SU1335978A1 - Device for determining position of number on number axis - Google Patents

Abstract

The invention relates to computing. The purpose of the invention is to increase the speed of the device. The device contains four counters, two registers, two elements of comparison, an encoder, three flip-flops, a delay element, a pulse shaper, six AND elements and five OR elements. With a continuous increase in the monitored number by one, the device allows one to determine that this number belongs to several specified sub-bands, the transition when the upper i-ro sub-band exceeds the boundaries of the (i + 1) -ro sub-band. To do this, when the i-ro subband goes over the top by the overflow signal of one of the subband boundary counters, the subband number stored in the subband number is incremented by one. This number is converted by the encoder to the boundary codes (i + 1) -th. subranges and is written to registers. 1 il. a "b (L with iC /: SP with -vl 00

Description

The invention relates to a performance technique.

The purpose of the invention is to increase the speed of the device.

The drawing shows a diagram of the device.

The device contains an input counter 1, registers 2 and 3, elements 4 and 5

compare, counters

6

7 boundaries boost momentum arriving lia input

ranges, subrange number counter 8, encoder 9, triggers 10-12, pulse generator 13 delay element 14, AND elements 15-20, OR elements 21-25, and} formation input 26, initial installation input 27, account termination input 28 , outputs More than 29, Less than 30, and outputs 31 of the subband number.

The device works as follows.

The encoder 9 generates the values of the boundaries of the subranges from the 1st to the nth, and in the lower bits the direct code of the values of the boundaries of the subbands is formed, and in the higher bits the additional code of the difference between the higher bits of the subband edges. For example, if the number defining the lower boundary of the first range has the high-order code 0000000101, and the low-order bits 1110, then the corresponding code on the high bits of the encoder is 1111111011, and the younger bits of the encoder is 1110.

Before starting the operation, the signal on the input 27 of the initial setup of the device sets triggers 10 and 11, register 2, counters 1 and 6 to the zero state, and counter 8 to the subband number to the state of All Units. Then, the value of the lower limit for the first range appears on the outputs of the encoder 9, and

the output of the delay element 14 is a pulse, g is logical. With the arrival of the end pulse, the incoming to the control inputs of the account is to the input 28 of an indication of

the second register 3, and, through the elements OR 23 and AND 16, the counter 7, which records in the said register 3 and the counter 7 the value of the indicated boundary. The same pulse sets the counter 8 of the subband number to the zero state and, arriving through the OR element 21 at the counting input of the trigger 10, sets it to the unit state -. the

As the input counter 1 is filled, pulses periodically appear at its transfer output, posting 19 to the counter

drinking through the element of the input of the counter 7 ..

When the value in counter 7 enters within the first range at its transfer output, a signal arrives through the OR element 23 to the input of the pulse former 13 pulses. As a result of the counter 8, the subband numbers and to the inputs of the OR elements 21 and 22. When In this case, register 2 and counter 5 record the upper limit value of the first range, triggers 10 and 12 translate

c is in the zero state, the subband number 8 is set to the number of the second subband (the number of the first subband is 0, the second is 1, etc.), and the output of the upper subband appears at the output of encoder 9. The pulses from the transfer output of the counter 1 through the element And 19 begin to flow on the counting input of the counter 6.

When the value in counter 6 enters the limits of the second sub-band, at the transfer output of this counter, a signal arrives through the OTI element 23 to the input of the pulse former 13. As a result, a pulse is generated, which arrives at the input of the counter 8, the number of the subband and the inputs of the elementals OR 21 and 22. At the same time, the value of the upper limit of the second range is written to the register 3 and the counter 7, the triggers 10 and 12 are converted into one state, the counter 8 numbers the subband number is assigned the number of the third subband (i.e. the number 2), and the output of the encoder 9 shows the value of the upper boundary of that subband. In the future, the device works ana

0

five

The device counting trigger 11 is set to one. An accurate comparison is allowed.

If trigger 12 is in the single state, i.e., the test number is near the lower limit of the sub-band, the number of which is indicated in the counter 8 of the sub-band number, according to the state of trigger 10, it is allowed to compare the contents of counter 1 with the contents of register 2 or 3 corresponding element 4 or 5 comparisons, in case the number

lies below the lower limit of the subband; a single signal appears at the output of the OR element 24; if the number is above the lower limit of the subrange — a single signal appears at the output of the OR 25 element. In the case that the outputs Less than 30 and more than 29 devices have a logical zero, the number is within the subband whose number is indicated at the outputs 31 of the device.

Claims (1)

Invention Formula A device for determining the position of a number-on number axis, containing an input counter, an encoder, two registers, two comparison elements, two triggers, a subband number counter, four AND elements, two OR elements, a delay element, and a pulse shaper, and the information input of the device is connected to the counting input of the second counter, the outputs of the bits of which are connected to the first groups of inputs of the first and second elements of the comparison, the second groups of inputs of which are connected to the outputs of the bits of the first and second registers respectively information inputs of which are connected to the outputs of the encoder, the input of the initial installation of the device is connected to the inputs of the installation in the initial state of the input counter, the subband number counter and the first and second triggers and, through the delay element, to the input of the installation of the subband number into the zero state and with the first inputs of the first and second elements OR, the outputs of which are connected respectively to the counting input of the first trigger and the first inputs of the first and second elements I and the reverse and inverse outputs of the first the trigger is connected to the second inputs of the first and second elements, respectively, the outputs of which are connected to the recording control inputs of the first and second registers, respectively; the input of the device counting attribute is connected to the installation input of the second trigger in one state; the output of the pulse former is connected to the second inputs of the first and second the second element OR and with a countable input, 35978 house ten 15 20 25 thirty 35 40 45 50 55 the subrange number counter whose bit outputs are the device subband number outputs and connected to the corresponding encoder inputs, characterized in that, in order to improve speed, the first and second subband boundaries counters, the third trigger, the third, the fourth and the fifth OR elements and the fifth and the sixth AND elements, the input of the initial installation of the device is connected to the input of setting the first counter of the subband boundaries to the zero state and through the delay element to the installation input of the first register is in zero state, the direct output of the first trigger is connected to the first inputs of the third and fourth elements, the inverse output of the first trigger is connected to the first inputs of the fifth and sixth elements, the overflow output of the input counter is connected to the input of the third trigger to zero state and the second inputs of the third and fifth elements And, the outputs of which are connected to the counting inputs of the first and second counters of the subband boundaries, the overflow outputs of which are connected respectively to by moves of the third element OR, the output of which is connected to the input of the pulse generator, the output of which is connected to the installation input into a single state of the third trigger, the output of which is connected to the second inputs of the fourth and sixth elements AND whose outputs are connected to the control inputs of the first and second elements respectively comparisons, the first and second outputs of the inequality of which are connected respectively with the first and second inputs of the fourth and fifth elements OR, respectively, whose outputs are respectively Smaller and More Outputs, the direct output of the second trigger is connected to the third inputs of the fourth and sixth elements, the outputs of the encoder are connected to the information inputs of the first and second counters of subband boundaries, the recording control inputs of which are connected to the outputs of the first and second elements respectively. AND. thirty