WO1993025980A1

WO1993025980A1 - Portable bank note discriminating device for visually handicapped person

Info

Publication number: WO1993025980A1
Application number: PCT/JP1993/000706
Authority: WO
Inventors: Shinichi Nakagawa
Original assignee: Shinichi Nakagawa
Priority date: 1992-06-15
Filing date: 1993-05-26
Publication date: 1993-12-23
Also published as: KR940701569A

Abstract

Even a visually handicapped person can identify bank notes that he (she) has with him (her), and can use such notes without danger of wrongly pay. A note is fed manually into the device to detect its magnetic and optical patterns. Then, a comparison calculation is executed to judge whether or not the data thus detected are within the range between the upper and lower limits of the typical values stored in advance for each of the circulating bank notes. He (she) can know the kind of the note or that the note cannot be identified. The device is driven by dry cells and portable even by a visually handicapped person. This device comprises a CPU (1), ROM (2), RAM (3), A/D converter (4), amplifier (5), pattern detection sensor (6), rotary encoder (7), DC-DC converter (8), timer IC (9), and buzzer (10).

Description

Description Portable bill validator for the visually impaired Technical field

The present invention recognizes a portable banknote identification for a visually impaired person by recognizing the type of the banknote possessed by the visually impaired person when the user possesses the banknote. About the vessel. Background art

As a conventional technology, as of March 1991, there was no portable bill validator for the visually impaired, so it was applied from a device for another use. Become. This is, for example, a multi-denomination banknote discriminator used in currency exchange machines and automatic depositing and dispensing machines.This device is improved to develop a portable banknote discriminator for the visually impaired. . As a method of discriminating banknotes by the multi-denomination banknote discriminating apparatus, by detecting the magnetic pattern and the optical pattern of the inserted banknote, the detected data is stored in advance and stored. By comparing and comparing whether or not each bill is within the range of the upper and lower limits of the reference value, the type and authenticity of the bill are discriminated. The power supply requires a DC 12 V, DC 24 V, etc. to operate the solenoid mode in addition to the control element and the pattern detection element. The solenoid is used to store bills in a stacker after discriminating the bills, and the motor is used to drive a belt that conveys bills.

Therefore, by improving the commercialized multi-denomination banknote discriminating device and developing a portable banknote discriminator for the visually impaired, which can be carried by a dry cell, the visually impaired people can enjoy a more fulfilling life. As an auxiliary device for sending It is intended to be used. Disclosure of the invention

The present invention provides a detecting means for detecting a magnetic pattern and an optical pattern of a banknote to be identified, and a through hole through which the banknote can sufficiently pass. The transport means for manually transporting the bills, and the magnetic pattern and the optical pattern detected by the transport means and the detecting means are stored in advance in a reference form for each bill. By comparing and calculating whether the value is within the range of the upper limit value and the lower limit value, an identification means for identifying whether the force corresponds to any banknote or does not correspond to any banknote, and a power supply The battery is a dry battery, so the power input means for turning the power on and off with the switch, and knowing the state of exhaustion of the dry battery prevents the battery from suddenly becoming inoperable. Voltage drop detection means and banknote recognition In the event that the user forgets to turn off the power switch later, in order to avoid wasting the dry battery, the operating state monitoring means for monitoring the operating state when the switch is turned on, and the operating state monitoring means. And an output unit for outputting each result as a sound in the visual unit, the battery voltage drop detection unit, and the identification unit. BRIEF DESCRIPTION OF THE FIGURES

FIG. 1 is a block diagram of a portable bill validator for the visually impaired according to the present invention.

FIG. 2 is a perspective view of a portable bill validator for the visually impaired according to the present invention.

FIG. 3 is a perspective view of a portable bill validator for the visually impaired according to the present invention. BEST MODE FOR CARRYING OUT THE INVENTION

Next, a theoretical embodiment of the present invention will be described with reference to the drawings.

