Patent application number | Description | Published |
20080307590 | Autonomous Floor-Cleaning Robot - An autonomous floor-cleaning robot comprising a housing infrastructure including a chassis, a power subsystem; for providing the energy to power the autonomous floor-cleaning robot, a motive subsystem operative to propel the autonomous floor-cleaning robot for cleaning operations, a command and control subsystem operative to control the autonomous floor-cleaning robot to effect cleaning operations, and a self-adjusting cleaning head subsystem that includes a deck mounted in pivotal combination with the chassis, a brush assembly mounted in combination with the deck and powered by the motive subsystem to sweep up particulates during cleaning operations, a vacuum assembly disposed in combination with the deck and powered by the motive subsystem to ingest particulates during cleaning operations, and a deck adjusting subassembly mounted in combination with the motive subsystem for the brush assembly, the deck, and the chassis that is automatically operative in response to an increase in brush torque in said brush assembly to pivot the deck with respect to said chassis. The autonomous floor-cleaning robot also includes a side brush assembly mounted in combination with the chassis and powered by the motive subsystem to entrain particulates outside the periphery of the housing infrastructure and to direct such particulates towards the self-adjusting cleaning head subsystem. | 12-18-2008 |
20100257690 | AUTONOMOUS FLOOR-CLEANING ROBOT - A floor cleaning robot includes a housing having an underside, a substantially semi-circular front portion, and a substantially semi-circular rear portion. A displaceable bumper of a substantially semi-circular leading edge is located along a front portion of the housing. A leading wheel is mounted on the underside of the housing located adjacent to a mid-point of the semi-circular leading edge, and a battery pack cover is positioned rearwardly of the leading wheel and covers a battery pack that supplies power to the robot. At least two drive wheels are positioned rearwardly of the leading wheel, and at least one main brush is positioned rearwardly of the at least two drive wheels and is configured to rotate about an axis substantially parallel to the underside. The floor cleaning robot also includes at least one side brush having at least two arms extending outwardly from a central hub located in a recess in the underside of the housing, the at least one side brush being attached to the hub such that rotation of the hub causes the brush to direct debris from a floor surface beyond the semi-circular leading edge of the robot housing for collection by the robot. An ejectable dust bin is provided that has a surface forming at least a portion of a semi-circular trailing edge of the housing. | 10-14-2010 |
20100257691 | AUTONOMOUS FLOOR-CLEANING ROBOT - A robot includes a robot housing having a substantially arcuate forward portion and a motor drive housed by the robot housing and configured to maneuver the robot on a floor surface. At least two independently driven drive wheels are moveably attached to the robot housing and biased toward the floor surface, each of the drive wheels being moveable downwardly in response to the each of the drive wheels moving over a cliff in the floor surface. A plurality of cliff sensors are disposed adjacent a forward edge of the robot housing and spaced from each other, each cliff sensor including an emitter and a detector aimed toward the floor surface and configured to receive emitter emissions reflected off of the floor surface, each cliff sensor being responsive to a cliff in the floor surface and configured to send a signal when a cliff in the floor surface is detected. The robot also includes a wheel drop sensor in communication with each drive wheel that senses when a drive wheel moves downwardly and sends a signal indicating downward movement of the pivoted drive wheel. A controller is in communication with the cliff sensors, each of the wheel drop sensors, and the motor drive to redirect the robot when a cliff in the floor surface is detected. | 10-14-2010 |
20100263158 | AUTONOMOUS FLOOR-CLEANING ROBOT - A floor-cleaning robot includes a wheeled housing having a perimeter, a motor drive operably connected to wheels of the housing to move the robot across a floor surface, and a bumper responsive to obstacles encountered by the robot. A controller is in electrical communication with both the bumper and the motor drive and is configured to control the motor drive to maneuver the robot to avoid detected obstacles across the floor surface during a floor-cleaning operation. A driven cleaning brush, rotatable about an axis substantially parallel to an underside of the housing, is disposed substantially across a central region of the underside and is positioned to brush the floor surface as the robot is moved across the floor surface. Additionally, a driven side brush extending beyond the perimeter is positioned to brush floor surface debris from beyond the perimeter toward a projected path of the driven cleaning brush. | 10-21-2010 |
20110131741 | Autonomous Floor-Cleaning Robot - An autonomous floor-cleaning robot comprising a housing infrastructure including a chassis, a power subsystem; for providing the energy to power the autonomous floor-cleaning robot, a motive subsystem operative to propel the autonomous floor-cleaning robot for cleaning operations, a command and control subsystem operative to control the autonomous floor-cleaning robot to effect cleaning operations, and a self-adjusting cleaning head subsystem that includes a deck mounted in pivotal combination with the chassis, a brush assembly mounted in combination with the deck and powered by the motive subsystem to sweep up particulates during cleaning operations, a vacuum assembly disposed in combination with the deck and powered by the motive subsystem to ingest particulates during cleaning operations, and a deck adjusting subassembly mounted in combination with the motive subsystem for the brush assembly, the deck, and the chassis that is automatically operative in response to an increase in brush torque in said brush assembly to pivot the deck with respect to said chassis. The autonomous floor-cleaning robot also includes a side brush assembly mounted in combination with the chassis and powered by the motive subsystem to entrain particulates outside the periphery of the housing infrastructure and to direct such particulates towards the self-adjusting cleaning head subsystem. | 06-09-2011 |
