Abstract: A cover assembly includes a main body, a closure member, gripping portions, and an identification tag. The main body defines an interior to receive a remote control and includes top, bottom, front, first and second side, and rear portions. The closure member is coupled to the rear portion and configured to move the rear portion between an open position, where a remote control is insertable into and removable from the interior, and a closed position, where the closure member is coupled to the bottom portion to secure the remote control within the interior. The multiple gripping portions are provided on the first and second side portions and configured to facilitate gripping of the cover assembly by a user. The identification tag includes a processor and is configured to communicate with an external device and operate to increase a conspicuity of the cover assembly for locating the cover assembly.

Abstract: An electronic device including a first body, a second body, a pivoting shaft, a driving module, and a light source is provided. The first body includes a first casing and a second casing movably disposed on the first casing. The second body has a pivoting part and a light reflecting part located at the pivoting part. The pivoting shaft is connected to the pivoting part. The second body is pivoted to the first body through the pivoting shaft. The pivoting shaft, the driving module, and the light source are disposed in the first body. The driving module is connected to the pivoting shaft and contacts the second casing. When the second body rotates relative to the first body, the pivoting shaft drives the driving module to push the second casing to lift to form a light emitting slit between the second casing and the pivoting part.

Abstract: A control device, such as a gateway device for a wireless load control system, has a light bar extending around a periphery of an enclosure to provide feedback to a user of the load control system, as well as to provide a pleasing aesthetic effect on the gateway device. The control device may include at least one light-emitting diode mounted to a printed circuit board inside the enclosure, a control circuit mounted to the printed circuit board and operatively coupled to the light-emitting diode for controllably illuminating the light-emitting diode, and a multi-functional mounting structure for mounting the printed circuit board inside the enclosure. The mounting structure may have at least one light-pipe structure for conducting light from the at least one light-emitting diode to the light bar. The mounting structure may have an antenna-mounting structure to which an antenna of the control device may be mounted.

Abstract: A light pipe bezel array assembly is provided for improving the alignment of front or rear mounted light pipes as they pass through the holes of an electronic device's panel. The light pipe bezel array assembly includes a bezel array which includes a front side and a back side formed of interconnected bezels. Each bezel includes a conduit which includes a cavity region adjacent to the bezel's front side and a narrower region which is located closer to the bezel's back side. The cavity regions are sized to accept a flange of a rear mounted light pipe. Meanwhile, the conduits' narrow regions have a diameter substantially the same as the outer diameter of the light pipes that are intended to be aligned. The light pipe bezel array assembly includes adhesive plugs located in bezel conduits for affixing the bezel array to an electronic device's panel.

Abstract: A lamp, a lamp system, a method for assembling lamp system, and a method for disassembling lamp system are described. The lamp includes a frame, a light guide plate, at least one light source and a connecting mechanism. The frame includes two side covers opposite to each other, and an accommodating space is formed between the side covers. The light guide plate is disposed in the accommodating space. The light source is disposed in at least one of the side covers and is disposed adjacent to a light incident surface of the light guide plate. The connecting mechanism is disposed in the frame. The connecting mechanism includes an engaging member and an adjusting member. The engaging member is slidably disposed in an inner space of one of the side covers.

Abstract: An illuminated indicator for a doorbell can be arranged to receive light along an optical axis (e.g., that is perpendicular to a front face of the doorbell housing) and emit the light from an output portion that defines a closed loop (e.g., that extends around the optical axis) and in a direction that is parallel to the optical axis. The illuminated indicator can include a light pipe that receives light along the optical axis and reflects the light to follow a radially outward and divergent path, e.g., that is perpendicular to the optical axis. The radially outward and divergent light can be reflected to follow a path that is parallel to the optical axis for emission at an output portion of the light pipe. The light pipe can be configured to transmit a doorbell switch activation force to other parts of the doorbell to cause actuation of the switch.

Abstract: A system for controlling a plurality of motors includes: a variable frequency drive (VFD) configured to control at least one property of the motors, the VFD having a current interruption rating that is greater than a continuous current rating of all of the plurality of motors combined; a bus electrically connected to the VFD; and a plurality of protection modules, each protection module including: a motor overload device electrically connected to a particular one of the plurality of motors; and a switching relay in series with the motor overload device, the switching relay configured to connect the protection module to and disconnect the protection module from the bus. A state of the switching relay determines whether the protection module is electrically connected to the bus, the VFD is configured to control the state of the switching relay, and the switching relay has a current interruption rating that is less than the continuous current rating of the particular one of the plurality of motors.

