SU799135A2 - Device for majority decoding of binary codes at triple doubling of messages - Google Patents

Description

The device contains controlled gates 1-3, information register 4, auxiliary register 5, element AND 6, element OR 7, adder 8, adder 9 modulo two, and controlled valve to.

To synchronize the operation of the device, external strobe signals are used, each of which controls the valves I, 2, 3 and. 10 and operates during the following of the corresponding part of the codogram arriving at the input of the device. The input signal is a three-time repeated binary sequence. Before taking a code, all bits are informational. register 4 and auxiliary register 5 are in the initial state.

The operation of the device is as follows.

The first codogram through the control valve I enters the information register 4. During the reception of the second part of the codogram, a control valve 2 is opened, through which it enters the input of element 6, to the second input of which the first codogram comes from the output of information register 4. The result of the logical multiplication during the reception of the second part of the codogram enters the auxiliary peracip 5. In this case, the first and second parts of the codogram are compared on adder 9 modulo two

In case of complete coincidence of both parts | the codograms of the polling pulse, passing through the open valve 1O, closes the controlled valve 2 (prohibits the reception of the third part) and allows the recording of the combination recorded in register 5 to the device output at a higher clock frequency.

If the first two parts do not match, the pulse from the output of the adder 9 modulo two closes the valve 1O, thereby prohibiting the passage of the ogphos signal to the control in the Auxiliary register 5. At the same time, the device continues receiving the remaining part of the codogram

Simultaneously with the procedure of comparing the first two parts of a codogram, the first part of the codogram from the output of information register 4 passes through the control valve 3, which is open only during the reception of the second part of the codogram, enters through the element OR 7 again to the input of information register 4, where and second

part of the codogram.

During the reception of the third part of the codogram, the signal through the open valve 2 is fed to the input of the element And 6, the second input of which receives the signal

from the output of the information register 4. The signal received by logical multiplication during the reception of the third part of the waveform, added to the signal from the output of the auxiliary register 5 to the adder 8, goes to the output of the device.

The device has more technical and economic efficiency than the known, since it has a large

speed (shorter signal delay time), since in most cases decoding ends before receiving the last message repetition.

Claims (1)

Formula of gain The device for the majority decod. - .. of binary codes 1fi threefold duplication of messages on the author. St. N9 387521, characterized in that, in order to improve speed, an additional valve and modulo two are entered into it, the inputs of which are connected to the inputs of the AND element, and the output through an additional valve is connected to the control input of the auxiliary register and to the second control input vented valve Sources of information taken into account in the examination. 1. USSR author's certificate 387521, cl. H 03 K 13/32, 09.15.71.