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公开(公告)号：US11927472B1
公开(公告)日：2024-03-12
申请号：US16453677
申请日：2019-06-26
Applicant: Amazon Technologies, Inc.
Inventor： Matthew Ray DesJardien , Chelsea Olson , Robert M. Riggs , Dan Beltzer , Paul Eugene Munger , Aaron M. McDaniel , Andrew James Pierce , Michael Mosman , Nathan Pius O'Neill
IPC: G01G19/414 , G06Q30/0283 , H02S40/38
CPC classification number: G01G19/414 , G06Q30/0283 , H02S40/38
Abstract: Modular storage systems include load sensors disposed beneath or in association with platforms. The load sensors are pulse-sampled for signals corresponding to loads at time intervals, rather than continuously, in order to conserve electrical power. An item associated with a transaction is identified based on a change in the loads, as determined from the pulse-sampled signals. The platforms are aligned at horizontal or non-horizontal angles, and photovoltaic power sources with banks of photovoltaic cells are mounted to front edges of the platforms. When a user reaches over one of the photovoltaic cells to access an item on a platform, a level of power or voltage generated by the photovoltaic cell is diminished. The item closest to the photovoltaic cell having the diminished power or voltage, or a customer that accessed the item, may be identified accordingly.
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公开(公告)号：US10520353B1
公开(公告)日：2019-12-31
申请号：US15388427
申请日：2016-12-22
Applicant: AMAZON TECHNOLOGIES, INC.
Inventor： Qicai Shi , Nathan Pius O'Neill
IPC: G01G19/52 , G01G19/414 , G06Q10/08
Abstract: Shelves or other fixtures may be used to hold items at a facility. Load cells at the fixtures may be used to acquire weight data indicative of changes to the fixture as items are added or removed from the fixture. The fixtures, such as a freezer case, may include a door that when opened or closed results in air movement with respect to the shelves. This air movement may produce weight data that is erroneously indicative of a false event, such as a pick or place, even when no actual event has taken place. Weight data from load cells in the shelves may be analyzed to determine a correlation in the data from multiple shelves. If there is a high correlation in the changes to the weight data at multiple shelves, the weight data may be disregarded as being due to air movement.
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Patent Agency Ranking
公开(公告)号：US10198710B1
公开(公告)日：2019-02-05
申请号：US15082903
申请日：2016-03-28
Applicant: AMAZON TECHNOLOGIES, INC.
Inventor： Camerin Cole Hahn , Qicai Shi , Christopher Raymond Grajewski , Vinod Lakhi Hingorani , Nathan Pius O'Neill
IPC: G06Q10/08 , G01G19/414 , G01D5/24
Abstract: Various sensors may be used to gather information about items at an inventory location, such as items on a shelf. Weight sensors may be used to gather weight data while capacitive sensors detect the presence of one or more objects such as the items themselves, a user reaching towards the shelf, and so forth. Data from a capacitive sensor may be used to determine that an activity is taking place at the shelf and to trigger processing of weight data from the weight sensor. A combination of a change in capacitance that exceeds a capacitance threshold and a change in weight that exceeds a weight threshold may be used to determine an event, such as a pick or place from the inventory location.
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公开(公告)号：US10969461B1
公开(公告)日：2021-04-06
申请号：US15614223
申请日：2017-06-05
Applicant: AMAZON TECHNOLOGIES, INC.
Inventor： Nathan Pius O'Neill , Nikolai Orlov , Christopher Raymond Grajewski
Abstract: A facility is equipped with a floor containing one or more of a transmitter to generate electromagnetic signals (EMS) or a receiver to receive EMS. A device such as a tote may include one or more of a transmitters to generate EMS that may then be received by the receiver in the floor or a receiver to receive EMS transmitted by the floor. As the tote moves across the floor, tracking data may be generated using the information obtained from the exchange of EMS. Orientation of the tote with respect to the floor may be determined using an asymmetric arrangement of antennas on the tote, by encoding data within the EMS, or a combination thereof. For example, the tote may include three antennas arranged in a triangular layout, or a front antenna and a back antenna each used to transmit an EMS that is indicative of relative placement of the tote.
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公开(公告)号：US10834547B1
公开(公告)日：2020-11-10
申请号：US15353471
申请日：2016-11-16
Applicant: AMAZON TECHNOLOGIES, INC.
Inventor： Patrick Ian McCleary , Jeremy Samuel De Bonet , James Stephanick , Somasundaram Niranjayan , Nikolai Orlov , Nathan Pius O'Neill , Camerin Cole Hahn
Abstract: A facility is equipped with floor tiles, each tile having several segments, each segment with an antenna. Each segment on a tile is associated with a particular timeslot. A transmitter at the tile transmits on a specific frequency. During the particular timeslot for that segment, a signal at the specific frequency is transmitted and radiated from the antenna for that segment. A user electromagnetically couples to one or more antennas of the tile, acting as a signal path for the signal. A receiver in a second tile detects the signal, and information about the frequency detected, timeslot for the signal, and relative signal strength is generated. Where the user has stepped from is determined using the information. By concatenating these steps, a path of the user may be determined. Receivers in shelves facilitate disambiguation of one user from another when interacting with items.
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公开(公告)号：US10591348B1
公开(公告)日：2020-03-17
申请号：US15388340
申请日：2016-12-22
Applicant: AMAZON TECHNOLOGIES, INC.
Inventor： Qicai Shi , Nathan Pius O'Neill
Abstract: Shelves or other fixtures may be used to hold items at a facility. Load cells at the fixtures may be used to acquire weight data indicative of changes to the fixture as items are added or removed from the fixture. The fixtures, such as a freezer case, may include a door that when opened or closed produces air movement with respect to the shelves. This air movement may produce weight data that could be interpreted as a false event, such as a pick or place, even when none has taken place. A door sensor provides data that is used to determine when the door has been opened or closed. Weight data occurring for some time after the opening of the door or before the closing of the door may be disregarded.
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公开(公告)号：US10520352B1
公开(公告)日：2019-12-31
申请号：US15388528
申请日：2016-12-22
Applicant: AMAZON TECHNOLOGIES, INC.
Inventor： Qicai Shi , Nathan Pius O'Neill
Abstract: Shelves or other fixtures may be used to hold items at a facility. Load cells at the shelf may be used to acquire weight data indicative of changes as items are added or removed from the shelf. The shelves may be part of a fixture that includes a door that results in air movement with respect to the shelves when opened or closed. This air movement may produce weight data that is erroneously indicative of an event, such as a pick or place, even when no actual event has taken place. Weight data from load cells of a shelf may be analyzed to determine a trajectory associated with changes in the weight data over time. A portion of the space may be designated as being associated with invalid weight data. If the trajectory avoids this portion of the space, the weight data may be deemed valid.
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