The portable bill validator for the visually impaired shown in the figure includes a CPU 1, a R0M2, a RAM 3, a AZD converter 4, an amplifier 5, a notch detection sensor 6, and It comprises a rotary encoder 7, a DC-DC converter 8, a timer IC 9, and a buzzer 10.

The mouth encoder 7 converts the rotation amount into a pulse number, and outputs a pulse number proportional to the rotation amount of a mouth described later.

The pattern detection sensor 6 includes a hole sensor that detects a magnetic pattern of a bill and a reflective photosensor that detects an optical pattern, and converts the detection results into analog signals. The reflection type photo sensor has a structure in which a light emitting element and a light receiving element are juxtaposed in the same direction, and detects reflected light from an object to be detected.

The amplifier 5 amplifies the analog signal output from the pattern detection sensor 6.

The AZD converter 4 converts the analog signal output from the amplifier 5 into a digital signal.

The CPU 1 controls each unit and performs arithmetic processing on the detected data. '

R 0 M 2 is a read-only memory in which the program for controlling each unit by CPU 1 and the data of the upper limit value and the lower limit value of the reference value of each bill are stored.

The RAM 3 outputs a pulse from the rotary encoder 7 at each predetermined fixed rotation angle of a roller described later, and the analog signal output from the pattern greeting sensor 6 at that time is output by the amplifier 5. Is amplified and The amplified analog signal is converted to a digital signal by the A / D converter 4, and the output digital signal temporarily stores the value taken into the CPU 1. This is a random access memory used by the CPU 1 as a working register for controlling each unit.

D C — D C converter 8 connects two AA batteries in series,

Boosts the voltage of V to generate DC 5 V required for other elements.

Timer IC 9 has a built-in reference voltage circuit and a comparator, and boosting the voltage significantly reduces the consumption of dry batteries. When turning on the power switch to avoid wasting the battery, avoiding sudden operation failure, and forgetting to turn off the power switch after banknote recognition. This is to monitor the operating state of the system.

The buzzer 10 is for outputting a bill identification result and the like by sound. Next, FIGS. 2 and 3 are perspective views of a portable bill validator for the visually impaired according to the present invention. With reference to these perspective views and the block diagram in FIG. 1, the mechanism, operation method, and bill discrimination method of the portable bill discriminator for the visually impaired according to the present invention will be described.

In the figure, reference numeral 11 denotes a main body of a portable bill validator for the visually impaired. In addition, 13 is a power bar for creating a through hole through which a banknote can pass sufficiently. The cover 13 and the main body 11 are connected at a portion 12, and the cover 13 has a mechanism that can be opened and closed from the main body 11. FIG. 2 shows a state in which the power cover 13 is open, and FIG. 3 shows a state in which the cover 13 is closed. The portion 14 is slightly lower than the upper surface of the main body so that the cover 13 can fit in the main body 11. Each of the parts 15 and 17 is provided with a mechanism to make it easy to pick up the end of the bill from the cover 13 and the main body 11 by the operation method of the portable bill finder for the visually impaired, which will be described later. Invented. 'Similarly, The portion 19 is for making the cover 13 easy to open from the main body 11. Next, the protruding portions of the banknotes 16A and 16B from the conveyance path surface are used to align the short-side end portions in the shape of the banknotes by the operation method. The protruding portions 16A and 16B of the bill from the transporting path surface and the end of the cover 13 on the side of the portion 15 are smooth when the cover 13 is closed by the main body 11. It has a mechanism that allows some clearance so that it can be transported manually. 21 is a power supply switch, and 18 next to it is an identification mark indicating the power supply switch 0N side. Further, reference numeral 22 on the paper money transport path is a roller, and the number of pulses proportional to the rotation amount of the roller 22 is output from the rotary encoder 7. 23 A, 23 B, and 23 C are Hall sensors, and 24 is a reflection type photo sensor. This reflection type photo sensor 24 overlaps the portion 20 when the force sensor 13 is closed by the main body 11. This portion 20 is recessed from the contact surface of the bill of the cover 13, so that when the bill is identified, it is determined whether or not the bill is present on the reflective photosensor 24. Judge based on the level value detected from the reflection type photo sensor 24. Although not shown in the perspective view, a lower part of the main body 11 is provided with a place for accommodating two AA batteries.

