Abstract: A distributed low voltage power system is disclosed herein. The system can include a power source generating line voltage power, and a first line voltage cable having a first line voltage end and a second line voltage end, where the first line voltage end is coupled to the power source. The system can also include a first power distribution module (PDM) comprising a first power transfer device and a first output channel. The system can further include a first LV cable having a first LV end and a second LV end, where the first LV end is coupled to the first output channel of the first PDM. The system can also include at least one first LV device operating on the first LV signal, where the second LV end of the first LV cable is coupled to the at least one first LV device.

Abstract: This disclosure describes a device and system for verifying the content of items in a bin within a materials handling facility. In some implementations, a bin content verification apparatus may pass by one or more bins and capture images of those bins. The images may be processed to determine whether the content included in the bins has changed since the last time images of the bins were captured. A determination may also be made as to whether a change to the bin content was expected and, if so, if the determined change corresponds with the expected change.

Abstract: Systems and methods for isolating audio content and biometric authentication include receiving, with an audio receiver, an audio signal spanning a plurality of frequency bands, identifying a speech signal carried by a voice frequency band selected from the plurality of frequency bands, enhancing the speech signal relative to other audio content within the audio signal, and extracting a voice profile key that uniquely identifies the speech signal.

Abstract: A medical thermometer including a curved mirror and a radiation sensor is disclosed. The radiation sensor is disposed relative to the mirror in a configuration whereby the mirror reflects away from the sensor radiation that passes through the radiation entrance and that is oriented outside a range of angles relative to the mirror, and reflects toward the sensor radiation that passes through the radiation entrance and that is oriented within a range of angles relative to the mirror.

Abstract: Methods and apparatus for secure data modification using segmented hashing are disclosed. An intermediate device on a data path between a storage service and a client receives a modification request for a data segment of a data chunk of a storage object. The device generates a new chunk hash value for the chunk based on an original chunk hash value of the chunk, an original segment hash value of the segment to be modified, and a new segment hash value computed based on the modification. The device generates a modified version of the chunk based on the modification request, and uploads the modified version and the new chunk hash value to the storage service.

Abstract: A vehicle wireless connection system, the system comprising: at least one portable computing device (PCD), wherein the PCD includes: at least one camera, wherein the camera is configured to capture an image of a vehicle indicator on a vehicle to capture a vehicle indicator image; at least one memory including a certification data file having one or more authorization certificates; at least one PCD processor configured to receive the vehicle indicator image and execute a sign-on application, wherein the sign-on application is further configured to: compare the vehicle indicator image with one or more stored images; when the vehicle indicator image is the same as one of the one or more stored images, direct the PCD to connect to the vehicle; and when the authorization certificates are determined valid, connect the PCD to the vehicle at a wireless access point to provide access to some or all vehicle information.

Abstract: Methods and apparatus for uploading data from a sender to a receiver. A data deduplication technique is described that may reduce the bandwidth used in uploading data from the sender to the receiver. In the technique, the receiver, rather than the sender, maintains a fingerprint dictionary for previously uploaded data. When a sender has additional data to be uploaded, the sender extracts fingerprints for units of the data and sends the fingerprints to the receiver. The receiver checks its fingerprint dictionary to determine the data units to be uploaded and notifies the sender of the identified units, which then sends the identified units of data to the receiver. The technique may, for example, be applied in virtualized data store systems to reduce bandwidth usage in uploading data.

Abstract: A method and system for providing synchronous display at a customer mobile device of a vendor point of sale register receipt in the process of being created is disclosed. The method may include, at a customer mobile wireless device, initiating a live register receipt application and authentication process with a live register receipt provider, receiving and forwarding unique vendor register identification information and forwarding that information to the live register receipt provider. In response the customer mobile device receives and displays line item data from the identified vendor register via the provider in real-time. The system may include a customer mobile device configured to implement the live register receipt functionality described and a live register receipt provider configured to communicate live register data from vendor registers and mobile devices.

Abstract: A disk for vertically cutting grass surfaces, the disk includes a center plate mountable to a shaft and a plurality of teeth extending from a circumferential edge of the center plate. Each tooth comprises a base extending from the circumferential edge of the center plate and at least one blade extending from the base at an offset angle. Each blade includes a neck extending from the base at the offset angle, and a tip extending radially outward from the neck relative to a center plane of the center plate such that the tip is offset from the center plane. The tip also extends from the neck at a yaw angle relative to the center plane such that when the disk is rotated about a rotational axis of the shaft a leading edge of the tip rotates in a different rotational plane than a trailing edge of the tip.

Abstract: A multi-level (ML) fulfillment center is designed to accommodate landing and takeoff of unmanned aerial vehicles (UAVs), possibly in an urban setting, such as in a densely populated area. Unlike traditional fulfillment centers, the ML fulfillment centers may include many levels (i.e., stories, floors, etc.) as permitted under zoning regulations for respective areas. The fulfillment center may have one or more landing locations and one or more deployment locations to accommodate UAVs, which may delivery at least some of the items from the fulfillment center to locations associated with customers.

