US20110048104A1 - Test apparatus - Google Patents
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- US20110048104A1 US20110048104A1 US12/922,222 US92222209A US2011048104A1 US 20110048104 A1 US20110048104 A1 US 20110048104A1 US 92222209 A US92222209 A US 92222209A US 2011048104 A1 US2011048104 A1 US 2011048104A1
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- monitoring equipment
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/00584—Control arrangements for automatic analysers
- G01N35/00594—Quality control, including calibration or testing of components of the analyser
- G01N35/00613—Quality control
- G01N35/00623—Quality control of instruments
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
- G01N21/274—Calibration, base line adjustment, drift correction
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
- G01N21/274—Calibration, base line adjustment, drift correction
- G01N21/278—Constitution of standards
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/20—Administration of product repair or maintenance
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/04—Manufacturing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N2001/2893—Preparing calibration standards
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
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- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Quality & Reliability (AREA)
- Biochemistry (AREA)
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- General Business, Economics & Management (AREA)
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- Marketing (AREA)
- Spectroscopy & Molecular Physics (AREA)
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- Operations Research (AREA)
- Entrepreneurship & Innovation (AREA)
- Manufacturing & Machinery (AREA)
- Primary Health Care (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
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Abstract
A test sample is provided for testing performance of measuring and monitoring equipment for production lines, for example for foodstuffs or pharmaceuticals, and in particular, contamination monitoring equipment employing X-rays and/or metal detectors to spot foreign bodies in packaged products. The test sample may comprise a laminated card enclosing a standardised test piece such as a metal particle of specified size. The card or other sample bears at least one identification containing a barcode, readable by an optical scanner. To test the equipment, a card is placed on a product package passing through the equipment, the optical scanner reads the barcode to confirm that the correct test sample has been submitted, and the results for the test sample are recorded in a computer log. If the results do not match those expected from the particular test sample submitted, the equipment fails the test and requires recalibration or repair.
Description
- The present invention relates to testing and calibration systems for production line monitoring equipment. More particularly, but not exclusively, it relates to an apparatus and method for confirming the correct operation of foreign body monitoring equipment.
- It is important to ensure that goods leaving a production line are not contaminated by extraneous material. This is particularly the case when the line is producing goods such as foodstuffs or pharmaceuticals. Monitoring systems are therefore used to scan products on the line. Metal detectors are used to scan for metal particles or the like, while x-ray scanning is capable of detecting objects having only a slightly different radiological density or consistency from the product, such as bones in meat products, glass, mineral stones, and some plastics materials such as poly(vinyl chloride).
- It is customary to run test samples through these monitoring systems, initially to ensure that the system has been properly set up, and then either at regular intervals or randomly, in order to confirm the correct operation of the monitoring system. The results of these tests are recorded in a log, for instance as part of a quality assurance system. Customers of food manufacturers will frequently insist on auditing such logs and the associated procedures, as part of their effort to ensure that their own customers are not at risk and have no cause for complaint from contaminated foodstuffs and the like.
- The test samples generally comprise laminated test cards or test sticks that can conveniently be placed on or attached to individual products on the production line.
- Specifications will often require that the monitoring system on a production line must pick up a test sample of a particular size and type, every time that such a sample is run through the system. If it fails to do so, the monitoring system must be taken out of service and re-calibrated or adjusted. This almost certainly involves shutting down the whole production line, however, which is potentially very expensive. It has become apparent that this situation has in some cases tempted operators to log the use of a specified test sample, but to pass through the system a more easily detectable sample (e.g. a 3 mm metal particle, where the specification is to detect a 1 mm particle). This reduces the frequency of shut-downs for recalibration, but will lead to mis-calibrated monitoring systems potentially passing contaminated goods that they should have detected. It is equally possible that the wrong test sample might be used in error; this would also lead to mis-calibrated systems not being discovered and corrected.
