Abstract: A light source system comprising projection optics, which are capable of producing a far-field image of a light source. The light source comprises a fluorescent medium that when illuminated by light from laser emitters of a first waveband emits light of a second or more wavebands of longer wavelength. The resulting light emission produces a color perceived as white. The light source is illuminated by a plurality of laser emitters arranged to illuminate the light source in an array-like manner. Control of the output of one or more of the laser emitters results in a variation of the spatial emission distribution from the light source and hence a variation of the far-field beam spot distribution via non-mechanical means.

Abstract: A monitored dispensary for medical items comprising or including a storage device to which multiple users have access, said storage device having a containment region inside of which items are stored, and a monitoring system, said monitoring system comprising detectors to obtain information about the items used during a transaction when a user accesses the cabinet, and devices to obtain identity information derived from the user of the cabinet at the time that the transaction was effected, wherein said system is able to process the output of the detectors and/or devices in order to create a record of each transaction and monitor the inventory of the storage device.

Abstract: Embodiments of a tool taught herein are incorporated into a tubing string and are run into a wellbore until an agitator at a bottom of the tool engages an obstruction in the wellbore. A helical drive arrangement between a mandrel and a sleeve causes the sleeve on the outside of the tool, to which the agitator is attached, to rotate as the mandrel is reciprocated between a downstroke and an upstroke. Rotation of the agitator disrupts the obstruction forming debris therefrom and a slurry of the debris in wellbore fluid. At the same time, reciprocation of the mandrel causes a standing valve and a travelling valve in the tool to be alternately opened and closed for pumping the slurry into the tool and from the tool into the tubing string for storage therein. Periodically the tool is tripped to surface and the stored debris is removed from the tubing string.

Abstract: A light source system comprising a projection lens, which is capable of producing a far-field image of a light source. The light source comprises a photoluminescent material that when illuminated by light from laser emitters of a first waveband emits light of a second or more wavebands of longer wavelength. The resulting light emission produces a color perceived as white. The light source is illuminated by a plurality of laser emitters arranged to illuminate the light source in an array-like manner from the front side. Control of the output of one or more of the laser emitters results in a variation of the spatial emission distribution from the light source and hence a variation of the far-field beam spot distribution via non-mechanical means. An optical system is arranged to image light emitted from the photoluminescent material into the far-field, which optical system comprises a converging lens.

Abstract: A light source system comprising projection optics, which are capable of producing a far-field image of a light source. The light source comprises a fluorescent medium that when illuminated by light from laser emitters of a first waveband emits light of a second or more wavebands of longer wavelength. The resulting light emission produces a colour perceived as white. The light source is illuminated by a plurality of laser emitters arranged to illuminate the light source in an array-like manner. Control of the output of one or more of the laser emitters results in a variation of the spatial emission distribution from the light source and hence a variation of the far-field beam spot distribution. Further, fine variation of the far-field beam spot distribution may be achieved by re-direction of the laser beams by separate control methods.

Abstract: A transparent display device includes a screen that has a plurality of light deflecting elements that are separated by transparent areas, and a projector device. The projector device is configured to direct light onto the light deflecting elements and not onto the transparent areas. The display device may include a first screen and a second screen separated longitudinally relative to the projector, wherein each screen respectively has a plurality of light deflecting elements. The projector is configured to direct light onto the light deflecting elements and not onto the transparent areas of the two screens such that light from the first and second light deflecting elements appear in different virtual depth planes. Alternatively, a single screen may have first and second pluralities of light deflecting elements of different optical powers, such that light from the first and second light deflecting elements appear in different virtual depth planes.

Abstract: An illumination system comprises at least two light sources (101,102,103) having different emission spectra to one another; a detection circuit (131,132,133) for sensing a light intensity using at least one of the light sources as a photosensor; and driving means (161,162,163) for driving the light source in dependence on the sensed spectral distribution of light. The emission spectrum of a light source with the smallest bandgap overlaps the emission spectrum of a light source with the second-smallest bandgap. The illumination system is possible to measure the intensity of light emitted by the light source with the smallest bandgap by putting the light source with the second-smallest bandgap in detection mode. The illumination system may also sense the spectral distribution of ambient light, to allow the output from the illumination system to be adjusted in dependence on the ambient light.

Abstract: A light source system operable in at least first and second modes to provide at least and first and second different far field illumination patterns, the system comprising: a photoluminescent material; and a light beam generator for generating, in the first mode, a first set of light beams for illuminating respective first regions of the photoluminescent material and for generating, in the second mode, a second set of light beams for illuminating respective second regions of the photoluminescent material, the first and second sets of light beams being independently controllable. In the first mode, the light beam generator generates the first set of light beams such that a first beam of the first set of light beams illuminates a first illumination region of the photoluminescent material having one side that is inclined with respect to another side of the illumination region.

Abstract: A lighting device includes a transparent optical cavity having an exit surface including a specularly reflective material arranged to reflect light into the cavity, the exit surface having a plurality of apertures formed therein, a base surface including a specularly reflective material arranged to reflect light into the cavity, and at least one light receiving surface arranged relative to the base surface and configured to receive light from a light source. The plurality of apertures are arranged to maximize at least one of uniformity, angular distribution, efficiency or luminous intensity of light exiting the exit surface, and a distribution of light received at the light receiving surface is altered by at least one of a combination of the exit surface and the base surface, or the light receiving surface.

