CN102831691A - Electromagnetic sensor-based coin sorting and counterfeit detecting device and sorting and counterfeit detecting method thereof - Google Patents
Electromagnetic sensor-based coin sorting and counterfeit detecting device and sorting and counterfeit detecting method thereof Download PDFInfo
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- CN102831691A CN102831691A CN2012102983982A CN201210298398A CN102831691A CN 102831691 A CN102831691 A CN 102831691A CN 2012102983982 A CN2012102983982 A CN 2012102983982A CN 201210298398 A CN201210298398 A CN 201210298398A CN 102831691 A CN102831691 A CN 102831691A
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Abstract
The invention discloses an electromagnetic sensor-based coin sorting and counterfeit detecting device which comprises an electromagnetic sensor, an exciting circuit, a detection circuit, an upper computer and a mechanical driving mechanism, wherein the electromagnetic sensor comprises an exciting coil and a detection coil; the exciting circuit is in circuit connection with the output end of the exciting coil; the detection circuit is in circuit connection with the output end of the detection coil; the upper computer is in circuit connection with output ends of the exciting circuit and the detection circuit; the exciting circuit and the detection circuit are used for detecting a mutual inductance value generated by detected coins; the mechanical driving mechanism is in circuit connection with the output end of the upper computer; the mechanical driving mechanism comprises a detection zone and a sorting zone; the detection zone penetrates through the part between the exciting coil and the detection coil; the sorting zone is provided with a plurality of outlets; and the outlets of the sorting zone are respectively connected to a plurality of external coil receiving points corresponding to different coins. According to the electromagnetic sensor-based coin sorting and counterfeit detecting device disclosed by the invention, the kinds and the authenticity of the coils are judged by detecting the mutual inductance value of the coins through the coils, and further the sorting and finishing work of the coins is finished. The electromagnetic sensor-based coin sorting and counterfeit detecting device has the advantages of quickness in counterfeit detection, accuracy in classification, convenience in implementation and the like.
Description
Technical field
The present invention relates to a kind of Coin discrimination technology of utilizing electromagnetic sensing technology, be specifically related to a kind of coin letter sorting and false-identifying device and letter sorting the method for distinguishing thereof based on electromagnetic sensor.
Background technology
In daily life and economic activity, coin has obtained a large amount of uses.Because little, the quantity of coin value is big, carry factor such as inconvenience, the letter sorting housekeeping of coin is a problem complicated and that be difficult to avoid always.
Especially in the mechanism that coins such as bank, large supermarket, public transport company are comparatively concentrated, the manual sorting takes time and effort, and more and more is difficult to adapt to the requirement of economic development.
Apparatus of the present invention realize the letter sorting arrangement according to the electromagnetic signature parameter of coin.Measured mutual inductance value signal is all very responsive to coin-size, coin thickness, coin material, coin shapes, is a kind of coin letter sorting and false-identifying device of classifying rapid, that identification is accurate, easy to operate, has higher utility.
Summary of the invention
The present invention provides a kind of coin letter sorting and false-identifying device and letter sorting the method for distinguishing thereof based on electromagnetic sensor, can accurate rapidly identification coin, and coin sorted and discrimination.
For realizing above-mentioned purpose, the present invention provides a kind of coin letter sorting and false-identifying device based on electromagnetic sensor, is characterized in that this device comprises:
Electromagnetic sensor, it comprises the drive coil and the magnetic test coil of coaxial setting;
Exciting circuit, its circuit connects the output terminal of above-mentioned drive coil;
Testing circuit, its circuit connects the output terminal of above-mentioned magnetic test coil;
Host computer; Its through the usb data line respectively circuit connect the output terminal of above-mentioned exciting circuit and testing circuit; The mutual inductance value that above-mentioned exciting circuit and testing circuit produce when detecting between drive coil and the magnetic test coil through tested coin, and transfer to host computer; And,
Mechanical transmission mechanism; Its inlet circuit connects above-mentioned host computer output terminal, and this mechanical transmission mechanism comprises detector segments and letter sorting section, and this detector segments is passed between above-mentioned drive coil and the magnetic test coil; Its import receives tested coin, and outlet connects the import of letter sorting section; Above-mentioned letter sorting section is provided with several outlets; The outlet of letter sorting section is connected to the coin acceptance point of several external corresponding different coins respectively, and the letter sorting section is sent to each corresponding coin acceptance point according to the steering order of host computer respectively with different tested coins.
