Abstract: A control of gobos defend by records in the gobo. The gobos are formed by menued shapes.

Abstract: A remote control support tower having a support frame secured to a rotatable platform or adjustable height stand and an optical wave guide system wherein the optical wave guide system comprises at least one optical wave guide that receives remote control signals along one path and redirects or retransmits the signals along a second path in the direction of electronic equipment being controlled. The remote control support tower may also include a lamp fixture. In an alternative embodiment, the remote control tower includes a height adjustable stand, a bracket rotatably connected to the stand, a remote control holder unit rotatably mounted to the bracket and remote control clamp/clip for mounting the remote control to the holder.

Abstract: An illumination tool for projecting a light beam through a transparent structure that has a portion of the tool detachably securable via a vacuum seal mechanism that engages the transparent structure. A lighting mechanism is electrically attached to the illumination tool and is positioned in contact with the transparent structure via a soft seal positioned about the lighting mechanism. The lighting mechanism may, if desired, be manually activated and deactivated i.e., the illumination tool turned on or off. If desired, the illumination tool may be remotely operated by a user depressing a remote operating switch and a radio signal is communicated to the illumination tool. The remote actuator may also be hardwire connected to the illumination tool. Further, if desired the lighting mechanism may be illuminated via strobe light, a continuous or flashing beam of light.

Abstract: A moveable, adjustable lighting system for use in television/movie sets and locations, and other similar indoor/outdoor applications comprises at least one horizontal framework that is disposed on a plurality of vertical members in such a way as to allow the horizontal and vertical dimensions of the system, as well as the individual lights and fixtures within the system to be adjusted and adapted to the requirements of a specific set. Lights, lighting fixtures, and other similar fixtures are connected in such a way as to enable them and/or the dimensions of the system to be remotely controlled. The vertical members are equipped with moving means, such as rollers, that allow the entire rig to be moved from one set to another. The system suggests and embodies an “assembly-line production” process in which sets are separately constructed to allow the rig to move between and among them.

Abstract: An addressable system for light fixtures is described wherein a plurality of light fixture modules is individually or collectively addressable for programming by remote control. The remote control may individually select each of the track control modules through visible and narrowly defined selected light followed by transmission of programming commands for programming of pre-defined scenes, functions or other user defined and desired effects. Each of the track fixture modules may be selected or de-selected through the use of laser light and a plurality of track control modules may be collectively programmed through the use of a track repeater module, all of the modules communicatively connected to each other and selectable by a visible narrow light source such that the user may readily activate or de-activate programming sequences.

Abstract: An addressable light fixture is described wherein a light fixture module is individually addressable for programming by remote control. The remote control may individually select each light fixture module through visible and narrowly defined selected light followed by transmission of programming commands for programming of pre-defined scenes, functions or other user defined and desired effects. Each of the fixture modules may be selected or de-selected through the use of laser light and a plurality of track control modules may be collectively programmed through the use of a repeater module, all of the modules communicatively connected to each other and selectable by a visible narrow light source such that the user may readily activate or de-activate programming sequences.

Abstract: A stage lighting apparatus is disclosed comprised of a lamp housing. The lamp housing is comprised of a lamp and a first light valve. The stage lighting apparatus is also comprised of a first set of first image data. The first set of first image data is comprised of a first set of first separate color data for operation of a first separate colored image and a second set of second separate color data for operation of a second separate colored image. A swap function is applied to the first set of first image data to allow operation of the second separate colored image as determined by the first separate color data.

Abstract: A movable barrier operator (10) can control a plurality of light sources (12) via corresponding light drivers (11) to effect various lighting schemes in response to facilitating various operating modes and/or operational states of the operator. Preferably such lighting schemes are both selectively assignable by a user to specific modes/states and themselves uniquely definable by a user.

