Abstract: A connector is provided for securing a fluorescent light bulb having a given length into a lighting fixture having spaced apart bulb-receiving members, with the space between the bulb-receiving members being longer than the length of the bulb. The connector also has fluorescent bulb pin openings at one end which receive a lighting bulb pin or pins at one end and connector pins at the other end of the connector for receipt within a companion opening or slots within the bulb-receiving members of the lighting fixture.

Abstract: A display case having lenses mounted in the case that distribute or direct light emitted by fluorescent tubes located near the ends of display shelves toward the shelves in order to provide a more uniform light distribution along the length of the shelves. The lenses facilitate the illumination of items placed on the shelves near the front and middle of the shelves. Light-directing portions of the lenses distribute or direct light emitted from the fluorescent tubes located inside the lenses toward the display case shelves. In another embodiment of the display case, the lenses are mounted horizontally inside the case, and used to direct light toward the interior of the case and toward the shelves inside the case. In still another embodiment of the display case, the lenses are mounted vertically inside the case and at the corners of the case.

Abstract: The present invention relates to surfaces used to reflect light, and particularly to highly light reflectant surfaces that provide even diffusion of light for the purpose of maximizing light efficiency and/or uniformity in a luminaire. By employing an expanded polytetrafluoroethylene (PTFE) comprising a microstructure of polymeric nodes and fibrils, the material of the present invention demonstrates exceptional diffuse reflectivity across a wide spectrum of visible light. Additionally, the material of the present invention provides many properties that have been previously unavailable in highly diffuse reflective material, including a high degree of malleability, moldability and flexibility, and effective reflectivity even at relatively thin cross-sections.

Abstract: A reflector system for lighting fixtures having a frame in which one or more bulbs and a reflector is mounted. The reflector is formed of at least one sheet of PVC. Preferably, the PVC is a single integral member curved to focus the reflected light.

Abstract: A direct-indirect luminaire is provided with a direct light control structure between the luminaire's light source and the down light openings in the luminaire's housing. The down light control structure has an interior light capture which extends to meet the light source and which is shaped to substantially conform to the shape of a capturable surface of the light source. The down light control structure captures and directs substantially all of the light emitted from the captured portion of the light source through the housing's down light opening to provide improved control over the down light component of the luminaire.

Abstract: The present invention comprises a light fixture including a housing, a light source, means to secure a light source to the housing, a lens and a reflector. The reflector and lens are positioned so as to direct light from the light source onto an unlit side of the housing.The light fixture is normally suspended from the ceiling or attached to a wall. A greater portion of the light from the light source is reflected off the ceiling or wall, whereas a smaller portion of the light from the light source is reflected off the reflector and onto the housing. After the smaller portion is reflected off the housing, the smaller portion and the larger portion are traveling in generally the same direction, thereby reducing the contrast between the housing and the ceiling or wall.The present fixture housing is very shallow, preferably less than about 3" deep.

Abstract: A portable light assembly includes a ballast, a bulb having a base and at least one electrode for being connected to the ballast, and an elongate light-transmitting protective shield surrounding the bulb. A shock-absorbing bulb socket is located adjacent to the base of the bulb to protect the bulb against impact damage. The bulb socket includes a top and bottom, and integrally formed side walls engaging an inside wall of the protective shield. A plurality of openings extend longitudinally through the socket from the top to the bottom for receiving from the bottom a plurality of electrical wires connected to the ballast, and for receiving from the top a plurality of external pins connected to the electrode and extending outwardly from the base of the bulb. The top of the bulb socket defines a contoured recess adapted for receiving and holding the base of the bulb.

