CN1835023B - Medium distinguishing device - Google Patents
Medium distinguishing device Download PDFInfo
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- CN1835023B CN1835023B CN2005101085154A CN200510108515A CN1835023B CN 1835023 B CN1835023 B CN 1835023B CN 2005101085154 A CN2005101085154 A CN 2005101085154A CN 200510108515 A CN200510108515 A CN 200510108515A CN 1835023 B CN1835023 B CN 1835023B
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- Prior art keywords
- line sensor
- medium
- pixel count
- light accepting
- accepting part
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Abstract
The invention discloses a medium checker which can reliably attain the image data of transmitted medium and avoid delaying timing of image data. The invention comprises: medium transmit channel for transmitting medium and an optical linear sensor transverse crossing said medium transmit channel for attaining the image data. Wherein, said optical linear sensor is formed by a linear sensor illuminate part and several linear sensor light receivers that formed by arranging several pixels in one row; the optical receivers uses light to detect the medium, and when the pixel number of medium is larger than the preset one, the invention obtains the image data via the optical linear sensor.
Description
Technical field
The present invention relates to automatic trading apparatus of being located at financial institution etc., obtain the medium distinguishing device of view data of medium of the paper type of bank note or card etc.
Background technology
In traditional medium distinguishing device, the direction of transfer of medium than light transmissive sensor more in front of the configure trigger sensor, the medium that detects transmission is by triggering the situation on the sensor, make the light transmissive sensor action, obtain the view data (for example, opening flat 8-96201 communique (paragraph 0016, Fig. 1)) of the medium of transmission with reference to the Japanese documentation spy.
Summary of the invention
But, in above-mentioned traditional technology, trigger sensor with a plurality of arranged spaced, therefore the bank note that transmits has slightly that take place when folding can not be by the situation on the triggering sensor, in this case, trigger sensor and do not respond, because light transmissive sensor is failure to actuate, existence can not obtain the problem of the view data of medium.
In addition, after the point angle of the medium that the direction of transfer updip tiltedly transmits passed through to trigger between the sensor, during with triggering sensor medium, the timing that existence obtains view data was delayed, and a part of problem of the view data that obtains shortcoming.
The present invention forms for addressing the above problem design, aims to provide the view data of the medium of obtaining transmission reliably, and prevents to obtain the parts of the situation that the timing of view data is delayed.
In order to solve above-mentioned problem, the present invention possesses the medium transfer path that transmits medium and crosses this medium transfer path and obtain the optical line sensor of the view data of medium, described optical line sensor constitutes by the line sensor illuminating part with the line sensor light accepting part that a plurality of pixels form a line, described line sensor light accepting part detects under the situation of medium by light, the pixel count of described line sensor light accepting part that detects described medium is during for the above pixel count of predetermined decision content, begin to obtain view data by described optical line sensor, wherein Yu Ding decision content is the pixel count of 2mm.In addition, described line sensor light accepting part does not detect under the situation of medium, when detecting foreign matter by light, proofreaies and correct described decision content according to the pixel count that detects this foreign matter.
Like this, the present invention's optics line sensor sensed media, and the pixel count that detects medium of on-line sensor light accepting part is that decision content begins to obtain view data when above, therefore have and when medium is transmitted, regularly can not be delayed, and make the action of optical line sensor reliably and obtain the effect of view data.
Description of drawings
Fig. 1 is the structural drawing of the medium distinguishing device of expression embodiment 1.
Fig. 2 is the block diagram of the medium distinguishing device of expression embodiment 1.
Fig. 3 is the key diagram of pixel that expression detects the optical line sensor of bank note.
Fig. 4 is the process flow diagram that the image of expression embodiment 1 is obtained processing.
Fig. 5 is the process flow diagram that the image of expression embodiment 2 is obtained processing.
Fig. 6 is the key diagram of the optical line sensor of expression embodiment 3.
(symbol description)
1 medium distinguishing device, 2 medium transfer paths, 3 optical line sensors, 4 line sensor illuminating parts, 5 line sensor light accepting parts, 6 control parts, 7 storage parts, 10 control circuit substrates, 11 Current Regulation portions, 12 output valve obtaining sections.