Abstract: A stage lighting apparatus is disclosed comprised of a lamp housing. The lamp housing is comprised of a lamp and a first light valve. The stage lighting apparatus is also comprised of a first set of first image data. The first set of first image data is comprised of a first set of first separate color data for operation of a first separate colored image and a second set of second separate color data for operation of a second separate colored image. A swap function is applied to the first set of first image data to allow operation of the second separate colored image as determined by the first separate color data.

Abstract: A multi-variation decorative lamp, comprising: a light emitting device including a plurality of light emitting units for emitting lights of different wave lengths in combination; a functions control device for generating and emitting a plurality of electric waves, it is connected to and control said light emitting units; a power supply device, to be connected to said functions control device for supplying electric power; decorative objects, formed by one or a plurality of light penetrating materials with identical or different reflection or refraction coefficients or light-absorbing efficiency; it is located near said light-emitting unit; and, when said functions control device generates the electric wave according to pre-designed functions, the light emitting units then emit light of multi-variations, such that each of the decorative objects generates functions of multi-variations.

Abstract: A remote control assembly comprising a signal light and a spotlight comprises a lamp receptacle, a combined light, two driving device for the combined light, a base stand, circuit board and suction disk. The combined light includes signal light and spotlight, lamp shields, lens and supporting shafts. When assembled, it is rotatably mounted in the lamp receptacle. One of driving device can make the combined light rotate upward and downward in the range of 250°, and can provide large visual angle in the evening or at night, even beyond 90°, and the other driving device can make the combined light rotate horizontally in the wide range of 360°. In addition, it (the combined light) has good performance of weather proof and super bright illumination. In emergency condition, its flashing light can be seen from several kilometers away. It is suitable for use on deck, galley, trailers and utility vehicles.

Abstract: There is proposed a luminaire (10) with which the exit angle of the light beams is restricted for the purpose of anti-dazzling. Further, in accordance with the invention there is attained in a simple manner and in particular without the employment of a light guide element a uniform emission of light over the entire surface of an optical element (14; 14-1, 14-2) arranged before or in the emission opening (13) of the luminaire (10). The optical element (14; 14-1, 14-2) has a plate-like core (16) of transparent material, which is occupied on one side with microprisms (17) which, with the formation of furrows (18)—starting from their roots—taper.

Abstract: A compact portable fluorescent lighting unit provides concentrated even coverage illumination for many visual arts, theater, studio or location applications. Beam width is conveniently user-adjustable without tools, typically in three steps: 60, 70 and 90 degrees. A pair of identical lighting cells are stacked one above the other; each cell can utilize any one of a variety of fluorescent lamps providing powerful illumination. Each cell has an efficient reflector and provision for beam width selection by varying the spacing of the lamp from the rear of the reflector via easily adjustable socket/lamp support brackets. A welded aluminum mounting yoke, with arms swivel-attached to opposite ends of the housing, can be set to any desired orientation for beam-aiming and locked in place to the housing by a user knob. The yoke can be affixed directly to building structure or mounted via a pipe or stand adaptor, optionally swivelled to provide a second beam-aiming axis.

Abstract: A retractable light/sound system for mounting on the eave of a structure includes a housing and an output subassembly. A hinge pivotably interconnects the housing and the output subassembly whereby the latter is pivotable between a retracted/stored position and an extended/display position. The output subassembly includes multiple lights and/or loudspeakers and provides output in response to input power and/or control signals from any control subsystem, which can include a microprocessor adapted for preprogramming to activate the output components in response to certain, predetermined input source conditions. The system is adapted for mounting on or in soffits, or on building fascias integrally with gutters.

Abstract: A fluorescent light fixture is provided for retrofitting light fixtures utilizing conventional fluorescent lamps into light fixtures utilizing energy efficient fluorescent lamps. The fluorescent light fixture is a single unit comprising a reflector, socket plates at each end, lamp sockets, ballast, ballast cover and wiring. The reflector may be slidably mounted onto the socket plates to allow the retrofit to expand and contract. The fluorescent light fixture may include a attachment which temporarily secures the fluorescent light fixture within a light fixture shell.

