Abstract: A lighting system for an interior of a building and the like includes a means (30) for collecting and converting sunlight into concentrated light. The collecting means (30) is optically coupled, preferably by way of optical joint (43), coupling means (44), and optical joint (45), to a channelling means (46), such as an optical cable, so that the concentrated light passes to the channelling means (46) and is channelled to a light emitting fitting for the interior of the building and the like.

Abstract: A tail lamp assembly for an automotive vehicle includes a remote laser light source coupled with a light transmitting fiber optic light pipe which illuminates a unitary thin sheet optic having an input section, a manifold section, and a kicker section.

Abstract: Disclosed herein is a light unit for narrow hallways A reflector housing is provided to project light from a vertically extending bulb in an indirect manner, so as to provide a substantially laterally extending light pattern. The reflector has internal reflecting surface surrounding the longitudinal axis of the bulb.

Abstract: An apparatus and method of lighting which produces light of highly controlled nature and which makes sufficient use of the light including a light source, a primary reflector placed directly at or near the light source and a secondary reflector which receives light from light source and from the primary reflector and directs it to a target area.

Abstract: An LED-array light source comprises an LED-array and a light-transmitting member disposed thereon. The light-transmitting member has a pair of opposed major surface for receiving and emitting output light emitted from the LED-array. A plurality of a first reflectors are formed on a light emitting surface of the light-transmitting member so as to partially reflect the output light toward a light-receiving surface of the light-transmitting member. A second light reflector is provided on the light receiving surface of the light-transmitting member so as to rereflect the light reflected from the first reflector to the emitting surface and thereby guiding the output light from the LED-array to an intermediate area between adjacent LEDs. Thus, it is possible to obtain a uniform linear light source with small number of LEDs.

Abstract: A parallel light generating apparatus uses two arrayed mirrors. The apparatus includes a parabolic mirror, a lamp located at the focal point of the parabolic mirror, and first and second arrayed mirrors disposed in parallel, each of which is divided into plural portions, with each portion being divided again into parts. A panel is situated between the arrayed mirrors and has a plurality of holes corresponding to each portion of both mirrors, for blocking non-parallel light.

Abstract: A lighting apparatus comprises a light source (12) and light reflecting surfaces from the source to the surrounding environment. One light reflecting surface (10) distributes light at least partly over a second light reflecting surface (11). The first surface (10) reflects the light rays striking thereon substantially towards regions of the second surface (11) receiving the rays directly from the source with an angle of incidence not greater than 20.degree., preferentially not greater than 12.degree. and most preferentially of 10.degree.. Advantageously, the second surface (11) is of generally semicircular plan with a substantially diametrical edge and exhibits a radial cavity (29) in the form of a triangular pyramid the base of which is directed towards the light source.

Abstract: A variable light modifier provides rapid beam deflection and flipping with a minimum of noise, power consumption and heat generation. In one embodiment of the invention, a dual-sided reflector is pivotable along orthogonal axes by pan and tilt mechanisms. The pan and tilt mechanisms are driven by pan and tilt motors, one or both of which remain stationary with respect to the yoke. The variable light modifier can be used to deflect light beams generated by one or more light sources and can reflect the light from one or both reflective surfaces of the reflector.

Abstract: The present invention is directed to a method of simulating a pseudosun using a solar simulator. In the present invention the collector and lens of a lamp are designed to properly focus a plurality of light beams onto a segmented turning mirror. The path of light rays are traced from the lamp to the collector and then finally to the lens to control the solid and tangential magnification of the solar simulator. The segmented turning mirror is located at the focal point of the light beam and redirects the light into a vacuum chamber.

Abstract: A lighting system for an interior of a building includes a device for collecting and converting sunlight into concentrated light consisting of a stack of fluorescent sheets. The collecting device is optically coupled, preferably by way of an optical joint to a channelling member such as an optical cable, so that the concentrated light passes to the channelling member and is channelled to a light emitting fitting for the interior of the building. The channelling members are formed such that their cross-sectional shape changes from the cross-section of the collecting device to the cross-section of the channelling members with an approximately constant cross-sectional area being maintained throughout the change of cross-sectional shape, whereby the coupling device is an optical joint created by a medium having a refractive index close to that of the collecting device and channelling members.