Embodiment
Below, with reference to accompanying drawing, describe with regard to the embodiment of medium distinguishing device of the present invention.
Embodiment 1
Fig. 1 is the structural drawing of the medium distinguishing device of expression embodiment 1; Fig. 2 is the block diagram of the medium distinguishing device of expression embodiment 1; Fig. 3 is the key diagram of pixel that expression detects the optical line sensor of medium.
Among Fig. 1, Fig. 2,1 expression medium distinguishing device is located at the inside that the automatic trading apparatus (not shown) of financial institution waits, and carries out the discriminating processing of the bank note P that transmits by medium transfer path 2.
3 expression optical line sensors, by the line sensor illuminating part 4 of a LED who crosses medium transfer path 2 (Light Emitting Diode) who possesses often action and with line sensor illuminating part 4 in opposite directions and the line sensor light accepting part 5 of the total pixel number N that a plurality of pixels are formed a line constitute, light with line sensor light accepting part 5 acceptance line sensor illuminating parts 4, when the light time that the bank note P that transmits blocks line sensor illuminating part 4, line sensor light accepting part 5 is accepted the low light of brightness, and individual element detects bank note P and has or not shading light.
The control part of 6 expression medium distinguishing devices 1, when controlling the each several part of medium distinguishing device 1, as shown in Figure 3, counting is detected the quantity of pixel of the line sensor light accepting part 5 of bank note P by the blocking of light, going forward side by side worked detects the image that luminance brightness that each pixel of detecting bank note P accepts obtains the view data of the shape of bank note P and pattern etc. and obtain processing.
7 expression storage parts have been deposited the various data used in program that control part 6 carries out and this program and the result of control part 6 etc.
In this storage part 7, deposit bank note P and blocked the light time that line sensor light accepting part 5 is accepted, in order to judge that the obtaining of view data that begins to obtain bank note P with optics line sensor 3 (for example begins decision content, the pixel count of the 2mm of line sensor light accepting part 5), and the obtaining of view data of obtaining bank note P in order to the judgement end finished decision content (for example, the total pixel number N of line sensor light accepting part 5).
Deposit the image of control part 6 execution in addition in the storage part 7 and obtain handling procedure, obtain handling procedure by control part 6 and image and form the various functional parts that are equivalent to present embodiment hardware.
About the effect of said structure, the image of the expression embodiment 1 that reference is shown in Figure 4 is obtained the process flow diagram of processing, describes by the step of representing with S.
S1: the control part 6 of medium distinguishing device 1 makes 3 work and the standbies of optical line sensor.
S2: the bank note P that transmits by medium transfer path 2 blocks the light time that line sensor illuminating part 4 sends, control part 6 according to the brightness change-detection of accepting light to the pixel count of the line sensor light accepting part 5 of bank note P (below, be called and detect pixel count), read and leave obtaining behind the beginning decision content and detect pixel count relatively in the storage part 7 in.
S3: control part 6 returns step S2 less than obtaining beginning during decision content detecting pixel count, continues to detect pixel count and the comparison that obtains the beginning decision content, enters step S4 when detecting pixel count when above obtaining the beginning decision content.
S4: judge to detect pixel count, begin to obtain the view data of bank note P with optics line sensor 3 at the control part of obtaining more than the beginning decision content 6.
S5: obtain the control part 6 of view data, counting does not detect the pixel count (below, be called do not detect pixel count) of the optical line sensor 3 of bank note P, read to leave in and obtain the end decision content in the storage part 7, and with do not detect pixel count relatively.
S6: do not detect pixel count and return step S5 when finishing decision content, continue not detect pixel count and obtain the comparison that finishes decision content, when not detecting pixel count and obtaining the end decision content and enter step S7 when identical less than obtaining.
S7: judge not detect pixel count and obtain the identical control part 6 of end decision content that the view data that finishes the bank note P of optical line sensor 3 obtains, and returns step S1 and standby.
