Abstract: A corner lamp is attached to the corner of a room defined by the orthogonal relation of two adjoining walls and the ceiling of a room. The lamp is of tetrahedral configuration and includes a frame comprised of a rectangular central panel and a pair of triangular side panels. The central panel has a light bulb assembly mounted thereon and a triangular lens is mounted on the frame between the triangular side panels.

Abstract: A toilet bowl lighting means comprising an L-shaped body having a light means and a power source means in communication with the light means, the L-shaped body means attached to the underside of a toilet seat positioning the light means on the interior of the toilet bowl, the toilet bowl lighting means having an automatic and manual switching means.

Abstract: A pointer illuminating structure in a measuring instrument. A pointer of the measuring instrument is of a generally elongated structure and transparent. At an intermediate portion thereof, a light inducing section is provided to extend substantially perpendicularly to the generally elongated structure to form a T shape. The pointer has a flat upper surface and lower surfaces extending from about both side of the light inducing section. A reflective material is applied to the lower surfaces. Beneath the upper surface and above levels of the lower surface, cavities laterally extend to open sideways. Said cavities are defined by reflective surfaces. In alternative form, said elongated pointer is formed with a truncated conical portion at the light inducing section. Said truncated conical portion has a truncated conical reflective surface. The reflective material is applied to the side surfaces instead of the lower surface thereof.

Abstract: A lighting fixture, e.g., lamp holder, to allow fluorescent and other non-incandescent lamps to be operated from incandescent sockets or from line voltage, with satisfactory heat dissipation, even at higher wattages. The fixture is structured to cause air to circulate through the holder so as to dissipate heat generated during operation of a lamp in the fixture. A radiative heat dissipator may also be provided to improve cooling still more.

Abstract: An ellipsoidal reflector system concentrating energy utilizing two effects- one being that light passing through one focus of an ellipse will tend to line up with the major axis after each reflection, combined with the other in the properties of ellipses rotated off-axis having one distributed focus and one point focus. After a few reflections light having originally passed through one focus is, for practical purposes, running along the major axis even though the major axis is approached as an asymptote. This energy concentration system would be quite useful as a source of highly collimated light such as would be more practical for field surveying work than, for example, lasers, for optical alignment, and fiber-optic carrier media input. In addition to light some of these ellipsoidal reflector systems for concentration of energy are also effective for ultrasonics and/or shock waves.

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: A light source device for use in a medical apparatus has a turnable or linearly movable member or flange provided in a housing, and an actuator removably attached to the movable flange and carrying two light sources thereon. The actuator has two connector plugs provided thereon which are connected to the two light sources respectively, while the movable member is provided with two corresponding connector sockets. The two connector plugs and the corresponding two connector sockets are coupled and separated together when the actuator and the movable member are coupled and separated together. The device further comprises light conductor means for guiding light from one of the light sources to an object to be illuminated, and switch means connected between a power source and each connector socket. The device is arranged such that one of the two light sources is positioned opposite to the inlet of the light conductor means by moving the movable member coupled with the actuator.

Abstract: The present invention provides a lighting apparatus for strip lighting on floors, walls or the like, which lies flush with the adjacent surfaces or protrudes only slightly therefrom. The lighting apparatus comprises a strip containing electrical conductors in side by side relationship. The conductors are sheathed in insulating material, and individual lighting units make electrical contact therewith in that the units, each carrying a miniature bulb have electrical conduction connector spikes which pierce the insulating sheath and contact the electrical conductors. The individual units can easily be positioned and removed. Each unit comprises a support plate and a miniature light source, and the miniature light source can readily be removed from the support plate and replaced by another. The particular construction simplfies installation and replacement of burnt out light sources.

Abstract: An improved front loading transparency illuminator having a transparency retaining frame with a side wall mounting flange and an open, substantially perpendicular transparency receiving channel. The multipiece frame includes an internal channel for connecting adjacent pieces of the frame to one another prior to assembly onto the illuminator light box. The frame includes an outer open trim channel which has retaining lips to retain decorative inlay trim therein.

Abstract: Apparatus and method for installing and displaying exterior decorative lighting on a roof structure. The apparatus comprises a generally L-shaped bracket having an aperture for receiving a decorative bulb which is then operatively coupled to a socket in a string of decorative lights. The bracket is installed by inserting its base between shingles or other overlapping layers of a roof structure, and is maintained there by frictional engagement until manually removed.

