AU2002318354A1 - Method and system for accomplishing product detection - Google Patents
Method and system for accomplishing product detection Download PDFInfo
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- AU2002318354A1 AU2002318354A1 AU2002318354A AU2002318354A AU2002318354A1 AU 2002318354 A1 AU2002318354 A1 AU 2002318354A1 AU 2002318354 A AU2002318354 A AU 2002318354A AU 2002318354 A AU2002318354 A AU 2002318354A AU 2002318354 A1 AU2002318354 A1 AU 2002318354A1
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F9/00—Details other than those peculiar to special kinds or types of apparatus
- G07F9/02—Devices for alarm or indication, e.g. when empty; Advertising arrangements in coin-freed apparatus
- G07F9/026—Devices for alarm or indication, e.g. when empty; Advertising arrangements in coin-freed apparatus for alarm, monitoring and auditing in vending machines or means for indication, e.g. when empty
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F11/00—Coin-freed apparatus for dispensing, or the like, discrete articles
- G07F11/02—Coin-freed apparatus for dispensing, or the like, discrete articles from non-movable magazines
- G07F11/04—Coin-freed apparatus for dispensing, or the like, discrete articles from non-movable magazines in which magazines the articles are stored one vertically above the other
- G07F11/10—Coin-freed apparatus for dispensing, or the like, discrete articles from non-movable magazines in which magazines the articles are stored one vertically above the other two or more magazines having a common delivery chute
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F11/00—Coin-freed apparatus for dispensing, or the like, discrete articles
- G07F11/02—Coin-freed apparatus for dispensing, or the like, discrete articles from non-movable magazines
- G07F11/38—Coin-freed apparatus for dispensing, or the like, discrete articles from non-movable magazines in which the magazines are horizontal
- G07F11/42—Coin-freed apparatus for dispensing, or the like, discrete articles from non-movable magazines in which the magazines are horizontal the articles being delivered by motor-driven means
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- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
- Geophysics And Detection Of Objects (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The present invention provides for a vending system wherein a monitoring system verifies that a product ordered by a vending customer is actually delivered through a delivery area to the customer. If the product ordered is unavailable either because of an out of stock situation or a blockage of the delivery path for that product, the present invention allows the customer to request a refund or order a second product. Additionally, the present invention helps to prevent theft of product from the vending system.
Description
WO 2004/001687 PCT/US2002/019292 METHOD AND SYSTEM FOR ACCOMPLISHING PRODUCT DETECTION BACKGROUND OF THE INVENTION Technical Field The present invention relates to the vending arts generally and more specifically to vending machine delivery systems for determining whether a product has actually been delivered to the consumer after a customer order. Background Currently, vending machines lack the ability to detect and confirm whether an ordered product has been actually delivered to a customer after an ordered vend event by the customer has occurred. Present methods, referred herein as the home switch method, always assume that the ordered product is available for delivery and that the product is successfully delivered upon completing one vend cycle. However, vending machines often fail to deliver the product after the vend cycle for various reasons, including improper installation of the products by the vendor's sales representative or obstructions in the delivery path. Thus, presently, after paying for the product and a vend cycle occurring, the customer fails to receive the ordered product, resulting in the customer becoming frustrated with the vending company, affecting customer relations and vending sales. BRIEF SUMMARY OF THE INVENTION A vending system that verifies the delivery of a ordered product using a product delivery system that sends a product from a first storage position through a delivery path to a second receiving position, a sensing system located along the delivery path that senses when the product passes a sensor during the product transition through the delivery path from the first position to the second position, and a reporting circuitry electronically coupled to the sensing circuitry wherein the reporting circuitry reports to the product delivery system when the product has passed through the sensing system. Additionally, a vending machine method is provided for determining whether a product is delivered, the method comprising the steps of sending a delivery signal based on a customer ordering event to a product delivery system, monitoring a delivery path that the product travels to reach a product receiving location, and determining if the product was delivered to the receiving space. Another aspect of the invention may be found in a method for selectively attempting delivery. If a first attempt to deliver a product fails, the delivery mechanism may gradually proceed or move until the product is delivered. This method may be useful for delivery 1 WO 2004/001687 PCT/US2002/019292 mechanisms with a home position. If a delivery is detected under normal operation, the delivery mechanism moves from home position back to home position. However, if a delivery is not detected, the delivery mechanism may move from the home position until a delivery is detected or the mechanism returns to the home position. The foregoing has outlined some of the more pertinent objects and features of the present invention. These objects should be construed to be merely illustrative of some of the more prominent features and applications of the invention. Many other beneficial results can be attained by applying the disclosed invention in a different manner or modifying the invention as will be described. Accordingly, other objects and a fuller understanding of the invention may be had by referring to the following Detailed Description of the Preferred Embodiment. BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is an overview of the methodology utilized in the present invention; Figure 2 shows a schematic diagram of the present invention; Figure 3A shows the emitter arm portion of the monitoring system; Figure 3B shows the detector arm portion of the monitoring system; Figure 4 shows the operation of the monitoring system when a customer places an order; Figure 5 shows the steady state calibration mode of the monitoring system; Figure 6 