Abstract: A vehicle headlamp has a unit inclination control mechanism for vertically tilting the lamp unit according to the travel conditions of a vehicle, and a luminous intensity variable control mechanism for varying the luminous intensity distribution by moving a component element of the lamp unit according to the travel conditions of the vehicle. Beam emission can be carried out at emission angles with the luminous intensity distribution conforming to the travel conditions of the vehicle by properly combining beam emission control performed by the unit inclination control mechanism and the luminous intensity variable control mechanism. The result is improved visibility of a road surface ahead of the vehicle.

Abstract: A vehicle headlamp of a movable reflector type comprising a lamp body, a reflector having a lamp, and an aiming mechanism disposed between the lamp body and the reflector and structured so as to support the reflector and adjust the angle of the reflector with respect to the lamp body when aiming screws mounted in screw insertion holes of the lamp body are turned; and a portion of each of the aiming screws which is installed in and supported by the screw insertion hole is made of plastic, and annular elastic waterproofing ribs are formed on the plastic portion of the aiming screw so as to be brought into a sliding contact with the inner surface of the screw insertion hole, thus securing a waterproofing capability for the vehicle headlamp.

Abstract: A device for lighting arrangements for a ceiling, includes means providing a light beam above a ceiling, reflector means for intercepting and reflecting light beams and located above the ceiling, means for mounting the reflector means for movement around two orthogonal axes and located above the ceiling, and remote movement means located above the ceiling for moving the reflector means selectively about the two orthogonal axes from a remote location to reflect the light beam to a location below the ceiling. The remote movement means has a control handle located below the ceiling. An arrangement can be provided so that there are a plurality of reflector means aligned to receive the light beam, and all but the last reflector means is a beam splitter.

Abstract: A headlamp adjuster which includes an adjuster output shaft which is engageable with a reflector of a headlamp assembly. The adjuster output shaft extends from a housing, and the headlamp adjuster is configured such that in an overload condition, the adjuster output shaft is prevented from translating substantially axially, thereby reducing the risk of damage resulting from over-travel of the adjustor output shaft.

Abstract: A light generating base includes a motor having a motor shaft with upper and lower portions that project upwardly and downwardly from a motor body. The lower portion of the motor shaft is secured to a stand such that the motor body is rotatable relative to the stand about a vertical axis. A lamp unit is mounted on the upper portion of the motor shaft, and is operable so as to radiate light upwardly. An upright filter supporting member has a lower portion that is secured to the motor body, and an upper portion that projects upwardly beyond the lamp unit. A color filter disk is mounted on the upper portion of the filter supporting member so as to be co-rotatable therewith, and is disposed above the lamp unit and transverse to a light radiating direction of the lamp unit. The color filter disk is formed with a plurality of differently colored angularly displaced light filtering regions.

Abstract: A vehicle headlamp comprising a light source bulb, a reflector, a shade, a beam switching device, and a displacement regulating member. The reflector includes a reflective surface for emitting a predetermined beam forward by reflecting light from said light source bulb. The shade is for shading part of light incident on the reflective surface from said light source bulb. The beam switching device selectively switches beams between low and high beams by moving said shade between two positions where the amount of shielding said shade relative to light incident on said reflective surface has different values. The displacement regulating member regulating the displacement of said shade from one of low- and high-beam forming positions by making contact with said shade while said shade is located in the one of the low- and high-beam forming positions.

Abstract: The present invention comprises a discharge lamp (2) for emitting light; a cold mirror (4), having an opening portion, for reflecting the light emitted from the discharge lamp; a reflecting mirror (10), located on the opening portion side of the cold mirror, for reflecting the light reflected by the cold mirror; a light-shielding drum (6) having a light emission port (8) for emitting the light reflected by the reflecting mirror; a stepping motor 14 for driving the reflecting mirror and the light-shielding drum to rotate about an optical axis of the discharge lamp; rotational angle detecting means (18, 20) for detecting a rotational angle of the reflecting mirror and the light-shielding drum; and control means (40, 46) for controlling, according to the rotational angle detected by the rotational angle detecting means, the rotational driving of the reflecting mirror and the light-shielding drum (6) caused by the stepping motor 14; wherein any of a plurality of irradiation ports is selectively irradiated through

Abstract: A vehicle headlight capable of switching beams between low and high beams by vertically tilting a reflector by a predetermined angle so that upward forward visibility ahead of a vehicle can be secured during high-beam traveling by using a light distribution pattern having a cutoff line as a low-beam light distribution pattern. An upward deflection prism, projecting substantially perpendicularly downward from an upper side of a reflector up to a vicinity of a height position of an upper end edge of the reflective surface of the reflector, is provided in the vicinity of the front of the front end opening of the reflector.