- Similar issues are encountered for other monitoring and measuring equipment used on production lines. In each case, the accuracy of measurements is being guaranteed, expressly or by implication, and so it is necessary to test the reliability of the measuring equipment by challenging it regularly with a standard of some form. As above, the prospective cost of taking equipment out of service for readjustment can tempt those responsible for the equipment to submit inappropriate standards to ensure that the test is passed, regardless of the condition of the equipment. Equally, an incorrect standard could be submitted as a simple error.
- For example, microwave techniques are used to measure the fat content of food products, and so standard test samples must be run through the respective equipment to confirm that the measured fat contents are meaningful. X-ray techniques are used in the pharmaceutical field to determine the mass of powder delivered to a tabletting die or to a powder inhaler. Calibration discs are used to ensure that these measurements are accurate. In each case, it is important to ensure that the correct standards are used, and ideally that this can be demonstrated to a customer or a regulatory body.
- It is hence an object of the present invention to provide apparatus for checking the operation of such measuring and/or monitoring systems, which obviates the above problems and provides a reliable record of a testing regime actually put into effect for the system. It is also an object of the present invention to provide a corresponding method for checking such measuring and/or monitoring systems.
- According to a first aspect of the present invention, there is provided a test sample adapted to challenge measuring and/or monitoring equipment of a production line or the like, comprising test standard means of preselected composition, dimensions and/or mass, and machine-readable identification means corresponding to said composition, dimensions and/or mass.
- The test standard means may comprise contaminant specimen means adapted to challenge contaminant monitoring equipment.
- The contaminant specimen means may comprise material simulating a specific contaminant.
- Preferably, said test sample is adapted to be mounted to product means passing along the production line or the like.
- Advantageously, said test sample comprises a substantially laminar body disposable on top of said product means.
- The test sample may be adapted to be so detachably mountable to the product means as not to cause damage thereto.
- Preferably, said identification means is readable by optical sensor means.
- Advantageously, said identification means comprises barcode means.
- Said barcode means may comprise one-dimensional barcode means.
- Alternatively, said barcode means may comprise two-dimensional barcode means.
- Said identification means may comprise electronic identification means such as RFID (radio-frequency identification) tag means.
- The test standard means may comprise a test standard adapted to challenge equipment for measuring product properties such as weight, size and composition.
- According to a second aspect of the present invention, there is provided measuring and/or monitoring equipment for a production line or the like, comprising means to determine a product property, means to report the determination of said property and means adapted to read identification means of a test sample means submitted to the equipment so as to confirm its correct operation.
- The measuring and/or monitoring equipment may comprise contamination monitoring equipment, said property being presence or absence of a particular contaminant means.
- Said contamination monitoring equipment may comprise X-ray scanning means.
- Alternatively or additionally, the contamination monitoring equipment may comprise metal detector means.
- Alternatively or additionally, the measuring and/or monitoring equipment may be adapted to measure one or more product properties such as weight, dimensions and/or composition.
- Preferably, said test sample means comprises a test sample as described in the first aspect above.
- Said reader means preferably comprises optical reader means.
- Said reader means advantageously comprises barcode reader means.
- The reporting means may comprise alarm means.
- The reporting means may comprise log means, such as electronic log file means, optionally remotely accessible, such as via a database server or the like.
- Said log means may be adapted to record a sample identity, read from test sample means submitted to the equipment, in association with a product property determination report for said test sample means.
- Means may be provided to compare an actual product property determination report for test sample means with a predicted product property determination report therefor.
- Said comparison means may base said predicted product property determination report on an identity of the test sample means, as read by the reader means.
- The monitoring equipment may be provided with means to alert an operator to submit a test sample means.
- Said alerting means may be adapted to inform the operator which test sample means to submit.
- According to a third aspect of the present invention, there is provided a method for testing correct operation of measuring and/or monitoring equipment for production line means, comprising the steps of providing test sample means comprising machine-readable identification means, providing measuring and/or monitoring equipment comprising means to read said identification means, submitting said test sample means to said equipment, recording a response of said equipment to the test sample means, reading the identification means of the test sample means to determine an identity thereof, and recording said sample identity in association with said response.
