Abstract: Disclosed is a display apparatus including a front cover, a rear cover coupled the front cover and forming an accommodating space, a display panel disposed inside the accommodating space, a main PCB having a signal processor and transmitting a video signal to the display panel, and a PCB supporting member supporting the main PCB. The display apparatus includes a TV tuner unit having a TV tuner receiving the TV video signal, a casing accommodating the TV tuner, and a connector electrically connected with the TV tuner, a tuner unit accommodating part accommodating the TV tuner unit, and a connection port provided at the tuner unit accommodating part for transmitting the TV video signal from the TV tuner unit to the signal processor.

Abstract: In a tuner unit, a metal shielding plate standing upright on a circuit board is provided between circuit blocks formed on the circuit board so as to electrically shield the circuit blocks from each other. A metal bridge that connects the shielding plate and a frame is provided between some circuit blocks and at a distance from the circuit board so that an electrical component can be mounted on a portion of the circuit board opposing the bridge. This makes it possible to reduce the mounting space for the electrical component and to achieve a small tuner unit.

Abstract: A display retract mechanism for moving a display between a retracted position and a deployed position is disclosed and explained. The display retract mechanism is useful, for example, in mounting a liquid crystal display within the cabin of a passenger vehicle, such as an aircraft or bus. A geared chain drive supplies torque necessary for rotating a pivot shaft on which the display is attached. The display is biased toward a retracted position by a gas spring with a substantially linear force curve between the retracted position and the deployed position. Also disclosed are an infrared sensor for detecting when the display is in the deployed position, a solenoid latch for holding the display in the retracted position, and an electromechanical clutch for maintaining the display in a particular position.

Abstract: An image display system has an image display apparatus and a peripheral device that can be mounted on the image display apparatus. The image display apparatus includes a first electrode for electrically connecting the image display apparatus and peripheral device, and the peripheral device includes a second electrode for electrically connecting the image display apparatus and peripheral device. These electrodes are placed so as to have contact with one another when the peripheral device is mounted on the image display apparatus. In addition, the image display system moves the mounting position of the peripheral device on the image display apparatus as appropriate. The system minimizes cables used for electrical connections between the image display apparatus and peripheral devices, makes the apparatus compact and allows adoption of a variety of layouts.

Abstract: A metal frame is provided with plural terminals that are respectively connected to a tuner, a video intermediate frequency circuit part, and a stereo demodulator. The frame is preferably divided bilaterally into two regions, with the tuner in a first region and the video intermediate frequency circuit part and the stereo demodulator in a second region. The various components are preferably connected in series, with a U-shaped geometrical layout on the metal frame.

Abstract: A flat screen television set which is equipped with electronic sensors which activate a servo-motor or the like to move the screen in response to the presence and movement of a viewer. The television screen is mounted for swivel movement and is capable of movement to the right, left, up and down to the full extent of pre-determined angles. When the viewer moves beyond a pre-determined angular limit, the screen will swivel to the opposite direction until the sensors again detect the presence of the viewer. If there are multiple viewers, the sensors will respond to the viewer in possession of a remote control device.

Abstract: An automobile audio-visual theater system comprising a digital monitor, one or more audio-video media players; a line connecting the video signal of the one or more audio-video media players to the digital monitor; a line connecting the audio signal of the one or more audio-video players to an audio signal splitter having multiple line out signals; and a connection from a line out signal of the audio signal splitter to an automobile's audio system.

Abstract: The present invention is related to a flat panel for cathode-ray tube capable of securing a large viewing area in the flat panel which is fitted into a window of a cabinet. In accordance with the panel of the present invention, stepped portions are formed along an edge of a face to fit the panel into the window of the cabinet. A depth from a surface of the face to a surface of the stepped portion is set to satisfy a condition of 2?Tf/Tc?0.7 where Tf is a vertical distance from a starting point of the stepped portion to an inner surface of the panel and Tc is a thickness of the center of the face. The panel in accordance with the present invention can provide perceptual flatness to a viewer; improved implosion-proof characteristics; and a structure capable of enduring an external mechanical impact. Further, the panel having a precise structure can be manufactured by a press-molding process.

Abstract: Disclosed herein is a videoconferencing carrel having a one-piece, rotationally molded shell defining an area for containing electronic videoconferencing equipment, having mounting flanges for a transparent screen to protect the electronic components, exit openings to allow wiring for handset attachment and connection to power and networking lines for use as a videoconferencing carrel. A method for manufacturing a one-piece rotationally molded videoconferencing carrel is also provided generally including the steps of providing a mold with a cavity, introducing a polymeric material into the mold cavity, molding the polymeric material into the shape of the videoconferencing carrel, removing the carrel from the mold and placing the molded carrel in a cooling fixture to produce a molded article of manufacture constituting the invention.