Abstract: A reflector holder is designed to retain a reflector that has a hole in one of its ends. The holder includes a base with a quick-connect connector extending from the base. In one version, the quick-connect connector includes a semi-arcuate flange member that extends from the base. The member has a pair of edges extending between the base and the outward end of the flange member and a mid-portion between the edges. The member also has a concave side and a convex side. A connection post extends from the mid-portion of the concave side of the end of the member away from the base, and terminates in an outward end. A pair of lock ears extend from the outward end of the connection post, with one ear extending toward each of the edges of the flange member. Each lock ear terminates in a locking end that is spaced from one of the edges so as to define a gap between the locking end and edge.

Abstract: A bulb supporting base fixed to a reflector of a vehicle headlamp is provided with a deviation-preventing member having first and second upper and lower resilient strips. The strips resiliently abut against a projection formed on a leg of a movable shade that shades light from the bulb when the movable shade is at either a low beam position or a high beam position.

Abstract: A lighting apparatus capable of dimming lighting units using a discharge lamp in various ways. Each lighting unit includes a metal halide lamp and two spaced shutters arranged in front of the lamp on the optical path of the lamp. A shutter driver selectively opens or closes the shutters for mechanically dimming light issuing from the lamp. Six lighting units are cascaded in a single group. Ballast boxes each are assigned to a particular lighting unit and include a power supply section for feeding electric power to the lamp and a shutter controller for controlling a shutter driver. These structural elements are collectively controlled from a keyboard via a single control box. A command generating section included in the control box transforms a command input on the keyboard to a command for controlling the individual lighting unit. A selector also included in the control box distributes the command to five groups of lighting units.

Abstract: A lamp assembly comprising at least one elongated fluorescent tube and an elongated reflector of trough-like shape having a longitudinal center plane coincident with the longitudinal axis of the fluorescent tube. The shape of the reflector (10) is variable. Adjusting devices (34, 36) at least at one end of the reflector (10) changes the position of the free longitudinal edges (32) of the reflector (10), which forces the shape of the reflector (10) to change also.

Abstract: A diffusing dimmer includes an arm formed of non-transparent material and having a first end and a second end. The first end includes a mounting attachment. An extension portion of light diffusing material is connected to the second end and extends outwardly from the second end to a terminal edge formed in the light diffusing material. A pair of diffusing dimmer arms may be mounted in a light fixture movable toward each other in overlapping relationship to gradually diffuse and eventually block a light beam which projects lighting effects from the fixture. Also, rapid movement of the arms provides a strobing effect.

Abstract: A vehicle headlight designed in such a manner that a tilting member is tiltably supported through an irradiation angle adjusting mechanism by a supporting member is described. A supporting shaft is provided on the upper part or lower part of the tilting member in such a manner that the supporting shaft protrudes horizontally and in a direction perpendicular to an irradiation axis. Bearing members are secured to the supporting member, and stationary fulcrum sections of the irradiation angle adjusting mechanism are formed by rotatably holding the supporting shaft on the bearing members. By operating a distance adjusting member arranged in a movable fulcrum section of the irradiation angle adjusting mechanism, the tilting member may be tilted with the supporting shaft as a tilting fulcrum.

Abstract: A cyclorama light includes a housing having generally opaque rear, bottom and side walls and an open front wall defining a window that extends from a region proximate to the upper end of the rear wall and a region proximate to the front end of the bottom wall and generally extending between the side walls. The housing defines a housing axis generally parallel to the rear and bottom walls and normal to the side walls. An elongate reflector essentially extends between the side walls and is mounted for rotary movements about the housing axis. An elongate lamp having a lamp axis is mounted on the reflector to maintain the lamp axis substantially coextensively with the housing axis, the reflector being configured to direct light generated by the elongate lamp with a predetermined intensity distribution through the window formed in the open front wall in a direction which is a function of the rotational position of the reflector about the housing axis.