Abstract: A wall-mounted keypad may include a light detector circuit located inside the keypad that is configured to measure an ambient light level in a space. The light detector circuit may receive ambient light through an aperture that is hidden from view by the keypad. The keypad may include a reflector for directing ambient light onto the light detector circuit. The keypad may include an enclosure that houses the light detector circuit. The enclosure may define a recess that exposes at least a portion of the light detector circuit. The enclosure may include a reflector that may focus ambient light received through the aperture onto the light detector circuit. The keypad may include a control circuit that may be configured to illuminate the indicia of respective buttons of the control device in response to actuations of the one or more buttons, in accordance with the measured ambient light level.

Abstract: A lighting apparatus includes a base plate, a driver module, a light source, a mechanical switch, a main housing, and a manual switch. The driver module is disposed on a top surface of the base plate. The light source is also disposed on the top surface of the base plate. The mechanical switch is disposed on the base plate. The mechanical switch has multiple states to be selected. The driver reads a selected state to control the light source. The main housing encloses the base plate. The manual switch is disposed on the main housing. An operating part of the manual switch is exposed outside the main housing to be operated by a user. When a user moves the operating part of the manual switch, the connecting part of the manual switch carries the mechanical switch to change the selected state.

Abstract: A lighting apparatus includes a base plate, a driver module, a light source, a mechanical switch, a main housing, and a manual switch. The driver module is disposed on a top surface of the base plate. The light source is also disposed on the top surface of the base plate. The mechanical switch is disposed on the base plate. The mechanical switch has multiple states to be selected. The driver reads a selected state to control the light source. The main housing encloses the base plate. The manual switch is disposed on the main housing. An operating part of the manual switch is exposed outside the main housing to be operated by a user. When a user moves the operating part of the manual switch, the connecting part of the manual switch carries the mechanical switch to change the selected state.

Abstract: An input apparatus includes a reflection layer, a light guide plate, a first light source, a second light source and a light absorption member. The light guide plate is disposed on the reflection layer and includes a first light guide region and a second light guide region connected with each other by a junction, a first area of the first light guide region is different from a second area of the second light guide region. The first light source corresponds to the first light guide region. The second light source corresponds to the second light guide region, the light guide plate has a first opening structure disposed between the first light source and the second light source. The light absorption member is disposed at a position corresponding to the first opening structure.

Abstract: A lighting apparatus includes a base plate, a driver module, a light source, a mechanical switch, a main housing, and a manual switch. The driver module is disposed on a top surface of the base plate. The light source is also disposed on the top surface of the base plate. The mechanical switch is disposed on the base plate. The mechanical switch has multiple states to be selected. The driver reads a selected state to control the light source. The main housing encloses the base plate. The manual switch is disposed on the main housing. An operating part of the manual switch is exposed outside the main housing to be operated by a user. When a user moves the operating part of the manual switch, the connecting part of the manual switch carries the mechanical switch to change the selected state.

Abstract: A system and method for controlling a lighting system may be integrated into a lighting fixture or into a stand-alone device. A plurality of inputs defining one or more lighting parameters may be received. The inputs may include input signals characterized by at least two different control protocols. The input signals may be combined into an output signal characterized by a single control protocol, and the output signal used to control the lighting system.

Abstract: A system for providing power and controlling a plurality of ethernet devices, a driver, wherein the driver provides for the control of the system; a plurality of sensors, wherein the plurality of sensors collect sensor specific data and are in communication with the driver; a Power over Ethernet (POE) switch, wherein the POE switch is in communication with the plurality of sensors; a plurality of fixtures in communication with the driver and the POE switch, wherein the plurality of fixtures are light sources; and a local power source, wherein the local power source is in communication with the POE switch.

Abstract: A load control device for controlling the amount of power delivered from an AC power source to an electrical load is operable to conduct enough current through a thyristor of a connected dimmer switch to exceed rated latching and holding currents of the thyristor. The load control device comprises a controllable-load circuit operable to conduct a controllable-load current through the thyristor of the dimmer switch. The load control device disables the controllable-load circuit when the phase-control voltage received from the dimmer switch is a reverse phase-control waveform. When the phase-control voltage received from the dimmer switch is a forward phase-control waveform, the load control device is operable to decrease the magnitude of the controllable-load current so as to conduct only enough current as is required in order to exceed rated latching and holding currents of the thyristor.