- The measuring and/or monitoring equipment may comprise contamination monitoring equipment.
- Alternatively or additionally, the measuring and/or monitoring equipment may comprise equipment adapted to measure product properties, such as weight, dimensions and/or composition.
- Preferably, said identification means comprises barcode means.
- Said identification means preferably comprises data concerning one or more properties of the test sample means, such as composition, dimensions and/or mass.
- Said identification means may comprise data concerning a contaminant type, level and/or size that comprises or is simulated by the test sample means.
- Said identification means advantageously comprises data concerning a provenance of the test sample means, such as its source, certification data and/or its date of creation and/or certification.
- Said identification means may comprise serial number means adapted to enable reference or cross-reference to some or all of said data.
- Preferably said recording steps comprise making a record in log means, optionally in electronic log file means.
- The method may comprise the steps of providing a schedule for submitting preselected test sample means, and comparing the identification means of the test sample means submitted with that pre-selected in the schedule.
- Preferably, the method comprises the step of comparing an actual response for a submitted test sample means to a predicted response therefor.
- Advantageously, the method comprises the step of establishing said predicted response based on a sample identity determined by reading the identification means of the submitted test sample means.
- The measuring and/or monitoring equipment may comprise measuring and/or monitoring equipment as described in the second aspect above.
- The test sample means may comprise a test sample as described in the first aspect above.
- Embodiments of the present invention will now be more particularly described by way of example and with reference to the accompanying drawings, in which
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FIG. 1 is a plan view of a test sample embodying the present invention; and -
FIGS. 2A , 2B and 2C are a frontal elevation, a plan view from above and a side elevation respectively of monitoring equipment embodying the present invention. - A production line for foodstuffs or pharmaceutical products is provided with a monitoring system to check for the presence of contaminants. For example, a metal detector arrangement may be used to scan for metallic fragments in products. X-ray scanning and imaging or signal integration arrangements may be used to monitor for a range of foreign bodies in the product, as long as they differ in density from the authentic contents of the products in question.
- To confirm that such monitoring systems are correctly set-up, and can be relied upon to detect product contamination, test samples are provided which contain standard contaminants (such as metal particles or strips of specified dimensions) or materials simulating standard contaminants. The test samples frequently comprise laminated cards or test sticks within which the standard contaminants, etc, are enclosed. These can conveniently be placed on top of a product passing along the production line, thereby used to challenge the monitoring system, and then removed without having harmed the product.
- The monitoring system will typically be programmed with a testing schedule, and will notify an operator when a test sample is due to be passed through the monitoring system as a challenge, and which test sample to use. The monitoring system will also keep a log to confirm that a test sample has been passed through, and whether the monitoring system passed or failed the product bearing the test sample. If the monitoring system passes a test sample that it should have failed, this may lead to the monitoring system (and associated production line) having to be taken out of service until the monitoring system can be re-calibrated.
- It is possible in existing monitoring systems for an incorrect test sample to be passed through, whether by accident or deliberately. Thus, if the monitoring system is challenged with a sample that is too easily detected, it may go out of calibration without being noticed, or deliberate or inadvertent maladjustment of system settings may be missed. In either case, contaminated products might as a result be released from the production line and supplied to customers.