Abstract: A system especially suitable for illuminating the front side of an object, as viewed by an observer is disclosed herein. This system includes a light pipe assembly having opposing forward and rearward faces; an arrangement for directing light into the light pipe assembly in a predetermined way; and an arrangement of optical components forming part of the light pipe assembly. This latter assembly is provide for reflecting substantially all of the light directed into the light pipe in a forward direction through the forward face of the light pipe. The light pipe assembly including the arrangement of optical components is substantially transparent to visible light or electro-magnetic wave of a particular wavelength in the direction across the opposing forward and rearward faces of the assembly such that the light pipe assembly can be positioned between the object being illuminated and the observer or the detector without in any significant way disrupting the observer's or detector's view of the object.

Abstract: A bidirectional lighting system includes a housing having a planar base and a stringer connected to end plates by a chassis. The chassis carries a bracket for light sockets and asymmetric reflectors. The edges of the base, the end plates and the stringer define a pair of windows. One light source and an associated asymmetric provide up light illumination through one of the windows and the other light source and its associated reflector provides wall wash illumination of an adjacent wall through the other window.

Abstract: An improved fluorescent troffer lighting fixture particularly intended for recessed mounting to a suspended ceiling grid, the fixture of the invention having a housing frame configured with spaced end plates which secure to a top plate and side flanges without the need for separate fasteners. The end plates, top plate and side flanges of the fixture housing snap-fit together through the use of cooperating fastening elements formed integrally with said end plates inter alia. The fixture housing mounts a louver and a channel with fastening structure integrally formed with the fixture housing, the channel mounting at least one fluorescent lamp and having reflective surfaces opposing said lamp for increasing efficiency of the fixture.

Abstract: A light emitting device for use in lighting and/or display applications includes a UV/blue LED located in a depression having reflecting sidewalls, a light transmitting material surrounding the LED and filling the depression, and a phosphor in the form of particles either dispersed in the light transmitting material or adhered to the surface of the LED. The sidewalls reflect UV as well as visible light, thus enhancing the efficiency of the device. Optical filters located on the top of the LED and/or the bottom of a UV absorbing glass plate covering the depression further enhance efficiency and/or spectral characteristics of the emitted light.

Abstract: A visible light emitting device for use in lighting and/or display applications includes a UV LED, a phosphor layer on the upper, main light emitting surface of the LED, and a short wave pass (SWP) filter between the LED and the phosphor layer to transmit UV light from the LED to the phosphor layer, as well as to reflect visible light from the phosphor layer in a forward direction, thus enhancing the efficiency of the device. Additional optical filters located on the top of the phosphor layer further enhance efficiency and/or spectral characteristics of the emitted light.

Abstract: A light display in which black or ultraviolet radiant energy or "black" light or black light blue is introduced between a totally reflective mirror and a partially reflective or one-way mirror. The ultraviolet light impinges upon an object positioned between the two mirrors which is either fabricated or molded at least in part by fluorescent plastic or coated or impregnated with a fluorescent paint or dye. The object then emits visible light which is incident upon the fully reflective mirror to reflect back at the object and the partially reflective mirror to create an infinity mirror effect of the fluorescent object.

Abstract: A light fixture having a uplight shade with an elongate downlight aperture includes a removable baffle configured to cover the elongate downlight aperture to control the amount of downwardly directed light. The light fixture includes an elongate ballast/electronic housing having opposing ends, and elongate side panel having opposing ends, and a pair of end pieces supportingly engaging the opposing ends of the ballast/electronic housing and the opposing ends of the side panels. The housing and side panel are laterally spaced apart, and together with the end pieces define an elongate downlight aperture. The side panel is positioned and orientated with respect to a light source mounted between the end pieces to act as a shade which reflects light upwardly from the light fixture.