Abstract: A reflective mechanism is provided for a stage lamp providing an incident light. The reflective mechanism includes a first motor having a first output shaft rotating about a first axis and a second motor having a second output shaft rotating about a second axis that is parallel to the first axis. A support is drivable by the first output shaft to rotate about the first axis. A barrel includes a reflective mirror device mounted therearound for reflecting the incident light from the stage lamp. The barrel is mounted to the support and rotatable about a third axis that is perpendicular to the first axis. An endless toothed belt and gears are provided for transmitting power from the second output shaft to the support.

Abstract: A stage lighting device has a light source for emitting light and a light modifying element for modifying such light. The light modifying element is coupled to a driven element which is rotationally coupled to a structural member so as to be rotatable about a first axis. The device has a noise-producing motor assembly with an output shaft. A driving element is coupled to the output shaft to be rotationally driven by the output shaft about a second axis. The driving element is coupled to the driven element by an endless loop element so as to rotationally drive the driven element about the first axis. A vibration-isolating mounting structure couples a motor assembly to the structural member and includes surfaces which vibrationally isolate the motor assembly from the structural member to attenuate vibration transferred from the motor assembly to the structural member.

Abstract: A vehicle headlamp is provided with a leveling unit and a mechanical drive type beam switching device having one actuator mechanism. A low beam is switched to a high beam by driving the actuator of the leveling unit so as to tilt a reflector upward by an angle greater than a maximum upwardly-tilted angle at the time of leveling adjustment in order that the actuator may be set for common use. Moreover, a bulb holder is vertically tiltably supported by the reflector and tilted together with the reflector up to the aforementioned maximum upwardly-tilted angle on one hand, and the bulb holder is fixed to the maximum upwardly-tilted angle separately from the reflector by a stopper pin while the reflector may coincide with a high-beam upwardly tilting angle.

Abstract: A light beam projector device having a light source and a reflector arranged to direct the light originating from the light source in such a manner as to form a light beam, said reflector having a curved concave reflecting surface with a geometrical focus where the light source is positioned, at least a first tubular wall made of a material able to filter color from the light and arranged when set in an active position to laterally embrace the light source so as to be traversed by the light before it reaches the reflector, the tubular wall being arranged with its axis substantially coinciding with the axis of the reflector, actuator means for axially moving the tubular wall into an active position or to an inactive position below the reflector where it does not interfere with the radiation emitted by the light source and directed towards the reflector, and to intermediate positions in which only a part of the tubular wall is traversed by the light, and a second tubular wall or tubular wall segment positioned

Abstract: There is disclosed a system that produces patterns or images from a light beam by a series of reflections off of multiple mirrors, these mirrors rotated by motors. The mirrors are positioned with respect to each other and offset at a predetermined angle from a plane perpendicular with respect to the transverse vertical plane extending axially through the respective motors. This positioning creates a path of travel for the light beam that crosses over on itself at least once, allowing for the maximum number of patterns to be produced from a maximum number of mirrors, that are all preferably substantially uniform in their diameter (largest transverse dimension).

Abstract: Architectural luminaries utilize a common optical engine having a lamp coupled to an ellipsoidal reflector, a field stop aperture, and image-projecting lenses A color wheel, gobo wheel, and mechanical dimmer may also be included. A microlens element converts a spotlight optical engine into a wash light optical system. A multiple lens array provides variable diffusion. The optical engine is combined with an X-Y scanning mirror beam direction system in a substantially recessed housing for mounting in the ceiling of a building. The optical engine is combined with a pan-and-tilt yoke for greater range of coverage with an exposed luminaire.

Abstract: The present invention provides a ceiling light composed of a base, a cover, a shade seat, a shade cover, a shade, an adjusting seat and other elements. The base is circle shape and has a recessed section defined therein which holds the shade seat therein. An elongated arcuate hole is defined in the shade with an upper washer and a lower washer. A spring is secured between the lower washer and the recessed section, and the upper washer, shade seat, the lower washer, the spring and the base are held together by a rivet. After the shade cover has been directly fastened on the upper end of the shade, the illumination direction can be changed by pushing the shade cover. Thereby, not only can the illumination direction of the light be easily adjusted to any direction, but also the wires can not be tangled together.

