые входы которых соединены с выходом коммутатора, при этом вторые входы электронных ключей соединены с соответствующими полюсами источника питания, а выходы подключены к входам, разговорного блока.To do this, in a known device for making a call, containing a talking unit connected to the telephone line, the inputs of which are connected through resistors to the poles of the power source, a ring signal fixing unit with a call button, the output of which is connected from the inputs of the switch, the other input of which is connected to the output of the reference signal generator , introduced two electronic keys, the first inputs of which are connected to the output of the switch, while the second inputs of the electronic keys are connected to the corresponding poles of the power source, and the outputs connected to the inputs of the conversational unit.

На чертеже представлена схема предложенного устройства.The drawing shows a diagram of the proposed device.

Устройство посылки вызова содержит разговорный блок 1, резисторы 2 и 3, блок 4 фиксации вызывного сигнала, кнопку вызова 5, коммутатор 6. гене ратор 7 опорного сигнала, электронные ключи 8 и 9, телефонную линию 10.The call sending device comprises a talking unit 1, resistors 2 and 3, a ring signal fixing unit 4, a call button 5, a switch 6. A reference signal generator 7, electronic keys 8 and 9, a telephone line 10.

Устройство посылки вызова работает следующим образом.A call device operates as follows.

В исходном состоянии к шинам абонентской линии приложены потенциалы +Е через резистор 2 и потенциалы Е через резистор 3. Блок 4 фиксации и коммутатор 6 выключены. Управляющие входы ключей 8 и 9 отключены от генератора 7 опорного сигнала.In the initial state, the potentials + E through the resistor 2 and the potentials E through the resistor 3 are applied to the buses of the subscriber line. The latching unit 4 and the switch 6 are turned off. The control inputs of the keys 8 and 9 are disconnected from the generator 7 of the reference signal.

При посылке вызова абонент нажимает кнопку вызова 5. Блок 4 фиксацииWhen making a call, the subscriber presses the call button 5. Block 4 fixation

879826 4 ние между шинами абонентской линии меняет свой знак на противоположный т.е. происходит периодическая переполосовка шин абонентской линии, и на разговорный блок 1 поступает переменное вызывное напряжение.879826 4 between the lines of the subscriber line changes its sign to the opposite i.e. there is a periodic re-stripping of the subscriber line tires, and an alternating ring voltage is supplied to the spoken unit 1.

Таким образом, использование предложенного устройства посылки вызова в системах телефонной связи позволит повысить надежность разговорно-вызывного тракта этих систем, а также позволит сократить эксплуатационные расходы на их содержание.Thus, the use of the proposed device for making a call in telephone communication systems will improve the reliability of the colloquial tract of these systems, as well as reduce operating costs for their maintenance.

включается и с его выхода на управляющий вход коммутатора 6 поступает открывающий сигнал, после чего генератор 7 опорного сигнала через включенный коммутатор 6 подключается· к управляющим входам ключей 8 и 9. Генератор 7 опорного сигнала вырабатывает периодическую последовательность токовых и бестоковых посылок.it is turned on and from its output to the control input of the switch 6 an opening signal is received, after which the reference signal generator 7 is connected via the included switch 6 to the control inputs of the keys 8 and 9. The reference signal generator 7 generates a periodic sequence of current and non-current transmissions.

Во время действия токовой посылки электронные ключи 8 и 9 открываются. На их выходах появляются соответственно потенциалы +Е и ”-Е”, которые поступают на шины телефонной линии 10. На выходе ключа 8 появляется потенциал +Е, поступающий на шину абонентской линии, изменяя ее потенциал на противоположный исходному. В тот же момент потенциал -Е с выхода электронного ключа 9 поступает на другую шину абонентской линии, также изменяя ее потенциал на противополож'ный.During the operation of the current package, the electronic keys 8 and 9 open. At their outputs, respectively, potentials + E and ”-E” appear, which are received on the telephone line buses 10. At the output of key 8, potential + E appears on the subscriber line bus, changing its potential to the opposite of the original one. At the same time, the potential -E from the output of the electronic key 9 goes to another bus of the subscriber line, also changing its potential to the opposite.

