Abstract: A self-positioning lamp fixture with an integrally formed unitary support structure, including a self righting rounded lower wall terminating in a flat portion to stabilize the lamp structure when in its upright position. A continuous cavity extends throughout the integrally formed support structure making it lightweight. A weight receiving recess is provided at the lower end having an open wall across the flat portion of the structure's lower wall to receive a cylindrical weight therein. The cylindrical weight is removable and is held in the weight receiving recess by removable lag screws. The cylindrical weight has a planar bottom wall which covers the open wall across the flat portion of the structure's lower wall when the cylindrical weight is secured in place within the weight receiving recess.

Abstract: A light modifier is disclosed for use in photography, comprising a frame and a screen supported by the frame. The frame comprises a spine member with first and second limbs pivotally connected to the spine member at spaced apart locations thereon. The frame is mounted on an external support with the first and second limbs retaining in screen supporting positions substantially orthogonal to the spine member such that the screen is tensioned between the first and second limbs. The first limb is seated in a first bracket attached to the spine member and the second limb is seated in a second bracket attached to the spine member. The first and second tubular collars are slidingly mounted on the first and second limbs respectively, the first and second tubular collars fitting when the first and second limbs are in the screen supporting position, over apexes of the first and second brackets respectively so as to prevent pivotal movement of the first and second limbs.

Abstract: A reflective arrangement for tube type lighting comprises a reflective sheet of a resiliently flexible heat resistant material arranged behind the lighting tube. Longitudinal edges of the reflective sheet along each side of the lighting tube are protected by molding portions. A pair of clips is attached to the lighting tube, one at each end thereof, each clip having a center gripping portion for gripping the lighting tube and extending arm portions at each side of the gripping portions having retainers for securing the edge of the molding portions at each side of the reflective sheet.

Abstract: A cold cathode fluorescent tube reflector comprises an extruded ABS thermoplastic support subtending an arc of about 317 degrees and dimensioned to snap fit to the tubular body of fluorescent glass tube. The support has bonded thereto a metallized Mylar film which comprises vapor deposited aluminum which forms a specular second surface mirror. The aluminum coating is next to the support and protected from the ambient atmosphere by the clear Mylar film. The reflector is preferably for 7/8 inch diameter tubes and has a film thickness of about 0.8 mils. In one embodiment, the metallized film is attached during extruding of the support. In the alternative, the film is secured to the support during injection molding of the support.

Abstract: A rear illuminated fascia apparatus for mounting on a surface is disclosed. The apparatus has a support structure comprising support brackets, top and bottom edge frame members, and corner members which tension and hold in place a flexible, translucent sheet material. Metal halide lights are used to illuminate the sheet material. A light dispersion member is positioned between the lights and the sheet material to uniformly distribute and disperse the light through the sheet material. Access members in the apparatus and access openings in the light dispersion member allow convenient changes of the lights.

Abstract: The photographic light control system includes a plurality of structures for causing a particular, selectable convergence of light emanating from a photographic light source such as a flash unit. The system is essentially generic in nature by accommodating a variety of light sources, such accommodation being produced by a sleeve of the system which includes a drawstring engagement thereon for accommodating various sized light source housings.

Abstract: A photographic light diffuser includes a tubular body which is adapted to be mounted on a photographic light source and when so mounted is self-supporting without an internal or external supporting frame or without removably connected rigidly panels, the tubular body has pairs of opposed wall panels, at least one pair of which has fold lines therein along which the wall panels may be folded to collapse the tubular body into a flattened, compost form for portability. A light diffuser panel is mounted on the outer end of the tubular body and the inner end of the tubular body has mounting means for mounting the light diffuser on a light source.

Abstract: A luminaire which has in its housing a multiplicity of groups of light emitters of different colors or pluralities of optical waveguides constructed to emit light progressively along the lengths thereof and a diffuser at which the colors can be mixed and from which the light emerges. The emitters can be controlled at the housing or light can be delivered to the optical waveguides by optical fibers from remote light sources.