Abstract: A luminaire for luminescent light sources includes: (i) an extruded tubular `U`-shaped housing having a longitudinal external male dovetail shoulder on one side, a longitudinal external female dovetail channel on its other side, a longitudinal external female dovetail channel on the bottom, two terminating longitudinal `C`-channel tracks one along the edge of each side leg, and two diametrically opposing interior longitudinal `C`-channels; (ii) a mounting plate secured by screws received within the internal `C`-channels at each end of the housing; (iii) electrical power mounting sockets secured to the end plates; (iv) luminescent light tubes mounted in the sockets extending longitudinally within the housing; (v) a reflector surface curling around the luminescent light tubes within the housing; (vi) retractable endcaps resiliently secured by spring biased screws to each endplate closing each end of the housing; and a longitudinal curved transparent lens element having beaded side edges shaped for capture by an

Abstract: A ceiling lighting fixture, including a rectangular bottom-open casing having a plurality of parallel partition frames and an electric connector connected to external power supply, a plurality of lamp tubes respectively mounted in the casing and separated by the partition frames and electrically connected to the electric connector, and a cylindrical sensor-controlled switch adapted for detecting the presence of persons and switching on/off the electric connector subject to its detection result, one of the partition frames having a rounded switch mounting hole and a plurality of bendable locating strips respectively projecting into the switch mounting hole at different angles, the cylindrical sensor-controlled switch being mounted in the rounded switch mounting hole and connected to the electric connector, having a plurality of recessed holes spaced around the periphery and forced into engagement with the locating strips.

Abstract: The lighting system according to the present invention is based on a modular lighting component or fixture which is designed to accommodate a single T8 (1" diameter) fluorescent tube. The T8 fluorescent tube which is smaller than the widely used T12 fluorescent tube is more efficient and lower powered than the more common T12 lamp. The modular system of fixtures each contain only one lamp and allow the end user to couple the correct quantity of fixtures to meet both the lighting requirements and the power density limitations of any application. The modular system of fixtures along with a system for coupling the fixtures allows extreme flexibility of layout designs for a variety of applications. The individual lighting fixture includes a lamp housing in which the single T8 light source is mounted, electrical connections for the light source, side reflectors and a plurality of cross vanes or louvers extending transversely below the light source.

Abstract: A cap for securing a plurality of discharge tubes to a discharge lamp assembly includes a pair of ribs formed on a base plate of the cap. The ribs guide adhesive towards openings in the base plate through which the tubes extend. Adhesive is kept away from the base plate perimeter, which may include a rim, such that assembly of the cap with a housing does not upset the adhesive bond securing the discharge tubes to the cap. Similarly, an assembly method for the cap involves the step of forming a pair of ribs on the base plate of the cap.

Abstract: An illuminated display box includes one or more display sides. Each side includes identical panel support units connected to angled sidewalls of a bracket on the opposite sides of the display. Each support unit is an integrally extruded U-shaped plastic member, and includes an attachment leg and a panel support leg connected by a U-shaped base. The attachment leg has an edge slot extended over the angled sidewall and fixedly secured by a lanced portion of the angled sidewall. The support leg has an open slot to receive a dual panel unit including superimposed transparent panels between which a display poster is held. The panel units are formed of a flexible and optically clear plastic and have a width in excess of the distance between the slots of the two side panel support units. Insertion of the panel edges into the slots creates a curved panel unit. The display box may have a single display panel unit or a plurality of display panel units arranged to form a plurality of sides of the display box.

Abstract: A portable work light having a fluorescent lamp (fluorescent light bulb). The fluorescent lamp has a base which supports a translucent envelope that contains a gas for emitting light when energized by an electric input. Activation circuitry is contained within a base housing, as is a portion of the translucent envelope. A flexible, electrically and mechanically insulating material is injected into the base housing to stabilize and prevent movement of the actuation circuitry with respect to the base housing and translucent envelope, thereby preventing damage to the components of the fluorescent lamp. The portable work light has a transparent cover which supports a lamp. The cover has electrical connectors at one end for engaging the lamp. The cover has a bulb support mechanism which engages a lip on the base of a lamp to maintain the electrical contact of the lamp engaged with the electrical connectors and to inhibit movement of the base of the lamp relative to the cover.