Abstract: A light altering device includes a housing and at least one moveable element coupled to the housing with each of the moveable elements having a light modifying device capable of changing some aspect of a beam of light. A moving control element moves the moveable element(s) relative to the housing between a first stowed position where the light modifying device of the moveable element does not interfere with the beam of light, and a second active position where the light modifying device does interfere with the beam of light. The housing of the light altering device can rotate a lighting effect produced by the moveable element in the second active position. Methods of modifying light with the device are also disclosed.

Abstract: A reflector assembly for reflecting light from a bulb in a luminaire is designed to be mounted within the body of the luminaire between the bulb and the top of the luminaire. The reflector assembly includes a reflector support unit which is configured for mounting within the luminaire body such that it can be adjusted upwardly and downwardly within the luminaire body. The reflector assembly also includes at least one reflector mounted to the support unit. The reflector may be removably and pivotably mounted and may be adjusted to reflect light in a desired manner. The reflector assembly may also include an adjustment mechanism which allows the coordinated adjustment of several reflectors.

Abstract: The headlight has a light source (10) in the form of a gas discharge lamp and a reflector (12) which has a first reflector part (16) and a second reflector part (18). A converging light beam is reflected from the first reflector part (16) and a lens (26) and a stop (22) with an edge (24) for producing a light-dark boundary are arranged in the path of that beam. The second reflector part (18) is arranged above and/or beside the first reflector part (16) and is moveable between a position for low beam light, in which a light beam directed downward is reflected from it, and a position for high beam light, in which a light beam with a greater range is reflected from it. The light reflected by the second reflector part (18) in the position for low beam light can issue from the headlight and contribute to the formation of the low beam or be absorbed inside the headlight.

Abstract: Each horizontal adjuster mechanism used in connection with low beam headlamps must be either non-readjustable after the initial adjustment or equipped with a non-recalibratable vehicle headlamp aiming device (VHAD) which is set to zero when the vehicle leaves the factory. Vehicle manufacturers must either aim the lamps and provide a non-recalibratable VHAD which is properly zeroed or aim the lamps and provide a mechanism to prevent future readjustment. A headlamp adjuster may be rendered non-readjustable after the headlamp has been aimed by snapping down a snap-socket, placing a covering cap over the drive shaft, closing a one-way lid on a drive shaft cover, or by otherwise preventing rotation of the drive shaft.

Abstract: Each horizontal ad juster mechanism used in connection with low beam headlamps must be either non-readjustable after the initial adjustment or equipped with a non-recalibratable vehicle headlamp aiming device (VHAD) which is zeroed when the vehicle leaves the factory. Vehicle manufacturers must either aim the lamps and provide a non-recalibratable VHAD which is properly zeroed or aim the lamps and provide a mechanism to prevent future readjustment. A headlamp adjuster is provided with a non-recalibratable VHAD dial which zeroed after the lamp has been properly aimed and which indicates any subsequent adjustments to the aim of the headlamps.

Abstract: A motor vehicle headlight has a light source, a reflector co-operating with the light source to form a beam of predetermined photometry, a housing which contains the reflector and the lamp that includes the light source, and a cover glass closing the front of the housing. An adjusting device is provided for varying the orientation of the beam by pivoting the reflector about a tilting axis. The lamp is mounted in a fixed position in the casing, and the tilting axis of the reflector passes close to the light source. The adjusting device includes a rotary maneuvering member having a driving spigot which is eccentric to the axis of rotation of the maneuvering member. The spigot is arranged to slide, substantially without clearance, in a slot formed in an element fixed to the reflector. This slot is oriented substantially transversely to the axis of the rotary member and transversely to the direction of displacement of the reflector. The rotary member can be turned freely on itself over more than 360.degree..

Abstract: A control apparatus capable of resetting a shielding wheel of a stepwise light projecting device to a predetermined starting position includes a photosensor, a slotted wheel and a control circuit unit. The device includes a stepping motor, an output shaft which extends outwardly from front and rear lateral walls of the motor, and the shielding wheel fixed to a front end of the shaft. The photosensor includes a phototransmitter and a photoreceiver spaced from the phototransmitter to define a channel therebetween. The slotted wheel is mounted on a rear end of the shaft, and has a circumferential portion that extends into the channel and that is formed with a radial slot to permit transmission of radiant energy from the phototransmitter to the protoreceiver only when the shielding wheel is in the starting position.