Abstract: Systems and methods are disclosed for emulating an environment created by the outputs of a plurality of devices. The system receives device control data for a device in a first venue. The control of the outputs of said devices according to the device control data creates an environment within the first venue. The system retrieves profile data for devices within a second venue. The system associates a device in the second venue with a device from the first venue, both devices having a similar output type. The system then generates control information adapted from the associated device of the first venue for the device in the second venue. The system controls the outputs of each device in the second plurality of devices according to the generated control information to emulate the environment within the first venue in the second venue.

Abstract: A cover assembly includes a main body, a closure member, gripping portions, and an identification tag. The main body defines an interior to receive a remote control and includes top, bottom, front, first and second side, and rear portions. The closure member is coupled to the rear portion and configured to move the rear portion between an open position, where a remote control is insertable into and removable from the interior, and a closed position, where the closure member is coupled to the bottom portion to secure the remote control within the interior. The multiple gripping portions are provided on the first and second side portions and configured to facilitate gripping of the cover assembly by a user. The identification tag includes a processor and is configured to communicate with an external device and operate to increase a conspicuity of the cover assembly for locating the cover assembly.

Abstract: A light-source device includes an excitation light source, an optical member, and a wavelength converter. The excitation light source is configured to emit first color light. The optical member has a reflecting surface configured to reflect the first color light emitted from the excitation light source. The wavelength converter includes a wavelength conversion member on which the first color light reflected by the optical member is incident. The wavelength conversion member is configured to convert at least part of the first color light into second color light having a wavelength different from a wavelength of the first color light and emit the second color light. A center of the first color light on the reflecting surface of the optical member does not intersect with a light flux of the first color light emitted from the wavelength converter.

Abstract: Systems and methods for illumination power, management and control can include lighting fixtures, lighting controllers, databases, and gateways. The lighting controllers can power the lighting fixtures, control the lighting fixtures, and store fixture state data and controller state data. The lighting controllers can be connected to building mains power (e.g., 240 VAC) and provide DC power to the lighting fixtures. The lighting controllers can read state data from and control the fixtures via a digital interface. The Database server can store user profiles, site profiles, fixture property data, and controller property data. The gateway can read and modify the state data stored by the lighting controllers, and can query the database server for the property data. The gateway can also provide a user interface through which users, based on authorization, can read and write the state data (e.g., fixture on/off) and the property data.

Abstract: Embodiments described herein relate to a system for positioning indicator lights of a network device. The system may include a circuit board, which may include a circuit board edge positioned behind a front panel of the network device, two surfaces; and a side of the circuit board edge positioned between the two surfaces. The system may also include a hole through the circuit board near the circuit board edge, a cutout extending from a portion of the hole to the side of the circuit board edge, a LED coupled to the surface of the circuit board and adapted to emit light into the hole, and a lightpipe disposed in the hole to receive light emitted from the LED into a first end of the lightpipe. The lightpipe may direct the light from a second end of the lightpipe toward an opening in the front panel of the network device.

Abstract: A stage light fixture capable of avoiding lighting in power off includes a light head, a brake motor, an auxiliary power supply, and a controller. The controller is configured to control the brake motor to drive the light head to move to a light-avoiding angle at which strong lighting cannot directly shining into a lighting outlet of the light head and perform power-off processing on the brake motor when the brake motor is switched to be powered by the auxiliary power supply. When the stage light fixture is suddenly powered off, the auxiliary power supply will supply power to the brake motor, and the controller enables a motor unit of the brake motor to drive the light head to move to the light-avoiding angle so as to avoid heat damage to the components inside the light head due to strong lighting irradiation.

Abstract: A device access control system includes a first computing system that is coupled to a second computing system via a network, and that includes a device access controller subsystem coupled to devices, a central processing subsystem, and a device access control manager subsystem. The device access control manager subsystem identifies first application(s) configured for provisioning by the central processing subsystem and second application(s) configured for provisioning by the second computing system, configures the device access controller subsystem to provide the central processing subsystem access to a first subset of the devices to allow the central processing subsystem to provide the first application(s), and configures the device access controller subsystem to provide the second computing system access via the device access control manager subsystem to a second subset of the devices to allow the second computing device to provide the second application(s) using the second subset of the devices.