Abstract: An attachable frame for flat display panels includes a flat display panel, a main structure, a bracing structure, a front frame and a rear frame. The main structure and the bracing structure provide bracing and steady support for the entire body. The front frame and the rear frame provide a desired appealing for the entire body. The main structure, bracing structure, front frame and rear frame are separable elements and are designed according to the dimension of the flat display panel. They may be assembled to form the exterior of the flat display panel, and become attachable to the flat display panel.

Abstract: An image display device includes a case having an opening, a luminous source image display displaying a first image, a focusing element receiving light from the source image display and focusing the light to form a second image that is viewable through the opening of the case, and an image source providing image information to the source image display so that the source image display displays the first image. The focusing element has a concave mirror and a mirror supporter that supports the concave mirror. The perimeter of the concave mirror has at least one straight- cut portion that has a line contact with the mirror supporter. The image information provided by the image source is changed with user interaction.

Abstract: The present invention relates to the monitor having ribs for fixing a CRT comprising a CRT, a shield cover which is assembled enclosing said CRT from behind and a monitor case composed of at least two covers which enclose said CRT and said shield cover, and are joined one another by joining members, wherein the ribs for fixing the CRT are formed protruding from the inner surface of said monitor case in accordance with the shape and contours of the outer periphery of the CRT so that the CRT is fitted into the ribs and secured by joining force between said covers which are joined by said joining members. Since the CRT is fixed by the binding force between the covers comprising the monitor case and by said fixing ribs for the CRT, fixing lugs at each edges of the CRT are not necessary. Accordingly, there arises a merit that the size of the monitor can be reduced close to the actual screen size.

Abstract: A computer (10) having a monitor housing (12) within which is affixed a logic module (24) having thereon a processor (36), a memory module (38), an internal power connector (39), a fixed disk drive (40), an internal data connector (41), and an external connector panel (46) all generally housed within a sheet metal housing (42) having therein a plurality of perforations (44) for allowing air from a fan assembly (30) to pass therethrough. A power supply (28) and monitor screen (14) are provided in the monitor housing (12) such that when the logic module (24) is mounted and electrically connected within the monitor housing (12) a generally complete computer (10) unit is provided. An auxiliary drive (16) is optionally provided and affixed to the logic module (24) such that the auxiliary drive (16) is externally accessible when the logic module (24) is affixed within the monitor housing (12).

Abstract: A method and apparatus are provided for implementing a compact portable computer system. The compact portable computer system includes a keyboard and a computer display disposed above and generally parallel to the keyboard. A pivot mechanism and a pair of supporting arms are coupled between the pivot mechanism and a respective one of the keyboard and computer display for adjustably positioning the computer display above the keyboard.

Abstract: A cabinet for a projection television system, the cabinet including a one-piece molded structure for mounting the components, and reference surfaces unitary with the structure, for mechanically aligning critical optical components of the television system with one another.

Abstract: A panel (2) of a vacuum envelope includes a substantially rectangular effective portion (8) having a substantially flat outer surface and also having a phosphor screen 1 formed on an inner surface, and a skirt portion (9) provided along a peripheral part of the effective portion and extended substantially perpendicularly to the effective portion. A funnel (3) is bonded to the skirt portion. A reinforcing band for fastening the skirt portion is attached round an outer surface of the skirt portion. When a distance in a direction of the tube axis from a bonding part between the panel and the funnel to an end of the reinforcing band on the outer surface side of the effective portion is represented by a and a distance in the direction of the tube axis from the bonding part to a central position of the outer surface of the effective portion is represented by h, the reinforcing band is arranged to satisfy a ?0.9h.

Abstract: In a configuration in which a cabinet is formed by an insulating material, there are provided a filter substrate 3 for electrically connecting a DVD device 1 to a television circuit substrate 5 and a shielding case 2 for covering the DVD device 1 and the filter substrate 3.

Abstract: A display apparatus has a cathode ray tube bulb which includes a panel displaying a picture thereon, a funnel combined with the panel, and a neck connected to the funnel. The display apparatus further comprises an electron gun unit which includes an electron gun main body inserted into the neck and a boss part protruding from the neck at a rear part of the electron gun main body and having a plurality of pins disposed therearound, and a video unit which includes a video PCB disposed parallel to the axis of the neck and a boss holder vertically provided on the video PCB and combined with the boss part so as to transmit a video signal from the video PCB to the electron gun unit. With this configuration, space for installation of the video PCB is minimized, and the video unit is not easily separated from an electron gun unit.

Abstract: In a cabinet fixing structure, a holder provided in a fixing portion of a rear cabinet is formed with a pair of notches extending along a fitting direction, while a boss provided in a fixing portion of a front cabinet is formed with a pair of rail ribs engaging the notches. The holder is fitted with the boss and the rail ribs are engaged with the notches, so that the holder is fixed to the boss with respect to the rotational direction of the screw, with a tightening torque applied to the boss being distributed over the holder.