Abstract: Improved structures for housing assemblies for illuminated glass tubing are provided with this invention which comprises a housing assembly with a base section having wall portions forming an elongated channel having an open side; a central section having wall portions forming an elongated channel having an open side; and a light-transmitting cover section having wall portions forming an elongated channel having an open side; the central section secured to the cover section to form a light unit, the light unit being shorter than the base section; an elongated support plate for glass tubing, the wall portions of the central section including means adjacent the open side of the central section channel for supportably receiving the support plate in the channel; and the wall portions of the base section and the central section including means for securing the central section to the base section in snap-fit relation to close said open sides of said channels; whereby the longitudinal position of the light unit on t

Abstract: A lamp housing to support and power a compact dual or quad-tube fluorescent lamp. A body portion with a central cavity receives the lamp base and selectively retains same using a trapped metal clip; contacts mounted in separated cavities receive the lamp leads at a first end and at the second end the bared end of an electrical conductor inserted into a one way type clutch contact lever to apply AC power to the lampleads. The contact lever can be bifurcated to independently engage more than a single conductor. The lamphousing can be mounted to a panel using fasteners extending through apertures in mounting pads of the base, or by using flexible mounting tabs to grip the underside of a mounting panel or a combination of the flexible mounting tabs and flexible arms to permit the lampholder to be mounted on panels of different thicknesses.

Abstract: A modular ballast system particularly suited for strip lighting installations has ballast modules on opposite ends of each fluorescent lamp tube, each module having lamp connectors for receiving the end pins of the fluorescent lamp, capacitance and inductance elements connected to the lamp connectors in each module, and jumper conductors interconnecting the capacitance and inductance elements of the modules to define a bridge type ballast circuit for powering the fluorescent lamp. Each ballast module can be made small and lightweight with a single inductor and capacitor forming two legs of a four leg bridge type ballast. Pairs of ballast modules can be connected back-to-back to transmit electrical power without external wiring to successive fluorescent lamps along the strip.

Abstract: The present invention provides an electrical conductor for an optical system (M13) adapted to be stuck to a unit body (M11) for supporting a fluorescent lamp (M12). The electrical conductor (M13) includes: a base portion (M131) which is disposed in proximity to an outer peripheral surface of a glass tube (M121) of the fluorescent lamp (M12) such that mercury in the glass tube (M121) is diffusible, and which is opposite to the glass tube (M121) throughout the length thereof; and reflection portions (M132, M133) integrally formed with the base portion (M131).

Abstract: A receptacle structure for a fluorescent lamp, wherein a light refracting plate is arched upwardly and is provided beneath two wing plates of an elongated base of the receptacle structure, the inner bottom face of the refracting plate is in an undulated form and is arched in a contrary direction to that of an arched and undulated lamp shade, thus an elliptical hermetic space is provided for hidding a lamp pipe (which is secured by two end fixing-seats provided on the two ends of the elongated base) between the lamp shade (which is engaged by two end fixing-caps for preventing it from dropping) and the refracting plate, thereby light projecting through the refracting plate and the lamp shade can be more uniform, the lamp pipe will no more be exposed to be covered with dust, appearance of the whole lamp can be more beautiful.

Abstract: A low profile damage resistant lighting fixture which has a substantially rigid extruded housing base with an elongated back plate and a spaced pair of longitudinally extending legs that depend from an inside surface of the back plate and thereby provide a ballast channel between the legs and a pair of lamp channels on opposite sides of the ballast channel to receive elongated florescent lamps. An elongated cover is removably secured with snap connections to the legs for covering the ballast channel. Cast or molded end caps enclose opposite ends of the fixture.

Abstract: A hand-held fluorescent light includes a handle to be gripped by the user for carrying the light. An electronic ballast is contained in the handle for providing starting voltage and for limiting electric current through the circuit elements of the light. A replaceable, phosphor-coated, sealed bulb is connected to the handle and includes at least one electrode located in the bulb for receiving an electric current from the ballast. A shock absorbing bulb socket serves to electrically connect the electrode and the ballast together.

