SU527828A1 - Recording device - Google Patents

Description

one

The invention relates to discrete communication systems, can be used in the equipment of telecontrol and tepar alarm of radio relay communication lines.

A recording device is known which contains an annular distributor, the triggers of which are connected to the corresponding, cells of the memory block.

The purpose of the invention is to simplify and increase the reliability of the device, so that in the proposed device the control input of the first trigger of the ring distributor is connected to the output of the NAND element, the first and second inputs of which are connected respectively to the output of the last trigger and the output of the last cell of the memory block, and the direct and inverse outputs of the flip-flops are connected to the synchronization inputs of the corresponding cells of the memory block.

The drawing shows the ycTpoJteTBa structural diagram.

Ring distributor 1 contains an even number of flip-flops 2, which are connected to the corresponding cells (triggers.) 3 memory blocks 4, and the control input of the first flip-flop 2 is connected to the output of the AND-HE element 5, the first and second inputs of which are connected respectively to the output the last trigger 2 and to the output of the last cell 3 of the memory block 4, and the direct and inverse outputs of the flip-flops 2 are connected to the synchronization inputs of the corresponding cells (flip-flops) 3 of the memory block 4.

The device works as follows

By applying a negative signal to the inputs 6 and 7. The device is reset to its initial state. In this case, all the triggers 2 and 3 are set to a state in which, at all direct outputs Q, a high potential is maintained. The recording device is triggered by a positive signal. Trigger on input 8. At the same time, a negative potential is generated at the output of the AND-NE element 5, which under the action of clock pulses arriving at inputs 9 and 10 sequentially in time, is formed at the outputs

Q, a then on the inverse outputs Q

The positive voltage drops at the outputs Q and Q of the distributor 1, affecting the synchronization inputs of the triggers 3 of the memory 4, convert the serial code at the input 11 into a parallel one. When the device is operating in the start-stop mode, the output Q of the last trigger 3 must be connected to one of the inputs of the AND-NOT element 5. Then, when for-

In order to maintain a positive voltage drop at the output Q of the last trigger 2 of the distributor 1, the last trigger 3 of memory 4 is negative, the signal from the output Q interrupts the periodic sequence at the input D of the first trigger 2.

In the continuous operation mode, the output of the last trigger 2 is not connected to the input of the NAND element 5. The recording cycle of the recording device repeats continuously until a negative signal Stop is received at the input of the NAND 5 element.

To register an n - bit binary number, n / 2 distribution cells and T1 memory cells are required.

Claims (1)

Claims of recording device, which are connected to the corresponding cells of the memory block, characterized in that, in order to simplify and increase reliability, the control input the first trigger of the ring distributor is connected to the output of the NAND element, the first and second inputs of which are connected respectively to the output of the last trigger and to the output of the last cell of the memory unit, and the direct and inverse outputs of the trigger are connected to the synchronization inputs of the corresponding memory cells. triple ring distributor, triggers 527828