Abstract: A planar reflector is composed of a base and a flexible substrate having a high reflection layer formed thereon and overlayed on the base with an adhesive layer interposed between the high reflection layer and the base. The adhesion strength between the base and the substrate is at least 100 g/cm, and the thickness of the adhesive layer is not smaller than 0.5 .mu.m but not greater than 50 .mu.m. A curved reflector can be obtained by bending the planar reflector so that a curved surface having a radius of curvature not greater than 5 mm is formed presenting a concave surface on a side of the flexible substrate.

Abstract: A beacon lantern and a lens for the same with improved light transmission factor, which is easy to manufacture and uses LEDs as a light source. A lantern comprising light source of many LEDs radially distributed on a horizontal circumference and a cylindrical fresnel lens converging beams of light in all horizontal directions, in which the lens is made by rolling a sheet-like, fine prism-shaped linear fresnel lens into a shape of a cylinder. The lantern maintains a top lid and a lower lantern body with a prescribed distance therebetween by way of a center bolt, between said lid and lower lantern body a transparent cylindrical cover is maintained, on the inner surface thereof is the rolled sheet-like linear fresnel lens joined therewith.

Abstract: A photographic light modifier has a frame structure moveable from a closed, substantially planar, position to an open position for attachment to a light source. A pair of pivotally mounted arms are each provided with hooks or loops of a pad member which cooperate with hooks or loops fastened to the engagement surface of the light source for engaging the light modifier thereto.

Abstract: A fluorescent indirect lighting fixture of the hidden source offset reflector type incorporates a novel reflector mounting system which provides advantages of extended uniform "wash" illumination with unusual concealment of the light source from direct view, along with extremenly easy reflector installation and replacement. The reflector, formed to the required special curvature from a thin sheet of suitable metal such as high purity aluminum, is sprung into place between two opposite edges of a window opening in the metal fixture housing in a tongue-and-groove type engagement along the two edges where it is retained in place by the resilience of the reflector with no need for adhesives, screws or other fastenings. Illumination coverage and lamp concealment are both maximized by configuring the reflector and its mounting system uncompromisingly such that both of the straight end regions of the curved reflector extend smoothly and fully to a plane flush with the surrounding ceiling or wall surface.

Abstract: The present invention discloses a unique banklight apparatus and a method for uniform diffuse illumination of large photographic subjects. The banklight includes a reflecting panel, multiple lines of light source rows and diffusing panels for providing uniform illumination of subjects.

Abstract: A shade control arrangement comprises a shade panel having inner and outer edges with an attachment clamp or attachment clips at the inner edge and additional clips at the outer edge. The outer clips can be used to hold the edge of a gelatin sheet or a perforated sheet to stretch the sheet across a source of light to which a pair of panels is connected using the inner clips or clamp. The clamp comprises inner and outer jaws which form a pocket that can be closed with a screw, at least one of the jaws being pivotally connected between the legs of a U-shaped fork that is detachably connected to the shade panel near the inner edge thereof. A flexible shaft is detachably connected to the clamp. A similarly structured clamp can be used to capture the edge of a flexible sheet that contains a plurality of parallel bend troughs so that the sheet can be bent into a variety of shapes.

Abstract: A decorative lighted configuration includes a light source. A frame substantially surrounds the light source and is flexible to permit the formation of a predetermined configuration therefrom. The frame is adapted to receive one or more decorative articles.

Abstract: An improved light diffusion box for photographic, industrial and consumer uses. The light diffusion box includes a hollow housing of fabric material provided with a front screen and having means for securing a ring to the rear end thereof, the ring being adapted to mount a light source within the housing. The housing has sides which are coupled together and each side has a silver laminate layer adjacent to a thin, white nylon layer. A deflection/transmission panel is between the light source and the front screen. A graduated or alternated deflection/transmission pattern is printed on at least one face of the panel and such pattern is equal and opposite to the naturally-occurring light fall-off from the light source. The center of the pattern forces the strong light nearest the source to be largely deflected into the sidewalls of the housing and only slightly transmitted.

