Methods and devices for classifying objects
First Claim
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1. A method for classifying an object having a surface area that is the total area of the exterior surfaces of the object, comprising the steps of:
- (a) coating at least 50% of the surface area of the object with barcodes, the barcodes are coated on the object over existing markings on the object and comprise a first barcode that is invisible and overlays a second barcode at least partially, the first and second barcodes are readable using a different radiation wavelength relative to each other, each radiation wavelength selected from a spectrum of wavelengths from radio waves to X-rays;
(b) scanning the barcodes with at least one corresponding barcode detector that is detectably compatible with a barcode of the type coated on the object;
(c) determining whether one or more of the barcodes are read by the barcode detector; and
(d) classifying the object as leaking when the first barcode on the object is not read by the corresponding barcode detector.
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Abstract
The invention provides methods for classifying an object by (a) at least partially coating at least one surface of the object with at least one barcode; (b) scanning the barcode with at least one corresponding barcode detector that is detectably compatible with a barcode of the type coated on the object; (c) determining whether the barcode is read by the barcode detector; and (d) classifying the object on the basis of at least one barcode not being read by the corresponding barcode detector.
53 Citations
17 Claims
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1. A method for classifying an object having a surface area that is the total area of the exterior surfaces of the object, comprising the steps of:
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(a) coating at least 50% of the surface area of the object with barcodes, the barcodes are coated on the object over existing markings on the object and comprise a first barcode that is invisible and overlays a second barcode at least partially, the first and second barcodes are readable using a different radiation wavelength relative to each other, each radiation wavelength selected from a spectrum of wavelengths from radio waves to X-rays; (b) scanning the barcodes with at least one corresponding barcode detector that is detectably compatible with a barcode of the type coated on the object; (c) determining whether one or more of the barcodes are read by the barcode detector; and (d) classifying the object as leaking when the first barcode on the object is not read by the corresponding barcode detector. - View Dependent Claims (2, 5)
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3. A method for classifying an object from a plurality of objects, each of the plurality of objects having a surface area that is the total area of the exterior surfaces of the object, comprising the steps of:
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(a) coating at least 50% of the surface area of each object of the plurality of objects with barcodes, the barcodes are coated on each object over existing markings on the object and comprise a first barcode that is invisible and overlays a second barcode at least partially, the first and second barcodes are readable using a different radiation relative to each other, each radiation wavelength selected from a spectrum of wavelengths from radio waves to X-rays; (b) scanning the barcodes on each object of the plurality of objects with at least one corresponding barcode detector that is detectably compatible with a barcode of the type coated on the object; (c) determining whether one or more of the barcodes are read by the barcode detector; and (d) classifying the object as leaking when the first barcode on the object is not read by the corresponding barcode detector. - View Dependent Claims (4, 6, 7, 8, 9, 10, 11, 12)
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13. A device for classifying an object from a plurality of objects, each of the plurality of objects having a surface area that is the total area of the exterior surfaces of the object, the device comprising:
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(a) a continuous production line for the plurality of objects; (b) barcode detectors attached to the continuous production line such that radiation from the barcode detectors is incident on at least one invisible barcode coated on at least 50% of the surface area of the object of the plurality of objects on the continuous production line, the barcode detectors comprise a first barcode detector and a second barcode detector that use a different radiation wavelength relative to each other, each radiation wavelength selected from a spectrum of wavelengths from radio waves to X-rays; (c) a component that classifies the object as leaking when the first barcode on the object is not read by the corresponding barcode detector; and (d) at least one of the following components; (i) a remover component configured to remove the object that is classified as leaking; (ii) an inspection component configured to inspect the object that is classified as leaking, for identifying a defect; (iii) a discarding component configured to discard the object of item (ii); (iv) a reprocessing component configured to reprocess the object of item (ii) into the continuous production line; and (v) a reinserting component configured to reinsert the object of item (ii) into the continuous production line. - View Dependent Claims (14, 15, 16, 17)
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Specification