Abstract: A stage lighting lamp unit includes a processor for receiving control data from a remote console. Beam orientation data for the lamp unit is passed to the lamp in the form of the x, y and z co-ordinates of a point in space through which the beam is to pass. The processor divides the required lamp travel into a number of stages dependent on execution duration data sent with the position data, and calculates, for each stage, a new value for pan and tilt angles for the lamp. These values are passed to pan and tilt controlling co-processors which control servo-motors for pan and tilt operation. The lamp unit also incorporates a rotatable shutter for interrupting the lamp beam when required. The shutters of all the lamps in a system can be instructed from the remote console to open and close in synchronism, thereby providing a stroboscopic effect.

Abstract: This invention provides an optically controlled dimmer (optically controlled light adjustment device), more particularly, an optically controlled dimmer having a mechanism capable of detecting light reflected from an object in a short distance and to cause a driving circuit to perform ON-OFF action and to adjust the intensity of light in several stages. The mechanism includes an ultra red ray transmitter to perform the control. A transmitter and a receiver are disposed in parallel in a recess of a casing having a panel. The panel has one hole for transmitting control signal light, and another hole for receiving reflected signal light. The dimmer can be activated by blocking the signal light transmitted from the dimmer by hand, to produce a reflected signal light to be received by the receiver. The received reflected signal light is reformed by a stage control circuit and a switching circuit to perform ON-OFF actions. As a result, the intensity of light is controlled in stages.

Abstract: A device for storing and displaying decorative light strings has a stationary upper body mountable to the eaves of a house or the like and a lower body. The lower body is rotatably connected with the upper body and dimensioned to fit inside the upper body. The lower body houses the decorative light string. In storage position, the decorative light string is completely enclosed and therefore protected from the natural elements. Using a handle, the lower body can be rotated and the light bulbs will be displayed.

Abstract: A multi-variation decorative lamp, comprising: a light emitting device including a plurality of light emitting units for emitting lights of different wave lengths in combination; a functions control device for generating and emitting a plurality of electric waves, it is connected to and control said light emitting units; a power supply device, to be connected to said functions control device for supplying electric power; decorative objects, formed by one or a plurality of light penetrating materials with identical or different reflection or refraction coefficients or light-absorbing efficiency; it is located near said light-emitting unit; and, when said functions control device generates the electric wave according to pre-designed functions, the light emitting units then emit light of multi-variations, such that each of the decorative objects generates functions of multi-variations.

Abstract: A system for lighting. The system includes at least a first lamp for producing light. The system includes motorized means for positioning the first lamp in a desired position. The motorized means is connected to the lamp. A method for lighting. The method includes the steps of directing a first motor with a controller. There is the step of positioning a first lamp into a desired position with the first motor.

Abstract: A light projector is provided which includes an elliptical reflector, a first spherical retro-reflector, the first retro-reflector having an first aperture formed therein, the first aperture having a first diameter and a first center-point, a second spherical retro-reflector located between the elliptical reflector and the first retro-reflector, the second retro-reflector having a second aperture formed therein, the second aperture having a second diameter and a second center-point, the second diameter smaller than the first diameter, the first and second center-points lying along a common axis, and a light source, the light source located at a foci of the elliptical reflector, the light source lying along the common axis, the elliptical reflector reflecting light emitted by the light source, the reflected light passing through the first and second apertures, the first and second retro-reflectors being positioned so as to reflect light emitted by the light source back towards the light source.

Abstract: An efficient redundant light distribution system includes redundant light generation enclosures providing light to a collector array 10, coupled to an ultraviolet to red converter 20, a combination array 30, a distribution array 40 and multiple projection lenses 4.