Abstract: A collapsible reflector unit (70) is disclosed in its preferred form for use in quick-erect portable display structures particularly adapted for temporary tradeshow booths. Unit (70) generally includes a reflector enclosure (74) formed of vinyl coated, fire retardant, flexible fabric attached to the display structure frame (9) around its periphery by a two-part fastening tape (124). The reflector enclosure (74) is supported in a tent-like manner away from the frame (9) by a support frame (72) including flexible rods (78, 80) removably anchored to the frame (9) and extending arcuately from the frame (9). The central segments (84) of the rods (78, 80) are held rearwardly of the frame (9) by interposing rods (92) therebetween, with the rods (92) having extensions (98, 100) extending contiguously therefrom and having their free ends removably anchored to the frame (9) intermediate the anchor locations of the flexible rods (78, 80). A light system (76) is removably attached to the rods (92 ) by clips (104).

Abstract: A lighting system is described for the uniform illumination of restricted working surfaces in which a large area reflector is used which partially spans the working surface and which is for example positioned above the head height of a standing person. This large area reflector is mounted on a vertical support which simultaneously carries the light source required to irradiate this large area reflector.

Abstract: A light fixture, mountable on a wall, comprises a backing member and a support for a light emitter in front of the backing member, a shade member mountable on the backing member in a position to interfere with at least some of the light rays emanating from the light emitter forwardly of the backing member mounting structure for removably fixing the shade member on the backing member, the shade member comprising a substantially rigid band of forwardly convex and rearwardly concave shape having lateral ends releasably fixed to respective lateral ends of the backing member and having a central portion spaced forwardly of a central portion of the backing member and offset forwardly of the position of the light emitter, the shade member being elastically deformable to allow forcing a temporary resiliently resisted springing apart of its ends, the mounting structure enabling the corresponding lateral ends of the backing member and shade member to establish a releasable snap fit connections therebetween.

Abstract: Luminaires, floodlights and spotlights having a light shield comprised of a flexible material are disclosed. The flexible light shield has a slit in its majority and presents a low wind loading factor when used for a high mast luminaire that is subjected to wind speeds from 60 to 100 miles per hour typically experienced in storms or hurricanes. The flexible light shield is readily adapted to meet the light distribution needs of various other lighting units.

Abstract: A variable beamwidth stage light relying upon an axially movable reflector for changes in beamwidth. The reflector has a plurality of radially outwardly and axially forwardly extending leaves in side-by-side relation to define a bowl-shaped reflector surface. A stationary support flange is in frictional contact with the radially outward surface of each leaf. The reflector leaves are sandwiched between a base member and a ring member at the base of the reflector. A motor driven lead screw is attached to the base member to cause axial movement of the reflector relative to the support flange. The reflector defines a first and a second focal point along the axis of the reflector. A light source is fixed at the first focal point, which remains substantially fixed relative to the base member.

Abstract: The reflector panel includes a unitary structure comprised of longitudinal sections of corrugated paper or cardboard having one reflecting side and folding lines to allow folding for compact portability.

Abstract: A reflector for photographic sources of light, whereby an umbrella-like frame that includes struts can be placed on a mounting for a light source. A connection element is provided on the ends of the struts. A flexible reflector sheathing is disposed on the frame and has a light-discharge opening remote from the mounting. The light-discharge opening has an edge region therearound. A closure member is provided along the edge region of the light-discharge opening, with this closure member being adapted to cooperate with the connection element to provide a detachable connection of the reflector sheathing to the frame.

Abstract: A fluorescent lighting fixture or luminaire in which the conventional number of light source is de-lamped to a lesser number and which provides acceptable light levels and distribution of light. A flexible reflector of specular reflective material is installed in the fixture above the replacement lamp. The reflector material by virtue of its flexiblity will assume a generally parabolic configuration to re-direct the light from the fixture. Thus, with the reflector, two-lamp luminaires will de-lamp to one-lamp and four-lamp luminaires may be de-lamped to two-lamps, and so on. The invention also provides an electrical connector for positioning a new lamp at a central location and which connector is engageable in the existing lamp holders.