20130174371 | AUTONOMOUS FLOOR-CLEANING ROBOT - A floor cleaning robot comprises a housing, wheels, and a motor driving the wheels to move the robot across a floor, a control module disposed within the housing and directing movement of the robot across the floor, a sensor for detecting and communicating obstacle information to the control module so that the control module can cause the robot to react to the obstacle, a removable bin disposed at least partially within the housing and receiving particulates, a first rotating member directing particulates toward the bin, and a second rotating member cooperating with the first rotating member to direct particulates toward the bin. The removable bin receives particulates directed thereto by the first and second rotating members and the particulates pass from the first rotating member to the removable bin without passing through a filter. | 07-11-2013 |
20140250613 | AUTONOMOUS FLOOR-CLEANING ROBOT - An autonomous floor-cleaning robot comprising a housing infrastructure including a chassis, a power subsystem; for providing the energy to power the autonomous floor-cleaning robot, a motive subsystem operative to propel the autonomous floor-cleaning robot for cleaning operations, a command and control subsystem operative to control the autonomous floor-cleaning robot to effect cleaning operations, and a self-adjusting cleaning head subsystem that includes a deck mounted in pivotal combination with the chassis, a brush assembly mounted in combination with the deck and powered by the motive subsystem to sweep up particulates during cleaning operations, a vacuum assembly disposed in combination with the deck and powered by the motive subsystem to ingest particulates during cleaning operations, and a deck adjusting subassembly mounted in combination with the motive subsystem for the brush assembly, the deck, and the chassis that is automatically operative in response to an increase in brush torque in said brush assembly to pivot the deck with respect to said chassis. The autonomous floor-cleaning robot also includes a side brush assembly mounted in combination with the chassis and powered by the motive subsystem to entrain particulates outside the periphery of the housing infrastructure and to direct such particulates towards the self-adjusting cleaning head subsystem. | 09-11-2014 |
Patent application number | Description | Published |
20080199712 | Sprayable Low Volatility In-Mold Gel Coat Compositions - A thermosettable in-mold exterior gel coat composition exhibiting low or no volatile organic content for use with molded plastic substrates, includes fiber reinforced substrates. The gel coat composition is composed of an ethynically unsaturated polyester resin and utilizes as a co-polymerizable reactive diluent therein an acrylate or methacrylate ester component having from 2 to 4 carbon atom alkyl substituent radicals depending thereon, coupled with a 5 to 10 carbon-atom-containing mono or dicyclic alkyl or alkenyl ester radical, and carrying in turn one or more optional alkyl substituents of from about 1 to 3 carbon atoms. In a process for the application of the exterior gel coat to molded plastic substrates, including fiber reinforced substrates, the substrate is applied to said gel coat while it is in a tacky state of only partial cure so as to achieve a bonding between the substrate and the gel coat. | 08-21-2008 |
20080295950 | Open Grid Fabric Resin Infusion Media and Reinforcing Composite Lamina - An open grid fabric resin infusion medium and reinforcing composite lamina used in the manufacture of fiber reinforced polymer resin composites. The use of the open grid fabric as at least one of a composite lamina provides significant improvements in both the resin infusion rate and resin distribution uniformity throughout the laminate. | 12-04-2008 |
20140017482 | Glassy Metal Fiber Laminate - A laminate and a method of forming the laminate, including a fiber reinforced polymer layer and a glassy metal foil layer. The fiber reinforced polymer layer comprises fibers present in a polymer matrix. The glassy metal foil layer comprises an iron based glass forming alloy including nickel, boron, silicon and optionally chromium and exhibits spinodal glass matrix microconstituents including a glass matrix and a semicrystalline/crystalline phase. | 01-16-2014 |
20140190594 | Classes of Steels for Tubular Products - The present disclosure is directed and formulations and methods to provide alloys having relative high strength and ductility. The alloys may be provided in seamless tubular form and characterized by their particular alloy chemistries and identifiable crystalline grain size morphology. The alloys are such that they include boride pinning phases. In what is termed a Class 1 Steel the alloys indicate tensile strengths of 700 MPa to 1400 MPa and elongations of 10-70%. Class 2 Steel indicates tensile strengths of 800 MPa to 1800 MPa and elongations of 5-65%. Class 3 Steel indicates tensile strengths of 1000 MPa to 2000 MPa and elongations of 0.5-15%. | 07-10-2014 |
Patent application number | Description | Published |
20130073976 | Capturing Structured Data About Previous Events from Users of a Social Networking System - The invention provides a display interface in a social networking system that enables the presentation of information related to a user in a timeline or map view. The system accesses information about a user of a social networking system, including both data about the user and social network activities related to the user. The system then selects one or more of these pieces of data and/or activities from a certain time period and gathers them into timeline units based on their relatedness and their relevance to users. These timeline units are ranked by relevance to the user, and are used to generate a timeline or map view for the user containing visual representations of the timeline units organized by location or time. The timeline or map view is then provided to other users of the social networking system that wish to view information about the user. | 03-21-2013 |