Abstract: A multiple element reflector usable with an elongated light source in a strobe unit provides wide fields of view in both horizontal and vertical directions when the unit is mounted on a wall. The reflector includes a first, elongated, curved reflector element which extends generally parallel to the elongated light source. At least second and third centrally located reflector elements extend between the first reflector element and the light source. The first reflector element provides illumination generally in horizontal and vertical directions perpendicular to the elongated source. The second and third centrally located reflector elements provide illumination in a direction generally along the elongated source.

Abstract: A strobe device is provided, including a light source and a reflector which reflects part of the light emitted from the light source. The reflector is provided with a reflecting surface that is shaped to form virtual images of the light source behind the reflecting surface.

Abstract: A multiple element reflector usable with an elongated light source in a strobe unit provides wide fields of view in both horizontal and vertical directions when the unit is mounted on a wall. The reflector includes a first, elongated, curved reflector element which extends generally parallel to the elongated light source. At least second and third centrally located reflector elements extend between the first reflector element and the light source. The first reflector element provides illumination generally in horizontal and vertical directions perpendicular to the elongated source. The second and third centrally located reflector elements provide illumination in a direction generally along the elongated source.

Abstract: A linear light source for a film scanner includes an elongated light integrating cavity, formed within a light integrator, having diffusely reflective walls. Light is introduced into the cavity through an input port, and an output scan line of diffuse light is produced through an exit slit which is generally parallel to the longitudinal axis of the integrating cavity. The scan line of light is directed on film to be scanned in a stripe of illumination. The scan line of the illuminated film stripe is imaged onto a tri-linear CCD array for conversion of color intensity modulated pixels into scan line data sets. The linear light beam is reflected from a source region within the integrating cavity visible through the exit slit. In order to make the brightness profile of the linear light beam more uniform and avoid position dependent signal level drop outs, sharp angle joints in the source region are replaced by arcuate sections.

Abstract: A light fitting, preferably intended to be embedded in the surfacing of a runway, includes a light source (2) with a reflector (1) as well as a limiting light opening in the field of light. A mirror device is arranged for reflecting a part of the field of light (4) back towards the reflector (1) for sending this light through the light opening (3) after further reflection.

Abstract: A panoramic lens-fitted photographic film package with a flash unit. A charge switch of the flash unit is actuated by depressing or sliding a charge switch plate which is formed in one of a pair of grips disposed on the front wall of the film package. A synchro-flash switch of the flash unit includes first and second contact segments extending parallel to each other toward a between-lens-shutter mechanism. The first contact segment is depressed by an arm portion formed integrally on a connecting lever of the shutter mechanism when the connecting lever is struck by an actuating lever to move a shutter blade to open an exposure opening, upon a shutter release operation being effected. The depressed first contact segment is brought into contact with the second contact segment, thereby outputting a synchro-flash signal. A light projector of the flash unit has a discharge tube, a reflector and a diffusion plate.

Abstract: Disclosed is a vehicular headlamp, which has a reflecting surface curved outward, a lens covering the front of the reflecting surface and a filament disposed at a predetermined position at the reflecting surface, whereby the light emitted from the filament is reflected at the reflecting surface to irradiate a low beam. This headlamp further has an auxiliary reflecting surface provided at a position out of the region which extends from the filament and covers the effective reflecting surface of the reflecting surface. The auxiliary reflecting surface is positioned substantially horizontal and substantially parallel to the irradiation direction. The vehicular headlamp with the above structure can therefore produce beams to illuminate overhead signs from the light reflected at the auxiliary reflecting surface while emitting no dazzling light to an approaching vehicle from the auxiliary reflecting surface. Further, this headlamp does not deteriorate the designability of the lens.

