TWI283836B - Optical recognition apparatus with cleaning mechanism in automatic machine - Google Patents

Abstract

The optical recognition apparatus has at least one sensor, a transparent object, a belt, and a control circuit, and the transparent object has a flat surface and a protruding surface. When a sheet is entered the belt from an automatic machine holding the optical recognition apparatus, the sensor retrieves images of the sheet and the control circuit determines whether the sheet is a cleaning paper. If the sheet is a cleaning paper, the control circuit drives the belt forward and backward for cleaning the flat surface of the transparent object.

Description

1283836 V. INSTRUCTION DESCRIPTION OF THE INVENTION (1) Technical Field of the Invention The present invention relates to an optical identification device, and more particularly to an optical identification device for use in an automatic machine having a swab function. [Prior Art] With the advancement of electronic and mechanical technology, more and more automatic machines have been developed to improve people's lives. In addition, with the development of the industry, the labor cost has gradually increased, and many simple routines have gradually moved toward the stage of unmanned and automated. For example, vending machines, which initially only offered beverages and snacks, have continued to evolve into complex applications such as buying tickets, changing banknotes, depositing money, and on-street parking fees, even today's increasingly popular electronic banks. . And 'due to the diversification of automatic machine applications, more and more high-priced items or services are also used in the processing of automatic machines. Therefore, in addition to coins, there are considerable differences in bills, checks, and car orders, which are often higher in denomination. The mechanism of the job banknotes is full of one of the key points due to the automatic machine often avoiding the user withdrawing the coin space of the machine. Coins are increasingly playing important vouchers or other securities. The automatic machines are used in a variety of different applications to receive banknotes or other banknotes or other banknotes or other valuable certificates. However, there is a need for paper in use and coins to be able to handle the demand. The price of securities, so how to make a coupon, or from the automatic coupon will become a design

1283836 _ I · - - -— ----^--- ^ -- V. INSTRUCTIONS (2) In response to this, the track or belt used by the automatic machine to move the banknote paper is deliberately designed to be curved and narrow. The passage 'supplied to avoid picking up or stealing banknotes stored in the automatic machine. Furthermore, in these curved and narrow passages, optical identification devices, such as money detectors, are often provided to identify the denomination or authenticity of the banknotes. However, since banknotes are often used by many people in many different situations, there is often a lot of oil or dust on them. When the banknotes are moved past the optical identification device, the light transmitting portion of the optical identification device is soiled. When the light transmitting portion of the optical device is soiled, if proper processing is not given, serious problems such as a significant decrease in the recognition ability will occur. However, since the position of the optical identification device is often in the channel that is difficult to access in the interior of the automatic machine, it is difficult to directly perform the cleaning operation by the operator. In contrast, if the entire automatic machine is disassembled, it will cause considerable labor cost and inconvenience in use. Therefore, how to design a simple and easy-to-use 栻 mirror mechanism has become a very important task in the design of automatic machines. [Inventive] Therefore, an object of the present invention is to provide an optical identification device having a wiping function, and A machine using this optical identification device' and a wiping paper used in such an optical identification device. An optical identification device according to a preferred embodiment of the present invention is used to identify a special paper such as a banknote. The optical identification device has a casing and a paper pass

7:1283836 V. INSTRUCTIONS (3) In the belt and light-transmissive objects, the side of the paper to be tested on the light-transmissive paper conveyor belt faces the paper. In addition, the control paper detects the control circuit of the paper to be tested from the paper-transmitter. Special paper or a circuit to control the cleaning of the paper translucent material. This optical identification is used to carry out the post-cotton paper 'by detecting. The symbol of the mirror paper is used as a different cleaning process. Therefore, the present invention is first of all incapable of being functionally placed in a human hand or device. Second, it is significant. The third, at least one has a flat and is placed in front. As for the transmissive belt, the road is connected to the optical optical image of the belt and moved over the mirror paper conveyor belt. Set to install and continue processing. The width of the test paper can be set for identification. At least with a moving machine, it is difficult for the tool to change the cleaning work, the optical sensor surface of the present invention and the convex light of the shell and another optically transparent image and light. For example, if the body is to be wiped, the surface of the sensor is placed on the surface of the sensor, and the optical characteristics are judged by the mirror paper, and the structure is moved to the forward light and the characteristics of the paper are judged to be overlaid and controlled. The Zhang Chuan area is transmitted to be tested to wipe the circuit. lens. In the paper body and the detector. Send belt. When the light is back, the paper is the light of the mirror paper, and in the case of the light belt, the light sensing device is to be tested. No, control to proceed with the automatic machine. In addition, the mirror is translucent to measure the banknote. In addition, the following advantages, such as the kinetic energy of the deep-moving machine touched by the vending, can often be directly improved, so that the identification result can be transmitted to the self-paper, and whether the cleaning agent can be used to determine whether the cleaning width is completed or not Start with the different symbols on it. The optical identification device of the machine is often, however, provided by the body design of the present invention, the optical banking effect of the wiped oil stain is more optical identification device, such as control

