SU752441A1 - Device for receiving and transmitting television signals - Google Patents
Device for receiving and transmitting television signals Download PDFInfo
- Publication number
- SU752441A1 SU752441A1 SU782662457A SU2662457A SU752441A1 SU 752441 A1 SU752441 A1 SU 752441A1 SU 782662457 A SU782662457 A SU 782662457A SU 2662457 A SU2662457 A SU 2662457A SU 752441 A1 SU752441 A1 SU 752441A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- output
- communication line
- delay
- wires
- input
- Prior art date
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- Burglar Alarm Systems (AREA)
- Selective Calling Equipment (AREA)
Description
II
Изобретение относитс к телемеханике и предназначено дл использовани в комплекте много проводной системы телесигнализации. Оно может быть применено дл телесигнализации о состо нии рассредоточенных объектов в промышленности, энергетике, в служебных и бытовых помещени х н т.д.The invention relates to telemechanics and is intended for use with a multi-wire alarm system. It can be used for remote sensing of the state of dispersed objects in industry, energy, office and household premises, etc.
В многопроводных системах дл иэбирани контролируемых пунктов (КП) используютс комбинации проводов линии св зи. По этим проводам параллельным кодом передаютс от диспетчерского пункта (ДП) адресные импульсы . Достоинства многопроводных систем простота аппаратуры КП, что снижает их стоимость и повышает надежность работы системы 1.In multi-conductor systems, for the control of the controlled points (KP), combinations of communication wire are used. Along these wires, the parallel pulses transmit address pulses from the control room (DP). The advantages of multi-wire systems are the simplicity of the equipment KP, which reduces their cost and increases the reliability of the system 1.
Недостаток комбинационных систем - сложность многопроводной линии св зи, необходимой дл получени достаточного числа КП.The disadvantage of combinational systems is the complexity of the multi-wire communication line necessary to obtain a sufficient number of gearboxes.
Наиболее близким по технической сущности к предложе1шому вл етс устройство длй приема и передачи телесигналов, содержащее многопроводную линию св зи, соответствующий провод которой соединен со входом блокаThe closest in technical essence to the proposal is a device for receiving and transmitting television signals, containing a multi-wire communication line, the corresponding wire of which is connected to the input of the unit
питани , выход блока питани подключен к первым входам питани первого элемента И, первого элемента НЕ, первого и второго элементов задержки, вторые входы питани которых соединены с нулевым проводом пинии св зи, выход второго элемента задержки через параллельные цепочки из последовательно соединенных диода, резистора и контакта датчика подключен к соответствующим проводам линии св зи J21.power supply, the output of the power supply unit is connected to the first power inputs of the first element AND, the first element NOT, the first and second delay elements, the second power inputs of which are connected to the neutral wire of the communication line, the output of the second delay element through parallel circuits of series-connected diode, resistor and The sensor contact is connected to the corresponding wires of the communication line J21.
Недостатком известного устройства вл етс низка надежность.A disadvantage of the known device is low reliability.
Целью изобретени вл етс повышение надежности устройства.The aim of the invention is to increase the reliability of the device.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU782662457A SU752441A1 (en) | 1978-09-11 | 1978-09-11 | Device for receiving and transmitting television signals |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU782662457A SU752441A1 (en) | 1978-09-11 | 1978-09-11 | Device for receiving and transmitting television signals |
Publications (1)
Publication Number | Publication Date |
---|---|
SU752441A1 true SU752441A1 (en) | 1980-07-30 |
Family
ID=20784555
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU782662457A SU752441A1 (en) | 1978-09-11 | 1978-09-11 | Device for receiving and transmitting television signals |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU752441A1 (en) |
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1978
- 1978-09-11 SU SU782662457A patent/SU752441A1/en active
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