Abstract: A luminaire has at least four reflectors which may be individually pivoted about an axis provided by a screw that the distribution of light emitted by a lamp located within the envelope of the reflectors may be altered and fixed to suit the environment that the luminaire is to illuminate.

Abstract: A method and apparatus for improving the accuracy of the simulation of sunlight reaching the earth's surface includes a relatively small heated chamber having an optical inlet and an optical outlet, the chamber having a cavity that can be filled with a heated stream of CO.sub.2 and water vapor. A simulated beam comprising infrared and near infrared light can be directed through the chamber cavity containing the CO.sub.2 and water vapor, whereby the spectral characteristics of the beam are altered so that the output beam from the chamber contains wavelength bands that accurately replicate atmospheric absorption of solar energy due to atmospheric CO.sub.2 and moisture.

Abstract: A magnetic utility lamp has a housing that is polyhedral or prismatic in shape (having a member of flat faces), a handle, and a hook, all of which are magnetized. The magnetization of the combined housing, handle and hook is preferably done in such a way as to make one common magnetic polarity extending along the major axis of the lamp. In another embodiment, an even number of magnetic polarities may be made, alternating in the senses of their magnetic poles. The combination of polyhedral shape and magnetization provides versatile positioning of the lamp. Within the magnetic housing is a unique polyhedral reflector, which is easily re-oriented by the user to direct light from the lamp bulb in a desired direction. The interior surface of the utility lamp housing is adapted to hold the polyhedral reflector adjustably in a number of discrete aiming directions.

Abstract: A projection headlamp system is capable of projecting a wide spread controlled pattern of light for accommodating low and high beam illuminations. The projection headlamp system includes a curved reflector and a gas discharge lamp. The curved reflector has first and second optical focal points associated therewith positioned along an optical axis. The first focal point is within and closer to the curved reflector than the second focal point which is spaced from the reflector. The lamp is disposed within the curved reflector at the first focal point thereof and along the optical axis. The lamp is operable for generating light. The curved reflector is operable for receiving a substantial portion of the light generated by the lamp and for directing the light along the optical axis toward the second focal point thereof.

Abstract: A highly controllable way to light target areas includes primary reflector which generates a defined primary beam in association with a light source. The primary beam, or at least a portion of the primary beam, is directed onto a secondary reflector which generates a secondary beam to the target space. The secondary reflector can be configured in any number of contours, shapes, specularities, or other characteristics to alter and control the characteristics of the secondary beam.

Abstract: A visual signaling device which has a horizontally extending lamp which is connected to an electrical housing and which is surrounded by a reflector body. The reflector body has a pair of oppositely extending horizontal parabolic troughs and a downwardly extending horizontal trough. Each trough has an input opening adjacent the lamp, an output end opening, and a front opening. Each trough is defined by a generally planar back wall and a pair of opposed side walls. Each side wall is horizontal from the back wall to the front opening and parabolic relative to the central longitudinal axis of the lamp from the input opening to the output end opening. In a second embodiment of the invention, the reflector has an upwardly extending parabolic trough.

Abstract: A housing for a tubular lamp having a generally rectangular configuration with parallel side walls and end walls forming a box with an open top and bottom. The side walls provide a channel at a bottom end and an inwardly directed flange at a top end along their length. A V-shaped reflector having straight segments with horizontally turned end portions is resiliently inserted against each side wall where one of the horizontally turned end portions presses against the inwardly directed top flange and the opposite end portion of the reflector fits into the channel. The invention provides for quick assembly and change-out of reflectors depending on conditions.

Abstract: A highly controllable way to light target areas includes a primary reflector which generates a defined primary beam in association with a light source. The primary beam, or at least a portion of the primary beam, is directed onto a secondary reflector which generates a secondary beam to the target space. The secondary reflector can be configured in any number of contours, shapes, specularities, or other characteristics to alter and control the characteristics of the secondary beam.Various options, alternatives, and features are possible with the invention. For example, a plurality of light sources and primary reflectors can be used with one secondary reflector. The surface of the secondary reflector can be corrugated to have alternating segments to direct light in different directions. A combination of light source, primary reflector, and secondary reflector can also be positioned on a moveable base.

