The detector twin sheets for automated apparatus for carrying out transactions

 

The invention relates to a sensor with improved signal-to-noise ratio, intended for use as a discriminator for determining Svornosti sheets in cash and other devices when using sheets with a large variety of properties. The technical result is to create a device to make transactions with controlled thickness gauge sheets. The device contains a device for distinguishing a single sheet from multiple sheets in the channel for transporting the sheets. Device for distinguishing sources of radiation at regular intervals. In the device produce output signals in accordance with the radiation intensity, which is defined for the specified periodic intervals. The output signals are combined, weighed and compared with the specified trading values. 8 C. and 33 C.p. f-crystals, 11 ill.

Description text in facsimile form (see graphic part).

Claims

1. Device for distinguishing a single sheet from multiple sheets in the channel for transporting the sheets containing the first radiation source is placed on the first side of the channel transportion intervals and the radiation from the first radiation source is directed to fall on the sheet in the channel for transporting the sheets, the first detector placed to receive radiation from the first radiation source, which is either reflected or passes through the sheet in the channel for transporting the sheets, and the first detector generates a first signal in response to the received radiation, the first signal shaper that provides the first signal and the first signal shaper is designed to generate a first output signal in response to the first signals, formed essentially during the first periodic intervals, the device Association associated with the first output signal, moreover, the device Association responds to at least the first output signal for forming a first measured value, a comparator, operatively associated with the first driver signal, and the comparator provides a comparison of the first measured value with a threshold value, and the ratio of the first measured value and the threshold value is changed depending on the first output signal, the ratio between the first measured value and the threshold value indicates whether scanned the single sheet or multiple sheet.

2. The device according to p. 1, otlichayushiesya sheets relative to the first detector, and the second detector placed to receive radiation from the first radiation source, which is either reflected or passes through the sheet in the channel for transporting the sheets, and the second detector generates a second signal in response to the received radiation, the second driver signal, which serves the second signal and the second signal shaper is designed to generate a second output signal in response to the second part of the signal, formed essentially during the first periodic intervals, and the second output signal is fed to the comparator, the ratio of the measured value and the threshold also varies with the second output signal.

3. The device according to p. 1, wherein the first driver signal contains the first part of the circuit breaker, the first part of the circuit breaker provides amplification of the first signal, essentially only during the first periodic intervals and the weakening of the first signals, essentially, throughout the rest of the time, and the first part of the circuit breaker generates first signals breaker.

4. The device according to p. 3, wherein the first driver signal dopolnitelnye the first signals of the circuit breaker during the first time period, the first part of the circuit of the integrator generates first signals of the integrator corresponding to the first output signal.

5. The device according to p. 4, characterized in that it further comprises an actuator for moving the sheet in the channel for transporting the sheets, and a sheet moving in a channel for transporting the sheet passes between the first radiation source and either the first or the second detector, essentially, for the first time.

6. The device according to p. 2, characterized in that the device associations should be provided with the second output signal, and the device Association responds to the first and second output signals for the formation of the measured value.

7. The device according to p. 6, characterized in that it further comprises a data memory, the data memory includes data representing the weighting coefficients, and the device Association operatively connected to the memory data and provides the use of weighting coefficients for the first and second output signals during the formation of the measured value.

8. The device under item 1, characterized in that it further comprises a processor, and the processor includes a comparator.

9. The device according to p. 7, characterized temi data and the processor includes a device Association, with the weighting coefficients applied to the first and second output signals correspond to the data stored in the data memory.

10. The device according to p. 2, characterized in that it further comprises a second radiation source is posted from the second side of the channel for transporting the sheets relative to the first radiation source, the second side being opposite the first side, the second radiation source emits radiation, essentially, for only the second periodic intervals, not corresponding to the first periodic intervals, and the radiation from the second radiation source is directed so as to fall on the sheet in the channel for transporting the sheets, and a second detector placed on the other side of the channel for transporting the sheets, and the third signal shaper, which serves the second signal and the third signal shaper ensures the formation of the third output signal in response to the second part of the signals formed essentially only during the second periodic intervals, while the third output signal is fed to the comparator, and the ratio of the measured tracenv from multiple sheets in the channel for transporting the sheets, comprising the steps of (a) the emission of radiation from the first radiation source for a number of first time intervals, (b) detecting the first radiation from the first radiation source, which is either reflected or passes through the sheet in the channel for transporting the sheets to the first detector, (C) forming a first detector sets the first signal in response to predetection radiation, (d) forming at least one first output signal in response to the first signals, formed essentially only during the first time intervals, including amplification of the first signal, essentially, during the first time intervals and the weakening of the first signals, essentially, throughout the rest of the time, (e) formation of the measured value in response to at least one first output signal, (f) comparing the measured value and the threshold value, and the ratio of the measured value and the threshold value is changed in accordance with at least one first output signal, and (g) determine whether a single sheet or multiple, in accordance with a result of comparing the measured value with a threshold value.