Abstract: A light is mounted on each one of a plurality of movable light supporting carts. The carts are moved along a predefined path. The lights can be energized to produce light beams as the carts move. Alternatively, the lights may remain off as the carts are controllably moved along the path to position each cart at a selected location along the path, and the lights energized after the carts are position. The carts, or selected carts, can be controllably moved at a selectably variable speed or speeds and/or in a selectably variable direction or directions while the lights are energized to produce the light beams. The lights themselves can be controllably moved with respect to their respective support carts, to controllably pan, tilt, swivel, etc. each light as the carts move, thereby facilitating production of a wide range of illumination effects.

Abstract: A controller for a lighting system is integrated with a light or other device. The controller operates in a local mode to control the integrated light only and in a remote mode to function as a serial network protocol controller for a series of connected devices. In remote mode, an IR/RF remote control is used to change settings for any device connected to the controller. The controller generates a fast serial network protocol instruction sequence, such as a DMX-512 protocol instruction sequence, from the commands received relatively slowly from the IR/RF remote control. The controller can include an hours of operation counter for the integrated light and a global setting function for changing all connected devices simultaneously to a single setting.

Abstract: A lighting system operating using a digital mirror as its operative device. The digital mirror is used to shape the light which is a passed through advanced optical devices in order to produce an output.

Abstract: An area lighting device comprises a plurality of panels arranged into a hollow box having interconnected side walls and open bottom; and at least one of the side wall panels comprising a light emitting panel having a lighted side facing inside the hollow box.

Abstract: A remote-control modular lighting system allows users to select individual lighting modules for adjustment by momentarily pointing the remote control at the lighting module to be adjusted. Subsequent adjustments may be done without aiming at the lamp, allowing the operators attention to be on the subject being lit. Control functions may include aiming of the light, power on/off, dimming, etc. In one preferred embodiment, individual lamps broadcast an identifier code to be stored in the remote. This allows the remote to adjust groups of lamps, or change a group of lamps to a particular stored configuration. This functionality is achieved without the requirement of special set-up procedures during installation.

Abstract: An autonomous local area distributed network provides a peer-to-peer network to connect nodes and devices using low cost and low bandwidth communication techniques, thus allowing the network to share node resources and distribute programming tasks across the different nodes. Home appliances and devices such as refrigerators, televisions, light switches, light fixtures, garage door openers, stereos, and the like may be configured as nodes on the peer-to-peer network. Operational programs, referred to as “sequences,” may be distributed across nodes in a network to enable the maximum utilization of available node resources.

Abstract: A vehicular headlamp capable of moving an auxiliary light distribution pattern in the horizontal direction by pivoting an auxiliary lamp fixture unit in which degradation in the visibility of the road surface ahead of the vehicle caused by movement of an auxiliary light distribution pattern is substantially reduced. The brightness of a low-beam light distribution pattern formed by a headlamp unit is partially reinforced with auxiliary light distribution patterns formed by a pair of auxiliary lamp fixture units. When the vehicle turns, one of the auxiliary light distribution patterns is moved in the same direction with an upward displacement, whereby sufficient visibility ahead of the vehicle is assured. As a result of this movement, the hot zone of the auxiliary light distribution pattern is separated from the hot zone of the low-beam light distribution pattern.

Abstract: A lighting assembly for improving the performance of undercabinet and streamlined lighting includes a LED module onto which is mounted a plurality of light emitting diodes (LEDs). The LEDs serve as the light source for generating a light pattern. An optical assembly focuses and disperses the LED output to a desired light contour. The lighting assembly further includes a mounting base for attaching the LED module to an associated surface, such as the underside of a cabinet. A battery source is optionally enclosed in the module for providing primary or secondary power to the lighting assembly. In a preferred embodiment, the battery source is a rechargeable battery that can be recharged by means of an AC adapter that connects to the lighting assembly.