Abstract: A fluorescent light fixture or luminaire having a housing which has hinge assemblies which pivotally support a mounting plate. The hinge assembly allows the mounting plate on which the lamps and ballasts are mounted to be pivoted to a generally vertical service position or latched in a horizontal use position within the housing. A selected number of lamp sockets can be selectively secured to the plate to receive the lamps. Reflectors and lamp stand-offs may be secured to the mounting plate at bendable tabs formed in the mounting plate. The light fixture is adapted for use with standard or high efficiency compact lamps.

Abstract: A fluorescent-lighting adaptor assembly for a fluorescent lamp which has at least one light-emitting tube, a base, and electrical contacts on said base includes an electrical adaptor and a heat sink. The electrical adaptor includes an enclosure and electrical sockets configured to receive the lamp contacts on the enclosure. The enclosure defines at least two housing portions radially separated by at least one window and a ballast in at least one of the housing portions. The heat sink includes a wall surrounding the light-emitting tube, a heat coupling surface of the wall facing the light-emitting tube and configured to couple heat between the light-emitting tube and the wall, and a heat dissipation surface. The heat dissipation surface of the wall is positioned in the window between the enclosure portions and is configured to dissipate heat to the atmosphere.

Abstract: A ballast can having at least one of an opening which faces in a direction other than toward the rear of the refrigeration unit in which it is mounted and a ballast mounted on the can's cover. The ballast can may include resilient members for attaching the can to a refrigeration unit frame.

Abstract: An electrical connector (3) for a fluorescent lighting fixture (1) comprises a circuit board (9) having an integral lamp ballast (10), a first bank of sockets (4) and wire connecting ports (11,12). A housing (16) encloses the ballast and the circuit board. The first bank of sockets are exposed from the housing for connection to fluorescent lamps, and the wire connecting ports are exposed from the housing for connection between external wiring from a source of electrical power and wiring extending to a second bank of sockets for the fluorescent lamps.

Abstract: A retrofit assembly for readily and inexpensively converting an incandescent light fixture to a fluorescent light fixture.

Abstract: A power takeoff and lighting unit for a fluorescent fixture is disclosed and comprises an elongate housing having spaced apart connectors on opposite ends for connection to a standard fluorescent lighting fixture. The housing includes a first segment containing electronics for converting power to usable power, such as direct current, and has a power cord that extends outwardly from the segment. Preferably, the unit has a maximum diameter less than twice the diameter of a standard fluorescent tube, and preferably less than 11/2 times the diameter of a standard fluorescent tube, thus providing a compact profile and enabling modular replacement of a standard bulb with the power takeoff lighting unit.

Abstract: A discharge lamp, such as a neon lamp or a subminiature fluorescent lamp, includes an elongated tubular lamp envelope containing a fill material for supporting a light-emitting discharge and electrodes mounted at opposite ends of the lamp envelope. A light-transmissive conductive coating on the lamp envelope substantially attenuates emission of RF energy. A conductor in electrical contact with the conductive coating couples the conductive coating to a reference potential, such as ground. The conductor may be a metal or conductive silicone strip in electrical contact with the conductive coating along the length of the lamp envelope. The discharge lamp may be connected to a ballast circuit by coaxial cables. The outer conductor of each coaxial cable is connected to the conductive coating to form a continuous RF shield. The conductive coating and/or the metal strip may be used for heating of the discharge lamp.

Abstract: The cap according to the invention has a base plate and a side wall and in the base plate, openings are formed for accepting the glass body or bodies of the lamp envelope. Optionally, a partition is placed between the side wall and these openings. The essential feature of the invention is that the cap has, in its inner space bordered by the side wall, or optionally by the partition, components extending to at least one opening and bordering a smaller space at its side, the smaller space being intended to accept an adhesive and is also bordered by some portion of the base housing.