As described above, in the present embodiment, detect bank note with the optics line sensor, counting line sensor light accepting part detect pixel count, when detecting pixel count, this is obtaining the view data that the beginning decision content begins to obtain bank note when above, therefore bank note tilts when transmitting at direction of transfer, also detects the bight of bank note and obtains view data, thereby can prevent the situation that timing that view data obtains is delayed.
In addition, use the calculating of optics line sensor to obtain the timing of view data, can reduce the cost that triggers sensor is installed owing to the triggering sensor can be installed.
In addition, even the bank note that transmits has and foldingly also can make the optical line sensor move reliably and detect bank note, and obtain its view data.
Embodiment 2
The structure of the medium distinguishing device 1 of present embodiment is identical with the foregoing description 1.
Also have, the part same with the foregoing description 1 adopts prosign, and omits its explanation.
The storage part 7 of present embodiment is stored in the pixel count (detecting pixel count hereinafter referred to as foreign matter) that detects when not detecting bank note P because of the line sensor light accepting part 5 of the foreign matter shading light of dust etc., and deposit the contiguous pixels number (for example, the pixel count of the 1cm of line sensor light accepting part 5) of the foreign matter of the action that the view data that hinders foreign matter to detect the optical line sensor 3 of pixel count obtains.
In addition, when storage part 7 transmits abreast at the direction of transfer of the diagonal line of bank note P and bank note P, optical line sensor 3 is begun to obtain view data obtain limit time as image and deposited to the time that bank note P passes through fully.
About the effect of said structure, the image of the expression embodiment 2 that reference is shown in Figure 5 is obtained the process flow diagram of processing, and describes according to the step of representing with SA.
SA1: the control part 6 of medium distinguishing device 1 makes 3 work and the standbies of optical line sensor.
SA2: the bank note P that transmits by medium transfer path 2 blocks the light time that line sensor illuminating part 4 sends, control part 6 counting detect bank note P line sensor light accepting part 5 detect pixel count, and obtain beginning decision content (when storage part 7 has been stored foreign matter and detected pixel count among the step SA8 described later, foreign matter is detected pixel count obtain the beginning decision content) and detect pixel count relatively with the correction that obtains the addition of beginning decision content with what deposit in the storage part 7.
SA3: control part 6 returns step SA2 when obtaining beginning decision content (or correction obtain beginning decision content) detecting pixel count, continue to detect pixel count and the comparison that obtains beginning decision content (or correction obtains the beginning decision content), enter step SA4 when above obtaining beginning decision content (or correction obtains the beginning decision content) when detecting pixel count.
SA4: detect pixel count in judgement and obtaining control part 6 more than the beginning decision content (or correction obtain beginning decision content), begin to obtain the view data of bank note P, begin the image that measurement obtains view data simultaneously and obtain the time by optical line sensor 3.
SA5: the control part 6 of obtaining view data, confirm not detect bank note P optical line sensor 8 do not detect pixel count, with obtaining of depositing in the storage part 7 finish decision content (when storage part 7 has been stored foreign matter and has been detected pixel count among the step SA8 described later, from obtain finish decision content deduct correction that foreign matter detects pixel count obtain finish decision content) with do not detect pixel count relatively.
SA6: be not branched off into step SA7 when detecting pixel count when finishing decision content (or correction obtain finish decision content) less than obtaining, do not finish decision content (or correction obtains the end decision content) and enter step SA8 when identical with obtaining when detecting pixel count.
SA7: do not detect pixel count less than obtaining the control part 6 that finishes decision content (or correction obtains the end decision content) in judgement, reading the image of depositing in the storage part 7 obtains limit time and obtains the time with the image of measuring and compare, obtaining the time when image does not reach and returns step SA5 when image is obtained limit time, and continue not detect pixel count and obtain the comparison that finishes decision content (or correction obtain finish decision content), obtain the time when image and reach and enter step SA8 when image is obtained limit time.
SA8: judging that image obtains the time and reach image and obtain limit time, or judgement does not detect pixel count and obtains and finish the identical control part 6 of decision content (or correction obtains the end decision content) in step SA6, the view data that finishes bank note P obtains, promptly confirm not detect bank note P, and the counting foreign matter of line sensor light accepting part 5 that detected the foreign matter of dust etc. by the blocking of light is stored in the storage part 7 after detecting pixel count.