Abstract: A keyboard assembly for a portable information handing system. The keyboard assembly includes a plurality of keys, the plurality of keys being arranged in a typewriter style layout to allow a user to enter text content into the portable information handling system; and, a keyboard carrier, the plurality of keys being mounted to the keyboard carrier, the keyboard carrier determining when a key of the plurality of keys is actuated and generating information regarding the key of the plurality of keys, the keyboard carrier comprising a venting portion, the venting portion being located beneath a set of keys of the plurality of keys, the venting portion comprising a plurality of venting apertures.

Abstract: Systems and methods are provided to transmit a data encoded power signal to addressable devices. A data signal includes address and command data that varies between logical states. A controller provides a low loss rectified power signal. The controller further provides data within the power signal by forming a positive polarity rectified power waveform corresponding to data in a first state and a negative polarity rectified waveform signal corresponding to data in a second state using substantially loss-less circuitry.

Abstract: The present utility model discloses a keyboard. The keyboard comprises keys, a fixing frame, long flexible strips, a key locking plate, a flexible sheet, a PCB board, a flexible base, and a bottom cap. The key locking plate is mounted on the upper surface of the flexible sheet. The flexible sheet is mounted on the upper surface of the PCB board. The PCB board is mounted on the flexible base. The flexible base is mounted on the bottom cap. The key locking plate, the flexible sheet, the PCB board and the flexible base fixed in the housing. The long flexible strips are mounted on all sides of the key locking plate and in the fixing frame.

Abstract: An ambient light device for a dial type shifting apparatus is provided. The ambient light device includes a printed circuit board (PCB) coupled to a main housing, a light source fixed to the PCB, a light guide coupled to the main housing and configured to deliver light of the light source, and a light emitting mechanism provided in a shift dial coupled rotatably with respect to the main housing and configured to reflect the light of the light source delivered through the light guide to emit it outside of the shift dial in an ambient light form.

Abstract: A case for an artificial light. An articulating arm or arms attaches a hood to the case. The arm(s) allow the hood to be oriented to function as both a protective cover, shade, or stand.

Abstract: A method for controlling a lighting system using a lighting control console generating digital adjusting commands transmitted to lighting devices of the lighting system via data links at least one moving an adjustable lighting device towards different positions, and a preprogrammed lighting program being carried out in several consecutive program steps, an acoustic parameter characterizing the noise sensitivity being assigned to each programs step. The method includes driving the actuator towards the next predefined position of the lighting device as a function of a result of a comparison of the acoustic parameters of the program steps.

Abstract: A solar disk light has a disk light body, the disk light body including a housing and a lid over the housing, the housing being hollow to contain components of the disk light. The disk light body has solar cells on an outer surface thereof for harvesting solar energy and detecting ambient light, and LEDs for emitting light. The LEDs are adapted to be selectively driven to emit white light or colored light. The wiring and driver electronics configured to deliver electrical power to the LEDs from the battery, and configured to drive some or all of the LEDs to emit white light or colored light depending on a switch setting or signals received from a remote-control transmitter.

Abstract: An operating terminal includes: a connected-device information transmitting unit transmitting first connected-device information to another operating terminal, the first connected-device information being information on a facility device connected to the operating terminal; a connected-device information obtaining unit obtaining second connected-device information from the another operating terminal, the second connected-device information being information on a facility device connected to the another operating terminal; an operation receiving unit receiving an operation for being performed on a facility device connected to the operating terminal and a facility device connected to the another operating terminal; and an air conditioning control command transmitting unit determining, from the first connected-device information and the second connected-device information, a destination of a control command and transmitting the control command to the destination, the control command representing content of an op

Abstract: A lighting system is provided with a plurality of light fixtures within a room and at least one control system for controlling the plurality of light fixtures within a room. At least one of the light fixtures among the plurality of light fixtures within the room includes a patch panel thereon. The control system is attached to the patch panel on a first side of the patch panel, and a remaining of the plurality of light fixtures in the room are connected to the patch panel on a second side.