Abstract: A balloon closure head for mounting a balloon and a lamp for illuminating the balloon, as well as apparatus for conducting air to inflate and deflate the balloon and apparatus for conducting electricity to the lamp. The conducting apparatus employs needle nose piercing elements which pierce supply channels for both gas and electricity carried by rectangular conduits sealably clamped to the closure head. In one embodiment, a single pair of conductive hollow needle nose piercing elements and cooperating non-return valves supply both gas for the balloon and electricity for the lamp.

Abstract: A conformable reflector is attached to the exterior surface of a fluorescent lamp tube in such fashion that it may be wrapped closely about the fluorescent lamp during shipping and handling, and upon installation of the fluorescent lamp-reflector system within a lighting fixture, the reflector may be extended to a position separated from the fluorescent lamp tube to form a reflecting surface which focuses the light emitted by the fluorescent lamp in a desired direction. The reflector may be permanently affixed to the fluorescent lamp tube, or may be fastened to the tube by adjustable collars which allow variation in the position of the reflector relative to the lighting fixture as desired by the user.

Abstract: A light-diffusion box for illuminating a subject by means of a lamp placed within the box comprises in combination: a hollow rear casing having multiple facets and a reflecting internal face, the casing being constituted by a first sheet of opaque semi-rigid material provided with folding lines between the facets for collapsing the box to a flat state or for erecting the box in three dimensional form in readiness for use; a light-diffusing screen consisting of a translucent second sheet which is capable of assuming a flat shape; fasteners fitted respectively on the edges of the first sheet and on the edges of the second sheet; a central opening formed in the first sheet in order to place a light source in position within the diffusion box; folding lines which extend from the central opening to the periphery of the first sheet; a series of peripheral cut-outs formed in the first sheet with fastenable edges for converting the first sheet to a hollow casing; a polygonal contour at the periphery of the second she

Abstract: A light source device which employs light energy transmitted through an optical conductor cable as a photosynthesizing light source for cultivating plants. The light energy emitted from the optical conductor cable is effectively dispersed in order to nurture plants. The light source device is comprised of one or more optical conductor cables, a first base plate having one or more holes for inserting the optical conductor cables, a second base plate mounted adjacent to the first base plate on the lower side thereof and having one or more holes for inserting the tip end portions of the optical conductor cables passing through the holes of the first base plate, and a motor mounted on the first or second base plate for rotating it.

Abstract: This invention is related to a "non-neon light" which may be directly, manually and freely bent and folded for linear and arched installation for any suitably prepared advertising decoration or similar lamp ornament in a plane figure or dimensional formative article in optional line with the fondness and purpose of installer or user, and consists of a bendable and foldable bulb-holding bar and a set of connecting device wherein the bendable and foldable bulb-holding bar comprises a main bulb-holding bar body made of soft or semi-soft PVC or similar plastic through drawing by a molding/extruding machine, each one electric wire with a suitable number of ply on the left and right sides of this bar, and each one corresponding fillister with a suitable depth and width on the upper and lower sides thereof, a plurality of conductive plugs connected with several or a plurality of small bulbs spaced with suitable pitch in series, and the foremost and terminal bulbs of each set of small bulbs connected with the two ele

Abstract: A lightweight emergency lighting system capable of arrangement into various subjective configurations is provided. A housing member supports a plurality of individual lighting elements mounted on a common semi-rigid bus bar. The upper configuration of the housing members is capable of a directional transmission of light towards a predetermined field angle, while the lower configuration is adaptable for mounting the lighting elements. The upper housing member can have an interior surface of a prismatic configuration to provide a refraction and reflection of light in combination with the exterior surface. The lighting elements, such as L.E.D.'s, can be excited through a pulsing circuit to maximize the light output while conserving power from an auxiliary battery source.

Abstract: A drawing table is provided, which has a top hingedly connected at a first end thereof, to a first end of a base, so as to be pivotable between a closed position, and at least one open position with respect to the base. At least one arm, and preferably a pair of arms, are provided, which are movable to an unextended position when the top is in the closed position and in which the arm or arms lies substantially parallel to the top and the base, and one or more extended positions. Each extended position corresponds to an open position of the top. Retaining means preferably of a releasable adhesive material, such as that sold under the trademark VELCRO, releasably retain each arm in each extended position.

