RU1796006C - Electronic-code locking device - Google Patents

Abstract

SUMMARY OF THE INVENTION: a device comprises: 1 code block (1), 1 generator (2), 2 counters (3, 4), 1 comparison block (5), 1 indicator (G). 1 shaper (7), 1 actuator (8), 1 dial cycle switch (16). 1-4-6-5, 1-9-11, 1-2-10-P. 11-4-1-3-5, 5-7-8, 7-16, 16-1. 1 s P. f-ly, 1 ill.

Description

The invention relates to locking devices and can be used to protect various objects and premises from unauthorized access to. him.

An electronic code device is known comprising a generator connected to the first output of the code dialing unit and a cycle counter connected to the second output of the code dialing unit, connected to the comparison unit with the first outputs, an indicator and an actuator. This device has a high speed in the set of code. However, it does not allow to achieve a technical result due to the limited scope of its application due to the lack of possibilities to change the conditions for typing the code, which also reduces its cryptographic strength and ease of use.

The technical result when using this device in practice is to expand the scope of the device by changing the dialing conditions when the cipher is incorrectly fixed, which makes it difficult to dial and increases the cryptographic stability of such security systems. In addition, the use of this technical solution in code-blocking security systems increases the usability of it.

The invention is based on the fact that in the known device comprising a generator connected to the first output of the code block and a second output of the code block, a cycle counter, the first outputs connected to the comparison unit, an indicator and an actuator, according to the invention, a symbol counter and a shaper are additionally introduced , a frequency switch, a frequency divider, an 2-OR element, a dialing cycle duration switch, the second output of the code dialing unit being connected to the first inputs of the frequency switch and formulator, the first output connected to the actuator and the first input of the dial cycle switch, the second input connected to the second output of the driver, the second and third inputs of which are connected to the second outputs of the loop counter, and the fourth input is connected to the output of the comparison unit, the second input connected to indicator input and output counter characters, the second and

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the third outputs of which are connected to the third and fourth inputs of the dialing cycle time switch, the output of which is connected to the input of the code dialing block, the third output of which is connected to the R-inputs of the frequency divider, cycle counter and character counter, the counting input connected to the output of the 2 AND-OR element, the first the input of which is connected to the first, and the second to the second outputs of the frequency divider, the second output of which is also connected to the second input of the frequency switch, the third input is connected to the fourth output of the code dialing unit, and The first input of the frequency switch is connected to the third input of the 2AND-OR element, the fourth input of which is connected to the second output of the frequency switch and the fifth input of the driver, and the output of the generator is connected to the counting input of the frequency divider, and the fact that the dialing cycle switch contains RS- trigger, AND, OR elements, with the R AND S inputs of the RS trigger being the first. and the second inputs of the dial cycle switch, the outputs of the RS-flip-flop are connected to the first inputs of the first and second AND elements, the second inputs of which are the third and fourth inputs of the dial cycle switch, the output of which is the output of the OR element, the inputs connected to the inputs of the AND elements .

The structure of the device is shown schematically in the drawing and comprises a code set block 1, a generator 2, a 3-cycle counter, a 4-character counter, a comparison block 5, consisting of a comparison circuit and connected to it according to the OR scheme of combining the same bits of the coding switches of each cipher symbol, groups of which are connected to the corresponding output of the decoder in counter 3, as well as indicator 6, driver 7, actuator 8, frequency switch 9, frequency divider 10, element 2 AND-OR, trigger 12, elements 13, 14, AND, element 15 OR and switch 16 dialing cycle duration.

The device operates as follows.

After the power is turned on, the switch 12 and the unit 1 are installed externally in O. At the same time, the counter 3, 4 and the divider 10 are set to O. The signal from the output of the counter 3 to the former 7 starts the initial state.

When a button is pressed in block 1, the generator 2 starts, the pulses from the output of which through the divider 10 and element 11

enter counter 4, the state of which is displayed for presentation to the user by indicator 6 in digital or binary codes. If the code dialed in block 5

if the first character is not displayed by the indicator block 6 soon, then after the end of the pulse from the output of the divider 10, when the button of the block 1 is pressed, in the corresponding trigger of the switch 9, the frequency switching, for example, to the increased one, is fixed, and the signal from the output of the last one disables the operation of the driver 7 and is allowed to the element 11 send to the counter 4 pulses of high frequency separator 10.

This quick enumeration of the symbols of counter 4 is carried out to reduce the time of approaching the area of location of the desired symbol. As soon as this zone, in the opinion of the user, is reached, it should

release the button in block 1. In this case, the switch 9, by means of its own setting and by the element 11, transfers the counter 4 to the initial counting mode with a frequency sufficient for the user to perceive the characters. The lock of the driver 7 from the switch 9 is removed and the device can fix the correct fixation of the next character corresponding to the lock cipher. The symbol is fixed by pressing the button of block 1 at the moment the indicator 6 lights up the corresponding symbol. If block 5 fixes the correspondence of codes accumulated in counter 4 and dialed in block 5, then in

the error trigger of the driver 7 will not be recorded, and according to the errors for all the fixed characters, the driver 7 generates an unlock signal to the mechanism 8 according to the status signal of the counter 3.

In this manner, the dialing of any unlock cipher is accelerated.

If an error occurs in cipher dialing by a signal from a single shoulder of the error trigger to shaper 7, trigger 12 changes its

the state, allowing the elements 14, 15 to set the unit 1 to its original state after a longer time than before by the elements 13, 15, by connecting an older bit to the output of the counter 4,

than with the correct cipher set. In this way, it is difficult for an outsider to select the cipher.

The changed duration is maintained until set correctly when trigger 12

returns to its initial state, reducing the dialing cycle by switching through the element 13 of the input element 15 to the lower level of the counter 4. This increases the cryptographic stability of the device.

Claims (2)

SUMMARY OF THE INVENTION 1. An electronic code blocking device comprising a generator connected to the first output of the code block and a second counter of the code block, connected to the comparison block by the first outputs, an indicator and an actuator, characterized in that the device additionally introduced a character counter, driver, frequency switch, frequency divider, 2-OR element, dialing cycle duration switch, the second output of the code dialing unit connected to the first inputs of the switch frequency bodies and shapers, the first output connected to the actuator and the first input of the dial cycle switch, the second input connected to the second output of the shaper, the second and third inputs of which are connected to the second outputs of the cycle counter, and the fourth input is connected to the output of the unit comparison, the second input connected to the indicator and the output of the character counter, the second and third outputs of which are connected to the third and fourth inputs of the dialing cycle duration switch, the output of the connected to the input of block code dialing, the third output which is connected to the R-inputs of the frequency divider, cycle counter and character counter, a counting input connected to the output of the 2-OR element, the first input of which is connected to the first and the second to the second outputs of the frequency depressor, the second output of which is also connected to the second input of the switch frequency, the third input connected to the fourth output of the code block, and the first output, the frequency switch is connected to the third input of the 2-OR element, the fourth input of which is connected to the second output of the frequency switch and the fifth input m shaper, and the generator output is connected to the counting input of the frequency divider. 2. The device according to claim 1, characterized in that the dialing cycle duration switch comprises an RS trigger, AND, OR elements, the R and S inputs of the RS trigger being the first and second inputs of the dialing cycle duration switch, outputs The RS flip-flops are connected to the first inputs of the first and second AND elements, the second inputs of which are the third and fourth inputs of the dialing cycle switch, the output of which is the output of the OR element, the inputs connected to the outputs of the AND elements.