Above-mentioned drive coil and the diameter of magnetic test coil, the coiling number of turn, coiling mode are all identical; Its coiling number of turn scope is 3 to 200 circles, and diameter range is 0.1 millimeter to 10 millimeters.
Above-mentioned exciting circuit adopts Direct Digital Synthesizer, and Direct Digital Synthesizer comprises digital controlled oscillator and the D/A converting circuit that circuit connects.
Above-mentioned testing circuit adopts multistage gain amplifying circuit, and this testing circuit also circuit is connected with the FPGA control signal.
A kind of based on the coin letter sorting of electromagnetic sensor and the letter sorting the method for distinguishing of false-identifying device, be characterized in that the method includes the steps of:
Step 1.1, according to the selected variety classes proof coin of coin category standard;
Step 1.2, mechanical transmission mechanism transmit various proof coins respectively and pass through electromagnetic sensor;
The mutual inductance value that step 1.3, exciting circuit and each proof coin of testing circuit extract real-time produce during through drive coil and magnetic test coil, and transfer to host computer;
Step 1.4, host computer carry out filtering and peak value seizure processing to the mutual inductance value of each proof coin, obtain corresponding standard mutual inductor value Lo of each proof coin and storage respectively;
Step 2.1, mechanical transmission mechanism transmit some tested coins successively and pass through electromagnetic sensor;
The mutual inductance value that each tested coin of step 2.2, exciting circuit and testing circuit extract real-time produces during through drive coil and magnetic test coil, and transfer to host computer;
Step 2.3, host computer carry out filtering and peak value seizure processing to the mutual inductance value of each tested coin, obtain the corresponding mutual inductance value L of each tested coin respectively, and the mutual inductance value L composition of these some tested coins and tested coin be mutual inductance value sequence { L} one to one;
Step 3.1, host computer are confirmed the error threshold
of measurement of mutual inductance; The size of
confirms that by the standard mutual inductor value Lo of correspondence its span is generally 0.05*Lo to 0.1*Lo;
Step 3.2, host computer from detect the mutual inductance value sequence { extract the pairing mutual inductance value of a tested coin L the L};
The corresponding standard mutual inductor value Lo of each proof coin compares in the mutual inductance value L of the tested coin that step 3.3, host computer will extract and the host computer; Judge the Currency Type of tested coin; If the relation of the standard mutual inductor value Lo that any proof coin is corresponding in the mutual inductance value L of the tested coin that extracts and the host computer is Lo-
≤L≤Lo+
, then this tested coin of judgement is the pairing Currency Type of this proof coin; If the relation of the standard mutual inductor value Lo that all proof coins are corresponding in the mutual inductance value L of this tested coin that extracts and the host computer does not all meet Lo-
≤L≤Lo+
, then this tested coin of judgement is counterfeit money or other classification coins;
Step 4.1, host computer are accomplished the judgement of tested coin Currency Type classification, send steering order to mechanical transmission mechanism;
Step 4.2, mechanical transmission mechanism receive steering order, and the tested coin that its letter sorting section will be accomplished the classification judgement according to the steering order of host computer is sent to corresponding coin acceptance point.
The coin letter sorting that the present invention is based on electromagnetic sensor is compared with the mode of available technology adopting manual sorting coin with false-identifying device and letter sorting the method for distinguishing thereof; Its advantage is; The present invention detects the mutual inductance value of coin through coil, and through detection and the host computer data analysis in real time of mutual inductance value, judges the kind and the true and false of coin; And under PC control; Mechanical transmission mechanism is accomplished the letter sorting housekeeping of coin, and the present invention utilizes measured mutual inductance value signal all extremely sensitive to coin-size, coin thickness, coin material, coin shapes, and dissimilar coins are had high discrimination; The electromagnetic signature parameter of employing coin is accomplished letter sorting, discrimination and the classified finishing work of coin rapidly, has to differentiate fast, sort out advantages such as accurate, that enforcement is convenient.Solve the coin letter sorting problem of mechanisms such as bank, public transport company, large supermarket, practiced thrift hand labor power and letter sorting time greatly.