Abstract: The present invention relates to an illuminating device that will create a continuously moving ripple effect on the area illuminated. The device comprises a patterned endless belt transported on a pair of driven rollers. One side of the belt is illuminated preferably by a point light source. As the belt is driven, the patterns on the two sides pass each other in opposite directions. This creates a rippled light effect. The device is particularly well adapted for use with an aquarium to simulate underwater, the effect caused by ambient light shining through surface ripple and waves upon the bottom of a body of water.

Abstract: The modular lighting tube according to the present invention comprises a transparent or translucent and flexible tubular member, a pair of circuit wires provided within said tubular member, across which a plurality of light emitting means are connected, electric terminals for said pair of circuit wires and mechanical connector members provided on opposite ends of said tubular member, wherein the last-mentioned two components are directly connectable to the ends of the adjacent modular lighting tubes in electro-mechanical manner. The circuit wires are connected to the terminals therefor by spring structures to maintain tension in the wires. The springs may form portions of the respective circuit wires.

Abstract: Herein disclosed is an inexpensive light assembly which is easy to be produced and has aesthetic appearance. The assembly comprises a housing of thermoplastic resin having a convexly curved mouth, an electric bulb disposed in the housing, a lens of thermoplastic resin assuming a flat shape when no external stress is applied thereto, the lens being so constructed as to exhibit its desired optical performance when flexed by a given degree, and means for securing the lens to the mouth of the housing while flexing the same by the given degree.

Abstract: A reflective screen with a gradient of reflectivity is moved by a control handle outside a cabinet to display different parts of the screen through a window to a LED and a phototransistor. The changing of the light reflected by the screen from the LED to the phototransistor is used to control an electrical parameter, providing a low cost control device.

Abstract: An electric light balloon containing a balloon, a housing for insertion into the balloon, access for inflation, illumination device, power supply, and a way for activating the system wherein the housing contains an orifice at its top end directly in line with the longitudinal axis of the balloon to allow direct light to enter the balloon from the bulb.

Abstract: A folding reflector for a lantern is formed from a pair of reflecting panels which are pivotally secured for pivotal movement between a folded position in which the panels are superposed and an extended position in which the panels extend in opposite directions from the pivot. When the panels are extended, the reflector can be inserted around the globe of the lantern. When the panels are folded, the reflector can be stored in the bottom of the fount of the lantern.

Abstract: A fan-shape foldable reflector apparatus for use with known flashing or constant beam light-source types, such are generally used by photographers for producing indirect-lighting effects by directing the emitting beam from such a light-source type to impact a reflective surface which faces an area to be so illuminated. The said fan-shape reflector produces similar indirect-lighting effects by causing the beam emitted from such a light-source type to impact this forward-curved reflective means at an upward oblique angle, thereby the beam is refracted, broadened and richochetted as diffused rays onto a subject area to which said reflector is principally faced. This improved reflector additionally comprises all necessary means for attaching and positioning various type light-sources.

Abstract: An eye-safe compact laser simulator for simulating a laser spot on or off axis. The simulator used to test laser range and spot receivers.

Abstract: A lightweight emergency lighting system capable of arrangement into various subjective configurations is provided. A housing member supports a plurality of individual lighting elements mounted on a common semi-rigid bus bar. The upper configuration of the housing members is capable of a directional transmission of light towards a predetermined field angle, while the lower configuration is adaptable for mounting the lighting elements. The upper housing member can have an interior surface of a prismatic configuration to provide a refraction and reflection of light in combination with the exterior surface. The lighting elements, such as L.E.D.'s, can be excited through a pulsing circuit to maximize the light output while conserving power from an auxiliary battery source.

Abstract: A rigid, collapsible light box is disclosed. The light box comprises a back panel having an opening in which a light unit can be mounted, a rear side panel hingedly connected to each side edge of the back panel and a front side panel hingedly connected to each rear side panel. A light diffuser panel is hingedly coupled to the front side panels. The light box is collapsible to a stacked two-layer structure wherein the back panel and rear side panels form one layer and the front side panels and the light diffuser panel form the other layer.