shows a typical detector arm attached to a vending machine; and Figure 7 shows light beam patterns for the emitters in the monitoring system. Figure 8 shows an exemplary feedback method for delivering a product. DETAILED DESCRIPTION The present invention is a vending system that verifies that an actual delivery of an ordered product is made. If the actual delivery fails for a set number of delivery attempts, then the customer is offered one or more alternative choices, including without limitation, choosing an alternative product, or a refund. Figure 1 is an overview of the methodology utilized in the present invention. The monitoring system is in calibration mode in its normal steady state configuration mode as shown in step 100. Calibration mode is discussed in greater detail in Figure 5 below. The customer orders a product after placing money in the ordering system by depressing a keypad or similar device in step 102. The vending machine's ordering system sends a customer order event signal in step 103 to the monitoring system informing the sensing/monitoring system that an order event has occurred in step 102. The monitoring system subsequently completes its last calibration cycle in step 104 and transitions from steady state calibration mode to the monitoring cycle in step 106. Upon transitioning, the monitoring system commences its 2 WO 2004/001687 PCT/US2002/019292 sensing/monitoring cycle by monitoring the product delivery path and sends a ready signal to the product delivery system in step 110. The monitoring cycle is described in more detail in Figure 4, herein below. After receiving a ready signal from the monitoring system, the product delivery system attempts to deliver a product through the product delivery path in step 120. If the monitoring system senses or detects the product passing through the delivery path in step 125, it reports the delivery event to the ordering system in step 130. Upon receiving the report, the ordering system concludes the transaction with the customer and sends a completion signal to the monitoring system, which returns to steady state calibration mode in step 135, whereupon the monitoring system enters into calibration mode in step 140. If the monitoring system does not detect a product in the first delivery attempt in step 125 then it will not send a signal to the ordering system after the step 125. The invention allows the delivery system to attempt delivery three times or a preset option. In step 150, if the number of attempted delivery cycles is less than the preset option, then the ordering system thereupon attempts to deliver the product again in step 120. If the attempted delivery cycles equal the preset option, then in step 155 the customer is granted alternatives to purchasing the first ordered product. Step 155 allows the customer to either ask for a refund or make a selection of a second, different product for delivery and step 153 marks the first ordered product as empty. Step 153 prevents future vend attempts for the first ordered product until the vending machine is visited by a service person. This helps to prevent cheating of a customer if the vending machine reverts to the home switch operation, and helps to prevent further tampering if tampering was the cause of the first vend failure. If the customer chooses a refund, then the present invention delivers a signal to make a refund, in step 160, whereupon a signal is sent to the monitoring system that the order is complete in step 135 and to the monitoring system to enters into steady state calibration mode in step 140. If the customer choose a second, different product, then the present invention returns to 120 and the process proceeds as described above, until the operation is complete. Figure 2 shows a schematic diagram of the present invention installed in a vending machine 205. In Figure 2 various products 210 are placed in the vending machine's delivery system 215. Prior to a customer making a purchase, the monitoring system 217 is in calibration mode. When a customer makes an order through the order system 220, the monitoring system completes the calibration mode and enters into its monitoring mode. Thereupon, the ordering system allows for an attempted delivery of the ordered product 210, typically through a helical delivery system 215. When ordered, product 270' is delivered into delivery space 222, falling 3 WO 2004/001687 PCT/US2002/019292 through the delivery path 225 past monitoring system 217. As it passes the monitoring system, the product momentarily breaks the continuity of the monitoring system's monitoring devices. If the monitoring system utilizes an optical monitoring system, then as the product passes through the monitoring system's light plane 234, be it infrared or otherwise, it momentarily breaks the light continuity and prevents a portion of the light from reaching at least one detector on the opposite side of the monitoring path. The logic circuit on the detecting arm 235 will note the momentary blockage of light and report it as a delivery event. The monitoring system is comprised of an emitter arm 240 upon which are located a set number of one or more emitters 242, and a detector arm 250 comprising of one or more detectors 252 and located directly across delivery path 225 from the emitter arm 240. Emitter signals, the total of which comprise light plane 234 are sent from the emitters 242 to the detectors 252 across the delivery path 225, during both monitoring mode and calibration mode. Furthermore, the emitter arm 240 and the detector arm 250 may be located in various positions. For example, the arms may be in a position that mirrors the one shown, among others. The emitter arms and detector arms are described in more detail in Figures 3A, and 3B. Figure 3A shows the emitter arm portion of the monitoring system. In Figure 3A, emitting arm 310 A transverses along one side of the delivery path in the vending machine. Emitters, 315A, are attached to arm 310A. The horizontal and vertical placement of emitters 315A on arm 310 A is determined by the size of the smallest product that crosses the delivery path, and by the type and accuracy of the emitters utilized in the present invention. The emitters may comprise of an optical monitoring device. The spacing of optical emitters is determined by five factors: emitter size, optical diffusion, ambient light, product size and the reflected light. Emitter size and optical diffusion is fixed at the time of construction, however, ambient and reflective light may vary over the course of use of the emitter. Infrared light may be used to help to reduce these effects. However, it is clearly understood and contemplated by the present invention that other types of light sources can be used, including