Description of drawings
Fig. 1 is a kind of based on the coin letter sorting of electromagnetic sensor and the general structure block diagram of false-identifying device for the present invention;
Fig. 2 is a kind of based on the coin letter sorting of electromagnetic sensor and the circuit diagram of the exciting circuit of false-identifying device for the present invention;
Fig. 3 is a kind of based on the coin letter sorting of electromagnetic sensor and the circuit diagram of the testing circuit of false-identifying device for the present invention;
Fig. 4 is a kind of based on the coin letter sorting of electromagnetic sensor and the structural representation of the mechanical transmission mechanism of false-identifying device for the present invention;
Fig. 5 is a kind of based on the coin letter sorting of electromagnetic sensor and the process flow diagram of the letter sorting the method for distinguishing of false-identifying device for the present invention.
Embodiment
Below in conjunction with accompanying drawing, further specify the specific embodiment of the invention.
As shown in Figure 1, the invention discloses a kind of coin letter sorting and false-identifying device based on electromagnetic sensor, this device comprises electromagnetic sensor 4, exciting circuit 2, testing circuit 3, host computer 1.
When exciting circuit 2 and the tested coin of testing circuit 3 detections pass through between drive coil 41 and the magnetic test coil 42, the mutual inductance value that produces between drive coil 41 and the magnetic test coil 42, and transfer to host computer 1.
The diameter of drive coil 41 and magnetic test coil 42, the coiling number of turn, coiling mode are all identical, and its coiling number of turn scope is 3 to 200 circles, and diameter range is 0.1 millimeter to 10 millimeters.
As shown in Figure 2, exciting circuit 2 adopts Direct Digital Synthesizer (DDS), and Direct Digital Synthesizer (DDS) structurally comprises digital controlled oscillator (NCO) and the D/A converting circuit that circuit connects.Digital controlled oscillator (NCO) comprises phase accumulator and sine lookup table, is responsible for realizing generating according to frequency control word the digital waveform of corresponding frequencies.The digital amplitude values that D/A converting circuit is used for digital controlled oscillator NCO is produced at a high speed, the linear analog amplitude value that converts into.
As shown in Figure 3, testing circuit 3 adopts multistage gain amplifying circuit, and this testing circuit 3 is gone back circuit and is connected with the FPGA control signal; Relative position according to drive coil and magnetic test coil; The signal extraction quality is optimized in the selection that gains accordingly of FPGA control signal, improves Signal-to-Noise.
As shown in Figure 4, a kind of coin letter sorting based on electromagnetic sensor also includes mechanical transmission mechanism 5 with false-identifying device, and this mechanical transmission mechanism 5 adopts conveyer mechanism, and it comprises detector segments 51 and letter sorting section 52.This detector segments 51 is passed between drive coil 41 and the magnetic test coil 42, and the import of detector segments 51 receives tested coin 6, and tested coin 6 gets into this device through import.The outlet of detector segments 51 connects the import of letter sorting section 52.
The outlet of the import joint detection section 51 of letter sorting section 52, letter sorting section 52 is provided with several outlets, and each outlet of letter sorting section 52 is connected to the coin acceptance point of several external corresponding different coins respectively.
The inlet circuit of the controller of mechanical transmission mechanism 5 connects host computer 1 output terminal; Receive the steering order of host computer 1 in real time, the letter sorting section 52 of mechanical transmission mechanism 5 is sent to each corresponding coin acceptance point according to the steering order of host computer 1 respectively with different tested coins.
As shown in Figure 5, the invention discloses the letter sorting the method for distinguishing of a kind of coin letter sorting based on electromagnetic sensor and false-identifying device, the method includes the steps of:
Step 1.1, according to the selected variety classes proof coin of coin category standard, selected 1 piece of the proof coin of every kind of Currency Type, for example, the proof coin of different Currency Types such as first proof coin, second proof coin, the 3rd proof coin.
Step 1.2, each above-mentioned proof coin is positioned on the travelling belt of mechanical transmission mechanism 5 by detector segments 51 imports in the mechanical transmission mechanism 5, the detector segments 51 of mechanical transmission mechanism 5 transmits various proof coins between the drive coil 41 and magnetic test coil 42 through electromagnetic sensor 4 respectively successively.
The mutual inductance value that produces when step 1.3, exciting circuit 2 and each proof coin of testing circuit 3 extract real-time pass through drive coil 41 and magnetic test coil 42, and pass through the usb data line with data transmission to host computer 1.