Abstract: An improved lighting apparatus for providing uniform illumination to the surface of an object, primarily surfaces with data in code or alphanumeric format, includes an area diffused light source mounted interior to a light-shielding canopy. The area diffused light source includes at least one electroluminiscent panel. The light-shielding canopy blocks out external sources of light, and has an interior surface that reflects light emitted by the electroluminiscent panel. In operation, the light-shielding canopy completely covers the surface of an object while diffuse, uniform light emanating directly from the electroluminiscent panel or reflected off the interior surface of the light-shielding canopy illuminates the surface of the object.

Abstract: An asymmetric luminaire for illuminating large outdoor areas, such as an athletic field, wherein glare and light spillage is minimized and controlled. The luminaire includes a reflecting surface of a generally parabolic configuration, and an arc light source is located within the luminaire, the length of the light source being disposed at approximately 45.degree. with respect to the parabolic axis. A visor is used at the peripheral rim of the luminaire to control vertical and lateral light spillage, and the visor includes light source shields to prevent vertical spillage from the upper region of the luminaire. The luminaire reflecting surface includes a plurality of elliptical light reflecting ridges for restricting the near light beam height, and the upper portion of the reflecting surface can include substantially conical concentric light reflecting flute surfaces for accurately directing the light to target locations remote from the luminaire.

Abstract: An optical concentrator increases the power density from diffuse optical energy remitted by an optically diffusing surface by at least partially recollimating the diffuse optical energy. The concentrator includes an optical diffuser element illuminated at a first point by optical input energy and remitting incident optical energy. A reflective element has a reflective surface with a concentration point located at the first point and the reflective surface reflects diffuse optical energy incident on it from the diffuser element. At least one aperture is provided for the transmission of an output beam formed by a portion of the diffuse optical energy from at least the diffuser element.

Abstract: A glare-reducing light source, useful as an automobile headlight featuring a conventional horizontal collimated light beam. The entire collimated light beam is reflected by set of reflective slats. The reflected light is then reflected again by a single reflector onto a second set of reflective slats which directs the light to the desired location in front of the automobile headlights. The headlight is designed so that no light is able to leave the headlight at an angle which will allow light to impinge the eyes of the driver of an oncoming car.

Abstract: A lighting fixture for illuminating hanging works of art has an enlarged reflector with a planar front section extending at a carefully chosen angle. A curved portion of the reflector has a large enough radius to permit the use of a compact fluorescent bulb with a separate or self-contained ballast. The fluorescent bulb preferably emits light in the daylight color temperature range. With the compact fluorescent bulb and the planar front section, an increased number of lumens are uniformly distributed over the object to be illuminated. The reflector is optionally provided with different types of reflective material to alter the quality of the light reflected and the reflector may be specially adapted to accept a number of different reflective materials.

Abstract: A portable light fixture which illuminates the volume of water in a swimming pool has the light source and all attendance electrical hardware mounted above the water's surface to avoid the normal measures required to waterproof the light. Light is projected downward into the water through a light shaft which hangs over the edge of the pool and extends down below the water line. The shaft and light element enclosure is opaque. Light travels down the light shaft, traverses the air/water boundary and then exits the light shaft below the water line to a reflective light diffuser suspended within or directly below the shaft exit. The light diffuser spreads the beam away from the pool wall by reflecting the vertical rays exiting the light shaft into a diffuse horizontal beam which then propagates throughout the swimming pool.

Abstract: A pyramidal signal light includes a translucent base panel and triangular side panels having reflective interior surfaces, with each of the translucent panels having at their intersection adjacent panels and an array of light members. In this manner, reflective illumination within the structure projected exteriorly thereof is visible in a unique projection of illumination.

