Abstract:
Various embodiments manage a virtual sports event interactive environment. In one embodiment, at least one virtual representation of a user is generated for a virtual sports event interactive environment. The virtual representation includes at least one facial feature of the user. At least one user area is generated in the virtual sports event interactive environment. The user area is personalized by the user and comprises one or more virtual representations of sponsored products. A virtual representation of an event commissioner is displayed in the virtual sports event interactive environment. A list of available real-world players is displayed in the user area. A selection of at least one of the list of available players is received from the user. The list of available players is automatically updated based on the selection. A player roster displayed in the user area is automatically updated based on the selection.
Abstract:
A variable stiffness mechanism (1000) includes: a cantilever arm (1010) with one end (1005) rotatably attachable to a sprung mass (1020), the cantilever arm including a receiving location (1030) attachable to an unsprung mass (1035); a linear spring (1040) having an upper end (1045) attachable to a point of attachment (1050) on the sprung mass and having a lower end (1046) that engages the cantilever arm; and a device (1060), attachable to the sprung mass, for relocating a position on the sprung mass of the point of attachment of the upper end of the linear spring. A stiffness of the variable stiffness mechanism depends on the position on the sprung mass of the point of attachment of the upper end of the linear spring.
Abstract:
A patient safety system (PSS) (100) uses optical tracking in a linear accelerator treatment room to prevent gross setup errors. A patient (150) undergoes a computed tomography (CT) treatment-simulation scan while a CT ball bearing (BB) is on patient's surface. The CT BB is replaced with an infrared reflective marker (IRRM) (160) before radiotherapy treatment starts. Coordinates of the CT BB relative to an isocenter of the treatment room are used as reference for tracking. The coordinate system of an optical tracking system is converted to a coordinate system of the treatment room. The PSS evaluates setup accuracy for a radiotherapy session by comparing real-time position of the single IRRM determined by the optical tracking technology with a predicted reference position, and displays results on a graphical user interface. The PSS stops radiation when a deviation between real-time coordinates and predicted coordinates of the IRRM (160) exceeds a predefined threshold.
Abstract:
Disclosed is a novel "cajon" or box percussion instrument. A cuboid or rectangular shaped percussion instrument has six sides. It usually consists of five (5) panels of equal thickness with at least one panel of a thinner more flexible sixth panel which vibrates when percussed. One or more chambers and interior porting system are included in improve tonal quality. One or more external port openings, usually rectangular in shape, are formed in the unit to permit sound to emanate. Different external port geometries including shapes and sizes are contemplated. Encompassed in a single unit, the chamber delivers distinct independent tones. In some models, an interior resonating baffle and reflective block have been introduced to direct sound waves and air flow out of the exterior port opening creating a greater larger frequency range and greater amplification. In one example multiple independent chambers and interior porting system are included to improve the tonal quality.
Abstract:
A variable stiffness mechanism (301, 801, 1301, 1801) includes a cantilever arm (310) having a first end (313) rotatably attachable to a sprung mass (304), and having a second end (314) attachable to an unsprung mass (303); a variable strut (320) having a top (321) slidably attached to a bracket (330) and having a bottom (322) slidably attached the cantilever arm, wherein the bracket is attachable to the sprung mass; and at least one device (340) for relocating orientation of the variable strut. The variable stiffness mechanism has an effective spring constant between the sprung mass and the unsprung mass, and wherein the effective spring constant depends on a frequency of excitation of the unsprung mass. A suspension system (300, 800, 1300, 1800) includes the variable stiffness mechanism in a cooperative arrangement with a conventional spring (302).
Abstract:
A variable suspension mechanism (102) includes an arrangement of two springs (121 and 122), a lever (130) having a receiving location (134) for receiving an external force, and a pivot element (140) slideably coupled to the lever. The variable suspension mechanism includes an actuator (150) for relocating the pivot element causes a fulcrum (136) of the lever to relocate. An effective stiffness of the variable suspension mechanism relative to the external force applied at the receiving location is a rational function that depends on at least spring constants of the two springs and a location of the pivot element relative to the two springs. A suspension system (100) includes the variable suspension mechanism coupled to a conventional spring (106) in a series arrangement.
Abstract:
Various embodiments manage router tables by classifying a set prefixes in a plurality of router table prefixes as a set of leaf prefixes and a remaining set of prefixes in the plurality of router table prefixes as a set of internal prefixes. The set of internal prefixes is stored in a first ternary content addressable memory (TCAM). The set of leaf prefixes is stored in a second TCAM. A corresponding destination hop is stored in a first random access memory (RAM). A corresponding destination hop is stored in a second RAM. A packet with at least one destination address is received. A simultaneous lookup is performed in the first and second TCAMs to retrieve up to two index values using the destination address. A next hop is retrieved from the second RAM in response to the second TCAM returning an index. The packet is then routed to the next hop.
Abstract:
The exemplary embodiments of the present invention provide a high-speed contactless data coupling that is adaptable to use with mechanical rail car couplers. The exemplary embodiments utilize a primarily magnetic field coupling to communicate either baseband data or RF signals through a pair of signal coupling units that do not need to contact either other, which can be easily housed in two heads attached to each of two mechanical rail car couplers.
Abstract:
A high torque dual speed turbine rotor for a lightweight hand held tool for grinding and polishing or for use with a spindle mounted pneumatic machine. The high torque dual speed turbine rotor includes a two-piece shaft with flow control screw disposed within the shaft. The shaft includes a first set of hollow openings, at a first position from one end of the shaft, in fluid communications with a first annular chamber of a rotor. There is also a second set of hollow opening, at a second position from the one end of the shaft, in fluid communications with a second annular chamber of the rotor. The flow control screw moves inside a threaded axial bore of the shaft from an open position inside the axial bore to the closed position corresponding to the second set of hollow openings.