The electromagnetic sensor 4 of step 1.4,1 pair of exciting circuit 2 of host computer and testing circuit 3 inputs detects the mutual inductance value of each proof coin and carries out filtering and peak value seizure processing, obtains corresponding standard mutual inductor value Lo of each proof coin and storage respectively.For example the standard mutual inductor value of first proof coin be the standard mutual inductor value of L1, second proof coin be the standard mutual inductor value of L2, the 3rd proof coin be L3 etc. by that analogy.
The some tested coin 6 that step 2, this device are differentiated needs sorts.Electromagnetic sensor 4 is measured tested coin mutual inductance value.
Step 2.1, each above-mentioned tested coin 6 is positioned on the travelling belt of mechanical transmission mechanism 5 by detector segments 51 imports in the mechanical transmission mechanism 5 respectively, the detector segments 51 of mechanical transmission mechanism 5 transmits these some tested coins 6 through between the drive coil 41 and magnetic test coil 42 of electromagnetic sensor 4 respectively successively.
The mutual inductance value that each tested coin 6 of step 2.2, exciting circuit 2 and testing circuit 3 extract real-time produces when passing through drive coil 41 and magnetic test coil 42, and pass through the usb data line respectively with data transmission to host computer 1.
Step 2.3,1 pair of electromagnetic sensor of host computer 4 detect the mutual inductance value of each tested coin 6 generation and carry out filtering and peak value seizure processing; Obtain the mutual inductance value L of each tested coin 6 correspondence respectively, mutual inductance value L composition that these some tested coins are corresponding and tested coin be mutual inductance value sequence { L} one to one.
Step 3.1, host computer 1 are confirmed the error threshold
of measurement of mutual inductance; The size of
confirms that by the standard mutual inductor value Lo of correspondence its span is generally 0.05*Lo to 0.1*Lo.
Step 3.2, host computer 1 are judged the Currency Type classification of tested coin 6 respectively.Each Currency Type of differentiating tested coin 6 is divided time-like, and the mutual inductance value sequence that host computer 1 obtains from detection { extracts tested coin 6 pairing mutual inductance value L the L}.
The corresponding standard mutual inductor value Lo of each proof coin compares in the mutual inductance value L of the tested coin that step 3.3, host computer 1 will extract and the host computer 1, judges the Currency Type of tested coin.
If the relation of the standard mutual inductor value Lo that any proof coin is corresponding in the mutual inductance value L of the tested coin that extracts and the host computer 1 is Lo-
≤L≤Lo+
, then this tested coin of judgement is the pairing Currency Type of this proof coin.For example; If the mutual inductance value L of tested coin 6 satisfies
; Wherein L1 is the standard mutual inductor value of first proof coin, judges that then this tested coin 6 belongs to the affiliated classification of first proof coin; If the mutual inductance value L of tested coin 6 satisfies
; Wherein L2 is the standard mutual inductor value of second proof coin, judges that then this tested coin 6 belongs to the affiliated classification of second proof coin; If the mutual inductance value L of tested coin 6 satisfies
; Wherein L3 is the standard mutual inductor value of the 3rd proof coin, judges that then this tested coin 6 belongs to the affiliated classification of the 3rd proof coin.
If the relation of the standard mutual inductor value Lo that all proof coins are corresponding in the mutual inductance value L of this tested coin 6 that extracts and the host computer 1 does not all meet Lo-
≤L≤Lo+
, then this tested coin of judgement is counterfeit money or other classification coins.
Step 4.1, host computer 1 are accomplished the judgement of tested coin 6 Currency Types classification, and send steering order to mechanical transmission mechanism 5.
Step 4.2, as shown in Figure 4, mechanical transmission mechanism 5 receives steering order, and the tested coin 6 that its letter sorting section 52 will be accomplished the classification judgement according to the steering order of host computer 1 is sent to corresponding coin acceptance point.
After the judgement of accomplishing a tested coin 6 and letter sorting, under host computer 1 instruction control and mechanical transmission mechanism 5 operations, move in circles and carry out step 2 to step 4, realize the letter sorting and the discrimination work of mass of coins.
Although content of the present invention has been done detailed introduction through above-mentioned preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple modification of the present invention with to substitute all will be conspicuous.Therefore, protection scope of the present invention should be limited appended claim.