12. The way RA is Chania radiation from the first radiation source for a number of first time intervals, (b) detecting the first radiation from the first radiation source, which is reflected by the sheet in the channel for transporting the sheets to the first detector, (c) forming a first detector sets the first signal in response to predetection radiation, (d) detecting a second radiation detector from the first radiation source that has passed through the sheet in the channel for transporting the sheets to the second detector; (e) forming a second detector of the second set of signals in response to predetection radiation, (f) forming at least one first output signal in response to the first signals, formed essentially only during the first time intervals, (g) forming at least one second output signal in response to the second signals, formed essentially only during the first time intervals, (h) forming at least one measured value in response to first and second output signals, (i) comparing at least one measured value and at least one threshold value, and the ratio of the measured value and the threshold value is changed in accordance with the first and second output signals, and (j ) determine what achene with a threshold value of

13. The method according to p. 12, wherein step (h) includes applying a weighting factor to at least one of the first and second output signals.

14. The method according to p. 12, wherein step (f) comprises amplification of the first signal, essentially during the first time intervals and the weakening of the first signals, essentially, throughout the rest of the time, and step (g) includes a gain of the second signal, essentially during the first time intervals and the weakening of the second signals, essentially, throughout the rest of the time.

15. The method according to p. 12, characterized in that it further comprises (k) the emission of radiation from the second radiation source for a number of second time intervals, the second radiation source is placed on the second side of the channel for transporting the sheets relative to the first radiation source, the second side being opposite the first side, (l) detecting the second radiation from a second radiation source, which is reflected by the sheet in the channel for transporting the sheets to the second detector (m) forming at least one third output signal in response to the second signals, sformirovannie is generated in response to at least one third output signal.

16. Device for distinguishing a single sheet from multiple sheets in the channel for transporting the sheets containing at least one radiation source is placed on the first side of the channel for transporting the sheets, at least one detector placed for measuring radiation from a radiation source, which is reflected and/or passes through the sheet in the channel for transporting the sheets, and the detector generates at least one signal in response to the measured radiation intensity, the schema associated with the at least one radiation source and at least one detector, moreover, the above schemes provide the radiation emitted by at least one radiation source only for a number of discrete intervals, and the strengthening of the at least one signal from at least one detector for only a set of intervals and the weakening of the at least one signal throughout the rest of the time, issuing at least one output signal indicating whether the sheet thickness of a single sheet or multiple sheets.

17. The method of distinguishing a single sheet and multi-sheet, consisting of a set of overlapping sheets, erway side of the sheet, (b) determining using a detector placed on the first side of the sheet, the first level of radiation from the first radiation source reflected from the first side of the sheet, (c) determining using a detector placed on the other side of the sheet, a second layer of radiation from the first source of radiation transmitted through the sheet, (d) irradiation of the second side of the sheet using a second radiation source, located on the second side of the sheet, (e) determining, using the detector, placed second side of the sheet, the third level of radiation from the second radiation source, reflected from the second side of the sheet, (f) forming at least one value associated with the first level, second level and third level, (g) comparing at least one value of at least one threshold, and the ratio of the at least one value of at least one threshold indicates whether the sheet is a single sheet or multiple sheet.

18. The method according to p. 17, wherein the detector determines at the step (C) a second radiation level is the same detector as the detector referred to in step (e), which defines the third level radiation.

19. The method according to p. 17, during the second time interval.

20. The method according to p. 19, wherein the first time interval and second time interval do not overlap.

21. The method according to p. 17, characterized in that the sheet has diverse characters printed on the first side and the second side, the method further includes the step of moving the sheet in the channel for transporting sheets, the steps (a) through (e) are performed repeatedly as the sheet is moved in the detection area.

22. The method according to p. 21, characterized in that it further includes the steps of forming a first reflectivity values in response to each of the multiple first level measured in step (b), and merging of multiple first reflectivity values for the formation of the accumulated first reflectivity values for the sheet.

23. The method according to p. 21, characterized in that it further includes the steps of forming the value of transmittance in response to each of the second set of levels formed in step (C), and combining multiple values of the bandwidth for the formation of the total value of bandwidth for the sheet.

24. The method according to p. 22, characterized in that it further includes the steps of forming snyadinsky set of values of the bandwidth for the formation of the accumulated value of bandwidth for the sheet, moreover, the step (f) includes applying at least one weighting factor to at least one of the accumulated values of the reflectivity and the accumulated value of the bandwidth.