SA9: the foreign matter of storing in 6 pairs of storage parts 7 of control part detects pixel count and compares with the contiguous pixels number of depositing, detect at foreign matter and to return step SA1 and standby when pixel count is counted less than contiguous pixels, when the contiguous pixels number is above, enter step SA10 when foreign matter detects pixel count.
SA10: judging that foreign matter detects the control part 6 that pixel count surpasses the contiguous pixels number, notice is taken place mistake send to the automatic trading apparatus (not shown) that medium distinguishing device is installed, and stop the action of medium distinguishing device 1.
As described above, in the present embodiment, except that with the same effect of the foregoing description 1, when confirming not detect bank note, pixel count correction based on the optical line sensor that detects foreign matter obtains the beginning decision content, therefore can prevent to make the situation of optical line sensor action, improve the precision that bank note detects because of the response foreign matter.
In addition, when foreign matter detects pixel count and surpasses contiguous pixels and count, notice is taken place in mistake send to automatic trading apparatus, therefore can reduce the system's non-working time ratio that increases the automatic trading apparatus that causes because of the amount of the foreign matter of accumulation.
Also have, in the various embodiments described above, accept to be blocked and the light from the line sensor illuminating part of brightness step-down with regard to the line sensor light accepting part by bank note, thereby detect bank note, the view data that is obtained the shape of bank note and pattern etc. by the luminance brightness that detects is illustrated, but the light that adopts line sensor light accepting part acceptance line sensor illuminating part is when the reflected light of bank note reflection detects the reflection-type optical line sensor of bank note, as long as the pixel count of line sensor light accepting part that is subjected to light just can obtain the effect same with the various embodiments described above obtaining the beginning decision content when above with the view data that is subjected to luminance brightness to obtain bank note.
Embodiment 3
Fig. 6 is the key diagram of the optical line sensor of expression embodiment 3.
Also have, the part same with the foregoing description 2 adopts prosign, and omits its explanation.
Among Fig. 6,10 expression control circuit substrates, wherein be provided with Current Regulation portion 11 and output valve obtaining section 12, described Current Regulation portion 11 is connected to line sensor illuminating part 4, control to the electric current of line sensor illuminating part 4, and regulate the electric current of supplying with optical line sensor 3, described output valve obtaining section 12 is connected to line sensor light accepting part 5, obtains the output valve of optical line sensor 3.
The storage part 7 of present embodiment has been deposited the benchmark output valve of the optical line sensor 3 when not detecting bank note P.
Below, the effect of said structure is described.
In the process of the view data that obtains bank note P, judge line sensor be subjected to light all 5 do not detect that pixel count and storage part 7 deposit obtain that to finish the judgement pixel count identical, or the pixel of judge measuring obtains that the time reaches that pixel that storage part 7 deposits obtains limit time and the control part of obtaining 6 that finishes view data, confirm not detect bank note P, output valve obtaining section by control circuit substrate 10 12 is confirmed the output valve of optical line sensors 3 then, reads the benchmark output valve of the optical line sensor 3 that storage part 7 deposits simultaneously and compares with the output valve of confirming.
Control part 6 is in the output valve of judge confirming during less than the benchmark output valve, increase to the electric current of line sensor illuminating part 4 with electric current adjusting portion 11, and judge that the output valve of confirming is when the benchmark output valve is above, be reduced to the electric current of line sensor illuminating part 4 with electric current adjusting portion 11, make the output valve of affirmation identical with the benchmark output valve.
As described above, in the present embodiment, except that with the same effect of the various embodiments described above, the output valve of affirmation when not detecting bank note and adjusting flow to the electric current of line sensor illuminating part and become the benchmark output valve, therefore can prevent because of temperature variation or change in time etc. exported change, makes medium detect the situation of precision and bank note affirmation precise decreasing.
Also have, in the various embodiments described above, when obtaining the view data of bank note with the optics line sensor, the illuminant colour that changes the line sensor illuminating part also can.Thereby available eyes are confirmed the situation of optical line working sensor from the outside.