Claims (9)
1. the coin based on electromagnetic sensor sorts and false-identifying device, it is characterized in that this device comprises:
Electromagnetic sensor (4), it comprises the drive coil (41) and the magnetic test coil (42) of coaxial setting;
Exciting circuit (2), its circuit connects the output terminal of said drive coil (41);
Testing circuit (3), its circuit connects the output terminal of said magnetic test coil (42);
Host computer (1); Its through the usb data line respectively circuit connect the output terminal of said exciting circuit (2) and testing circuit (3); The mutual inductance value of generation when said exciting circuit (2) and testing circuit (3) detect between drive coil (41) and the magnetic test coil (42) through tested coin (6), and transfer to host computer (1); And,
Mechanical transmission mechanism (5); Its inlet circuit connects said host computer (1) output terminal; This mechanical transmission mechanism (5) comprises detector segments (51) and letter sorting section (52); This detector segments (51) is passed between said drive coil (41) and the magnetic test coil (42), and its import receives tested coin (6), and outlet connects the import of letter sorting section (52); Said letter sorting section (52) is provided with several outlets; The outlet of letter sorting section (52) is connected to the coin acceptance point of several external corresponding different coins respectively, and letter sorting section (52) is sent to each corresponding coin acceptance point according to the steering order of host computer (1) respectively with different tested coins (6).
2. coin letter sorting and false-identifying device based on electromagnetic sensor as claimed in claim 1 is characterized in that diameter, the coiling number of turn, the coiling mode of described drive coil (41) and magnetic test coil (42) are all identical; Its coiling number of turn scope is 3 to 200 circles, and diameter range is 0.1 millimeter to 10 millimeters.
3. coin letter sorting and false-identifying device based on electromagnetic sensor as claimed in claim 1; It is characterized in that; Described exciting circuit (2) adopts Direct Digital Synthesizer (DDS), and Direct Digital Synthesizer comprises digital controlled oscillator (NCO) and the D/A converting circuit that circuit connects.
4. coin letter sorting and false-identifying device based on electromagnetic sensor as claimed in claim 1 is characterized in that described testing circuit (3) adopts multistage gain amplifying circuit, and this testing circuit (3) is gone back circuit and is connected with the FPGA control signal.
5. one kind based on the letter sorting the method for distinguishing of the coin of electromagnetic sensor letter sorting with false-identifying device, it is characterized in that the method includes the steps of:
Step 1, host computer (1) are demarcated standard coinage;
Step 2, electromagnetic sensor (4) are measured tested coin (6) mutual inductance value;
Step 3, host computer (1) according to the mutual inductance value of tested coin (6) to the judgement of classifying of tested coin;
Step 4, host computer (1) send instruction control mechanical transmission mechanism (5) according to tested coin (6) classification results tested coin (6) are sent to corresponding coin acceptance point, and jump to step 2.
6. as claimed in claim 5 a kind of based on the coin letter sorting of electromagnetic sensor and the letter sorting the method for distinguishing of false-identifying device, it is characterized in that said step 1 comprises:
Step 1.1, according to the selected variety classes proof coin of coin category standard;
Step 1.2, mechanical transmission mechanism (5) transmit various proof coins through electromagnetic sensor (4) respectively;
The mutual inductance value that produces when step 1.3, exciting circuit (2) and each proof coin of testing circuit (3) extract real-time pass through drive coil (41) and magnetic test coil (42), and transfer to host computer (1);
Step 1.4, host computer (1) carry out filtering and peak value seizure processing to the mutual inductance value of each proof coin, obtain corresponding standard mutual inductor value Lo of each proof coin and storage respectively.
7. as claimed in claim 5 a kind of based on the coin letter sorting of electromagnetic sensor and the letter sorting the method for distinguishing of false-identifying device, it is characterized in that said step 2 comprises:
Step 2.1, mechanical transmission mechanism (5) transmit some tested coins (6) through electromagnetic sensor (4) successively;
The mutual inductance value that produces when step 2.2, exciting circuit (2) and each tested coin (6) of testing circuit (3) extract real-time pass through drive coil (41) and magnetic test coil (42), and transfer to host computer (1);
Step 2.3, host computer (1) carry out filtering and peak value seizure processing to the mutual inductance value of each tested coin; Obtain the corresponding mutual inductance value L of each tested coin (6) respectively, the mutual inductance value L composition of these some tested coins (6) and tested coin be mutual inductance value sequence { L} one to one.
