Abstract: Systems and methods for preventing slippage and rotation of components installed along a rotatable tubular shaft and/or in a tubular housing member during drilling operations are disclosed herein. The housing and/or rotatable shaft include a shoulder disposed proximate to one end. An adjustable member is secured proximate to the opposite end. One or more components are installed, covering a first portion of the surface between the adjustable member and shoulder. One or more spacing members are installed to cover substantially all of the remaining surface. The adjustable member is tightened such that the adjustable member and the shoulder apply a compressive axial load to the components and spacing members, causing frictional forces between adjacent objects greater than the torque acting on the housing and/or tubular shaft, causing each component to remain stationary with respect to the surface to which it is secured.

Abstract: A head up display signal processing system is disclosed. The system comprises an image projector for projecting an image onto a screen, the screen being partially reflective and partially transmissive. The system is operable to provide a separate optical element at a plurality of locations upon the screen, wherein each element comprises an optical phase representative of the location of the element upon the screen, such that the combination of optical elements is arranged to produce an optical hologram upon the screen.

Abstract: A head up display apparatus is disclosed for projecting an image upon a screen. The apparatus comprises a signal processing system, comprising an image projector for projecting an image to a partially reflective screen, the screen being configured substantially in front of an eye of a user of the display apparatus. The apparatus further comprises a beam steering arrangement for steering the projected image substantially at an exit pupil of the system, upon the screen, and a pupil tracking arrangement for tracking a pupil of the users eye such that the projected image remains directed at the pupil of the user as the user adjusts their line of sight.

Abstract: A Folding shopping trolley [1] having an upper section [11] and a base section [2] adapted to move between a collapsed condition into a deployed condition is disclosed. The upper section [11] connects to the base section [2] via elongate support members [20] through an intermediate coupling [10] such that the upper section [11] and base section [2] can move in a synchronized condition between deployed and collapsed conditions. The base section [2] comprises ground engaging wheels [47 and 48] fixed to the lower end of the elongate support member [20]. The lower end of the elongate support members [20] are pivotly connected to the lower end [9] of the actuator [7] via the inner connecting members [6] forming a geometric arrangement with the outer connecting members [5] wherein vertical movement of the actuator [7] moves the trolley from the collapsed condition to the deployed condition. The outer connecting members [5] include a locking mechanism [30] to lock the trolley [1] in the deployed position.

Abstract: A mobile information technology infrastructure system, including: a server; a broadband network aggregator coupled to the server; at least one wireless communication device coupled to the broadband network aggregator; and a mobile enclosure configured to include the server, the broadband network aggregator, and at least one wireless communication device, wherein the server, the broadband network aggregator, and at least one wireless communication device are aggregated to combine the bandwidth of at least one wireless communication device and to generate information technology services with a single wireless backhaul channel.

Abstract: Systems and methods for preventing slippage and rotation of components installed along a rotatable tubular shaft and/or in a tubular housing member during drilling operations are disclosed herein. The housing and/or rotatable shaft include a shoulder disposed proximate to one end. An adjustable member is secured proximate to the opposite end. One or more components are installed, covering a first portion of the surface between the adjustable member and shoulder. One or more spacing members are installed to cover substantially all of the remaining surface. The adjustable member is tightened such that the adjustable member and the shoulder apply a compressive axial load to the components and spacing members, causing frictional forces between adjacent objects greater than the torque acting on the housing and/or tubular shaft, causing each component to remain stationary with respect to the surface to which it is secured.

Abstract: A method for authenticating a workflow that has one or more designated steps that require authentication of associated resources, the method comprising: using a reader instrument to read at least one security feature uniquely associated resources involved in the workflow; authenticating the security feature, thereby to authenticate its associated resource, and recording authentication information for each designated workflow step.

Abstract: Systems and methods for preventing slippage and rotation of components installed in a tubular housing member and/or along a rotatable tubular shaft during drilling operations are disclosed herein. The housing and/or rotatable shaft include a shoulder disposed proximate to one end. An adjustable member is secured proximate to the opposite end. One or more components are installed, covering a first portion of the surface between the adjustable member and shoulder. One or more spacing members are installed to cover substantially all of the remaining surface. The adjustable member is tightened such that the adjustable member and the shoulder apply a compressive axial load to the components and spacing members, causing frictional forces between adjacent objects greater than the torque acting on the housing and/or tubular shaft, causing each component to remain stationary with respect to the surface to which it is secured.

Abstract: A lighted tent apparatus and system. The embodiments described herein typically include an inherent light source, advantageously incorporated into the textile elements of the structure, such as in the seams. In a typical embodiment, light emitting diodes having low power consumption are implemented.

