SU995830A1 - Device for registering pricks at fencing - Google Patents

Description

(54) DEVICE OF REGISTRATION OF KNIVES AT FENCING

one

This invention relates to a device for recording pricks during fencing.

A device for registering pricks during fencing is known, which contains blocks of electrical contacts for athletes connected to corresponding blocks for registering injections and control recorders, and blocks for registering invalid injections, which are connected to corresponding blocks for registering injections and control recorders 1.

The disadvantage of this device is the low efficiency of the registration of injections.

The purpose of the invention is to increase the efficiency of recording injections.

The goal is achieved by the fact that the device for registering injections during fencing, containing blocks for electrical contacts of athletes, connected to the corresponding blocks for registering injections and control recorders, and blocks for registering invalid injections, connected to the corresponding blocks for registering injections and control recorders, has a pulse generator and an installation unit CONDITIONS of registration of pricks, the conclusions of which are connected to the corresponding inputs of interconnected registration blocks tin, control registers and invalid injections of recording units, which are connected to the clock terminal

5 corresponding to the outputs of the pulse generator 7.

FIG. 1 shows a block diagram of the device; in fig. 2 - functional device diagram.

. | Q The device for fencing injections contains blocks 1 and 2 of registration of injections, control recorders 3 and 4, block 5 of setting the conditions for registering injections, blocks 6 and 7 of registering invalid injections and generator 8 of pulses, while the terminals of block 5 are connected to the corresponding inputs of the connected between the blocks 1 and 2 of the registration of pricks, the control recorders 3 and 4 and the blocks 6 and 7 of the registration of invalid pricks, the synchronous inputs of which

20 are connected to the corresponding outputs of the generator 8 pulses.

Injections recording units 1 and 2 and control recorders 3 and 4 contain operational amplifiers 9-12 connected respectively via comparison circuits 13-16

and memory elements 17-20 with light indicators 21-24, and blocks 6 and 7 of the registration of invalid pricks include operational amplifiers 25 and 26, connected respectively to lamp indicators 27 and 28 via memory elements 29 and 30. Resistors 31 - 36 are also included in the device. Block 5 of setting the conditions for registering pricks has variable resistors 37-39.

The device works as follows.

In the initial state, the contacts of the tips of the rapiers C and D are closed. On the first INPUT, operational amplifiers 25 and 28 of blocks 6 and 7 of the registration of invalid scans of fencers A and B, from the outputs of generator 8, rectangular imulses are received, the amplitudes of which are determined by the divider formed by the resistances 32 and 33, 34 and 36.

At the first inputs of operational amplifiers 9-12 of the control recorders 3 and 4 and blocks 1 and 2 of the recording of injections, there are no input signals and they receive a zero potential through resistors 31 and 25. From the output of block 5, the reference voltages are fed to the second inputs of the operating amplifiers 9,10,25,11,12,26, and their magnitude is such that the output signals of the operational amplifiers do not turn on the memory elements 17, 1.8, 29, 19, 20, 30, and the light indicators 21, 22, 27, 23, 24, 28 not hot t.

In the case of an invalid injection, for example, athlete A, tip C opens and the amplitude of impulses of generator 8 is close to the voltage of the -fU power sources supplied to the first input of the operational amplifier 25, exceeds the threshold voltage at the second input of the amplifier 25. At the output of the operational an amplifier appears, which triggers the memory, and the light indicator 27 is turned on.

In the case of a valid prick in the swordsman's jacket B, the first input of the operational amplifier 9 receives. The amplitude of which is determined by the divider formed by the resistances 36 and 31 and exceeds the threshold voltage of the third amplifier supplied to the second input of the operational amplifier 9 from the block 5. At The output of the operational amplifier 9 appears pulses, which arrive at the first input of the comparison circuit 13. The second input of the comparison circuit 13 also receives control pulses from the generator 8. In this case, the pulse phases at both inputs of the comparison circuit coincide and the output of the comparison circuit appears the output signal for the operation of the memory element 17, which turns on the real injection registration lamp 21 .

The amplitude of the pulses arriving at the first voltage of the operational amplifier 10 of the control recorder also exceeds the reference voltage at the second input coming from block 5.

The output of the operational amplifier 10

pulses arriving at the first input of the reference circuit 18, and pulses from the generator arrive at the second input of this block. In this case, the phases of the pulses arriving at the inputs of the comparison circuit 18 do not coincide, and there is no signal at its output. In the case of the combination of an electrified jacket and the mass of the rapier of the same fencer A, the pulses on the fencer's jacket, whose amplitude will be

determined by the resistances 31-33, is fed to the first input of the operational amplifiers 9 and 10, the reference voltage at the second input of the operational amplifier 9 exceeding the amplitude of the input pulses, and

at the input of the operational amplifier 9, there is no signal.

The amplitude of the input pulses at the first input of the operational amplifier 10 exceeds the reference voltage at the second input, and at the output of the operational amplifier there appear pulses at the input of the comparison circuit that coincides with the control pulse at its second input.

At the output of the comparison circuit 14, a signal arrives at the memory element 18, which is triggered and turns on the control recorder registration lamp 22.

In the case of a fencer A being stabbed, a pulse arriving at the first input of coincidence circuit 13, whose phases do not coincide with the phase of pulses arriving from generator 8 at the second input of coincidence circuit 13, appears in a jacket of its own jacket at the output of operational amplifier 9. At the output of the circuit there is no signal and the inclusion of indicators 21 of the registration of the injection does not occur.

Similarly, the work of the registration channels and the control channel for the fencer B takes place, since the elements of both channels are of the same type. Their nutrition comes from

one source common to all channels, and adjustment of channels of the same type is made simultaneously from common resistances 37-39 of block 5.

The separation of the channels for recording real injections is achieved by using a generator 8 and coincidence circuits that control the phases of the pulses coming from the operational amplifiers of the channels and directly from the generator itself. Using the proposed device

It is possible to make a general adjustment of the channels by applying elements of one type of conductivity. In addition, it allows the power supply to exclude bipolar power, which halves the number of power sources. Using it increases the efficiency of recording injections.

Claims (1)

Invention Formula A fencing check-in device containing 0 blocks of electric contacts of athletes connected to the corresponding shot registration blocks and control recorders and invalid shot registration blocks connected to the corresponding shot registration blocks and control recorders, characterized in that, in order to increase the efficiency of the registration of shots , it has a pulse generator and a unit for setting conditions for registering pricks, the outputs of which are connected to the corresponding inputs of the plug between each other, the registration units for pricking, control recorders and the registration units for invalid injections, the synchronous inputs of which are connected to the corresponding outputs of the pulse generator. Sources of information taken into consideration during the examination 1. German patent No. 27238206 Cl. A 63 B 69/02, 1978.