- Referring now to the Figures, and to
FIG. 1 in particular, atest sample 1 embodying the present invention comprises alaminated card 2 with a foreignbody test piece 3 enclosed therein. The foreignbody test piece 3 is standardised to fit a pre-selected specification criterion; for example, it may comprise a metal particle of specified dimensions. - One or
more identification zones 4 are provided on one face of the card 2 (optionally, correspondingzones 4 are provided on both an obverse and a reverse of thecard 2 for convenience). Eachidentification zone 4 carries a barcode (not shown) which encodes data concerning the type of contaminant/foreignbody test piece 3 present, its dimensions, a serial number of thetest sample 1, and other identifying information such as the origin of thetest sample 1, and its date of production and/or issue. Alternatively, some or all of these data may be provided in a database, referenced through the serial number of thetest sample 1 encoded into the barcode. The barcode may comprise a one-dimensional code, comprising a series of spaced linear features, or may comprise a two-dimensional array of information, such as those known as “matrix” or “snowflake” codes. -
FIGS. 2A to 2C show a piece ofmonitoring equipment 5 embodying the present invention, suitable for incorporation into a production line. Products pass through theequipment 5 from left to right, as indicated byarrow 6, supported on a movingcontinuous belt 7. The products are scanned (in this case with an imaging x-ray system) at aninspection point 8, the results being analysed and displayed by a built-incomputer 9. If a contaminant is detected, it is logged on an electronic log file and an alarm notifies an operator. At areject point 10, down-line of theinspection point 8, the particular product in which the contaminant was detected is ejected from the production line into areject bin 11. - The
monitoring equipment 5 of the present invention is provided with abarcode reader 12 located above the movingbelt 7, immediately before theinspection point 8. Thisreader 12 is thus disposed so that it can read a barcode on theidentification zone 4 of atest sample 1 placed on top of aproduct 13 passing along the belt 7 (seeFIG. 2C in particular). - The data read from the barcode are then compared to the data for the
test sample 1 that was scheduled to be passed through theequipment 5. If the data do not match, the operator is alerted to this fact, so that thecorrect test sample 1 may be passed through. The electronic log file keeps a record of thetest samples 1 actually used, cross-referenced with the outcome of the passage of eachtest sample 1 through themonitoring equipment 5. - This log file can be audited as desired to provide full confirmation that the specified testing regime has been carried out, in order that customers may rely on products from the line not being contaminated.
- In a preferred embodiment, not only is the presence of a contaminant noted and logged, but its signature is also noted and logged. This signature may for example comprise a detected size and/or shape of the contaminant, and/or a detection signal magnitude. Frequently, the signature will result from an algorithm, processing a plurality of independent data items arranged in a multi-dimensional array. The
barcode reader 12 reads data from thetest sample 1, and from these data an expected signature for thatparticular test sample 1 is determined, for example by selection from an archive of such signatures. The signature actually detected for thetest sample 1 is compared to that expected. If they do not tally within pre-set limits, this is logged and the operator is notified. - This obviates a possible malpractice in which an additional unauthorised contaminant is added (for example, a coin) to ensure that a contaminant is apparently detected when a system is being tested.
- The identification of the
particular test samples 1 used, their origin and their date allows a full audit trail to be established back to primary standards or to independent certification results. It also allows a check that current standards are in use (the details of specifications might change for example, or some foreignbody test pieces 3 might change properties over time and require regular replacement). - The
equipment 5 andsamples 1 described allow for a much more reliable and foolproof contaminant monitoring regime than existing equipment and samples. - Further embodiments of the present invention are applied to test the correct operation of other measuring equipment used on production lines, for example to check product mass, dimensions or composition.
- One example of the use of such equipment is in the preparation of pharmaceutical products, in which it is very important that a tablet, capsule or the like contains a correct dose of an active component. One technique for this is to dispense powdered material into pockets or moulds, conveniently on a disc carrier; the material in each pocket may for example be pressed into a tablet, delivered into a capsule, or loaded into a powder inhaler. X-ray equipment is used to determine the mass of material delivered, and so calibration discs are provided to confirm that the X-ray equipment is measuring accurately. In the present invention, identifying barcodes or the like are applied to the calibration discs, and the X-ray equipment is provided with a scanner to read these. The equipment then determines the mass of the calibration standard, checks that this corresponds (within preselected limits) to the mass expected for the identity read from the barcode and logs these data. An operator is alerted if the mass determined is outside the preselected limits. The log is retained to demonstrate that a reliable calibration and quality control regime is in place.