Abstract: An improved lighting device generally comprises a bottom housing that has a truncate shape. The top surface of the bottom housing is connected with a supporting bracket that has mounted with a covering lid thereof. The bottom surface of the supporting bracket is provided with a mounting barrel that is connected with a motor supporting bracket. The output shaft of the driving motor is meshed with a pinion by means of a driving block. The pinion is firstly passed through the side hole of the supporting bracket, then it can be meshed with a gear of a positioning post that is disposed within a middle hole of the supporting bracket. The gear is rotationally attached to the positioning post by means of a bearing. The top end of the positioning post is projected over the central hole of the covering lid and is connected with the connector of the bulb socket. Consequently, the top surface of the gear is also projected over the central hole of the covering lid and connected further with the connecting socket.

Abstract: A head lamp for a vehicle wherein an actuator is made to be able to be moved to a leveling actuation range corresponding to output from a vehicle body sensor and to a beam change position B out of a leveling actuation range when a beam changing switch is set to a drive beam position, and if the actuator is moved to the beam change position B at least a part covering a lower half of a discharge lamp of the hood is moved back to switch it from a passing beam state to a drive beam state. The actuator for leveling actuation indispensable to be provided for the head lamp for a vehicle having the discharge lamp as a light source, makes it possible also to switch between the passing beam state and drive beam state, thereby dissolving problems of large size and high cost of the head lamp.

Abstract: The invention modifies light illuminating from a video/film production light system of the type that includes a lamp and fixturing to form a light beam about a substantially fixed direction relative to the fixturing. A mounting frame attaches to the fixturing in a substantially rigid manner, and a rod connects to the frame. A disc having a plurality of light modifying sections is constructed and arranged to rotate about the rod and within the beam such that the beam passes through any one of the sections selectively. Each section has an optical element that modifies the beam and, thereby, the light. The invention also provides a production light, including a lamp for projecting light onto a background scene, a reflector for collecting and directing the light toward the scene, light fixturing for housing the lamp and reflector, a dial for housing a plurality of sections, each section having a light modifying element, and an axle mounted with the fixturing.

Abstract: An apparatus for selective multi-directional illumination of an object, particularly for selective multi-directional imaging of an object, comprises a central mirror selectively rotatable about a central axis for reflecting light arriving along the central axis in selected directions radial to the axis. A plurality of differently tilted mirrors are mounted on an annular member selectively rotatable around the central axis for disposing selected ones of the tilted mirrors in the path of light from the central mirror. The tilted mirrors reflect light onto an object at a direction determined by the angular position of the central mirror and at an angle of elevation determined by the selected tilted mirror. Light reflected from the illuminated object reaches an imaging device along a path retracing the illuminating light whereby the direction of viewing of the imaged object corresponds to the direction of illumination of the object.

Abstract: Overlapping lenses for use in a light fixture provided to project a beam of light in a first beam shape having a first cross-sectional geometry. A first lens device is supported in the fixture and movable into a position to interrupt the beam of light for selecting beam shape by altering the first projected beam shape from the first cross-sectional geometry to a second cross-sectional geometry different from the first geometry. The first lens device includes at least one lenticular lens element having lens lenticules oriented in a first direction. A second lens device, separate from the first device, is supported in the fixture and movable into a position to interrupt the beam of light for selecting beam shape by altering the second projected beam shape from the second cross-sectional geometry to a third cross-sectional geometry different from the first and second geometries.

Abstract: An illumination device for an interior space, such as that of a motor vehicle, for example, has a light source (2) and an opposing reflector system (3) located at a distance across the interior space, wherein the reflector system includes a reflector unit having multiple reflectors (8, 13, 14, 15, 16) each capable of being brought into a position in a beam path (7) of light from the light source (2). The light source (2) can be placed in a center control panel (4) of the motor vehicle, while the reflector system (3) can be placed on a vehicle ceiling located opposite the center control panel (4).

Abstract: An apparatus for generating a beam of light with a perceived beam having constant brightness comprising a flashlight apparatus having a parabolically shaped reflector, and the flashlight apparatus also having a equal-sided rotating hexagon present along the axis of the reflector. The outside surfaces of the hexagon are covered with a mirror-like surface for deflecting the light rays emanating from a light source located at the focus of a reflector in a changing pattern as the hexagon rotates about its axis, which is perpendicular to the reflector axis. The changing light pattern eliminates a dark area of the beam from the flashlight as the changing pattern directs light rays across the dark area as the hexagon rotates.