Во время действия бестоковой посылки ключи 8 и 9 закрываются и на ' шины телефонной линии 10, как в исходный момент снова поступают потен- : циалы +Е и -Е соответственно через резисторы 2 и 3.During the action of the currentless transmission, the keys 8 and 9 are also closed on the bus lines of the telephone line 10, as at the initial moment the potentials again come: + E and -E, respectively, through resistors 2 and 3.

Следовательно, при чередовании токовой и бестоковой посылок, навряже15Consequently, when alternating current and non-current packages, obviously 15

Claims

(54) DEVICE TO CREATE A CALL The invention relates to telephony and can be used in various telephone communication systems for making a call to subscriber end devices. It is known a paging device containing a talker unit connected to the telephone line, the inputs of which are connected via resistors to the poles of the power source, a latching signal fixation unit with a call button whose output is connected to one of the switches of the oral switch, another input of which is connected to the output generator, the reference signal is known device does not provide a high reliability of operation from the presence of a source of high-voltage signals, a mechanical switch, requiring the necessity of nical repair. The aim of the invention is to deactivate the device by eliminating the high-voltage signal source. To do this, to a known paging device containing a talker unit connected to the telephone line, the inputs of which are connected via resistors to the poles of the power source, a ring latching unit with a call button whose output is connected to the switch inputs, another input connected to the generator output the reference signal, two electronic keys are introduced, the first inputs of which are coepiHeHbJ with the switch output, while the second inputs of the electronic keys are connected to the corresponding poles of the power source, and the outputs dklyucheny to the inputs of spoken block. The drawing shows the scheme of the proposed device. The device of the call contains a conversational unit 1, resistors 2 and 3, the unit 4 fixing the signal, the call button 5, the switch 6. the reference signal generator 7, the electronic keys 8 and 9, the telephone line 10 The device for making the call works as follows. In the initial state, the potentials + E are applied to the terminals of the autonomous line through resistor 2 and potential E through resistor 3, Fixing unit 4 and switch 6 are turned off. The control inputs of the keys 8 and 9 are disconnected from the generator 7 of the reference signal. When the call is made, the subscriber presses the call button 5. The latching unit 4 is turned on and from its output the control input 6 of the switch 6 receives an opening signal, after which the reference signal generator 7 is connected to the control inputs of keys 8 and 9 via the switched on switch 6. 7 reference signal produces a periodic sequence of current and current parcels. During the operation of the current setup, the electronic switches 8 and 9 open. At their outputs, there appear, respectively, the potentials + E and -E, which are fed to the buses of the iO telephone line. At the output of key 8, potential + E, which arrives on the subscriber line bus, changes its potential to the opposite one. At the same time, the potential -E from the output of the electronic key 9 enters the other bus of the subscriber line, also changing its potential to the opposite. During the current-free parcel, the keys 8 and 9 are also closed on the buses of the telephone lines 10, as the initial momentum again receives the potentials + E and -E, respectively, through resistors 2 and 3. Therefore, when alternating current and current parcels occur, The user lines of the subscriber line change their sign to the opposite one. the subscriber line tires are periodically recalled, and a alternating ringing voltage is applied to the talker unit 1. Thus, the use of the proposed device for making a call in telephone communication systems will improve the reliability of the conversational-calling path of these systems and also reduce operating costs for their maintenance, the invention The device for sending a call containing a telephone unit connected to a telephone communication, whose inputs are connected through resistors with power supply poles, the latching signal latching unit with a call button, the output of which is connected to one of the switch inputs, the other input D which is connected to the output of the reference signal generator, characterized in that, in order to simplify the device by excluding the source of high voltage signals, two electronic switches are introduced, the first inputs of which are connected to the switch output while the second inputs of electronic switches are connected to the corresponding source poles power, and the outputs are connected to the outputs of the clearing unit. Sources of information taken into account. For examination 1; Apotovskip, EL and others. Directorate and Dispatcher Office Equipment M, Sv, 1975, p. 17-20 (prototype).