Abstract: A vehicular headlight having a low height-to-width ratio includes a plurality of collimating lenses. The collimated light output from certain ones of the lenses is redirected into the forward direction by separate sets of reflectors associated with the respective lenses. Means are provided to impose a desired light pattern on the forward-directed light outputs.

Abstract: A light sculpture device, and more specifically, an article of furniture which displays light patterns, includes a box-like enclosure mounted on a hollow base. The enclosure includes a plurality of planar mirrored panels joined together at right angles to form a substantially rectangular structure in such that the reflective surfaces are directed interiorly of the enclosure. At least one of the planar mirrored panels is translucent to permit an observer to view inside of the enclosure. A plurality of lights are secured to the hollow base which emit light within the enclosure. The light pattern is produced by the light source along with the reflections of the light source produced on the reflective surfaces. This light pattern is viewed through the translucent planar mirrored panel. The light source can be but is not limited to a plurality of incandescent sources, low voltage sources, light emitting diodes, or even a visual display.

Abstract: A linear light source for a film scanner is disclosed which includes an elongated light integrating cavity having diffusely reflective walls. Light is introduced into the cavity through an input port, and an output beam of diffuse illumination is produced through a slot which is generally parallel to the longitudinal axis of the integrating cavity. In order to provide a light source which can produce a beam of a desired angular distribution, plates are positioned adjacent the exit slot of the cavity to form channels through which the light exits.

Abstract: The LED array of this invention is constructed of a printed circuit board, a plurality of LED chips disposed linearly on the printed circuit board, each LED chip being capable of radiating a light beam, and a reflection member for reflecting the light beam from the LED chips and guiding the light beam outward of the LED array in the main illumination direction generally parallel to the surface of the board.

Abstract: A soft light having a housing with a front opening and a hinged upper portion, a light source arranged in a lower frontal position in the housing, an internal reflector for direction light from the light source toward a rear portion of the housing opposite the front opening, and a rear reflector removably mounted in the housing so as to reflect the light from the light source and the internal reflector out of the front opening of the housing.

Abstract: A linear light source for a film scanner is disclosed which includes an elongated light integrating cavity having diffusely reflective walls. Light is introduced into the cavity through an input port, and an output beam of diffuse illumination is produced through a slot which is generally parallel to the longitudinal axis of the integrating cavity. A baffle is disposed in the cavity along the longitudinal axis to prevent light from passing directly from the input port to the output slot. In order to provide a light source which can be positioned closely adjacent the film in a film scanner, the surfaces of the integrating cavity walls adjacent the output slot are generally linear and are disposed at an angle to the optical axis of the output beam.

Abstract: A headlamp having minimal glare, composed of a housing having preferably a non-reflective interior, an electric bulb located within the housing and a simple convex lens mounted to the housing and through which external illumination is provided. For purposes of incrementing the illumination output, a flat mirror is placed rearwardly of the electric bulb. According to this structural configuration, no concentrated beams of light are created, and illumination is pleasingly uniform and of minimal glare.

Abstract: A lighting fixture of the wall wash type and being parabolic in cross-section is disclosed which has interchangeable reflector elements for directing light in any desired direction together with snap-in quickly interchangeable lighting fixtures to provide for the use of fluorescent lighting, tracking lighting, incandescent lighting or the like. The lighting fixtures are adaptable to be "ganged" together seriatim in any number needed to provide for the fixture to be of any desired length. Unique power transfer means are provided to provide for electrically connecting the joined lighting fixtures.

Abstract: The invention pertains to a stroboscopic timing light for use with internal combustion engines. The reflector assembly is designed to increase the proportion of light from a flash tube that becomes part of a focused light beam. The reflector assembly comprises a pair of angled reflectors or series of reflectors forming a frusto-pyramid-like structure which reflects an array of images of a flash lamp. These images reflect the substantial portion of the light from the flash lamp while providing a cost effective and relatively inexpensive reflector assembly.