Abstract: An original illuminating apparatus for use in a copying apparatus, an image reader, or a facsimile is provided with a fluorescent lamp having a long tube wall to illuminate an original; a heat radiating member provided at a position opposite to the original illuminating side of the fluorescent lamp; and a thermal coupling member which is close to the tube wall of the fluorescent lamp and the heat radiating member and is thermally coupled thereto. The thermal coupling member is provided within an effective light emission length in the longitudinal direction of the fluorescent lamp at a position different from the original illuminating side of the fluorescent lamp or on the side that is almost opposite to the original illuminating side of the fluorescent lamp.

Abstract: A radiant energy redirecting system comprising a radiant energy transmitting body structure; the structure comprising multiple elements, each of which acts as a radiant energy redirecting module, having on its cross-sectional perimeter an entry face to receive incidence of the energy into the interior of the perimeter, an exit face to pass the energy to the exterior of the perimeter in a direction towards the reverse side of the body from the side of the incidence, and a Totally Internally Reflecting face angled relative to the entry and exit faces to redirect towards the exit face the radiant energy incident from the entry face; the body structure generally redirecting incident radiant energy towards a predetermined target zone situated apart from and on the reverse side of the body relative to the side of the incidence; and lens structure associated with at least one of the faces for redirecting radiant energy passing between the entry and exit faces via the Totally Internally Reflecting face.

Abstract: In a lamp main body in a discharge lamp provided in a lighting apparatus of an edge-lighting type which is used as a back-lighting section of a liquid crystal display apparatus, refractive indexes are distributed such that a light emitted from an inner space traveling in the lamp main body can be guided to a specific direction. In other words, the lamp main body is divided into a plurality of portions and the portions are formed such that refractive indexes become gradually smaller from a light converging side towards a back surface side which is opposite to the light converging side. With this arrangement, a discharge lamp, which is capable of emitting a light from a surface of the lamp main body to a specific direction, can be obtained. Moreover, when the discharge lamp is used, efficiency of utilization of a light is improved, thereby making it possible to obtain a lighting apparatus with high surface brightness and low power consumption.

Abstract: An intensity equalizing element for placement between a number of individual fluorescent tubes in a light panel and the panel image display surface. The element includes a like number of curved surfaces in axial alignment with the individual tubes to reduce variation in observed intensity due to tube spacing. Each curved surface is provided with a non-uniform opaque dot pattern thereon to reduce variation in the intensity of light at the panel display surface and enhance uniformity of light intensity throughout an overlying image display.

Abstract: A fluorescent backlit display embodying a rectangular supporting frame, a display panel on the front of the frame, a plurality of equally spaced elongated modular lamp units each having a base member including an elongated tube of triangular cross section which carries a cylindrical fluorescent lamp provided with light leveling masking, two exterior surfaces of each triangular tube are reflective and are joined at a vertex from which they diverge rearwardly to marginal portions located adjacent a rollable nonspecular diffusely reflective rear wall.

Abstract: Fluorescent type lamps are arranged to have high frequency power derived from standard, commercial A.C. sources either directly or from power levels distributed from a master ballast. When the master ballast is employed, it functions as an interface between the primary power source and a distribution network to one or more modules so as to relieve the modules of operations such as initial power form conversions, filtering and power factor correcting which require large components. The module or modules driven by the master ballast output are contained within the lamp envelope or attached as an extension of the lamp envelope. The module is formed of elements mounted as a miniaturized unit configured to fit within the lamp envelope or to attach to the end of the envelope. The module includes oscillator components mounted on an elongated board so as to form an assembly with a cross-section compatible with the perimeter of the envelope itself.

Abstract: A lamp for fluorescent tubes includes a housing of plastic having two half-shells that can be divided laterally. A plug element is molded out of the housing and an illumination field is enclosed by an illumination field cover. Electrical equipment necessary for operating the fluorescent tube is provided. In the area of the separation line of the half-shells adjacent to the illumination field, at least one slot-shaped cutout for insertion of contact pins of the fluorescent tube is provided.