Abstract: A surgical video system 10 captures an image of a surgical procedure and displays the image on a video monitor 24 remote from the surgical procedure. The system includes at least one surgical lighthead 12, a video monitor 24, and a digital video camera 22 integrated into the surgical lighthead. The digital video camera forms part of a modular digital video camera unit 20 that is conveniently removable from the surgical lighthead so that camera units having different functionalities and capabilities can be selectively substituted as needed. A control unit 26 is operatively connected to the video camera and generates command signals that are executed by the modular camera unit to rotate the image of the surgical procedure displayed on the video monitor by at least 360° and to effect image zoom operations. The control unit is responsive to input signals from multiple sources including a hand-held IR/RF remote transmitter module 38, a wall mounted keypad 30, and a footswitch 40.

Abstract: The present invention is a method and apparatus for providing a control system that controls at least one of a plurality of display units. In one embodiment, the control system includes a remote control circuit capable of activating a remote signal for moving the display unit between one of a first, a second and a third positions and another one of the first, the second and the third positions. The control system further includes a local display unit movement control circuit coupled to the display unit, and a transmitter coupled to the local display unit movement control circuit. The transmitter is configured to transmit a light beam capable of being reflected from a reflective surface near the transmitter to make a reflected light beam, and a receiver coupled to the local display unit movement control circuit.

Abstract: An LED light source having an array of LEDs provides increased control of a light beam pattern while providing increased service life. The LEDs are selectively powered to control the light beam pattern, including, for example, shape, size, intensity and direction of the light beam pattern. A controller may provide manual or automatic control of the light beam pattern to thereby adjust the illumination area.

Abstract: Light adjustment apparatuses and methods for adjusting light assemblies are disclosed herein. One embodiment can include a light holder having a housing, a mounting bracket coupled to the housing, a support member rotatably attached to the mounting bracket, and a lock to restrict the mounting bracket from rotating relative to the support member about an axis of rotation. In another embodiment, a method is provided for adjusting a light assembly. The method includes removing a lock from a first lock receiver in a mounting bracket and a second lock receiver in a support member; rotating the mounting bracket and a light assembly attached to the mounting bracket as a unit so that the light is aimed at a selected orientation; aligning a third lock receiver in the mounting bracket with the second lock receiver in the support member; and placing the lock in the third lock receiver of the mounting bracket and the second lock receiver of the support member.

Abstract: A controller for a lighting system is integrated with a light or other device. The controller operates in a local mode to control the integrated light only and in a remote mode to function as a serial network protocol controller for a series of connected devices. In remote mode, an IR/RF remote control is used to change settings for any device connected to the controller. The controller generates a fast serial network protocol instruction sequence, such as a DMX-512 protocol instruction sequence, from the commands received relatively slowly from the IR/RF remote control. The controller can include an hours of operation counter for the integrated light and a global setting function for changing all connected devices simultaneously to a single setting.

Abstract: A central controller and a number of image projection lighting devices (“IPLD”), a type of multiparameter light, are interconnected by an enhanced performance communications path that is capable of simultaneously carrying different digital signals on various bidirectional channels, such as various content signals, including continuous video and/or audio, in digital form on respective content transfer channels, a command signal on a control channel, and a control or content signal in digital form on an auxiliary channel. In accordance with commands transmitted from the central controller over the control channel, content signals may be sent from any of the IPLDs to any other of the IPLDs, or from the central controller to any of the IPLDs, or from any of the IPLDs to the central controller. The IPLDs have respective unique device addresses, and the control channel, the auxiliary channel, and the content transfer channels also have respective unique channel addresses.

Abstract: Light adjustment apparatuses and methods for adjusting light assemblies are disclosed herein. One embodiment can include a light holder having a housing, a mounting bracket coupled to the housing, a support member rotatably attached to the mounting bracket, and a lock to restrict the mounting bracket from rotating relative to the support member about an axis of rotation. In another embodiment, a method is provided for adjusting a light assembly. The method includes removing a lock from a first lock receiver in a mounting bracket and a second lock receiver in a support member; rotating the mounting bracket and a light assembly attached to the mounting bracket as a unit so that the light is aimed at a selected orientation; aligning a third lock receiver in the mounting bracket with the second lock receiver in the support member; and placing the lock in the third lock receiver of the mounting bracket and the second lock receiver of the support member.