Abstract: An optical radiation projector includes a reflector having at least two facing reflective surfaces, dimensioned and positioned with respect to each other and a radiation source to satisfy a selected set of dimensional relationships and which further comprises one fraction of a rear reflective part having at least one meridian section of circular arc shape centered axially forward of the radiation source so that the reflected radiation has a point of convergence situated forward of the outermost part of the source and for which the reflected radiation will have a substantially homogeneous distribution on a plane of utilization.

Abstract: A luminaire for high intensity indirect lighting providing a horizontally symmetrical light distribution with peak candle power at low angles is disclosed. The luminaire includes an inner light directing member nested in spaced relation within a generally dome-shaped outer translucent member. The inner light directing member includes means for directing the majority of light emitted by an axially located vertical light source out of the upwardly facing open end of the light directing member after no more than one reflection, and means for illuminating the outer translucent member to a substantially homogenious brightness level comparable to that of the surrounding ceiling.

Abstract: A beam steering mechanism for deflecting a light beam along any selected azimuth and elevational direction. The beam is movable without limitation about a pan axis and through a range of 180 degrees about a tilt axis, by drive motors that are rigidly mounted to a housing and are not bodily moved with the light beam. Movement about the pan axis is effected by rotation of a first mirror mounted in a first rotatable cylinder. Movement about the tilt axis is effected by rotation of a second mirror mounted in a second cylinder that is panned with the first cylinder and is itself mounted for rotation about the tilt axis.

Abstract: A hollow ornament having a front wall and a back wall, the back wall and front wall being peripherally coextensive, joined at selected peripheral locations and providing peripheral apertures between the locations of joinder, at least the inner surfaces of the front and rear walls being light reflective, a light source within the ornament and means mounted the light source.

Abstract: The disclosed stage lighting apparatus includes a constant-direction beam forming unit and an adjustable beam redirector for aiming the beam at a wide range of locations varying in azimuth and elevation, and programmable remote-control equipment for the various adjustments of the beam-forming unit and the beam redirector.

Abstract: A light beam intensifier (10) having a paraboloidal reflector (12) a mirror (14) a single light tube (16) and window (18). The mirror (14) is placed forward of the forcal point f of the reflector (12) and has the light tube (16) affixed thereto to be positioned coincident with the focal point f. As the light tube (16) is energized, light rays (52) emanating directly therefrom are reflected from the parabolic reflector (12) to form a first beam path and the forward shining light rays (54) are reflected from the reflective surface (34) of the mirror (14) to be reflected off the paraboloidal reflector (12) to form a composite light beam path (56) having a predetermined pattern.

Abstract: An illumination device for use in a slit exposure system for illuminating a document located on a document table. The illumination device has a light source with an elongated shape and a reflector surrounding a portion of the periphery of the light source and designed to reflect a light emitted from the light source toward the document. The reflector has a plurality of cylindrical reflecting surfaces. Each of the surfaces is designed to reflect while collimating a light virtually emitted from a linear area to be illuminated on the document table toward the light source, assuming that a line from which the light is emitted is located on the linear area.

Abstract: An apparatus is described for exposing a coating of a UV-curable material on a filamentary body to ultraviolet light. Use is made of a bright UV-light source, for example a high-pressure mercury lamp with a small radiating surface, an elongate image of said source being formed at the location of the filamentary body by means of an optical system which preferably comprises mirrors.

Abstract: A decorative light with rotating reflecting disc is disclosed which includes a mounting base and a translucent dome secured upon the base. A plurality of sockets with lamps are mounted in the base beneath the dome and each socket can contain a lamp of different color. A motor is concentrically secured in the base to rotate a circular reflector below the lamps to reflect light rays from the lamps upwardly against the undersurface of the translucent dome. The surface of the circular reflector is covered with a crinkled or otherwise bent "Milar" sheet to form a great multitude of small, angularly offset reflecting surfaces so that a unique, colored, reflected, light pattern is projected upon the underside of the dome by the rotating reflector.