1283836 V. Description of invention (4)

The algorithm used in the circuit, that is, the function, has low-cost characteristics. The characteristics 'such as light transmission, observation, time, or further cleaning action when smooth cleaning is not possible. For the fifth flexibility, just adjust the above lens of the control circuit. Achieving the fourth embodiment of the automatic cleaning optical identification device, by providing the warning signal for stopping the cleaning action by the optical of the cleaning paper, the operator's 'cleaning paper design has a considerable size> and the algorithm can accommodate more than [Embodiment] The preferred embodiment of the heart foi diagram itself is depicted in accordance with the present invention - the preferred embodiment of the automaton 22? Machine 10 has a paper feed port 101 and a coin inlet 102. Examples of this automatic machine 10 include a self-container such as an ATM, a change machine, and the like. Buy micro-small machine from the paper feed port 1ΐΐα, including various papers, tickets, etc. “Various sheets. Various types of coupons are flat.

2 2 figure 'It shows that paper such as banknotes enters the automatic machine: not intended" First, the paper 202 such as banknotes enters the automatic machine 1Q 2 sheets 204 via the entrance mechanism and the connected transfer track through the coin inspection mechanism m The inspection is carried out, and it is indeed pre-^: kind of paper, etc. 'For example, the denomination of the denomination or the counterfeit action of the counterfeit banknote. 2 methods include magnetic ink, hidden magnetic wire technology. Finally, #specific paper is moved to the paper track.

Page 9 1283836

V. Description of the invention (5) Organization 2 0 8. The above operation is operated by the controller 2 10 to control the control command of the stepping motor of the paper feed track, or to perform optical discrimination, programs, and the like. 5 Next, please refer to Fig. 3, which is a perspective view showing the flow of paper such as banknotes into the automatic machine. Paper such as banknotes first passes through the deposit port when it passes, and then passes through the track 3 2 . In order to avoid the paper being pulled out, m, called this prisoner

The track is often designed to have a narrow curved shape, such as track 34. An optical identification device 35 is passed before the paper reaches the last coin slot 36. In the preferred embodiment, the optical identification device 35 determines whether or not to clean the paper, in addition to recognizing the authenticity or the surface of the banknote. FIG. 4 illustrates an example of a preferred embodiment of the present invention. A configuration diagram of an optical identification device. The optical identification device in this example has a housing 40 1 , a paper conveyance belt 42 , a light transmissive material 44 , one or more optical sensors 46 , and a control circuit 48°. The paper conveyance belt 42 is disposed on the housing 40 1 . A belt 422 driven by the stepping motor 421 is included to move the paper 41 to be tested. The light transmissive material 44 is located between the optical sensor 46 and the paper conveying belt 42 to protect the optical sensor 4 from being damaged by foreign matter, and the optical sensor 46 can be detected on the paper to be tested.

Optical image and optical properties. Embodiments of the optical sensor 46 include a CMOS optical sensor, a CCD, and the like. For the light-transmitting material 44, reference may be made to the 4th, 4th, and 2nd drawings, which respectively illustrate a front view, a top view, and a perspective view of the light-transmitting material 44. In this example, one side of the light transmissive material 44 is a flat surface, and the other side is a convex surface to constitute a transparent surface.

Page 10 1283836 Five Mirrors This, invention description (6) '- Out of focus, not light, and light. In this example, the plane of the light-transmissive material 44 is in contact with the paper such as the banknote, and the convex surface is not in contact with the paper, since the focus of the cleaning is on the flat portion of the light-transmitting material 44. However, it must be referred to as 疋, although a plano-convex lens is used as an example of the light-transmissive material 44, and the invention is also in the scope of the invention, the main function of the light-transmitting material 44 is to directly touch the paper in the form of avoidance = 6, and therefore Even a biplane light transmissive or other light transmissive material 44 covered by the present invention. Next, please refer to the first page, i not the picture, which shows the way the device of Figure 4 works. (Step 5) The paper sheet 41 is moved to the positional property of the light-transmitting material 44 via the paper conveying belt 42. The optical sensor and the optical master are received by the paper sensor 41, and the data is transmitted to the control. Circuit 48. Light I = 2 The paper is reflected or penetrated by a specific light source. The first characteristic includes the optical reaction of the paper to be tested, etc., and the optical sensor 46 is interpreted. Whether the transmitted optical data, optical banknotes, or papers are a special type of paper, such as paper silver ^ § , , (amount 5 〇 6). If it is a special type of reservation =, continue reading The processing is performed (step 508). The type 48 is further determined by reading the mr 1 Λ X special sub-characteristics transmitted from the optical sensor 46 to identify whether the paper to be tested is a mirror paper (in the step, ά Μ for example, cleaning with alcohol, etc.) The cotton paper of the agent, etc. The example of the cotton paper has a light transmissivity of 4 after being absorbed by the cotton paper, so that the light transmittance of the sheet can be used to identify whether it is a mirror paper. When the paper is wiped paper (step 512), control