various lasers or white light sources. The body 320A of the arm 310A is made of suitable material able to contain the electronic control components 325A necessary to operate the emitter, including, a power source 330A, and logic circuitry 335A. Additionally, holes 340A are provided to securely fasten and adjust the positioning of the arm 310A to the vending machine. Figure 3B shows the detector anrm portion of the monitoring system. The shape and construction of the detecting arm 350B is related to the shape and construction of the emitting arm 310A. The detecting arm 350B is placed on the same plane, parallel to and across the 4 WO 2004/001687 PCT/US2002/019292 delivery path from arm 310A (see Figure 2 for more details). The detectors 355B are arranged so that their vertical spacing and horizontal arrangement mirror the emitter's arrangement on arm 310A. Likewise, the body 360B of 350B is constructed of material suitable to contain detection and logic circuitry 365B, attachminent holes 370B, and a power source 375B. The choice of the type of detector is directly related to the type of emitter being utilized in the present invention. However, the emitting arm 310A and the detector arm 350B may or may not have power sources, electronic control components, and logic circuitry. In one exemplary embodiment, the detector arm may have a power source, electronic component, and logic circuitry that connects to the emitters thereby eliminating the power source and logic circuitry on the emitter arm. Similarly, the emitter arm may have the power source, electronic components, and logic circuitry and the detector arm not. Further, the power sources, electronic control components, and logic circuitries may be located separately from, together with, or in various combinations with the arms. Figure 4 shows the operation of the monitoring system when a customer places an order. Prior to placing an order, the monitoring system is in calibration mode in step 400. Upon placement of the order in step 405, the monitoring system transitions from its steady state calibration mode 400 into its monitoring mode in step 407. Once in monitoring mode, the monitoring system begins cycling each emitter by pulsing the emitter individually in step 410. The monitoring system uses a pulse strength determined when the system was in the calibration mode. In step 410 an emitter pulses its signal to the corresponding detector across from the emitter, and the two detectors on either side of the detector. Upon pulsing the light, the detector circuitry determines whether the detectors detected the light from the emitter in step 415. (If the emitter is either the first emitter or the last emitter on the emitter annrm, then only the detector across from the emitter and the detector on the non-wall side of the detector is scanned.) If the detector directly across from the pulsing emitter or the side detectors detects the signal in 415, then the emitter's logic circuit sequences to the next emitter in line and sends a pulse from that emitter in step 420. The emitter's logic circuit continues until it completes the pulsing of the last detector whereupon, the monitoring system repeats the process, and begins again at the first emitter until the detector's logic circuit receives a detect signal and/or the monitoring system receives a signal to cease monitoring. If at least one of the three detectors fails to detect a light beam from the emitter during the monitoring cycle, then the logic circuit reports a product delivery to the ordering system in 5 WO 2004/001687 PCT/US2002/019292 step 425. Once a report of delivery is made to the ordering system, the ordering system returns a signal to the monitoring system to return to steady state calibration mode in step 430. Otherwise, the monitoring system continues to monitor until it receives a return to steady state calibration signal from the ordering system. Figure 5 shows the steady state calibration mode of the monitoring system. During the steady state calibration mode, the monitoring system is constantly calibrating itself for optimum performance because temperature, humidity, dust, and alignment conditions fluctuate over the course of system usage. The calibration mode adjusts the light intensity from each emitter as necessary so that each set of three detectors serviced by that emitter receives only enough intensity, plus a small safety margin, to be active in the unblocked condition. This minimizes the adverse affects of reflected light from the emitters and allows for a wider detector aperture (which makes system alignment easier) and reduces the overall power requirements of the system. In step 505, the logic circuit in the monitoring system determines whether an order has been placed. If an order has not been placed, then the monitoring system proceeds to send a series of pulses to the first of the one or more emitters in step 510. Upon sending a pulse, the monitoring system queries the emitter's corresponding detector and'each detector on either side of the corresponding detector to determine if those detectors detected the pulsed signal in step 515. If a signal was detected in each of the three detectors then the monitoring circuitry sequences to the next emitter in step 520. The emitter's typically have adjustable signal power levels associated with the type of emitter used. The calibration mode will attempt to maintain the power level at the level needed to provide just enough signal, plus a safety margin, such that the corresponding detectors detect the signal. If any one of the three detectors does not detect the pulsed signal from the emitter, then in step 530, the monitoring circuitry determines whether the emitter is operating at its maximum power intensity. If the emitter is not, then the emitter will step increase the signal power level in step 560 and re-send a pulsed signal to the detectors again in step 510. If the power intensity for that emitter is at its maximum intensity, then the detector will send an error message to the monitoring system in step 540. The monitoring system will then follow a pre-coded routine to shut down the entire vending operation, shut down the monitoring system or rely on prior art ordering systems (the home switch method) in step 550. Figure 6 shows a typical detector arm attached to a vending machine. Because of the reflective surfaces 610 in the vending machine, small apertures 620 are used to minimize the reflective light from adjacently reflective surfaces 610. The apertures are narrowed holes located in front of the detectors, 625, on the detector side of sensing system 630. The holes 6 WO 2004/001687 PCT/US2002/019292 inhibit unwanted reflections from adjacent surfaces by blocking much of the light beams that