Abstract: A vehicle lamp device for use as a combination tail light or the like in which dark areas in the output light pattern are eliminated and potential bulb heat damage to interior portions is prevented. A lamp body is divided horizontally by a partition plate into upper and lower chambers. A plate-like inner lens covers front and side opening portions of the lamp body and is mounted to slant in the same direction as a covering front lens. The inner lens has integrally formed therewith a covering portion which covers the forward portion of the partition plate.

Abstract: A light emitting element array has light emitting elements disposed on a base plate in an array and a rod-like converging lens is disposed adjacent and parallel to this array. The end surfaces of this rod-like lens are curved, or otherwise so shaped that light beams from the array are refracted towards the center of the lens, thereby increasing the relative distance on a target surface that can be effectively irradiated.

Abstract: A bicycle lamp device comprises a concave reflector (1), and a light source disposed substantially of the focus of said reflector and constituted by the filament (7) of a bulb (5). Said reflector had at least one window (10) in its surface enabling a secondary beam to be emitted from said source, and the device is characterized by the fact that said reflector further includes at least one secondary mirror (9) fixed to the edge (8) of its inside face, and oriented in such a manner as to send rays from said source through said window (10), thereby increasing the solid angle of said secondary beam.

Abstract: An illumination/ventilation system is described wherein the light tube used to support one or more incandescent lamps forms part of the ventilation system itself. The system includes a blower having a forced air outlet with first a conduit connectings the outlet of the blower to an inlet of the light tube. A second conduit connects to an outlet of the light tube to form a circulating air path through which air is forced by the blower to ventilate the light tube. Preferably, the light tube comprises an elongate base member and an elongate light diffuser for supporting the lamps along the light tube. The light tube also includes an elongate track member having a tongue along its entire length which mates which a groove along the length of the base member to secure the track in the base member. Each of the individual lamps is supported in the elongate track member by an adapter track clip which is press-fitted, rather than twisted, into the track.

Abstract: A solar powered illuminated yard maker including a solar powered battery recharging network that recharges a storage battery at a constant rate and can be selectively operated to burn continuously to produce a continuous light or to burn intermittently to provide a flashing light. A solar cell recharges the storage battery in the light when sunlight is impinging upon the solar cell to provide virtually maintenance free and long term operation of the illuminated yard marker during the dark or twilight hours.

Abstract: A solar charging lamp is set forth wherein a twelve-volt direct current lamp is illuminated by means of a wet-cell battery recharged by solar cells integrally secured to said lamp. An optional cord for attachment to an automotive cigarette lighter is available to enable charging of an automotive battery by means of the solar cells or alternatively, illuminate the lamp during continuous overcast conditions from an auxiliary battery source, as in an automoile. A photo-electric eye is operative to automatically illuminate the light in evening hours with an optional infra-red sensor operative to activate by operation in response to physical movement proximate the infra-red sensor.

Abstract: A device for illuminating the side wall of a trailer or other vehicle for use in advertising. A transparent plate is attached to the side wall and covers an opaque coating containing advertising or the like. A light source or plurality of light sources are housed adjacent the vehicle and directed to an edge of the transparent plate which illuminates by internal reflection the opaque coating thus producing a lighted advertising.

Abstract: A headlight mounting device for mounting a headlight of a body of a vehicle such as an automobile and includes between the vehicle body and the headlight a stationary pivot means and two movable pivot means with each pivot means pivotally supports the headlight with respect to the vehicle body, and one of the movable pivot means being movable in the vertical directions and the other movable pivot means being movable in the horizontal directions. The stationary pivot means and the two movable pivot means are arranged generally in a common plane.

Abstract: Lighting system comprising in particular projectors arranged between two low-voltage conductors, to which they are connected in an electrically manner. Each projector comprises a base on which are arranged radially on the longitudinal axis current-carrying bars, which are connected to the conductors by means of supports provided with fixtures.

Abstract: A device for detecting the level of heat generated by a lighting unit utilizing a sleeve possessing an end portion positioned adjacent to the exterior of the housing, an interior portion, and an exterior portion. A thermal protector is positioned at the interior portion of the sleeve at a selected distance from the exterior of the housing. Air is circulated between the exterior portion of the sleeve and the interior portion of the sleeve.