Abstract: A camper trailer or caravan (10) includes a chassis (12) adapted to be attached to, and towed behind a motor vehicle (11). A housing (21) is mounted on the chassis (12) and defines a main chamber including a peripheral wall. The chassis (12) is short in length and about the same width as the towing vehicle (11) with the wheels (19) located adjacent the rear end of the chassis (12), and the housing (21) is adapted be opened such that panels (41) folded inside the housing when in the closed configuration are adapted to form annex chambers (42, 43) when in the open configuration when the camper trailer (10) is being used for camping and the like. A sleeping chamber (23) associated with the main chamber extends outside the peripheral walls of said camper trailer when required. Preferably there is a kitchen chamber and a bedding chamber within the housing of the camper trailer.

Abstract: A camping trailer adapted for towing behind a motor vehicle comprising a body divided into a sleeping portion, a kitchen portion, and a bathroom portion, wherein the bathroom portion is substantially located over a forward “A” shaped towing frame of the trailer.

Abstract: According to the present invention there is provided a process for upgrading an ore or concentrate that contains metal sulphur minerals and gangue material. The process includes the stages of: a) selectively leaching the ore or concentrate using an ammoniacal solution containing ammonium carbonate that forms soluble metal ammine complexes; b) separating the solid and liquid phases formed in stage a) with the liquid phase forming a solution including soluble metal ammine complexes and the solid phase including at least in part the gangue material; c) removing ammonia and carbon dioxide from the liquid phase formed in step b) under conditions so as to selectively precipitate the valuable metal(s); and d) separating the solid and liquid phases formed in stage c) with the solid phase forming a more-concentrated source of valuable metal.

Abstract: A transmissive active channel element is provided in each signal channel of a monolithic multi-channel TxPIC where each channel also includes a modulated source. The active channel element functions both as a power control element for both monitoring and regulating the output channel signal level of each signal channel and as a modulator for channel wavelength tagging or labeling to provide for wavelength locking the modulated sources. The power regulating function is also employed to control the channel signal power outputs of each channel to be uniform across the channel signal array. All of these functions are carried out by a feedback loop utilizing digital signal processing.

Abstract: A bathroom module arrangement for a trailer adapted for towing behind a motor vehicle and for positioning substantially on a forward “A” frame part of a chassis of said trailer.

Abstract: A camping trailer adapted for towing behind a motor vehicle comprising a body divided into a sleeping portion, a kitchen portion, and a bathroom portion, wherein the bathroom portion is substantially located over a forward “A” shaped towing frame of the trailer.

Abstract: A number of variations are provided of a device that provides an amplified single polarization optical signal. Each of these relies on the use of a non-polarization maintaining gain medium through which the signal is directed, and a polarization shifter and reflector that direct the signal back through the same gain medium with a shifted polarization state. An input polarization beamsplitter directs the returning optical signal away to an output, based on its shifted polarization state. The embodiments of the invention include the use of double-clad fiber. Multiple stages may be used to provide specific amplification parameters. In particular, a fiber with a relatively large mode field diameter may be used to enable high pulse power applications. Wavelength selective components are used in certain embodiments of the invention, to allow for wavelength selectivity, as well as a single polarization state, in amplifiers, lasers and amplified spontaneous emission (ASE).

Abstract: A number of variations are provided of a device that provides an amplified single polarization optical signal. Each of these relies on the use of a non-polarization maintaining gain medium through which the signal is directed, and a polarization shifter and reflector that direct the signal back through the same gain medium with a shifted polarization state. An input polarization beamsplitter directs the returning optical signal away to an output, based on its shifted polarization state. The embodiments of the invention include the use of double-clad fiber. Multiple stages may be used to provide specific amplification parameters. In one embodiment, both amplification stages reside in the same polarization shifting optical path. A polarization maintaining amplifier of this type may be used as part of a master oscillator-power amplifier, in which polarization maintaining fiber is used as part of the source laser.

Abstract: In plant for the production of alkylated resins from an alcohol of boiling point greater than 100.degree. C. at atmospheric pressure, comprising an alkylation reactor, a distillation column, a condenser, and a separator, structure is provided to ensure that contact between descending alcohol-rich liquid phase and the vapor stream of alcohol and water ascending from the reactor is confined essentially to the walls of the column.

Abstract: A bumper hitch for quick and firm connection to the bumper of a variety of vehicles is particularly adapted for connection to the front bumper to allow manuevering or parking of a boat trailer, for example with direct observation by the driver. The hitch includes a vertical member formed of slightly spaced yet connected angles. One leg of the top of each angle is bent horizontally to form a hook to engage the top of the bumper with the other leg of the angle being cut away above the bend. A bottom anchor includes an upturned angle to engage the bottom of the bumper, such angle being secured to a threaded stud extending through the slot so that the bottom anchor may be drawn tight. The interior of the hitch includes a height adjustable wooden pad to protect the bumper finishing. The exterior includes a welded horizontal projection supporting a ball trailer hitch.