reflect back to the detector arm at wider angles than the apertures allow. Apertures 620 keep the majority of the unwanted light from reaching the detection side of the monitoring system. In addition, the detectors 630 have a usable 60-degree horizontal/30 degree vertical reception angle. Light arriving at the detector at angles greater than these is rejected. Additionally, infrared optical detectors contain optical frequency filters, which reject visible light frequencies, but pass the infrared frequencies of interest. Modulation techniques, whereby the detector only responds to certain signal frequencies from the infrared emitters may also be used to allow the detectors to distinguish between the ambient light and the desired point source light frequency from the emitter. As mentioned above, product detection may be accomplished by utilizing infrared emitter/detector pairs that can monitor and detect when a signal path is broken. In typical a vending machine's delivery paths, a set of ten infrared emitter/detector pairs are used to cover the delivery path much like a light curtain. Figure 7 shows a representative example of a light curtain 730 that may be utilized in the present invention. Typically, nine sets of emitters/detectors are used to cover the main delivery path, while the tenth set is used to cover a gum/mint area. The nine sets that cover the main delivery path implement a technique, which, other than for the first and last emitter, requires that, a minimum of three detectors are active for each individual emitter monitor cycle. For those vending machines without a gum or mint section, the tenth emitter may be used for the main delivery area, provided that proper alignment of the ten sets is taken into consideration. This arrangement is illustrated in Figure 7, which shows the light beams 710 of interest for each emitter 720 and detector 725. The spacing of the emitter/detector sets are chosen to assure that the smallest size traditional product breaks the path of at least one beam when it crosses the light curtain during delivery. The technique of servicing three detectors for each emitter, allows the monitor to read multiple light beams, which further reduces this spacing in the majority of the delivery area. A logic circuit determines whether a light beam has been broken. In the monitoring system, the infrared emitter/detector sets are controlled by a micro controller located on the detector arm. During the monitoring mode, it is necessary to monitor each of the emitter/detector sets separately because of the potential for light bleed-over from adjacent emitters. The timing sequence for each set monitor cycle used during the monitoring 7 WO 2004/001687 PCT/US2002/019292 mode must be fast enough to ensure that the smallest product will be detected by any one of the detectors when the product passes the monitor plane as it falls from the product storage area. The control software may further provide the vending operator options to revert to home switch operation, to use a delivery method other than home switch operation, or to place the vending machine out of service in the event the monitoring system is inoperative. For example, the operator may chose to revert to go out-of service and prevent erred delivery of the ordered product, all product, or some combination of products. In this manner, theft may be prevented. Alternately, the customer may be offered a refund or the option of selecting another product. Another option may provide for the machine to return to home switch operation. If the monitoring system malfunctions, returning to home switch operation may permit continued service by the machine. A further option may provide for the machine to operate in a manner other than home switch operation. For example, upon a first delivery failure, the machine may move from a home position until a product is delivered and stop. Figure 8 depicts an exemplary embodiment of a method other than home switch operation. In this exemplary method, the machine may wait for an order. As seen in a block 810, once the order is detected, the delivery mechanism may move to the home position. In normal operation, the machine may rest at a home position, moving from the home position and returning to the home position. For example, in a helical delivery mechanism seen in Figure 2, product may typically be delivered with each turn of the helix. In this example, the helix rests at a home position and turns one revolution to deliver the product, returning to the home position. If a deliver is detected, the machine returns to waiting for another order, as seen in a block 804. However, if a delivery is not detected, the machine may gradually or at a continuous speed move from the home position until a delivery is detected or the delivery mechanism returns to the home position. As seen in the blocks 808 and 810, if a delivery is detected while the delivery mechanism is moving, the mechanism is stopped and the machine awaits another order. If another order is made, the machine returns to the home position. In this manner, if a first item is stuck, a second item may move it forward causing a delivery. By stopping the mechanism, delivery of the second item may be prevented. However, if a delivery is not detected and the machine returns to home position, an error or delivery failure may be detected as seen in a block 814. Alternately, the machine may count the number of passes through the home position and disable delivery of the product, all products, and/or offer a refund or credit once a preset number of passes is exceeded. 8 WO 2004/001687 PCT/US2002/019292 Further, various other methods may be envisaged which use the monitoring system to ensure delivery of the product and/or prevent theft. The monitoring system controller printed circuit board uses flash memory to store the firmware. This gives the option to perform firmware updates in the field. The vending system may have several operating options. In one exemplary embodiment, These may be viewed and programmed by pressing the PRODUCT CONFIG service key on the keypad located on the inside of the vending machine and pressing the down arrow until the appropriate option is reached. The keypad has an associated display device, such as an led screen or such other typical devices that allow the operator to view the code and results stored within the system. In this exemplary embodiment, by depressing the EDIT key, the vendor can choose between "SURE.V ON" or "SURE.V OFF". "SURE.V OFF" is chosen by the operator only if the monitoring system is not installed or if the operator does not wish it to use it at the present time. The remaining options for the PRODUCT CONFIG mode are only visible if "SURE.V ON" is selected and the monitoring