To identify bills using the portable bill validator for the visually impaired according to the present invention, first, two AA batteries are set in the main body 11. Next, the power switch 21 as the power input means is turned on. As a result, the DC-DC converter 8 boosts the voltage of DC 3 V and generates DC 5 V required for other elements. At this time, the battery voltage drop detection function is activated by the timer IC 9, and if the battery voltage is low, a buzzer 10 sounds an alarm sound. Also, when there is sufficient voltage, a beep is generated to confirm that the power has been turned on. This is the battery voltage drop detection means and its output means. Thereafter, the '' body '1 is in a state of waiting for bill recognition. This operation state The timer IC 9 is also used for monitoring. This is to avoid wasting the dry battery by forgetting to turn off the power switch 21 after banknote identification or leaving it for a long time with the power switch 21 on. If the banknote waiting state continues for a certain period of time, the buzzer 10 will generate a warning sound. This is the operating state monitoring means and its output means. In addition, as a method of determining whether or not the banknote is in the bill recognition waiting state, when the power switch 21 is turned on and the roller 22 rotates, a pulse is output from the rotary encoder 7 and input to the CPU 1. When the pulse is not input except during bill recognition, it is regarded as a bill recognition waiting state.

Then, the cover 13 is opened from the main body 11 and the short side end of the bill is aligned with the protruding portions 16A and 16B of the bill from the transport path surface, and then the cover 13 is closed and the bill is closed. Between the main body 11 and the cover 13. This banknote can be set in two patterns at both ends when the front side of the banknote is facing up, and at two sides when the backside is facing up. Then, while holding down the cover 13, grasp the ends of the banknotes from the part 15 of the cover 13 and the part 17 of the main body 11, and feel like lifting up the banknotes a little at the beginning. Slowly pull and manually transport to the end. With this conveying means and the detecting means, the magnetic pattern of the bill is detected by the Hall sensors 23A, 23B, and 23C, and the optical pattern is reflected by the reflection type photo sensor. By detecting from 24, it is possible to compare and calculate whether or not these detected data are within the range of the upper and lower limits of the reference value of each banknote stored in advance. To identify which banknotes apply or which do not. The arrow 25 indicates the direction in which bills are manually conveyed.

The conditions for starting the detection of these patterns are as follows: when the bill is sandwiched between the main body 11 and the cover 13, the analog output from the reflective photosensor 24, which is a part of the pattern detection sensor 6, is used. The signal is amplified by amplifier 5 and The analog signal is converted to a digital signal by the AZD converter 4 and is loaded into the CPU 1.The bill is inserted between the main body 11 and the cover 13 and is placed on the reflective photo sensor 24. The first condition is that the bill is within the range of the upper limit and the lower limit of the reference value that can be determined to be present. Then, by pinching the edge of the bill and slowly pulling it, the roller 122 rotates, and a pulse is output from the mouthpiece coder 7, and the pulse is output to the CPU 1. Is the second condition. Only when these two conditions are met will the detection of the magnetic and optical patterns of the note begin. Then, at every certain fixed rotation angle of the roller 22, the signal from the rotary encoder 7 is output. Is output and input to CPU 1. This pulse is input to CPU 1 as an interrupt signal. When an interrupt signal is input to CPU 1, the program that was being executed is temporarily suspended and the interrupt processing program is executed. The interrupt processing count is counted in the interrupt processing from the start of detection, and is temporarily stored in the RAM 3 as an interrupt processing count value.