Abstract: The high-intensity specular reflection of light from a surface of an object may create distortions in images of the object, in locations determined based on a perspective of an optical sensor. Multiple images of the object taken from different perspectives may include multiple specular artifacts in different locations, and a composite image of the object that omits such artifacts may be generated based on the multiple images. In particular, pixels of each of the images corresponding to the locations of the specular artifacts and having optimal intensities may be identified. The composite image may be generated based on the pixels having optimal intensities, and by excluding the pixels corresponding to the specular artifacts.

Abstract: A universal testing system platform with a modular and symmetrical design that provides a flexible, efficient and space saving architecture for testing wireless devices is disclosed.

Abstract: A method is provided in certain example embodiments, and may include receiving source timed text data and an associated time stamp, and rendering a representation of the received source timed text data within a textual array. The textual array includes at least one row having textual data associated with the received source timed text data contained therein. The method may further include producing at least one data document including row data associated with one or more rows of the textual array when the textual data of the at least one row has changed from a previously rendered on-screen representation of previously received source timed text data. The row data includes a change in textual data for one or more rows from a previously produced caption data document.

Abstract: An electrical connector system includes a connector and a header. The header includes a substantially T-shaped member having a proximal portion substantially rectangular in shape having a first width and a distal portion substantially rectangular in shape having a second width greater than the first width. A first and a second end portion of the distal portions are substantially T-shaped viewed end on. The first and the second end portions include a plurality of guides and shoulders. The connector includes a substantially rectangular member having a proximal portion having a first thickness and a distal portion having a second thickness less than the first thickness on a bottom side of the substantially rectangular member. The proximal portion includes first and second proximal feet and first and second distal feet. Each foot includes a foot retention shoulder and one or more guides.

Abstract: Described are techniques for storing and retrieving items using a robotic manipulator. Images depicting a human interacting with an item, sensor data from sensors instrumenting the human or item, data regarding physical characteristics of the item, and constraint data relating to the robotic manipulator or the item may be used to generate one or more configurations for the robotic manipulator. The configurations may include points of contact and force vectors for contacting the item using the robotic manipulator.

Abstract: Methods, apparatus, and computer-accessible storage media for providing a volume-based block storage service and application programming interfaces (APIs) to the service. A block storage service and block storage service APIs may allow processes (applications or appliances) on the service client network to leverage remote, volume-based block storage provided by the service provider. The APIs may provide a standard interface to volume-based block storage operations on a remote data store. The service provider, the service clients, and/or third parties may develop various applications and/or appliances that may, for example, be instantiated in service clients' local networks and that leverage the block storage service via the APIs to create and manage volumes and snapshots on the remote data store and to upload and download data from the volumes and snapshots on the remote data store.

Abstract: Information regarding actions or activities to be performed at a workstation may be projected upon a portion of the workstation using one or more projectors. The information may include one or more arrows or other indicators referencing specific tools, materials or objects that may be used to perform one or more of the actions or activities. Such arrows or indicators may be rendered in a manner that simulates a three-dimensional or floating appearance thereof from a perspective of a user that may be adjusted or modified based on changes in the perspective of the user, and with respect to one or more physical or virtual sources of light.

Abstract: A dental prophylaxis angle having a tool head and a hand piece includes an adjustment mechanism, which allows the tool head to be angularly adjusted between a plurality of angular positions relative to the hand piece. The tool head is axially shiftable relative to the hand piece between a locked position and an adjustment position. In the locked position, the tool head is prevented from shifting angularly relative to the hand piece. In the adjustment position, the tool head may be selectively pivoted relative to the hand piece and thereby angularly adjusted. A spring may be provided to urge the tool head into the locked position at one or more of the angular positions.

Abstract: A fluid expander is disclosed as used in conjunction with an air compressor that is driven by a prime mover. The fluid expander is structured to extract useful work from a fluid stream and add that work to the work provided by the prime mover to the compressor. In some embodiments a clutch can be used to decouple the expander from the compressor if insufficient work is developed by the expander. A gear train can also be used to change the rotational speed prior to work being delivered to the compressor.

Abstract: A system for managing the flow of fluids within a closed-loop system includes a pump controller and a variable-speed pump in communication with a conduit circuit including at least one one pressure-independent control valve (PICV). By using PICVs instead of conventional, two-way, two-way, pressure-dependent valves, the pump controller can monitor system needs and adjust the the speed of the variable-speed pump to more efficiently deliver pressure to the system without overshooting flow requirements, leading to less energy consumed and less cost incurred. A method method of variable-speed pumping including the use of PICVs is also disclosed.