system is available. When "SURE.V ON" is selected, the operator may then choose between "OPT'N SURE.V" or "MUST SURE.V". If"OPT'N SURE.V" is selected, the vending machine operation reverts to home switch operation if the monitoring system is not operating normally because, for example, of an obstruction or loss of communication. If "MUST SURE.V" is selected by the operator, the vending machine operates only if the monitoring system is available for use for the main delivery area. (The gum and mint area does not affect operation of the main area, unless the programmer decides otherwise.) Otherwise, the vending machine becomes temporarily out-of-service until the blockage or other error is corrected. When the operator uses the number keys to program "ANTI.JP xx", the anti-jackpot protection option against unforeseeable cheating of the vending machine's monitoring system is activated. "xx" represents the number of empty conditions that disables the entire delivery system for a time period as programmed and decided by the operator (described below). A empty condition occurs when product delivery is not detected and the customer's money is restored or returned. An "xx" value of "00" disables this anti-jackpot feature. The assumption of this option is that very few system failures to the vending machine's delivery system occurs. If a significant number of failures, represented by "xx", do occur then it is assumed that it is because of tampering. Upon reading "xx", the delivery system is deactivated for a certain amount of time so that money can no longer be refunded because of a 9 WO 2004/001687 PCT/US2002/019292 vend failure and to discourage a potential thief from attempting to steal either product or money. In this condition, the vending machine either reverts to home switch operation if "OPT'N SURE.V" is active, or the system deactivates and the vending machine goes out of service if "MUST SURE.V" is active. If in "Must Sure.V", once the programmed deactivation time has elapsed the system is re-enabled and the count towards "xx" is restarted. The total number of system empty selections, the number of anti-jackpot occurrences, and the date and time of the last occurrence are recorded as noted below. The operator programs the number of minutes that the vending system remains disabled because of an anti-jackpot occurrence by selecting the "AJP.TMR xxM" option where "xx" is the time in minutes. If "99" is programmed, then the system remains disabled until the main door closes at the end of the next service call. Closing the main door also resets any anti jackpot time remaining. Certain system data can be reviewed in the PRODUCT CONFIG mode: "SV.EMPTY xx" returns the number of times that credit was restored or returned because the monitoring system failed to detect a product delivery. **.SV xxxx" returns the total number of corrected vends, viewable by selection. These are the vends, which nonnally would not have delivered product if the present invention was not active. "WO.SV xxxx" returns the number of vends, viewable by selection, made while the monitoring system was disabled for some reason. The MACHINE CONFIG list provides additional options related to the present invention. If the operator selects "FAIL=CASH", the customer's money is automatically returned on any failed vend. If "FAIL=CRDT" is selected, the credit is restored to the vending machine for another selection. The customer may press the coin return to retrieve his money. The TEST list provides the test screen for the system. If the operator keys in "SV.TST xxx", the following options are provided: "SV.TST OK" indicates that the monitoring system is operating properly. "SV.TST xx" indicates a block in sensing zone 1-9 with 1 being closest to the glass. "H" indicates the gum & mint is blocked if it is configured. This number is displayed real-time and beeps as it changes. This may be used to test the product coverage of the monitoring system's sensors, although the accuracy is somewhat less than in actual vend situations because of the data being presented. 10 WO 2004/001687 PCT/US2002/019292 "SV.TST CAL" indicates calibration values that are high. "EDIT" may be used to view the calibration values. A high calibration may be caused by dirt, misalignment of the system sensors, or a partial blockage of a sensor. A calibration value of "0" indicates a shorted detector. This normally requires a new detector assembly. A calibration value of "1" indicates that zone could not be calibrated. It indicates a blocked or damaged sensor. Calibration values above "A" are abnormal and may require adjustment of the alignment or cleaning of the sensors. "SV.TST COMM" indicates loss of communication with the monitoring system, and allows the operation to check the harness connections between the vending machine controller and the monitoring system's controller. Diagnostics related to the present invention: "SV.EMPTY mnn" shows that selection "nn" was marked as empty because product delivery was not detected. "SV.TST xx" automatically enters the system test screen as a diagnostic message if any blocked sensor, communication error, or calibration error is detected. "AJP.TMR xx.xM" is in the diagnostic list if the anti-jackpot timer is active. It shows the time remaining. "AJP xxX MN/DY HR.MN" is the total number of times the anti-jackpot feature occurred plus the date and time of the last occurrence. However, other options and coding methods may be envisages. In addition, other functionality will become apparent in light of this description. As such, a system and method for ensuring delivery of product and preventing theft is described. In view of the above detailed description of the present invention and associated drawings, other modifications and variations will now become apparent to those skilled in the art. It should also be apparent that such other modifications and variations may be effected without departing from the spirit and scope of the present invention as set forth in the claims which follow. 11
Claims (59)
1. A vending system for verifying the delivery of a ordered product, the system comprising : an ordering system for receiving a customer order of a product; a product delivery system for sending the product located in a first product storage position through a delivery path to a second product receiving position; a monitoring system located along the delivery path for detecting when the product passes through the delivery path from the first position to the second position, the monitoring system optically scanning the delivery path for the product transition; and a reporting circuitry electronically coupled to the monitoring system wherein the reporting circuitry reports the result of the customer order.