1283836

V. INSTRUCTION DESCRIPTION (7) The circuit 44 issues a control signal to the paper conveyance belt 42 to start the cleaning process of the light-transmitting material 4. Otherwise, the paper to be tested is returned or phase 4 is performed (step 514). The most straightforward cleaning method is to repeatedly move the lens paper through the light-transmissive material 44, and use the direct contact between the mirror paper and the light-transmitting material 44 to deposit oil or dust and other contaminants onto the mirror paper. , ϋ 至于 As for the cleaning stop program can be set to a predetermined number of repeated movements to achieve. For example, when the control circuit 48 finds that the paper 41 to be tested is a mirror paper, the lens paper is moved over the light-transmitting material 44 fifty times. In addition, since the lens paper is just past the optical salty and foreign device 46 when the light transmissive material is wiped, the control circuit 48 can also receive the optical image and optical characteristics of the optical sensor 46$^=. To determine whether it is time to finish cleaning. For example, since the tissue is stained with alcohol, its light transmittance is changed as the amount of alcohol is present. In addition, as the cotton paper is stained with oil or dust, it will also change its optical image. These can all be used as an example of the control circuit 48 to determine whether or not to stop the cleaning procedure. Further, if the cleaning of the light-transmitting material 44 cannot be resumed after a certain number of cleanings, for example, a user puts the painted banknotes into the automatic machine 40 2, and the control circuit 48 can also issue a warning at this time. Signal to inform maintenance personnel for further cleaning work. Also, in this example, the housing 401 of the optical identification device is disposed in the housing 402 of the robot, and the control circuit 48 is coupled to the processing circuit 47 of the automated machine. When the control circuit 48 recognizes that the paper 41 to be tested is a genuine banknote or other special

Page 12 1283836 V. INSTRUCTION DESCRIPTION (8) For the type of paper, the control circuit 48 sends a recognition success signal to the processing circuit 47, and the processing circuit 47 performs further operations based on the identification success signal, such as providing goods or other services. Figure 6 is a schematic view showing the other direction of the optical identification device of Figure 4. The paper to be tested 42 is moved to the position of the light transmissive material 44 via the paper conveyance belt, and the optical sensor 46 having the two optical sensing elements 461, 462 performs the optical image and optical characteristic pickup operation. Further, as shown in Fig. 7, for ease of use, in a preferred embodiment, the wiper paper 72 is designed to have the same width or length as a predetermined special type of paper, such as banknote 71. Moreover, in order to facilitate identification of the mirror paper, a mark can be made on the lens paper, such as drawing a special pattern at a specific position for identification. In fact, the control circuit can also initiate different cleaning procedures, such as the number of cleanings or breaks, depending on the particular pattern. The present invention has been described above with reference to a preferred embodiment. However, it is not intended to be a Retouching, therefore, the warranty of the present invention is defined as defined in the scope of the patent application. Bite

1^1 I Page 13 1283836 Brief description of the drawing [Simple description of the drawing] Figure 1 is a schematic diagram of an automatic machine using special paper; Figure 2 is a schematic diagram of a special paper flowing through an automatic machine; Figure 3 is a special paper flow 4 is a schematic view of a structure according to an embodiment of the present invention; FIGS. 4a, 4b, and 4c, respectively illustrating a front view, a top view, and a perspective view of the light transmissive member 44; 5 is a flow chart according to an embodiment of the present invention; FIG. 6 is a schematic structural view of another embodiment according to an embodiment of the present invention; FIG. 7 is an example of a wipe paper according to the present invention; 】 10 automatic machine 101 paper inlet 1 0 2 coin inlet 2 0 2 paper 204 coin mechanism 206 coin detector 2 0 8 coin mechanism 2 1 0 controller 3 1 paper 3 2 track 34 track 35 optical identification device 36 storage Coin slot 401 housing 4 0 2 housing 41 paper to be tested 42 paper conveyor belt 422 belt 421 motor 44 light transmission 4 6 sensor 4 6 1 sensing element 4 6 2 sensing element 4 7 processing circuit