In addition, in the various embodiments described above, adopt a LED to be illustrated, but can adopt two LED, and a plurality of LED that also can relatively be disposed by each pixel with the line sensor light accepting part constitute as the line sensor illuminating part.
Claims (3)
1. medium distinguishing device wherein is provided with:
Transmit the medium transfer path of medium and cross this medium transfer path and obtain the optical line sensor of the view data of medium;
Described optical line sensor constitutes by the line sensor illuminating part with the line sensor light accepting part that a plurality of pixels form a line;
Described line sensor light accepting part detects under the situation of medium by light, the pixel count that detects the described line sensor light accepting part of described medium is predetermined decision content when above, begin to obtain view data by described optical line sensor, wherein Yu Ding decision content is the pixel count of 2mm.
2. medium distinguishing device wherein is provided with:
Transmit the medium transfer path of medium and cross this medium transfer path and obtain the optical line sensor of the view data of medium;
Described optical line sensor constitutes by the line sensor illuminating part with the line sensor light accepting part that a plurality of pixels form a line;
Described line sensor light accepting part detects under the situation of medium by light, and the pixel count of described line sensor light accepting part that detects described medium begins to obtain view data by described optical line sensor during for the above pixel count of predetermined decision content,
Described line sensor light accepting part does not detect under the situation of medium, when detecting foreign matter by light, proofreaies and correct described decision content according to the pixel count that detects this foreign matter.
3. as claim 1 or the described medium distinguishing device of claim 2, it is characterized in that:
Be provided with the Current Regulation portion that regulates the electric current of supplying with described line sensor illuminating part, and
Obtain the output valve obtaining section of the output valve of described line sensor light accepting part;
Described Current Regulation portion regulates when described line sensor light accepting part does not detect medium, and the output valve that described output valve obtaining section is obtained is identical with predetermined reference value.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP076694/05 | 2005-03-17 | ||
| JP2005076694A JP4534819B2 (en) | 2005-03-17 | 2005-03-17 | Media identification device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1835023A CN1835023A (en) | 2006-09-20 |
| CN1835023B true CN1835023B (en) | 2011-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005101085154A Expired - Fee Related CN1835023B (en) | 2005-03-17 | 2005-09-30 | Medium distinguishing device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4534819B2 (en) |
| CN (1) | CN1835023B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016099986A (en) * | 2014-11-26 | 2016-05-30 | 富士通フロンテック株式会社 | Medium processing apparatus, medium processing method, and medium processing program |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5923413A (en) * | 1996-11-15 | 1999-07-13 | Interbold | Universal bank note denominator and validator |
| CN1491405A (en) * | 2001-12-13 | 2004-04-21 | �ձ����տ�˹�ɷ�����˾ | Banknote identifying machine and banknote identifying method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63163153A (en) * | 1986-12-25 | 1988-07-06 | Omron Tateisi Electronics Co | Sea weed inspecting apparatus |
| JP3651177B2 (en) * | 1997-05-13 | 2005-05-25 | 富士電機リテイルシステムズ株式会社 | Paper sheet identification device |
| JP3590834B2 (en) * | 1997-09-29 | 2004-11-17 | 株式会社日立製作所 | Banknote transaction device |
| JP2000222614A (en) * | 1998-11-27 | 2000-08-11 | Fuji Electric Co Ltd | Method and device for adjusting image reading sensor |
-
2005
- 2005-03-17 JP JP2005076694A patent/JP4534819B2/en not_active Expired - Fee Related
- 2005-09-30 CN CN2005101085154A patent/CN1835023B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5923413A (en) * | 1996-11-15 | 1999-07-13 | Interbold | Universal bank note denominator and validator |
| CN1491405A (en) * | 2001-12-13 | 2004-04-21 | �ձ����տ�˹�ɷ�����˾ | Banknote identifying machine and banknote identifying method |
Non-Patent Citations (2)
| Title |
|---|
| JP平10-162194A 1998.06.19 |
| JP平8-96201A 1996.04.12 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4534819B2 (en) | 2010-09-01 |
| CN1835023A (en) | 2006-09-20 |
| JP2006260166A (en) | 2006-09-28 |
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Granted publication date: 20110803 Termination date: 20210930 |