SU533961A1 - Device for transmitting and receiving information - Google Patents

Description

The invention relates to the field of computing technology and can be used in automated control systems.

Devices for transmitting and receiving information between digital computing complex (PPM) 1 devices are known. They consist of input And output units and communication lines. Information is transmitted over i-lins by pulsed or potential signals. In the input device, the source signal is converted into a series of pulses. Unlinking of input and output units with a DC link is carried out with the help of a pulse transformer on-line.

The disadvantage of such devices is the impossibility of transmitting short pulse signals through the line due to the inertia of the pulse transformers.

Of the known devices, the device closest to the invention, but a technical entity, is a device for transmitting information between the devices of the pulp-and-paper plant 2. It contains input and output registers and a communication channel.

Such a device does not allow to transmit potential and pulsed signals on the same communication line and to ensure isolation of the devices connected by the line -

direct current. The connection of devices over a common wire leads to a large level of external impulse noise and increases the likelihood of errors in the operation of the CCPTS of the invention - the expansion of the application field of the device.

This is achieved by inserting a digital signal into a high frequency signal, a high pass filter and a detector in the device for transmitting and receiving information, the digital signal into a high frequency signal converter being connected to the output register and through a communication channel to a high frequency filter connected to the detector, and the detector is with the input register.

The introduction of a digital signal converter into a high-frequency signal, a high-pass filter, and a detector ensures the transmission and reception of potential and pulsed signals and the output of devices by DC current.

The drawing shows a block diagram of the device.

Claims (2)

It contains input 1 and BAY. ARRAY 2 registers, channel 3 communication, converter 4 digital signal into a high-frequency signal. Converter 4 is connected to the output register 2 and through a communication channel with a high-pass filter 5 connected to detector 6, and the output of the detector is connected to the input register 1. The device operates as follows. The potential or pulse signal from the output of the register 2 is fed to converter 4, which converts the video signal potential signal into a high-frequency pulse or continuous signal. This signal, via channel 3, is fed to the input of detector 6 through a high-pass filter 5. The detector osu1, enables the inverse conversion of a high-frequency signal to a pulse or potential one, which is sent to the input register 1. The device provides for the transfer of potential and pulse signals between PPM devices with connected devices being connected to DC but due to the conversion of the original signals into high-frequency signals and applying a high pass filter with coupling capacitors. An apparatus for transmitting and receiving information containing input and output registers, a communication channel, characterized in that, in order to expand the field of application of the device, a converter is inserted into it, a digital signal into a high-frequency signal, a high-pass filter and a detector, A digital-to-high-frequency signal converter is connected to an output register and through a communication channel to a high-pass filter connected to a detector connected to an input register. Sources of information taken into account in the examination: 1. Principles of construction of electronic-mechanical telegraphs. Ed. B.P. Terentyev. Ed. “Holy light, M., 1973, p. 47-51. 2. Avt. St. No. 14585, G 06F 3/04, 1974.