8. as claimed in claim 5 a kind of based on the coin letter sorting of electromagnetic sensor and the letter sorting the method for distinguishing of false-identifying device, it is characterized in that said step 3 comprises:
Step 3.1, host computer (1) are confirmed the error threshold
of measurement of mutual inductance; The size of
confirms that by the standard mutual inductor value Lo of correspondence its span is generally 0.05*Lo to 0.1*Lo;
Step 3.2, host computer (1) from detect the mutual inductance value sequence { extract the pairing mutual inductance value of a tested coin (6) L the L};
The corresponding standard mutual inductor value Lo of each proof coin compares in the mutual inductance value L of the tested coin (6) that step 3.3, host computer (1) will extract and the host computer (1); Judge the Currency Type of tested coin (6); If the relation of the standard mutual inductor value Lo that any proof coin is corresponding in the mutual inductance value L of the tested coin that extracts and the host computer (1) is Lo-
≤L≤Lo+
, then this tested coin (6) of judgement is the pairing Currency Type of this proof coin; If the relation of the standard mutual inductor value Lo that all proof coins are corresponding in the mutual inductance value L of this tested coin that extracts and the host computer (1) does not all meet Lo-
≤L≤Lo+
, then this tested coin (6) of judgement is counterfeit money or other classification coins.
9. as claimed in claim 5 a kind of based on the coin letter sorting of electromagnetic sensor and the letter sorting the method for distinguishing of false-identifying device, it is characterized in that said step 4 comprises:
Step 4.1, host computer (1) are accomplished the judgement of tested coin (6) Currency Type classification, send steering order to mechanical transmission mechanism (5);
Step 4.2, mechanical transmission mechanism (5) receive steering order, and the tested coin (6) that its letter sorting section (52) will be accomplished the classification judgement according to the steering order of host computer (1) is sent to corresponding coin acceptance point.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102983982A CN102831691A (en) | 2012-08-21 | 2012-08-21 | Electromagnetic sensor-based coin sorting and counterfeit detecting device and sorting and counterfeit detecting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102983982A CN102831691A (en) | 2012-08-21 | 2012-08-21 | Electromagnetic sensor-based coin sorting and counterfeit detecting device and sorting and counterfeit detecting method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102831691A true CN102831691A (en) | 2012-12-19 |
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|---|---|---|---|
| CN2012102983982A Pending CN102831691A (en) | 2012-08-21 | 2012-08-21 | Electromagnetic sensor-based coin sorting and counterfeit detecting device and sorting and counterfeit detecting method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103810782A (en) * | 2014-01-24 | 2014-05-21 | 西安交通大学苏州研究院 | Intelligent coin authenticity detection device based on pulsed excitation and detection method of device |
| CN107180482A (en) * | 2016-03-11 | 2017-09-19 | 富士电机株式会社 | Coin processor |
| CN107564166A (en) * | 2017-10-20 | 2018-01-09 | 桂林电子科技大学 | A kind of new Coin sorting debates pseudo-device |
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| US20100170766A1 (en) * | 2009-01-07 | 2010-07-08 | National Rejectors, Inc. Gmbh | Inductive measuring arrangement for free-fall coin-operated devices |
| CN102446375A (en) * | 2010-09-30 | 2012-05-09 | 南京大学 | Coin dynamic electromagnetic characteristic test method and system |
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| US5050719A (en) * | 1988-12-14 | 1991-09-24 | Sanden Corporation | Coin receiving apparatus for a vending machine |
| CN1252588A (en) * | 1998-10-26 | 2000-05-10 | 三洋电机株式会社 | Coin processor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103810782A (en) * | 2014-01-24 | 2014-05-21 | 西安交通大学苏州研究院 | Intelligent coin authenticity detection device based on pulsed excitation and detection method of device |
| CN103810782B (en) * | 2014-01-24 | 2017-02-08 | 西安交通大学苏州研究院 | Intelligent coin authenticity detection device based on pulsed excitation and detection method of device |
| CN107180482A (en) * | 2016-03-11 | 2017-09-19 | 富士电机株式会社 | Coin processor |
| CN107180482B (en) * | 2016-03-11 | 2021-06-15 | 富士电机株式会社 | Coin processing device |
| CN107564166A (en) * | 2017-10-20 | 2018-01-09 | 桂林电子科技大学 | A kind of new Coin sorting debates pseudo-device |
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Application publication date: 20121219 |