Abstract: This disclosure describes a system for managing inventory as it transitions into a materials handling facility, as it transitions between locations within a materials handling facility and/or as it transitions out of a materials handling facility. In some instances, a user (e.g., picker or picking agent) may retrieve an item from an inventory location and place the item into a tote. The systems described herein detect the item when it is added to or removed from the tote.

Abstract: Described are systems for a materials handling facility to emit air from a floor which is used to generate an air cushion upon which one or more totes may move. The floor may contain one or more apertures which receive air from an air reservoir which is supplied by an air source such as a compressor. Air emitted by these apertures is constrained by a deck of the tote, forming an air cushion upon which the tote rests. In some implementations the air cushion may be maintained while a user is within a threshold distance, and discontinued when the user is beyond the threshold distance.

Abstract: Described are systems and techniques configured to present information to a user of a materials handling facility that stores items in inventory locations. Some or all of the information may be designated as confidential or have restrictions on presentation to reduce or eliminate dissemination of the confidential information to unauthorized users. A device such as a display carried by the user, mounted on a tote or shelf, and so forth may present the confidential information on a user interface. Presentation of the confidential information, acceptance of user inputs to the user interface, or both may be based on identification of an authorized user, a relative position between the user and the display, or other factors.

Abstract: This disclosure describes a system for associating multiple totes with a single profile so that items placed into any of the multiple totes are identified on a profile item identifier list. For example, if two users located in a materials handling facility are picking items that are to be consolidated or otherwise treated together, each user may select a different tote and move separately through the materials handling facility. As either user picks items and places those items into a corresponding tote, a profile item identifier list is updated to include an item identifier for each picked item.

Abstract: Described is an interactive data processing system configured to facilitate selection by a human associate of tentative values generated by an automated system from sensor data. In one implementation, an event may take place in a materials handling facility. The event may comprise a pick or place of an item from an inventory location, movement of a user, and so forth. The sensor data associated with the event is processed by an automated system to determine tentative values associated with the event. In some situations, an uncertainty may exist as to which of the tentative values accurately reflects the actual event. The sensor data and tentative values may be provided to a human associate. The associate may select one of the tentative values. The selected tentative value and the sensor data may be used to train the automated system.

Abstract: Described are systems and techniques configured to test sensors in a materials handling facility. In one implementation, an age of a user in the facility and a predicted path through the facility may be determined. Physical access controls may be initiated at inventory locations along the predicted path and adjacent to the user. The physical access controls may include deployment of physical barriers, activation of locks, and so forth. As another user who is permitted access approaches a particular inventory location, the physical access controls may be deactivated.

Abstract: Described is a system and method for routing output information to one or more of a plurality of output devices. In one implementation, output information that includes information to be presented and a location information identifying where the output information is to be presented may be generated by an output host. The output information is received by an output router that determines, based on the location information, an output device and routes the output information to the output device for presentation.

Abstract: Described is a system and method for propagating and synchronizing the presentation of user specific information across multiple output devices. In some implementations, a location of a user is determined and user specific information is provided to a plurality of output device controllers configured to control output devices at the determined location. Control instructions are also provided instructing the output device controllers to store, render, present and/or remove the user specific information.

Abstract: This disclosure describes interactive data processing systems configured to facilitate selection by a human associate of tentative results generated by an automated system from sensor data. In one implementation, an event may take place in a materials handling facility. The event may comprise a pick or place of an item from an inventory location, movement of a user, and so forth. The sensor data associated with the event is processed by an automated system to determine tentative results associated with the event. In some situations, an uncertainty may exist as to which of the tentative results accurately reflects the actual event. The system may then determine whether the event is to be merged with one or more temporally and spatially proximate events and, if so, the sensor data and tentative results for the merged event is sent to a human associate. The associate may select one of the tentative results.

Abstract: Described is a system and method for propagating, synchronizing and expiring user specific information among multiple output devices. In some implementations, retention information is provided along with the user specific information and the output device and/or output device controller will determine when to expire the user specific information based on the retention information. In other implementations, the output device controller and/or output device may periodically request updates from other output devices, output device controllers and/or the inventory management system to determine whether to expire user specific information.

Abstract: This disclosure describes a system for tracking removal or placement of items at inventory locations with a materials handling facility. In some instances, a user may remove an item from an inventory location and the inventory management system may detect that removal and update a user item list associated with the user to include an item identifier representative of the removed item. Likewise, if the user places an item at an inventory location, the inventory management system may detect that placement and update the user item list to remove an item identifier representative of the placed item.

Abstract: Described are systems and techniques configured to determine and present information to a user of a materials handling facility. As the user moves through the facility, information is dynamically presented to the user on one or more displays using a user interface. The user interface may be presented on the display as the user approaches, and presentation may cease as the user moves away. The amount of information, size of elements presented on the display, and so forth may be based on kinematic data about the user. The kinematic data may include position, speed, orientation, and so forth.

Abstract: Described are systems and techniques configured to present information to a user of a materials handling facility storing items in inventory locations. A device such as a head-mounted display or a tablet computer is configured to provide an augmented reality user interface in which computer-generated data overlays objects in the real-world. The user interface may present information associated with assisting other users of the facility, operation of the facility, and so forth.

Abstract: Described are systems and techniques configured to determine and present information to a user of a materials handling facility. As the user moves through the facility, information is dynamically presented to the user on one or more displays using a user interface. The user interface may be presented on the display as the user approaches, and presentation may cease as the user moves away. The amount of information, size of elements presented on the display, and so forth may be based on kinematic data about the user. The kinematic data may include position, speed, orientation, and so forth.

Abstract: This disclosure describes a system for tracking removal or placement of items at inventory locations with a materials handling facility. In some instances, a user may remove an item from an inventory location and the inventory management system may detect that removal and update a user item list associated with the user to include an item identifier representative of the removed item. Likewise, if the user places an item at an inventory location, the inventory management system may detect that placement and update the user item list to remove an item identifier representative of the placed item.

Abstract: This disclosure describes the establishment, use and adjustment of timeout durations for individual RFID tags. Each RFID tag within an inventory system has a timeout duration that is based at least in part on a time duration between receipts of a RFID tag identifier associated with the RFID tag.

Abstract: This disclosure describes a system for tracking removal or placement of items at inventory locations with a materials handling facility. In some instances, a user may remove an item from an inventory location and the inventory management system may detect that removal and update a user item list associated with the user to include an item identifier representative of the removed item. Likewise, if the user places an item at an inventory location, the inventory management system may detect that placement and update the user item list to remove an item identifier representative of the placed item.

Abstract: This disclosure describes a system for managing inventory as it transitions into a materials handling facility, as it transitions between locations within a materials handling facility and/or as it transitions out of a materials handling facility. In some instances, a user (e.g., picker or picking agent) may retrieve an item from an inventory location and place the item into a tote. The systems described herein detect the item when it is added to or removed from the tote.

Abstract: This disclosure describes a system for managing inventory as it transitions into a materials handling facility, as it transitions between locations within a materials handling facility and/or as it transitions out of a materials handling facility. In some instances, a user (e.g., picker or picking agent) may retrieve an item from an inventory location and place the item into a tote. The systems described herein detect the item when it is added to or removed from the tote.

Abstract: This disclosure describes a system for managing inventory as it transitions into a materials handling facility, as it transitions between locations within a materials handling facility and/or as it transitions out of a materials handling facility. In some instances, a user (e.g., picker or picking agent) may retrieve an item from an inventory location and place the item into a tote. The systems described herein detect the item when it is added to or removed from the tote.