Abstract: An illumination element having a transparent flexible tube and a fine flexible light conducting member accommodated in the tube. The light conducting member is provided with a number of light outlet sections at spaced locations along its length. Light is incident on at least one end of the light conducting member and caused to break through the light outlet sections while propagating through the light conducting member. The light is available for ornamental lighting or the like.

Abstract: A light projector suitable for performance lighting and provided with a means capable of adjusting beam azimuth and elevation from a remote location is provided with an input device locating the operator's finger, hand, or a stylus in two dimensions by non-mechanical means. The azimuth and elevation control means is capable of operation in either an incremental or rate of displacement mode.

Abstract: An electronic flashtube is fixedly mounted to a reflector housing by an elongated elastomeric strap having openings therethrough at opposite ends thereof for engaging respectively the opposite end portions of the flashtube which extend from the reflector housing. The elongated strap extends across the exterior of the reflector housing so as to yieldably bias the flashtube toward that portion of the reflector housing across which the strap extends.

Abstract: In a subminiature multilamp photoflash array having a plastic reflector member formed to provide a plurality of cavities each having a flashlamp therein and a flexible back portion, the electrical leads of the flashlamp pass through the reflector member and are positioned intermediate the flexible portion thereof and a printed circuit on a circuit board affixed to the reflector member.

Abstract: Generator having a light source of high intensity which is passed through colored filters and into fiber optic bundles, the ends of the bundles being moveable relative to a kaleidoscope-type projecting lens.

Abstract: A uniquely configured, constructed photographic light diffuser device for association with a photographic light source, which is versatile in that it is easily and releasably associated with variously configured light sources used in the photographic field, wherein the device is made up of articulated panel segments, the segments having different light reflecting, or diffusing qualities, wherein the diffusing member is easily and releasably associated with the light directing device so as to be able to make up a myriad of difference selected, polygonal configurations to vary lighting patterns and light intensity on photographic objects. The device is light weight and collapsible for ease of carrying and is particularly applicable to the photography field wherein it is desired to achieve and attain various lighting affects.

Abstract: A mounting fixture for supporting up to two electronic flash lamps and a reflective light umbrella on a photographic light stand is disclosed. The fixture includes two orthogonal flash lamp shoe brackets and an integral deflectable locking arm for securing the fixture body to a vertical post of a light stand. A locking bolt passes through coaxial bores in the arm and the fixture body. The locking bolt includes a cylindrical head having a transverse bore for receiving a shaft of a reflective umbrella. A tubular locking collar is interposed on the shaft of the bolt between the fixture body and the head of the locking bolt. The locking collar includes a pair of diametrically opposed semicircular recess cut into its tubular end edge which are alignable with the openings of the bore in the head of the bolt. The locking collar, together with the bolt head, operates to secure an umbrella shaft in place when the bolt is tightened to secure the mounting fixture on a light stand.

Abstract: A stick-on fog light lens, comprising a flexible sheet of amber colored transparent vinyl having a peripheral configuration cut to match that of the headlight of an automobile on which it is to be used, and a method of affixing to the headlight by moistening one side of the flexible vinyl sheet with water, placing the moistened side against the glass lens of the headlight, and pressing out excess moisture and air thereby leaving the flexible sheet fog light lens operably affixed to the headlight.

Abstract: Safety lamp apparatus, suitable for use as a miner's cap lamp, includes a housing body closed at one side by a plastic light transmitting member. A bulb member is yieldably received in the housing body and is operable, when energized, to provide a filament in a state of incandescence for emitting visible radiation. During use of the apparatus in an explosive atmosphere conditions may arise where deformation of the light transmitting member from external impact forces directed thereagainst may drive deformed portions of the light transmitting member against the bulb member with sufficient force to cause bulb breakage and resulting explosion of the atmosphere.In the present invention protective means is provided comprising an arrangement of parts defining an oblique angular relationship between the central longitudinal axis of the bulb member and the impacting surface of the deformed portion of the light transmitting member.