Abstract: In an automobile headlamp, a light source unit in a lamp body is inclined vertically and horizontally with an aiming mechanism, the rotating operation sections of a vertical aiming screw and a horizontal aiming screw which form the aiming mechanism are provided outside of the lamp body, and the rotating operation sections are turned to incline the light source unit vertically and horizontally. In the automobile headlamp, a protruding wall is extended at least at the horizontal aiming screw in such a manner as to surround the rotating operation section of the horizontal aiming screw, and a part of the protruding wall extending end portion is integrated through a thin hinge with a lid, namely, a tongue-shaped plate in such a manner that the latter is extended in the same direction as the protruding wall.

Abstract: Basic vertical and horizontal adjustment of a light beam (9) of a headlight are carried out with respect to a longitudinal axis (5) of the headlight by vertical (6) and horizontal (7) displacement of a lens (4) relative to a light source (2) and a reflector (1).

Abstract: A highly compact, light weight automated luminaire is disclosed having a head unit mounted on a support structure which provides pan and tilt of the head unit. The latter includes beam controlling optics providing precise control over beam parameters including color. Groups of the instruments are remotely controlled from a digital controller such as a PC connected by cable or a wireless link to the instruments. The lights each include processors for processing comands from the digital controller. By reason of its light weight and compactness, the luminaire is suitable for many applications barred to conventional automated lighting fixtures.

Abstract: An emergency vehicle signal light adapted to be mounted on an emergency vehicle. A light source emits visible light for illuminating a reflector. A light pipe having one end associated with the light source has its second end associated with a diverter for diverting substantially all light transmitted by the light pipe toward the reflector. The reflector is adapted to reflect the diverted light transmitted by the light pipe for observance by an observer remote from the emergency vehicle. A motion driver may be provided for rotating or oscillating the reflector about the diverter. As a result, an observer is adapted to observe discrete flashes of light resulting from flashing, rotation or oscillation, each flash corresponding to diverted reflected light forming a beam. For oscillating or rotating modules, the beam traverses across the position of the observer in response to the rotational or oscillatory motion. Alternatively, such modules may be used as part of a light bar.

Abstract: A luminaire for a fluorescent bulb having a support unit for a fluorescent bulb which is movable to be adjustably positioned with respect to the opening to narrow or broaden the width of the beam of light emitted. The support unit has pairs of pivotable reflectors and adjustment mechanism for positioning the angle of the reflectors to reflect light in the desired manner. The adjustment mechanism includes pivotable mounts having gears wheels which are turned by a worm gear on an adjustment rod. The movable reflectors can be interchanged to present different surface contours and spectral coatings.

Abstract: Apparatus for obtaining a desired tint comprising light colouring means in the form of a cylinder having a number of different regions of respective different colours forming a ring around the axis of the cylinder, and region which is neutral as regards colour, which forms a ring around the axis of the cylinder, and which is adjacent to all the coloured regions. A light source directs light towards the cylinder, an aperture defining a selected region of the cylinder which affects the light which creates the desired tint. First movement control means are operable to effect rotation of the cylinder about its axis to effect a change in the hue of the tint without changing the saturation thereof, and said second movement control means are operable to effect axial movement of the cylinder to effect a change in the saturation in the tint without changing the hue thereof.

Abstract: An emergency lighting fixture which is recessed within a wall or ceiling is disclosed. The emergency lighting fixture is contained within a housing which is installed into a cavity within the wall or ceiling. During the normal operation of the primary lighting system the emergency lighting fixture remains concealed by a panel which is flush with the wall or ceiling. The panel is attached to the housing by hinges and has a mirrored rear surface. Located within the housing is a high intensity halogen lamp and a solenoid piston assembly. Upon the failure of the primary lighting system the solenoid actuates the arm of the piston opening the panel which activates the halogen lamp. The halogen lamp produces a high intensity beam of light which is reflected by the mirrored rear surface of the panel illuminating the desired area.