Abstract: A shielding apparatus of projection television is disclosed. A metal shield casing made of metal plate members shields an optical block and a circuit block. Metal plate printed board holding sections are connected to the metal shield casing detachably at predetermined intervals, and hold the printed board. Connection sections of the metal shield casing elastically contact with the printed board holding section, and connect so as to conduct electrically with the metal shield casing. Further, a part of the metal plate casing of the printed board holding section is elastically fixed to the metal shield casing through the connection section, and shields the optical block and circuit block. Thus, the shield casing excellent in shielding effect of high frequency circuit and easy in servicing is presented.

Abstract: A rear projector has a lower cabinet disposing an image generator and an upper cabinet for a screen body to be mounted, two woofer boxes being mounted on the front side of the lower cabinet and high-pitched sound speaker boxes being respectively mounted on the right and left lateral sides of the upper cabinet, so that, since the woofer box is disposed in the lower cabinet, vibration is not easily transferred to a screen body on the upper cabinet and a reflection mirror inside the upper cabinet, thus avoiding flicker of the image on the screen body even when great volume of sound is outputted by the woofer box.

Abstract: An apparatus is used for providing programming. The apparatus comprises a display device having a clip for attaching the display device to another object and a main body for receiving the programming which is displayed on the display device. The main body either has a surface so that the main body sits on the object or a further object, or the main body has a hook for attaching the main body to one of the object or the further object. The apparatus further comprises a speaker unit which has a hinge portion. The speaker unit also have a hook for attaching the speaker unit to one of said further object, said another object and an additional object.

Abstract: A modular television for allowing a user to perceive an operation according to a selection of a module and/or a module function, is disclosed. The modular television includes a module rack having at least one module connection slot for mounting at least one module thereon, a main board for transmitting and receiving a multimedia signal to/from the module mounted in the module rack, mutually, and a distinguishable sound generator, when the module mounted on the module rack is selected, for providing a distinguishable acoustic signal corresponding the selection signal of the module.

Abstract: To provide an image display device, such as a liquid crystal receiver or the like, that has a printer incorporated therein for printing a displayed image on the spot, upon switching-on of a television receiver, an image forming device activated and images or the like are projected onto a display screen. Here, by appropriately operating an operation section or the like, a command requiring images being displayed on the display screen to be printed out, is inputted into the image forming device. As a result, the printing command signal is issued from the data processing section provided in the output section to the printer unit, together with an image file appropriately converted from video signals. The printer unit develops the input image file, prints the corresponding image, and outputs it.

Abstract: An improved restraint system is disclosed for preventing a television set from tipping over and falling from a mounted position upon a table surface. The present system comprises an upper harness having a pair of adjustable straps joined together at their base in a bifurcated configuration, each of the straps being provided at their uppermost ends with a clip member having a hook-like form intended to engage the rear housing cover of a conventional television set. The upper harness straps are secured at their base to a mounting plate adapted for attachment to the back edge of the table surface so that the upper harness straps may extend upward onto the rear housing cover and engage both sides thereof via the clip members.

Abstract: Pad portions are respectively integrally protruded to be formed on an outer surface of a substantially funnel-shaped sidewall portion of the glass funnel for projection. A ridgeline for a reference end face formed on the pad portion comprises a first curved portion to form a top portion and second curved portions to form rising portions. The first curved portion and the second curved portions are smoothly continuous to each other without bending portions. The second curved portion is smoothly continuous to the outer face of the sidewall portion without bending portions.

Abstract: Display observation angle of which is multidirectionally adjustable, including a panel control system, a panel, a transmission mechanism and a housing receiving the above components. The panel control system includes a program processing unit for turning on/off the transmission mechanism, a command input unit for giving control signal to the program processing unit and a mechanical position detection unit for always sensing the operation state of the transmission mechanism. The transmission mechanism includes a motor drive circuit and a mechanical unit composed of several gear sets mounted on the housing. The program processing unit activates the gear sets of the mechanical unit, whereby the panel is driven by the transmission mechanism. After the panel is extended out of the housing, the panel can be swung forward downward, backward upward, leftward or rightward.

Abstract: A flat mirror for folding an optical path in a casing of a rear projection television is arranged in the casing on not the side of a screen but a rear or upper side of the casing. In order to direct an optical path of an image projection to a flat mirror on a rear or upper side of the casing, a plurality of focusing mirrors, with which a light beam can be directed at a large angle with respect to a normal line of the screen and can focus an image through a shorter distance compared with a conventional lens system, are used. Since the light beam projected by the focusing mirrors is directed at high angle and reflected by the rear or upper side flat mirror in the casing, the light beam is focused on the screen provided on a front side of the casing.