2. The vending system of claim 1 wherein the monitoring system further comprises: one or more light emitting source; and one or more light detection source wherein the light detection source detects a change in a light from the light-emitting source.
3. The vending system in claim 2 wherein the monitoring system further comprises: an optical circuitry for optically monitoring the delivery path between the first product storage position and the second product receiving position; and a logic circuit electronically coupled to the optical circuitry for determining whether the product passed through the delivery path, the determining occurring by receiving a first logic result when light is detected, and a second logic result when light is not detected.
4. The vending system in claim 3 wherein the logic circuitry further comprises: an input from the delivery system; an input from the optical circuit; and an output from a comparison circuit, whereby the output comprises of a resulting comparison between the input from the delivery system and the input from the optical circuit, wherein the resulting comparison determines if a delivery attempt by the delivery system resulted in an actual delivery of the product to the receiving position.
5. The vending system in claim 2 wherein the light is an infrared light.
6. The vending system in claim 2 further comprising: an optical detection aperture wherein the aperture is used to reduce the range of incident angles of light that may be detected. 12 WO 2004/001687 PCT/US2002/019292
7. The vending system in claim 2 wherein the one or more light emitting source is aligned approximately across from the light detecting source, wherein the delivery path lies in between the emitting source and the detecting source.
8. The vending system in claim 2 wherein the one or more light emitting source and the one or more detection source is aligned such that the spacing between detectible beams accounts for the smallest product that transitions through the delivery path.
9. The vending system of Claim 8 wherein the detectible beams comprise light emitted from one of the one or more light emitting source and detected by an aligned detector and two detectors adjacent to the aligned detector.
10. The vending system in claim 2 wherein at least two light emitting sources and at least two detecting sources are used, the system further comprising: a controller that sends a signal to a first one of the at least two light emitting sources activating and then deactivating the first one of the at least two light emitting sources; a set first time period wherein the signal is cycled by the controller to a next emitting source of the at least two light emitting sources; and a second time period wherein an emitting source cycle is complete wherein the second time period is determined by a shortest delivery path travel time of a product.
11. The vending system in claim 2 wherein the power of the one or more light emitting sources is adjusted to compensate for ambient light effects.
12. The vending system in claim 2 where in the power of the one or more light emitting sources is adjusted to compensate for reflected light effects.
13. The vending system in claim 1, wherein the reporting circuitry further comprises a data storage device for storing information concerning the customer order.
14. The vending system in claim 13 wherein the reporting circuitry further comprises a display device wherein an operator can retrieve the information.
15. The vending system in claim 1, wherein the reporting circuitry further comprises a logic circuit for determining whether to offer another vend attempt to the customer based upon a comparison between the result and a predetermined rule.
16. The vending system of Claim 15 wherein delivery of all products is prevented if a product delivery is not detected.
17. The vending system of Claim 15 wherein the delivery of a set of products is prevented if a product delivery is not detected.
18. A vending method for determining whether a product is delivered, the method comprising the steps of: 13 WO 2004/001687 PCT/US2002/019292 sending a delivery signal to a product delivery system based on a customer ordering event; monitoring a delivery path that the ordered product travels to reach a product receiving location with a monitoring system located along the delivery path for detecting when the product passes through the delivery path, the monitoring system optically scanning the delivery path for the product transition; and determining if the product was delivered to the receiving location.
19. The method of claim 18 wherein the monitoring further comprises the steps of: transmitting a signal from one or more signal emitting devices; monitoring to receive the signal at one or more signal detection devices; and determining whether an interruption of the signal occurred.
20. The method of claim 19 wherein the step of transmitting the signal further comprises the steps of: activating the one or more signal emitting device in a sequential series; and activating the corresponding one or more signal detection device corresponding to the activated corresponding emitter.
21. The method of Claim 20 wherein the one or more signal detection device comprises a detection device aligned with a corresponding signal emitting device and two detection devices adjacent to the detection device aligned with the corresponding signal emitting device.
22. The method of claim 18 wherein the step of monitoring comprises using an infrared signal.
23. The method of claim 18 further comprising the steps of: attempting a redelivery of the product at least one or more predetermined number of attempts, wherein a first attempt to deliver the product failed; and providing the customer one or more alternative choices if the redelivery attempt of the product failed after the one or more predetermined number of attempts.