Abstract: A device as disclosed for automatically adjusting the brightness of a brake lamp which has a bulb mounted to the central portion of a reflector and a lens attached to the outer edges of the reflector. The device includes a hinge pin transversely mounted to the inside surface of the lens and a plate hinged to said pin, said plate having a curved shape corresponding to the inside surface of the lens and a plurality of holes, and adapted for normally closing the upper portion of the lens and selectively opening the lens with an inertia force acting on an automobile. Also, the device further comprises a weight mounted to the upper end of the plate for selectively opening the plate so as to increase the brightness of the brake lamp and an elastic member mounted to the hinge pin for normally biasing the plate so as to elastically return the plate to its original position.

Abstract: Apparatus for providing a visual indication of the horizontal and vertical orientation of a movable component of a headlamp assembly wherein said headlamp assembly is of the general type including a stationary housing and a movable reflector component, said movable component being pivoted to the stationary housing for movement in the vertical and horizontal plane by means of a stationary universal pivot and a vertical adjust mechanism vertically spaced from said stationary pivot and including a universal pivotal mounting to said movable component, and a horizontal adjust mechanism horizontally spaced from said stationary pivot and including a universal pivot effecting operative connection to said movable reflector component. The stationary universal pivot and said horizontal pivot define the vertical pivot axis for said component. Further said stationary universal pivot and the horizontal adjust pivot in effect defining a vertical pivot axis about which said movable component is pivoted in the vertical plane.

Abstract: A high intensity light projector for stage, architectural and similar applications includes a controllable image quality projection gate providing advanced visual effects. The projection gate, capable of selectively scattering or transmitting incident light, may be constructed of an array of scattering liquid crystal material in combination with infrared and ultraviolet reduction means which provide in the high intensity beam, a stable thermal environment by minimizing the absorption of light by the projection gate. Additional thermal efficiency is provided by supplemental cooling means. Color control is also provided in the form of dichroic filter wheels forming cooperating adjustable low, high and band width filters including saturation control. A color measuring feedback sensor is also provided. An intensity measuring feedback sensor controls a spatially-modulated, variable-density, reflectively-coated dimming wheel. A programmable gobo system has provisions for gobo selection, orientation, and rotation.

Abstract: A gobo handling apparatus for use in a spotlight is disclosed. The spotlight has a housing supporting a light source producing a light beam and supporting at least one focusing lens. The spotlight includes an iris slot through the housing proximate the focal plane of the light beam. The apparatus of the invention comprises an elongated gobo housing removably inserted in the slot. The gobo housing has a central axis and an aperture therethrough for passage of the light beam in a direction normal to the gobo housing axis. The housing has a plurality of generally disk shaped gobo carriers each supporting a gobo, arranged side by side and movably contained within the housing. A drive mechanism contained within the housing operatively engages each of said plurality of gobo carriers for independently translating the gobo members along the housing axis into and out of the spotlight beam and rotating the gobo carrier in the spotlight beam in response to a remote control signal.

Abstract: A ceiling ornament system for a ceiling mounted light arrangement includes a flat parabolically shaped non-translucent sheet assembly fixedly or rotatably supported from the ceiling. The light arrangement is formed by an array of horizontally disposed lighting fixtures, each of which has a base depending directly from the bottom of the ceiling. The sheet assembly has holes, preferably arranged in a celestial pattern, which transmit light from the light arrangement through the sheet assembly.

Abstract: In accordance with the present invention an improved forensic light source comprising a source of light and support structure for supporting the source of light is provided. A light guide having first and second ends is coupled to the source of light at the first end to receive light from the source of light and transmit the light to the second end. The light guide is mounted on the support structure. A filter support member supports a plurality of filters. A movable light directing assembly is mounted on the second end of the light guide for movably supporting the filter support member for movement to a plurality of positions. Each of the positions corresponds to the coupling of a selected one of the filters to the second end, whereby the light is filtered by the selected filter. A heat sink may be coupled to the first end of the light guide.

Abstract: A light bar is provided for mounting to a roof of an emergency vehicle such that the signalling devices comprising the light bar are distributed across the roof to form a non-linear pattern. A dome assembly covers the signalling devices and also forms a non-linear pattern traversing the roof. The light bar provides for enhanced visibility at angles approaching 90.degree. to the heading of the vehicle. Moreover, the non-linear pattern of the signalling devices allows the light bar to provide a signalling pattern whose warning effect can be alternatively directionalized into different distinct zones about the vehicle. In a preferred embodiment, each of the signalling devices is contained in a module comprising a base and a dome such that enhanced transmittance of light is provided at angles approaching 90.degree. from the heading of the vehicle.