- Another example is the determination of a fat content of a food product (such as meat products, in which the fat content usually specified, or a “low-fat” spread or dessert). The fat content may be determined using microwave apparatus. As above, it is necessary to check the calibration of this apparatus to confirm the reliability of its results. In the present invention, test standards of predetermined fat content are submitted to the apparatus. These standards bear barcodes recording the predetermined fat content and provenance of each test standard. The apparatus is provided with a barcode reader. It reads and logs the identity and provenance of a test standard submitted, the expected fat content that should be determined for the standard, and the fat content actually measured. If the fat content measured differs from the expected fat content by more than permitted limits, an operator is then notified, and the apparatus should be taken out of service for recalibration or other maintenance.
- It is believed that other forms of process measurement and/or monitoring would also benefit from the use of test standards that may be automatically identified by the measurement/monitoring apparatus. For example, water contents are often determined by infrared techniques. Packaging seals are often checked by ultrasound techniques, which should be challenged by submitting standard packages with known seal defects. Even conventional check-weighing systems should regularly be challenged with standard weights, to confirm they remain correctly calibrated, within acceptable limits. In all these cases, and many others, it is beneficial to provide a barcode reader, set up to read, from a barcode on a test sample, the identity of the sample and the test results expected from that sample.
- While the present invention is described above in terms of barcodes and optical barcode readers, RFID devices may also be useful, particularly where large quantities of sample data are involved. However, in some cases, RFID devices may be less suitable than barcodes, such as where the RFID device might itself appear to be a contaminant, or where the detection technique might damage the RFID device.
- It is believed that the approach of adding automatically readable identification means to test samples and standards may be more widely applicable, for example in monitoring apparatus employing vision systems, or in other forms of inspection systems.
Claims (31)
1. A test sample adapted to challenge measuring and monitoring equipment of a production line, comprising a test standard specimen having at least one pre-selected property selected from composition, dimensions and mass, and machine-readable identification corresponding to said pre-selected property.
2. A test sample as claimed in claim 1 , wherein the test standard specimen comprises a contaminant specimen adapted to challenge contaminant monitoring equipment.
3. A test sample as claimed in claim 1 , wherein the test standard specimen comprises a test standard adapted to challenge equipment for measuring product properties selected from weight, size and composition.
4. A test sample as claimed in claim 1 , adapted to be mounted to a product passing along said production line.
5. A test sample as claimed in claim 1 , wherein said identification is readable by an optical sensor.
6. A test sample as claimed in claim 1 , wherein said identification comprises a barcode.
7. (canceled)
8. Measuring and monitoring equipment for a production line, comprising means to determine a product property, means to report the determination of said property, and means adapted to read identification of a test sample submitted to the measuring and monitoring equipment so as to confirm correct operation of the measuring and monitoring equipment.
9. Measuring and monitoring equipment as claimed in claim 8 , comprising contamination monitoring equipment, said product property comprising one of a presence and an absence of a preselected contaminant.
10. (canceled)
11. Measuring and monitoring equipment as claimed in claim 8 , wherein said means adapted to read identification comprises an optical reader.
12. Measuring and monitoring equipment as claimed in claim 11 , wherein said means adapted to read identification comprises a barcode reader.
13. (canceled)
14. (canceled)
15. (canceled)
16. (canceled)
17. (canceled)
18. Measuring and monitoring equipment as claimed in claim 8 , further comprising means to alert an operator to submit a test sample.
19. A method for testing correct operation of measuring and monitoring equipment for a production line, comprising the steps of providing a test sample comprising machine-readable identification, providing measuring and monitoring equipment comprising means to read said identification, submitting said test sample to said measuring and monitoring equipment, recording a response of said measuring and monitoring equipment to the test sample, reading the identification of the test sample to determine an identity of the test sample, and recording said identity of the test sample in association with said response.
20. A method as claimed in claim 19 , wherein the measuring and monitoring equipment comprises contamination monitoring equipment.
21. A method as claimed in claim 19 , wherein the measuring and monitoring equipment is adapted to measure product properties selected from mass, dimensions and composition.
22. A method as claimed in claim 19 , wherein said identification comprises a barcode.
23. A method as claimed in claim 19 , wherein said identification comprises data concerning at least one property of the test sample.