24. The method of Claim 23, the method further comprising the steps of: storing data associated with the customer ordering event and redelivery attempts.
25. The method of claim 23 wherein the step of providing the customer with an alternative choice further comprises the steps of: providing the customer alternatively with a first choice to request a second product; and providing the customer alternatively with a second choice to request a refund associated with the customer ordering event. 14 WO 2004/001687 PCT/US2002/019292
26. The method of claim 18 wherein the step of sending a delivery signal comprises the step of activating the monitoring system to monitor the delivery path.
27. The method of claim 26 further comprising the step of deactivating the monitoring at the conclusion of the customer ordering event.
28. A vending machine method to deliver a product, the method comprising the steps of: determining that a product ordered by a customer was not delivered; counting the number of failed attempts to deliver the product ordered by the customer; and taking an action based on the number of attempts that the product was ordered by the customer but not delivered.
29. The method of Claim 28, the method further comprising the steps of: storing data associated with the steps of determining, counting, and taking.
30. The method of Claim 28 wherein the action based on the number of attempts comprises preventing delivery of the product ordered by the customer.
31. The method of Claim 28 wherein the action based on the number of attempts comprises preventing delivery of a set of products.
32. The method of Claim 28 wherein the action based on the number of attempts comprises offering a refund of the purchase price of the product ordered by the customer.
33. The method of Claim 28 wherein the action based on the number of attempts comprises selectively preventing delivery of one or more products until an action is taken by a service person and selectively disabling a monitoring system until an action is taken by a service person.
34. The method of claim 28, wherein the taking action step further comprises the steps of selectively preventing other orders from occurring for the product until a predetermined event when the number of attempts reaches a predetermined number and selectively disabling a monitoring system until a predetermined event when the number of attempts reaches a predetermined number.
, 35. The method of claim 34 further comprising the step of re-enabling the vending machine to accept other orders after a predetermined time has lapsed.
36. The method of claim 28, wherein the taking action step further comprises the step of offering a second product alternative.
37. The method of claim 28 wherein the determining step further comprises: sending a delivery signal to a product delivery system based on a customer-ordering event; 15 WO 2004/001687 PCT/US2002/019292 monitoring a delivery path that the ordered product travels to reach a product receiving location; and determining if the product was delivered to the receiving location.
38. The method of claim 37 wherein the step of monitoring further comprises the step of optically monitoring using an infrared signaL
39. An apparatus for monitoring an operation of a vending machine, the apparatus comprising: an ordering system for accepting customer orders; a delivery path through which a product ordered by a customer from the ordering system travels; a set of signal emitting devices located along the delivery path and sequentially emitting a signal; a set of signal detecting devices located across the delivery path from the set of signal emitting devices, at least one signal detecting device of the set of signal detecting devices being aligned with a corresponding signal emitting device of the set of signal emitting devices, the at least one signal detecting device having at least one adjacent signal detecting device, the at least one signal detecting device and the at least one adjacent signal detecting device operable to receive the signal from the corresponding signal emitting device; and a logic circuit connected to the set of signal detecting devices, the logic circuit determining whether a product is delivered along the delivery path from an output of the set of signal detecting devices.
40. An apparatus for facilitating delivery of a product from a vending machine, the vending machine having an ordering system for accepting a customer order of the product, at least one delivery mechanism associated with the product and a delivery path for delivering the product, the delivery mechanism moving from and returning to a home position in response to the customer order, the apparatus comprising: a monitoring system located about the delivery path, the monitoring system determining if a product passes along the delivery path; and a circuitry communicatively coupled to the monitoring system, the circuitry determining a failure if the product does not pass along the delivery path in response to a customer order, the circuitry instructing the at least one delivery mechanism to move from the home position in response to the failure and to subsequently stop in response to the product passing along the delivery path. 16 WO 2004/001687 PCT/US2002/019292
41. The apparatus of Claim 40 wherein the at least one delivery mechanism returns to the home position when a subsequent order is placed for the product.
42. The apparatus of Claim 41 wherein the circuitry instructs the at least one delivery mechanism to stop at the home position if a delivery associated with the subsequent order is detected by the monitoring system.
43. The apparatus of Claim 41 wherein the circuitry instructs the at least one delivery mechanism to move beyond the home position if a delivery associated with the subsequent order is not detected by the monitoring system.
44. The apparatus of Claim 40 wherein the monitoring system comprises a set of signal emitters and a set of signal detectors.
45. The apparatus of Claim 44 wherein the monitoring system sequentially activates each of the signal emitters in the set of signal emitters.
46. The apparatus of Claim 45 wherein the circuitry determines the passing of the product through the delivery path when at least one signal detector associated with one of the set of signal emitters is not illuminated when the one of the set of signal emitters is activated.
47. The apparatus of Claim 44 wherein at least one signal detector of the set of signal detectors and at least one adjacent signal detector receive a signal from a corresponding signal emitter of the set of signal emitters, the corresponding signal emitter being aligned with the at least one signal detector.