25. The method according to p. 22, characterized in that it further includes the steps of forming the value of transmittance in response to each of the second set of levels formed in step (C) combining the set of values of the bandwidth for the formation of the accumulated value of bandwidth for the sheet, forming a second reflectivity values in response to each of multiple third levels formed in step (e), and merging of multiple second reflectivity values for the formation of the accumulated second reflectivity values for the sheet.

26. The method according to p. 25, wherein step (f) includes applying at least one weighting factor to at least one of the accumulated first reflectivity values, accumulated second reflectivity values and the accumulated values of the bandwidth.

27. The method according to p. 26, wherein in step (f) is a weighting factor is applied so that the expansion of the th second reflectivity values causes what is the ratio of the at least one value and at least one threshold, the comparison at step (g), tends to display multiple sheet.

28. The method according to p. 21, wherein steps (b) and (C) are performed during each of the multiple first periodic intervals, and the step (e) is performed during the second set periodic intervals, with the first periodic intervals do not overlap with the second periodic intervals.

29. The method according to p. 17, characterized in that in step (f) mentioned at least one value is generated by applying at least one weighting factor to at least one output signal corresponding to at least one of the above-mentioned first, second and third levels.

30. The method according to p. 29, characterized in that at least one weighting factor is applied so that the increase of the output signal, respectively, to increase the first level or the increase in third-level changes mentioned ratio in the direction of display of multiple leaf stage (g).

31. The method according to p. 17, characterized in that the first radiation source includes a source of infrared radiation.

32. The method according to p. 17, otlichit further includes the steps of moving the sheet in the channel for transporting the sheets, the deviation of the sheet from the channel for transporting the sheets in response to the fact that the ratio of the at least one value and at least one threshold, the comparison at step (g) indicates that the sheet is a multiple sheet.

34. The device distinguish single sheet and multi-sheet, consisting of a set of overlapping sheets containing sheet having a first side and a second side, at least one first radiation source from the first side of the sheet, at least one first detector with the first side of the sheet, and at least one first detector configured to measure a first level of radiation from the at least one first radiation source reflected from the first side of the sheet, at least one second radiation source from the second side of the sheet opposite the first side, at least one second detector on the second side of the sheet, and at least one second detector configured to measure a second level of radiation from at least one first radiation source which has passed through the sheet, and measuring the third level of radiation from at least one second radiation source, otrazhennoj the radiation source, with at least one first detector, with at least one second radiation source and at least one second detector, and at least one processor enables the distinction of the sheet as a single sheet or multiple sheet consisting of a set of overlapping sheets.

35. The device according to p. 34, characterized in that it further comprises a channel for transporting the sheets, and the sheet is moved in the channel for transporting sheets, the deflection device associated with the channel for transporting the sheets, and the deflection device operatively connected with at least one processor, the at least one processor is triggered in response to detection of the sheet as a multiple of the sheet, providing a deviation of the sheet deflection device from the channel for transporting the sheets.

36. The method of distinguishing a single sheet and multi-sheet, consisting of a set of overlapping sheets, comprising the steps of (a) irradiating the first side of the sheet using the first radiation source is placed on the first side of the sheet, (b) measuring with a detector placed on the first side of the sheet, the first level of radiation from the first source izlucheniya, the second level of radiation from the first source of radiation transmitted through the sheet, (d) irradiation of the second side of the sheet using a second radiation source, located on the second side of the sheet, (e) measuring with a detector placed on the other side of the sheet, the third level of radiation from the second radiation source reflected from the second side of the sheet, (f) determining whether the sheet is a single sheet or multiple sheet, in response to the first, second and third levels.

37. The method of distinguishing a single sheet from multiple sheets in the transport channel of sheets, comprising a) forming a radiation of at least one radiation source for a number of discrete time intervals, (b) measuring at least one detector of the radiation intensity from at least one source of radiation that is reflected and/or passes through the sheet in the channel for transporting sheets; (c) determining whether the sheet thickness of a single sheet or multiple thickness of the sheet, by amplifying signals corresponding to the intensity of radiation measured by at least one detector only during set time intervals, and attenuation of signals within the measuring radiation, passed through the sheet and reflected from the sheet.

39. The method according to p. 38, wherein step (C) includes combining at least one first value and at least one second value, and at least one first value corresponds to the first signal, generated in response to the measured radiation reflected from the sheet, and at least one second value corresponds to a second signal generated in response to measured radiation passing through the sheet.

40. The method according to p. 39, wherein step (C) includes the before mentioned Association applying at least one weighting factor to at least one of the at least one first value and at least one second value.

41. The method according to p. 38, characterized in that in stage (b) at least one detector measures the radiation reflected from the first side of the sheet within the first group of time intervals, and at least one detector measures the radiation reflected from the opposite side of the sheet within the second group of time intervals, and the first and second groups do not match.

 

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