Abstract: A backlight is provided for a direct-view display. The backlight comprises a plurality of discrete light sources (11), such as light emitting diodes, spaced from a diffuser (5). The light sources are arranged as sets cooperating with a mirror structure (101), which surrounds the set to form a region. The regions substantially tessellate the area of the backlight. Each mirror structure (101) comprises a plurality of mirror segments which are curved and concave in cross-section perpendicular to the diffuser (5). The mirror segments extend from around the light sources (11) towards the diffuser (5). The edges of adjacent mirror segments of adjacent regions meet at a meeting line such that all of the meeting lines are at the diffuser (5) or between the diffuser (5) and the light sources (11).

Abstract: The Knee Immobilizer Support Cuff has been created as a medical apparatus for bottom based support for a knee immobilizer (brace). Knee Immobilizers are difficult to keep in the correct position and often slip down the patient's leg during upright orientation (standing/walking). The Knee Immobilizer Support Cuff will stabilize the knee immobilizer without having to overly tighten the straps, thereby avoiding the discomfort and restriction of blood flow to the knee and surrounding tissues. The knee immobilizer support cuff will be offered in a variety of sizes and/or shapes to fit the needs of the individual patient.

Abstract: A lamp comprises a thin layer of phosphor (105,113) which is irradiated (46), for example by ultraviolet radiation, by a source which typically comprises a laser diode and a condenser (101,111). This causes the phosphor (105,113) to emit visible light with a Lambertion-type emission pattern. An optical system such as a reflector (102,115) concentrates the light from the phosphor (105,113). The phosphor (105,113) is thermally connected to a heatsink (103,116), of example by a plate (114) of sapphire glass, so as to dissipate the heat produced by the phosphor (105,113). The phosphor (105) may be mounted on a plane reflector (104) disposed on or comprising the heatsink (103) and facing a curved reflector (102) and the radiation source. Alternatively, the optical system may have an optical axis and the phosphor (113) may be substantially flat and inclined with the respect to the optical axis.

Abstract: A light source system comprising projection optics, which are capable of producing a far-field image of a light source. The light source comprises a fluorescent medium that when illuminated by light from laser emitters of a first waveband emits light of a second or more wavebands of longer wavelength. The resulting light emission produces a colour perceived as white. The light source is illuminated by a plurality of laser emitters arranged to illuminate the light source in an array-like manner. Control of the output of one or more of the laser emitters results in a variation of the spatial emission distribution from the light source and hence a variation of the far-field beam spot distribution via non-mechanical means.

Abstract: A light source system comprising an optical system which is arranged to project light from a light source into the far-field. The light source comprises a mixture of fluorescent materials which are sensitive to one of two wavebands in either the UV or blue part of the spectrum. The combination of the light emitted from both sets of fluorescent materials combined such that the resulting colour is perceived as white. The light source is illuminated by a plurality of laser emitters comprised of both emitters (35) in the UV waveband and emitters (36) in the blue waveband. The resultant light emitted has an improved eye safety by the reduction of laser light content.

Abstract: A computer-implemented method for providing share assessment data, the method including: maintaining access to a repository of data for a plurality of shares; providing, via a client interface, a share selection interface, wherein a share selected via the share selection interface is added to a virtual share portfolio; providing, via the client interface, a virtual portfolio display interface, wherein the interface provides data indicative of the shares in the virtual portfolio; providing, via the client interface, a chart display interface, wherein the chart display interface is configured to display a plurality of charts, wherein each chart provides, for each of a selection of the shares, respective graphical markers thereby to illustrate the attributes of each share in the selection relative to a set of assessment dimensions; responsive to a user command, applying a visual identifier to one or more of the graphical markers corresponding to shares in the virtual share portfolio, thereby to facilitate identi

Abstract: A computer-implemented method for transforming company performance data thereby to provide cash flow assessment data, the method including: maintaining access to a repository of data for a plurality of shares, wherein the data includes, for each share, company performance data for the company in respect of which the share is issued; receiving, from a client, a cash flow assessment request for a given one of the shares; obtaining from the repository, for the user selected share values for a set of data fields associated with the given one of the shares, wherein values include, for one or more historical periods a profit quantifier a paid dividend quantifier, and one or more cash flow quantifiers; determining a funding gap/surplus quantifier for each historical period wherein each funding gap quantifier is derived from a calculation that accepts inputs including the paid dividends quantifier and one or more of the cash flow quantifiers; defining data indicative of a chart to be displayed by the client, wherein

Abstract: A computer-implemented method for transforming share assessment data into plain language, the method including: maintaining access to a repository of data for a plurality of shares; receiving, from a client, a share assessment request, the share assessment request being indicative of a user-selected share and a user-selected assessment type; identifying a set of data fields associated with the user-selected assessment type; obtaining from the repository, for the user-selected share, values for the identified data fields; executing a plain language conversion algorithm defined for the user-selected assessment type in respect of the obtained values thereby to generate a string of plain language prose; providing the string of plain language prose for display to the client.

Abstract: A computer-implemented method for providing share assessment data, the method including: maintaining access to a repository of data for a plurality of shares in respective businesses, wherein the data includes, for each share: (c) one or more first inputs for deriving a first share quality rating component indicative of risk of an adverse liquidity event in each business; and (d) one or more second inputs for deriving a second share quality rating component indicative of financial performance of each business; and combining the first and second share quality rating components thereby to define a compound share quality rating that is independently indicative of both liquidity risk and financial performance for each of the respective businesses; wherein the compound share quality rating scale provides an assessment dimension for an axis of one or more charts.

Abstract: To determine two positional co-ordinates, of a point (D) within a space, a beam (10) a radiation is caused to illuminate a part of the space and is deflected cylindrically over the space, the beam being modulated in phase with the cyclical movement such that the radiation incident upon the point (D) includes enough information to identify the point. Embodiments with rotational (r, ?) and Cartesian (x, y) co-ordinate axes are disclosed.