48. A method of facilitating the delivery of a product from a vending machine, the vending machine having an ordering system for accepting a customer order of the product, at least one delivery mechanism associated with the product and a delivery path for delivering the product, the delivery mechanism moving from and returning to a home position in response to the customer order, the method comprising: monitoring a delivery path with a monitoring system located about the delivery path; instructing the at least one delivery mechanism to move in response to a failure of the product to pass along the delivery path in response to the customer order; and instructing the at least one delivery mechanism to stop moving in response to a subsequent passing of the product along the delivery path.
49. The method of Claim 48, the method further comprising: instructing the at least one delivery mechanism to return to the home position in response to a subsequent customer order.
50. The method of Claim 49, the method further comprising: 17 WO 2004/001687 PCT/US2002/019292 instructing the at least one delivery mechanism to continue beyond the home position if a delivery is not detected in response to the subsequent customer order.
51. The method of Claim 49 wherein the monitoring system comprises a set of signal emitters and a set of signal detectors.
52. The method of Claim 51 the method further comprising: sequentially activating each of the signal emitters in the set of signal emitters.
53. The method of Claim 52 the method further comprising: receiving with at least one signal detector of the set of signal detectors and at least one adjacent signal detector a signal from a corresponding signal emitter of the set of signal emitters, the corresponding signal emitter being aligned with the at least one signal detector.
54. The apparatus of Claim 52 wherein the circuitry determines the passing of the product through the delivery path when at least one signal detector associated with one of the set of signal emitters is not illuminated when the one of the set of signal emitters is activated.
55. A vending machine for delivering at least one product in response to a customer order, the vending machine comprising: an ordering system for accepting the customer order of the product; at least one delivery mechanism associated with the at least one product, the at least one delivery mechanism moving from and returning to a home position in response to the customer order; a delivery path for delivering the product; a monitoring system located about the delivery path, the monitoring system determining if a product passes along the delivery path; and a circuitry communicatively coupled to the monitoring system and the at least one delivery mechanism, the circuitry instructing the at least one delivery mechanism to move beyond the home position if the product does not pass along the delivery path in response to a customer order and to subsequently stop in response to the product passing along the delivery path.
56. The vending machine of Claim 55 wherein the at least one delivery mechanism returns to the home position when a subsequent order is placed for the product.
57. The vending machine of Claim 55 wherein the circuitry instructs the at least one delivery mechanism to move beyond the home position if a product delivery associated with the subsequent order is not detected. 18 WO 2004/001687 PCT/US2002/019292
58. The vending machine of Claim 55 wherein the monitoring system comprises a set of signal emitters and a set of signal detectors, the monitoring system sequentially activating each of the signal emitters in the set of signal emitters.
59. The vending machine of Claim 58 wherein at least one signal detector of the set of signal detectors and at least one adjacent signal detector receive a signal from a corresponding signal emitter of the set of signal emitters, the corresponding signal emitter being aligned with the at least one signal detector, the circuitry determining the passing of the product through the delivery path when the at least one signal detector or the at least one adjacent signal detector associated with the corresponding signal emitter of the set of signal emitters is not illuminated when the corresponding signal emitter of the set of signal emitters is activated. 19
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PCT/US2002/019292 WO2004001687A1 (en) | 2002-06-19 | 2002-06-19 | Method and system for accomplishing product detection |
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AU2002318354B2 AU2002318354B2 (en) | 2009-09-03 |
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AT (1) | ATE524797T1 (en) |
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ITVR20040068A1 (en) * | 2004-04-21 | 2004-07-21 | Fas International Spa | OPTICAL BARRIER DEVICE |
ITTO20040303A1 (en) * | 2004-05-10 | 2004-08-10 | Novarese Michele | REFINEMENTS IN AN AUTOMATIC ITEM DISTRIBUTOR |
ES2627740B1 (en) * | 2015-09-18 | 2018-01-26 | María Jorgelina FAVA | Butane bottle unassisted vending machine |
CN112200969A (en) * | 2020-09-01 | 2021-01-08 | 深圳市智莱科技股份有限公司 | Shipment fault processing method, vending machine and computer-readable storage medium |
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US4252250A (en) * | 1978-09-28 | 1981-02-24 | Umc Industries, Inc. | Multiple-beam optical sensing system for an article vendor |
US4359147A (en) * | 1979-08-06 | 1982-11-16 | H. R. Electronics Company | Means to control vending functions |
US6384402B1 (en) * | 1998-04-29 | 2002-05-07 | Automated Merchandising Systems | Optical vend-sensing system for control of vending machine |
DE20006317U1 (en) * | 2000-04-06 | 2000-10-19 | Stiefel GmbH, 75038 Oberderdingen | Device for recognizing an object |
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CA2489788C (en) | 2014-01-28 |
CA2489788A1 (en) | 2003-12-31 |
AU2002318354B2 (en) | 2009-09-03 |
MXPA05000179A (en) | 2005-06-06 |
EP1522055B1 (en) | 2011-09-14 |
ATE524797T1 (en) | 2011-09-15 |
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