24. A method as claimed in claim 19 , wherein said identification comprises data concerning at least one of a type, level and size of a contaminant that is represented by the test sample.
25. A method as claimed in claim 19 , wherein said identification comprises data concerning a provenance of the test sample.
26. A method as claimed in claim 19 , wherein said recording steps comprise making a record in an electronic log file.
27. A method as claimed in claim 19 , comprising the steps of providing a schedule for submitting pre-selected test samples, and comparing the identification of the test sample submitted with identification of pre-selected test samples in the schedule.
28. A method as claimed in claim 19 , further comprising the step of comparing an actual equipment response for a submitted test sample to a predicted response based on a sample identity established by reading the identification of the submitted test sample.
29. (canceled)
30. (canceled)
31. (canceled)
Applications Claiming Priority (3)
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GBGB0804764.9A GB0804764D0 (en) | 2008-03-14 | 2008-03-14 | Test apparatus |
GB0804764.9 | 2008-03-14 | ||
PCT/GB2009/000707 WO2009112852A1 (en) | 2008-03-14 | 2009-03-16 | Test apparatus |
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PCT/GB2009/000707 A-371-Of-International WO2009112852A1 (en) | 2008-03-14 | 2009-03-16 | Test apparatus |
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US14/533,844 Continuation US9696326B2 (en) | 2008-03-14 | 2014-11-05 | Test apparatus |
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US20110048104A1 true US20110048104A1 (en) | 2011-03-03 |
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US14/533,844 Active 2030-05-11 US9696326B2 (en) | 2008-03-14 | 2014-11-05 | Test apparatus |
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US14/533,844 Active 2030-05-11 US9696326B2 (en) | 2008-03-14 | 2014-11-05 | Test apparatus |
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US (2) | US20110048104A1 (en) |
EP (1) | EP2265904B1 (en) |
JP (1) | JP2011520094A (en) |
GB (1) | GB0804764D0 (en) |
WO (1) | WO2009112852A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150052967A1 (en) * | 2008-03-14 | 2015-02-26 | Cheyney Design & Development Limited | Test apparatus |
JP2016017823A (en) * | 2014-07-08 | 2016-02-01 | 株式会社日立ハイテクサイエンス | Sample plate for x-ray analysis and fluorescent x-ray analyzer |
US10223188B2 (en) * | 2012-05-09 | 2019-03-05 | Infosys Limited | Method and system for detecting symptoms and determining an optimal remedy pattern for a faulty device |
US10451567B2 (en) * | 2017-11-17 | 2019-10-22 | Mettler-Toledo, LLC | Radiographic product inspection system with reject bin |
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JP2013113693A (en) * | 2011-11-29 | 2013-06-10 | Tokuee:Kk | Test card for performance check of inspection meter and storage case for storing the same |
US20140121810A1 (en) * | 2012-10-29 | 2014-05-01 | Elwha Llc | Food Supply Chain Automation Food Service Information System And Method |
US20140122184A1 (en) | 2012-10-29 | 2014-05-01 | Elwha Llc | Food Supply Chain Automation Grocery Information System And Method |
JP6317397B2 (en) * | 2016-06-07 | 2018-04-25 | 京セラ株式会社 | Mobile terminal, display control program, and display control method |
GB2565522B (en) * | 2017-05-26 | 2020-05-20 | Cheyney Design & Dev Ltd | Test apparatus |
DE102018116063A1 (en) | 2018-07-03 | 2020-01-09 | Minebea Intec Aachen GmbH & Co. KG | Test part for a foreign body detector |
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Also Published As
Publication number | Publication date |
---|---|
US20150052967A1 (en) | 2015-02-26 |
EP2265904A1 (en) | 2010-12-29 |
GB0804764D0 (en) | 2008-04-16 |
JP2011520094A (en) | 2011-07-14 |
WO2009112852A1 (en) | 2009-09-17 |
US9696326B2 (en) | 2017-07-04 |
EP2265904B1 (en) | 2019-02-27 |
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