Systems and methods for detecting missing labels
First Claim
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1. A missing label detection system, the system comprising:
- a portable scanning device, the portable scanning device comprising;
a reader configured to read machine-readable elements and output identifiers encoded in the machine-readable elements;
an accelerometer configured to sense acceleration of the portable scanning device and output acceleration data corresponding to the sensed acceleration;
a memory to store the identifiers and the acceleration data; and
a controller operatively coupled to the reader, the accelerometer, and the memory, the controller configured to (i) control the reader to read a first one of the machine-readable elements disposed at a first location, (ii) control the reader to read a second one of the machine-readable elements disposed at a second location, and (iii) determines a cumulative change in the acceleration data from the first location to the second location as a result of movement of the portable scanning device from the first location to the second location and in response to the reading of the second one of the machine-readable elements; and
a computing system in communication with the portable scanning device,wherein the computing system is programmed to determine whether the second one of the machine-readable elements is located at a designated location based on the cumulative change in the acceleration data from the first location to the second location.
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Abstract
Described in detail herein are methods and systems for detecting missing or miss positioned labels. The system can include a portable scanning device to scan machine-readable elements included on labels at a first and second location. The portable scanning device can detect the acceleration and the cumulative change between the first and second location. The portable scanning device or a computing system can determine the distance between the first and second location based on the acceleration data. The computing system can place a data point on a map of an estimated location of the location of the first scan and the location of the second scan.
17 Citations
19 Claims
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1. A missing label detection system, the system comprising:
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a portable scanning device, the portable scanning device comprising; a reader configured to read machine-readable elements and output identifiers encoded in the machine-readable elements; an accelerometer configured to sense acceleration of the portable scanning device and output acceleration data corresponding to the sensed acceleration; a memory to store the identifiers and the acceleration data; and a controller operatively coupled to the reader, the accelerometer, and the memory, the controller configured to (i) control the reader to read a first one of the machine-readable elements disposed at a first location, (ii) control the reader to read a second one of the machine-readable elements disposed at a second location, and (iii) determines a cumulative change in the acceleration data from the first location to the second location as a result of movement of the portable scanning device from the first location to the second location and in response to the reading of the second one of the machine-readable elements; and a computing system in communication with the portable scanning device, wherein the computing system is programmed to determine whether the second one of the machine-readable elements is located at a designated location based on the cumulative change in the acceleration data from the first location to the second location. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A missing label detection method, the method comprising:
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controlling, a reader of a portable scanning device to read a first machine-readable element disposed at a first location; controlling the reader to read a second machine-readable element disposed at a second location; determining a cumulative change in acceleration data from the first location to the second location based on an output accelerometer of the portable scanning device as a result of movement of the portable scanning device from the first location to the second location and in response to the reading of the second one of the machine-readable elements; and determining whether the second machine-readable element is located at a designated location based on the cumulative change in acceleration data from the first location to the second location. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. A missing label detection system, the system comprising:
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a portable scanning device, the portable scanning device comprising; a reader configured to read machine-readable elements and output identifiers encoded in the machine-readable elements; an accelerometer configured to sense acceleration of the portable scanning device and output acceleration data corresponding to the sensed acceleration; a memory to store the identifiers and the acceleration data; and a controller operatively coupled to the reader, the accelerometer, and the memory, the controller configured to (i) control the reader to read a first one of the machine-readable elements disposed at a first location, (ii) control the reader to read a second one of the machine-readable elements disposed at a second location, and (iii) determines a cumulative change in the acceleration data from the first location to the second location as a result of movement of the portable scanning device from the first location to the second location and in response to the reading of the second one of the machine-readable elements; a computing system in communication with the portable scanning device, wherein the computing system is programmed to; plot a first data point corresponding to the first location in a three-dimensional space; plot a second data point corresponding to the second location in the three-dimensional space; form a three-dimensional mapping of the first and second locations using the first and second data points; wherein the computing system is programmed to determine whether the second one of the machine-readable elements is located at a designated location based on a difference between a relative distance between the first data point and the second data point in the three-dimensional mapping and an expected distance between the first and second locations.
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Specification