Abstract: A stage lighting lamp unit includes a processor for receiving control data from a remote console. Beam orientation data for the lamp unit is passed to the lamp in the form of the x, y and z co-ordinates of a point in space through which the beam is to pass. The processor divides the required lamp travel into a number of stages dependent on execution duration data sent with the position data, and calculates, for each stage, a new value for pan and tilt angles for the lamp. These values are passed to pan and tilt controlling co-processors which control servo-motors for pan and tilt operation. The lamp unit also incorporates a rotatable shutter for interrupting the lamp beam when required. The shutters of all the lamps in a system can be instructed from the remote console to open and close in synchronism, thereby providing a stroboscopic effect.

Abstract: A remote-control modular lighting system utilizing a directional wireless remote control for the selective adjustment and programming of individual lighting modules is disclosed. Individual lighting modules may be selected for adjustment by momentarily pointing the remote control at the lighting module to be adjusted. Subsequent adjustments may be done without aiming at the lamp, allowing the operators attention to be on the subject being lit. For home or retail applications, control functions may include aiming of the light, switching on and off the light, and dimming. Theatrical applications may also include control of spot size and color. Lighting modules may also be controlled as a group or individually. Different groups of lights may be defined within the remote, and lights may be members of multiple groups.

Abstract: An electronically controlled retractable landing light (100) for use with aircraft. A controller (106) compares the commanded position of a lighthead (108) by means of a contactless absolute position sensor (212). Operation of a brake (111), motor (110), and lamp (112) is controlled by a control unit (210). Electrical power to the brake (111), motor (110), and lamp (112) is slowly applied and removed to reduce electromagnetic emissions and extend the service life of a power stage (208), brake (111), motor (110), and lamp (112). The lighthead (108) may be manually stowed in the event of a fault.

Abstract: An object of the invention is to provide a LED lighting equipment which can be simply perform lighting control of the light by any body and can obtain wide variety of tones in wide range by easy operation. A light control type LED lighting equipment comprises a LED aggregate lamp portion, control input generating means for generating one series of control input signal, control output generating means and individual power control means. A color tone of said LED aggregate lamp portion being varied continuously depending on the value of said control input signal.

Abstract: A track mounting system for supporting equipment, such as a dental light, includes a pan-shaped carriage which is suspended from the track mounting system and to which the light or other equipment is attached. The track mounting system includes a pair of spaced, parallel tracks which are engaged by rollers rotatably mounted on inner walls of the carriage. At least one of the rollers is formed from a relatively hard material and is concave to mate with the complementary surface on one of the tracks to provide resistance against side loads. Other rollers are formed from a relatively soft material and are convex to provide a light frictional resistance to movement of the carriage along the tracks that inhibits drift, over-travel and other inadvertent movement of the carriage, while reducing noise.

Abstract: A light tilting apparatus usable with an extendable light. In one embodiment, a mobile lighting system includes a tiltable light assembly mounted to an extendable tower on a trailer. The tiltable light assembly includes one or more lights fixedly mounted to a tilting member pivotably mounted to the extendable tower. A linkage operably connected to the tilting member at one end has a catch on a distal end. A linkage regulator attached to the extendable tower has a guide portion for the linkage to pass through as the extendable tower is extended and retracted. The linkage regulator is configured to engage the catch on the distal end of the linkage when the extendable tower reaches a preselected extension position restricting further motion of the linkage in the direction of tower extension. The linkage causes the tilting member to pivot and rotate the lights downward with continued extension of the extendable tower past the preselected extension position.