Abstract: A capacitive sensor includes an upper block; a lower block; a plurality of elastic supports for elastically supporting the upper block and the lower block; upper vertical electrodes formed to have faces perpendicular to the bottom surface of the upper block; lower vertical electrodes formed to have faces perpendicular to the top surface of the lower block and disposed to face the upper vertical electrodes such that at least parts of the lower vertical electrodes overlap with the upper vertical electrodes; and an electronic circuit including the upper vertical electrodes and the lower vertical electrodes as parts of the circuit and outputting a signal corresponding to changes in capacitances between the upper vertical electrodes and the lower vertical electrodes caused by a force or a torque applied to at least one of the upper block and the lower block.

Abstract: Provided is a method for transmitting controlling control variables from a windfarm controller to units including at least one wind power installation or at least one energy store. The method include determining first and second controlling control variable components by the windfarm controller, outputting the first controlling control variable component in a first data packet, outputting the second controlling control variable component in a second data packet, receiving the first and second data packets by a first unit, and determining a controlling control variable from the first and second controlling control variable components. The first data packet has a receiver address which is assigned to the first unit and to at least one further unit, and the second data packet has a receiver address which is assigned to at least the first unit. Provided is a windfarm controller, a wind power installation and a windfarm configured to perform the method.

Abstract: A keyboard integrates a backlight that illuminates keyboard keys with light passing from an edge of the keyboard and along each of plural rows of keys through plural lightguides, each of the plural lightguides disposed under one row of keys. A light source located at the edge of the keyboard membrane provides illumination to the plural lightguides with individual control per row of keys for improved light transmission efficiency.

Abstract: A method for optimizing the area coverage of a wireless network may include a lamp to perform this method. The lamp may have an input for connecting a network, a power supply unit for supplying all components of the lamp with an electric power taken from the input, a control unit for controlling the components of the lamp, at least one light source from the power supply unit and controlled by the control unit, and a network access point for providing at least one wireless network. The lamp may include at least one antenna associated with the network access point. The light source and antenna may be arranged and designed such that the radiation characteristics of the light are congruent with the radiation characteristics of the antenna of the wireless network.

Abstract: A controller for an illumination device is provided. The controller may comprise a data input module configured to receive an input signal, a determining module, with at least one data format stored thereon for driving at least one type of LED device, wherein the determining module is configured to determine whether the input signal received from the data input module belongs to the at least one data format and generate an output signal based on the input signal, and a data output module configured to drive the illumination device based on the output signal received from the determining module. The controller may further comprise a command input module configured to receive a command from a user. A method for controlling an illumination device and one or more computer-readable storage media storing computer-executable instructions, that when being executed, cause a controller to perform the above method are provided.

Abstract: A luminous motor-vehicle module intended to generate a light beam that projects forward an image. The image comprises at least one horizontal row of pixels. The luminous module is arranged so that a first pixel of the horizontal row of pixels comprises a lower end and/or an upper end that are/is vertically offset with respect to a lower end and/or an upper end of a second pixel of the same row, respectively.

Abstract: A lighting module includes an LED light source and a power source coupled to the LED light source. The LED light source is powered by the power source. The power source includes an auxiliary output connection that is terminated at a standardized connector. The power source provides power to an auxiliary device via the standardized connector.

Abstract: A refrigerator includes a cabinet defining a storage space, a main door for opening and closing the cabinet, the main door defining an opening part that is in communication with the storage space, a sub-door rotatably mounted on the main door and configured to open and close the opening part, a panel assembly forming a front surface of the sub-door and made of a half glass material, a detection device provided to the sub-door and configured to detect a user's operation, and a door lighting unit provided to the main door and configured to, based on the sub-door being closed, turn on and off according to a signal from the detection device to allow selective viewing of an inside of the opening part through the panel assembly.

Abstract: In a lighting tool for a vehicle, a first incident section has a first condensing incident surface disposed at a center of a portion facing a first light source and into which a part of light emitted from the first light source enters, and a protrusion protruding from a position surrounding the first condensing incident surface toward the first light source, a second incident section has a second condensing incident surface disposed at a portion facing a second light source and into which light emitted from the second light source enters, and the second condensing incident surface is provided adjacent to the protrusion.

Abstract: The household appliance of the present invention relates to a control panel by which the user can control the functions of the household appliance; at least one opening disposed on the control panel; a shaft that is disposed behind the control panel so as to extend towards the opening and that enables the related function to be realized; a knob that is disposed on the shaft and that enables the user to move the shaft; a sealing element that is disposed on the opening so as to almost completely surround the shaft.