The interrupt processing program itself detects the magnetic analog signal of the banknote at that position from the hall sensors 23A, 23B, and 23C, which are part of the pattern and turn detection sensor 6, and Then, the optical analog signal at the position of the bill is detected from the reflection type photo sensor 24 and output to the amplifier 5. Then, these analog signals are amplified by the amplifier 5 and output to the AZD converter 4. The analog signals are converted into digital signals, and the CPU 1 captures the values of the digital signals as detection data. This is the detection means. These detection data are stored in the data storage areas of the Hall sensors 23A, 23B, 23C, and the reflective photo sensor 2.4, which are secured in the RAM 3. The detected data is stored in ascending order of the interrupt processing count value. This ascending order means that the interrupt process This means that the count values are arranged from smaller to larger. Then, the interrupt processing count value is incremented, and the value is stored in RAM3. Here, the interrupt processing ends. After that, CPU 1 executes the suspended program again from the address following the suspended program address. In other words, the bills sandwiched between the main body 11 and the cover 13 are slowly pulled, and the rollers 1 and 2 are turned by the transport means for manually transporting the bills. A pulse is output from the rotary encoder 7 at each predetermined fixed rotation angle, and the CPU 1 performs an interrupt process, so that each data detection start point set for the bill is set. The magnetic detection data and the optical detection data from the point to the end point are detected by the detection means and stored in the RAM 3 sequentially. The detection data of the Hall sensors 23 A, 23 B, 23 C, and the reflection type photo sensor 24 stored in the RAM 3 are interrupted by an interrupt processing queue. The values are loaded into CPU 1 in ascending order. Then, the Hall sensor 23A, 23B, 23C, and the reflection type photo sensor of the interrupt processing count value at that time and the value stored in R0M2 are stored in R0M2. 24 By comparing the values of the upper and lower limit values of the reference value of each banknote corresponding to the respective detection data of 4 in ascending order in CPU 1 in order of ascending numbers, Identify if applicable or not applicable to any note. This is the means of identification.

Then, when the bills can be identified, a predetermined tone is generated by the buzzer 10 which is an output means by each bill. For example, for a Japanese bank note, a 1,000 yen note is set to one beep, a 5,000 yen note is set to two beeps, and a 10,000 yen note is set to three beeps. The number of tones of bills to be generated is generated from a buzzer 10 as an output means. If it does not correspond to any of the banknotes, it will not be recognized, and a sound of the identification error will be generated from the buzzer 10 which is the output means. After output of this identification result, it will be in the state of waiting for bill identification. Return. Finally, by turning off the power switch 21, the operation of the visually-impaired portable bill validator for the disabled by this development is completed.

The configuration, mechanism, operation method, and bill recognition method of the portable bill validator for the visually impaired by the development described above. Become a vessel.

The mechanism of the present invention and the type and number of dry batteries used may be changed without departing from the gist of the invention. Industrial applicability

As described above, according to the present invention, a through-hole through which a bill can sufficiently pass is made, a bill is passed through the hole, and the bill is conveyed manually by pulling by hand. A comparison operation is performed to determine whether the magnetic pattern and the optical pattern of the bill detected by the detecting means are within the range of the upper limit and the lower limit of the reference value of each bill stored in advance. This identifies whether it is applicable to any banknote or not. For this reason, a motor for driving a belt, which is a conventional bill transport element, and a solenoid, which is a conventional bill storage element, are unnecessary. As a result, it becomes a portable bill validator for visually impaired people driven by dry batteries.

However, due to mechanical problems, a single banknote recognition operation detects all magnetic patterns and optical patterns from the short end to the other end of the bill shape Since this cannot be done, the present invention is not for discriminating banknotes, but for the purpose of banknote identification.

Claims

Scope of the claim Make a detection means to detect the magnetic pattern and optical pattern of the banknote, and make a through hole through which the banknote can pass, and pass the banknote by hand through the banknote. In this manner, in the transporting means for manually transporting the banknotes, the magnetic pattern and the optical pattern of the banknotes detected by the transporting means and the detecting means are stored in advance. By performing a comparison operation to determine whether the bill is within the range of the upper and lower limits of the reference value, it is possible to identify whether the bill corresponds to any of the bills or not to any of the bills. Characterized as a portable bill validator for the visually impaired.