Abstract: A backlighting unit for illuminating a planar display is provided, comprising an illumination source having a light emitting portion for emitting illumination toward the generally planar display, and a reflector for collecting the emitted illumination and reflecting the collected illumination toward the planar display, the reflector being positioned intermediate the illumination source and the display. The illumination source is a fluorescent lamp having an interior surface thereof substantially coated with a phosphor, and the light emitting portion is an aperture in the fluorescent lamp wherein no phosphor coating is present. The fluorescent lamp may be provided with a reflective wrap for increasing its illumination gain. A lens positioned between the reflector and the display receives the illumination reflected by the reflector and redirects the received illumination toward the display to provide even backlit illumination thereof.

Abstract: A lamp for fluorescent tubes with a housing (2) of plastic consisting of two half-shells (9,10) that can be divided laterally, a plug element (3) molded out of the housing (2), an illumination field with possibly an illumination field cover (5), as well as the electrical equipment necessary for operating the fluorescent tube (12), has a switching element (7) guided through the housing (2) which can be held in place in the desired switching position by a catch element (19) provided on the housing (2) (FIG. 1).

Abstract: A lightweight reflector is fabricated from corrugated plastic sheet by bonding a mirrored film on a cover layer having a great number of closely spaced lengthwise depressions so that a corresponding series of striations form a reflector surface having a multitude of facets, the sheet to be formed into a concavely curved shape which shape may be held with a wire secured crosswise to the sheet at a point intermediate the ends. In the preferred embodiment, single faced corrugated plastic sheeting is used which can readily be shaped in a curved shape.

Abstract: A backlighting device for a backlit graphic display used in an instrument panel of an automobile. The backlighting system involves the use of a fluorescent light source and a lightpipe which is tailored for use with the fluorescent light source so as to promote uniform transmission of light to the display, and to achieve a suitable level of light intensity when backlit by a minimal number of light sources. The backlighting system further involves forming the lightpipe from a material which readily transmits light, and preferably is sensitive to ultraviolet radiation, so as to enhance the lighting capability of the light source while also producing an aesthetically pleasing appearance for the display.

Abstract: A display unit with the conversion of a laser beam into visible and incoherent light. The unit includes an optical waveguide which transmits a laser beam and at least one element for converting the laser beam into visible and incoherent light which faces the optical waveguide. It also includes at least one security or safety element, which faces the conversion element, which is transparent to the visible and incoherent light and which is able to stop the residual laser beam which may emerge from the conversion element. Accordingly, the visible and incoherent light can be observed through the safety element. The unit may be used with electric signs and markings.

Abstract: Multiple compact fluorescent annular lamps are arranged in complementary concentric fashion about a miniature tungsten-halogen light source. All lamping is combined with appropriate reflectors in a single assembly with internal controls so as to provide dimmable light, focused center light, and frigid weather illumination capability. Light output of high efficacy is produced by combining fluorescent technology and the versatility inherent in halogen incandescent technology. The annular fluorescent lamps are triangular or igloo-shaped in cross section and the associated reflector serves to redirect light from the base of the lamps.

Abstract: A fighting fixture disclosed is designed for installation in a cove of a public transit vehicle providing ready access to a space behind it, without requiring a variety of specially designed fixtures for special access requirements. The fixture comprises a pair of battens extending generally vertically to support the fixture, a longitudinally extending card panel supported in movable relationship by the battens and having a groove adapted to mount an advertisement card, a socket connected to each of the battens cooperating to mount a fluorescent lamp, and a bezel supported by the battens and supporting a lens covering the mounted lamp. Access to the space is obtained by releasing a lower edge of the card panel and rotating it about pivot pins to an open position. Similarly, the bezel is pivoted to provide access to the mounted lamp. An advertisement car card placed on the card panel is retained at a lower edge by the card panel throughout the pivotal displacement of the panel.

Abstract: Document-imager for imaging documents (e.g. checks that are transported past an imaging-site, where the site is illuminated by one (or two) pairs of lamps symmetrically disposed about the site, with image-reflection sent back between lamps to be captured.