20130073995 | Selecting Social Networking System User Information for Display Via a Timeline Interface - The invention provides a display interface in a social networking system that enables the presentation of information related to a user in a timeline or map view. The system accesses information about a user of a social networking system, including both data about the user and social network activities related to the user. The system then selects one or more of these pieces of data and/or activities from a certain time period and gathers them into timeline units based on their relatedness and their relevance to users. These timeline units are ranked by relevance to the user, and are used to generate a timeline or map view for the user containing visual representations of the timeline units organized by location or time. The timeline or map view is then provided to other users of the social networking system that wish to view information about the user. | 03-21-2013 |
20140056512 | SYSTEMS AND METHODS FOR LOSSY COMPRESSION OF IMAGE COLOR PROFILES - Techniques for accurate color representation of images stored within a social networking system. In an embodiment, an error metric and a target error threshold are determined. A binary search algorithm and a simulated annealing algorithm are performed. A color profile for transforming an image in a first color space to a second color space is created based on the binary search algorithm, the simulated annealing algorithm, the error metric, and the target error threshold. Determination of the error metric may comprise determining a frequency with which a color occurs in the image, assigning a weight to the color based on the frequency, and calculating the error metric based on the weight. Determination of the error metric may comprise dividing the image into a plurality of sections, assigning a plurality of importance values to the plurality of sections, and calculating the error metric based on the plurality of importance values. | 02-27-2014 |
20140129616 | SYSTEMS AND METHODS FOR DEVICE-DEPENDENT IMAGE TRANSFORMATIONS - Techniques to allow for optimizing an image based on an operational context. An operational context including at least one attribute of a client associated with a user of a social networking system is determined. An optimized image is created based on the operational context for provision to the user. The determining the operational context may comprise receiving a client identifier and determining the at least one attribute of the client based on the client identifier. The determining the operational context may comprise receiving location coordinates and determining quality of a data connection based on the location coordinates. The determining the operational context may comprise determining at least one usage trend in at least one geographic locality. The optimized image is provided to an image repository associated with the at least one geographic locality. The operational context may comprise at least one user-defined setting. | 05-08-2014 |
20140214737 | Selecting Social Networking System User Information for Display Via a Timeline Interface - The invention provides a display interface in a social networking system that enables the presentation of information related to a user in a timeline or map view. The system accesses information about a user of a social networking system, including both data about the user and social network activities related to the user. The system then selects one or more of these pieces of data and/or activities from a certain time period and gathers them into timeline units based on their relatedness and their relevance to users. These timeline units are ranked by relevance to the user, and are used to generate a timeline or map view for the user containing visual representations of the timeline units organized by location or time. The timeline or map view is then provided to other users of the social networking system that wish to view information about the user. | 07-31-2014 |
20140324797 | Displaying Social Networking System User Information Via a Historical Newsfeed - The invention provides a display interface in a social networking system that enables the presentation of information related to a user in a timeline or map view. The system accesses information about a user of a social networking system, including both data about the user and social network activities related to the user. The system then selects one or more of these pieces of data and/or activities from a certain time period and gathers them into timeline units based on their relatedness and their relevance to users. These timeline units are ranked by relevance to the user, and are used to generate a timeline or map view for the user containing visual representations of the timeline units organized by location or time. The timeline or map view is then provided to other users of the social networking system that wish to view information about the user. | 10-30-2014 |
20150026264 | Capturing Structured Data About Previous Events from Users of a Social Networking System - The invention provides a display interface in a social networking system that enables the presentation of information related to a user in a timeline or map view. The system accesses information about a user of a social networking system, including both data about the user and social network activities related to the user. The system then selects one or more of these pieces of data and/or activities from a certain time period and gathers them into timeline units based on their relatedness and their relevance to users. These timeline units are ranked by relevance to the user, and are used to generate a timeline or map view for the user containing visual representations of the timeline units organized by location or time. The timeline or map view is then provided to other users of the social networking system that wish to view information about the user. | 01-22-2015 |