Page 14 1283836 Schematic description 4 8 control circuit 7 1 banknote 7 2 lens paper limi page 15

Claims (1)

Pb^ sharp w, for identifying one special. The paper is placed on the conveying side of the paper and conveys the other side of the paper; and the paper and the paper conveys one of the papers to be tested corresponding to the transparent flat plate. The control circuit is based on whether the control circuit belongs to When the special paper is a piece of mirror paper, the mirror paper is repeatedly moved. Identification device, wherein the special 1283836 —----93118582 VI. Patent application scope 1β An optical identification device sheet having a mirror function, the optical identification device comprising: a housing; a paper conveyor belt disposed in the housing For moving = one of the paper to be tested; a light transmissive object, disposed in the casing and the belt of the light transmissive material; f less optical sensor, disposed in the light control, circuit, Connecting to the at least one optical sensing strip i, when the paper to be tested passes from the paper conveying belt & t, the at least one optical sensor detects the optical characteristic of the Ii t and returns the control circuit, iI ί ί The optical characteristic determines whether the paper to be tested is or belongs to the _bracket paper, and when it is determined that the control circuit is to be controlled by the control circuit, the w ^ 今本本本带带, to the To perform one of the light-transmissive cleaning operations. 2. The paper of the third paragraph of the patent application is a banknote. κ九予辨3. The mirror paper and the banknote according to item 2 of the patent application have substantially the same width: the device of the device, and the optical device of the third application of the patent application. Identification device, wherein the device 1283836 Case No. 93118582 修正 Amendment VI. Scope of Application The lens paper is a tissue paper with a cleaning liquid, and the optical property is light transmissive to identify the lens paper. 5. The optical identification device of claim 3, wherein the wiper paper has at least one specific indicia for the controller to recognize the wiper paper via the particular indicia. 6. The optical discriminating device of claim 1, wherein the detecting module further detects the wiper paper when the wiping paper is repeatedly moved over the light transmissive material. The optical image and the optical characteristic are used to determine whether the cleaning operation of the light transmissive material has been completed. 7. The optical identification device of claim 2, wherein the control circuit issues a warning signal when the cleaning lens repeatedly moves through the light-transmissive material for a predetermined number of times. 8. The optical identification device of claim 7, wherein the optical identification device is disposed in an automatic machine and the warning signal is a state display device of the automatic machine. 9. An automatic machine having an optical identification device that receives a special paper to achieve a specific function, the automatic machine comprising: a first housing; an obstruction disposed in the first housing for movement a paper to be tested; Page 17 1283836 SS 93118582 曰 Amendment VI, the scope of application for patents, the first paper, paper identification, two housings, the belt conveyor, including: placed in the first housing; 'located in the brother' Receiving and moving the to-be-transmitted J light-transmissive material, disposed in the second casing and facing one side of the light-transmissive material toward the conveyor belt, at least one optical paper, and the image optical paper Waiting for the power to be in a field and when the field is in the sense of a test, the optical image and the or the control device should be the measured number; the electro-optical object is a detector connected to the paper at least characteristic optical wipe Mirroring, in which the sheet is disposed in the optical and returning characteristics of the paper to the at least one paper, and the paper is subjected to the special paper sensing measurement to determine the light transmission when the sheet is transmitted. The optical tape feeder detects that the object to be sent is to be sent, and the other sensor of the object moves over the measured path, and the paper is a sheet of paper to be The control letter is on one side; and the paper measured by the paper transmission transparent plate controls the wiping action, and one of the numbers is issued according to the cleaning mirror paper and when a corresponding optical is discriminated according to the special paper, the identification path is repeated. The specific signal is executed according to the identification success signal. 10. The function described in item 9 of the patent application scope is to provide the function of automatic merchandising of goods.丄1 and ίΠϊΐίίί匕 are as broad as they are. An automatic machine, wherein the wiper moves the machine, wherein the specific 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 Translucent to identify the lens paper. The automatic machine of claim 9, wherein the wiper paper has at least one specific mark for the controller to recognize the wiper paper via the specific mark. The automatic machine of claim 9, wherein the detecting module further detects the mirror paper when the wiping paper is repeatedly moved over the light transmissive material on the conveyor belt. The optical image and the optical characteristic are used to determine whether the cleaning operation of the light transmissive material has been completed. 1. The automatic machine of claim 9, wherein the control circuit issues a warning signal when the wiper paper repeatedly moves through the light-transmissive material for a predetermined number of times. 1 6. The automatic machine according to claim 15 of the patent application, further comprising a state display device for presenting relevant information due to a warning signal. Page 19