Abstract: A battery-operated light-emitting device including a housing having two battery-receiving ports extending in the housing. A light is mounted on the housing. A power source is connected to the light and includes a removable battery, and a battery charging device for charging the battery. A central processing unit is connected to the battery connectors and the light. A receiver is mounted on the housing and is connected to the central processing unit. A remote transmitter is provided for sending signals to the receiver, and a multiple signal selector switch is mounted to the housing and is connected to the central processing unit for allowing a particular signal to be received from the transmitter for energizing the light. An interchangeable cover removably mounts on the housing when the housing is in a mounted condition on a wall.

Abstract: A lighting simulation process for simulating the lighting of a subject at a location in a scene. Scene illumination data is created that specifies the illumination that the scene provides at the location at which the subject is to be simulated from a plurality of spatial directions. Subject illumination data is created that specifies the appearance of the subject when illuminated from a plurality of different spatial directions. The subject is then illuminated as if at the location in the scene by combing the scene illumination data with the subject illumination data.

Abstract: An outlet mounted light fixture adapted to overlie and completely cover an existing wall outlet. The outlet fixture includes a flat front panel and a flat back panel parallel to the flat front panel. There are a plurality of prongs extending from the back panel for entering and electrically connecting to the existing wall outlet. The cover is designed for visual pleasure and is relatively strong to support electrical outlets mounted on the flat front panel to receive electrical conductors. The fixture also has side electrical outlets mounted on either side panel. The fixture adds one or more hollow elongated stems which extend from the top panel. These stems or poles can be rigid or flexible. The stems receive the light bulbs and have the wiring and on/off switch connecting the bulbs to the outlet. The fixture can be placed in any outlet and the lights can illuminate an area for reading or for generally lighting the area. The fixture eliminates the need for a free standing light and the attached power cord.

Abstract: A portable, adaptable, modular lighting system for use in television and movie sets and locations, and other similar applications is described. The system comprises a horizontal framework that is disposed on a plurality of vertical members in such a way as to allow the framework to move up and down relative to the vertical members. Lights, lighting fixtures, and other similar fixtures are attached to the framework in such a way as to enable the system to be remotely controlled. Specifically, in an embodiment of the invention, the lights, fixtures, and/or framework are computer controlled. As such, the operation, intensity, angle, height, and other similar specifications of the system can be pre-programmed, and the rig remotely operated, as needed. The system is portable, as the vertical members are equipped with moving means, such as rollers, that allow the entire rig to be moved from one set to another.

Abstract: The invention relates to a rotary device for use for lighting systems which ensure flexible and, if required, even mobile illumination of a room, for example of a television studio. The rotary device according to the invention is mounted at intersections of a transport rail system for conveying transport units, for example lamps. It has two components which can be rotated relative to one another and of which one is in the form of a pivot bearing, serving for fastening at the intersection, for the other, while the other is a rail support containing at least one rail section. According to the invention, each rail section of the rail support is provided with contact tracks so that the transport unit present on the rail section and having current collectors can obtain energy.

Abstract: An electronic synchronizer stores MIDI music data codes in a principal melody track and other MIDI music data codes in an external control track, and compares music data codes representative of depressed keys with the MIDI music data codes in the principal melody track to see whether or not the keys are timely depressed for producing the principal melody for reading out the other MIDI music data codes in the external control track in synchronism with the fingering, wherein the MIDI music data codes in the external control track are converted to instructions for an audio-visual system so that the electronic synchronizer achieves the synchronization between the fingering and the audio-visual system on the basis of the MIDI music data codes.

Abstract: The present invention in one embodiment incorporates multi-parameter lighting devices within a power line carrier system or apparatus. The apparatus comprises a power line, a control device, and a first lighting device. The power line may supply a primary signal having a frequency. The control device may include at least one actuation device which may be a plurality of actuation devices. The control device may be connected to a first power outlet of the power line. The first lighting device may have a plurality of parameters. The first lighting device can include a processor and first motor. The first motor of the lighting device can be used to vary a first parameter of the plurality of parameters of the first lighting device. The first lighting device can be connected to a second power outlet of the power line.