Abstract: In various embodiments, an illumination system is provided. The illumination system may include at least two light guides, which each have an input coupling surface and an output coupling surface, and at least one radiation source having a radiation surface that faces the corresponding input coupling surface provided for a respective light guide. A distance between the input coupling surface of one of the light guides and the radiation surface of the at least one assigned radiation source and the distance between the input coupling surface of a further light guide and the radiation source of the at least one assigned radiation source differ.

Abstract: A light emitting diode (LED) lighting device is provided. The device includes a lamp shell which is a heat sink including a heat sink covering and a heat sink body and an LED light source assembly installed on top of the heat sink body. The device also includes a control module configured to control the LED light source assembly and an LED driving and power supply unit configured to drive the LED light source assembly and provide electrical power for the LED lighting device. Further, the device includes a reset button electrically connected to the control module, wherein the reset button is set inside the lamp shell and a control push-button of the reset button is set at the sidewall of the lamp shell.

Abstract: A height-adjustable shelving system for an appliance includes an appliance having a plurality of walls that define an interior cavity. The appliance has an electrical system that extends into at least one of the walls of the appliance. A shelf is selectively disposed within the cavity and includes a lighting fixture. A shelf support system in communication with the electrical system includes at least one rotatable body operable between a plurality of support positions, the at least one rotatable body removably receiving and supporting the shelf, wherein each of the support positions of the rotatable body corresponds to a different shelf height. The removable engagement between the shelf and the rotatable body in any of the plurality of support positions places the lighting fixture in communication with the electrical system.

Abstract: A battery powered control device configured to be mounted on a wall comprising a front housing cover comprising a vertical wall and a bezel frame extending therefrom, a button assembly, a circuit board, and a rear housing plate. The button assembly is located within the bezel frame and comprises at least one button protruding through an opening in the bezel frame. The circuit board is located within the bezel frame behind the button assembly and comprises at least one tactile switch configured for being depressed by the at least one button. The rear housing plate is mounted within the front housing cover such that a periphery of the rear housing plate fits within and is surrounded by a peripheral wall of the front housing cover and a rear surface of the rear housing plate is substantially flush with the terminal end of the peripheral wall of the front housing cover.

Abstract: An apparatus (such as a keyboard) has a plurality of keycaps and a corresponding light guide film disposed on the underside of those keycaps. The light guide film has a periphery, and at least portions of that periphery are thicker than in an interior portion of the light guide film. So configured, more light can be made available for backlighting purposes in the thicker portions than at the thinner portions. These teachings include determining the various (different) thicknesses to employ for the light guide film based upon desired backlighting of one or more of the plurality of keycaps.

Abstract: The invention relates to the creation of lighting programs or scenes with a lighting system taking energy consumption into account. An embodiment of the invention provides a lighting system (10) comprising—a first database (12) containing data of the luminairies (14) of the lighting system, —a second database (16) containing information for lighting presets of the luminairies of the lighting system for a lighting scene to be created, and—a calculation module (18) being adapted to calculate the energy consumption of the lighting system based on a lighting scene to be created depending on data retrieved from the first and the second database.

Abstract: A replacement light apparatus includes a base plate a bearing member, and a light source. The bearing member extends from a portion of the base plate. The bearing member includes a bearing surface. The light source is coupled to the bearing surface of the bearing member and adapted to project a cone of light centered on an illumination axis that extends perpendicular to the bearing surface.

Abstract: A laboratory automation system capable of reducing a wasting time of an operator work by giving a notification that enables a device state and a summary of an operator call to be recognized. The laboratory automation system having notifying means such as a display unit or a speaker which can be recognized by the operator distant from the device, includes a notifying unit for calling the operator, and a notifying unit for notifying a status of the device, in which a state device and a summary of the work conducted by the operator can be easily recognized by the combination of notifications of those notifying units.

Abstract: The present invention relates to a light controller for controlling a lightning system, where the lightning system comprises a number of light emitting devices such as controllable light fixtures, controllable light emitting visual devices and/or controllable display devices adapted to emit video content. The light controller comprises a first slide controller, a second slide controller, and a locking mechanism adapted to fix the first slide controller and the second slide controller in relation to each other, such that movement of at least one of the slide controllers forces the other slide controller to perform a corresponding movement.