Abstract: A rear projector (1) has a closed space (530) including an inside of an upper cabinet (12) and an electric optical device (44), where the electric optical device (44), a sirocco fan (541) located below the electric optical device (44), a duct (542) covering the upper side of the electric optical device (44) and a heat sink (543) attached to the upper cabinet (12) are disposed and an upper cabinet cooling system (600) that cools the interior of the closed space (530) in a circulative manner is provided in the closed space (530), thereby preventing invasion of duct etc. and providing high-quality image.

Abstract: Structure for fastening a flat Braun tube to a cabinet including a front cabinet portion and a rear cabinet portion, an extension forming an annular flange about a funnel and the panel of the flat Braun tube, a seat formed inside of the front cabinet portion for seating against the annular flange, and a supporting member for supporting a back surface of the annular flange, whereby compression forces are applied between seat and the back surface of the supporting member and are limited to directions orthogonal to the major surfaces of the annular flange, and substantially no compression forces are applied against peripheral edges of the annular flange.

Abstract: A television tuner includes a metal frame having four side plates. The area inside the frame is divided by a shield plate into a first division adjacent to a first side plate and a second division adjacent to a second side plate opposite to the first side plate. A first connector receiving a television signal is disposed on a third side plate forming the first division. The first division contains a first wideband amplifier adjacent to the first connector and a distributor between the first wideband amplifier and a fourth side plate to be adjacent to the first wideband amplifier. A second connector that outputs one of two signal components split in the distributor is disposed on the first side plate. A tuning section is disposed in the second division. Other wideband amplifiers may provide isolation between the distributor, the second connector, and the tuning section.

Abstract: A television tuner unit includes a tuner that frequency-converts a received television signal into an intermediate-frequency (IF) signal, a video IF circuit that demodulates the IF signal, and a conductive frame having four side plates that houses the tuner and the video IF circuit. The internal space of the frame is divided into first and second regions that face each other, the first region being more proximate to the first side plate than the second region. The video IF circuit and the tuner are provided in the first and second regions, respectively. A connector through which the television signal is input is formed on the third side plate at a position corresponding to the second region. Terminals connected with the tuner and the video IF circuit are formed on the first side plate.

Abstract: A speaker housing for mounting at least one speaker therein is disclosed. The speaker housing includes a speaker enclosure sealed to a speaker cover. The speaker enclosure includes an opening for sealing a connector attached to a crossover printed circuit board assembly thereto. The connector protrudes through the opening in the speaker enclosure while the printed circuit board to which it is attached compresses a compressible gasket against a wall surrounding the opening in the speaker enclosure, sealing the connector thereto. The chassis wiring is coupled to the connector providing an inexpensive sealed interface between the electronics chassis and the crossover board assembly.

Abstract: The appearance of a cabinet for a device (e.g., a television) is dynamically controlled. One way of controlling the appearance of the cabinet is by providing a display panel on the cabinet. At least one input is obtained from an input device and processed by a controller. Based on these inputs, the controller sends signals to the display panel to change the appearance of the display panel. Lamps and heat-sensitive materials may be used to effectuate the desired change in appearance. The cabinet display features may be controlled to give the device the appearance of having a persona or of being an independent animate being. For example, lights in the cabinet could flash to suggest the device is laughing in response to the detection of a laugh track in a sitcom being displayed on the device. Patterns and colors can be generated to reflect moods according to the preferences of an interaction-design programmer.

Abstract: A cathode ray tube having an evacuated envelope including a substantially rectangular faceplate panel with a sidewall joined to a funnel and an implosion resistant band surrounding at least a portion of the sidewall and in contact therewith. The cathode ray tube is mounted in a cabinet by a plurality of mounting lugs. The mounting lugs having a base portion attached to the implosion resistant band, an adjoining portion substantially perpendicular to the base portion, and a mounting portion positioned at an angle in respect to the adjoining portion. The mounting portion having an aperture for receiving a fastner for coupling the mounting portion to the cabinet.

Abstract: A computer generated image may be displayed inside an enclosure. The enclosure may include a transreflective surface so that the user can view the image generated by the computer system overlaid with a body part of the user. The computer generated images may move relative to the known position of the body part. As a result, the illusion is created that the physical body part interacts in a meaningful way with the computer generated image.

Abstract: A cabinet cord eject structure includes a cord eject port penetrated in a rear part of a rear cabinet molded of a flame retardant synthetic resin, and a movable lid for closing the cord eject port integrally formed via a thin hinge portion on the rear cabinet. The movable lid is rotated open around the thin hinge portion, a chassis is inserted into the rear cabinet, an AC cord is pulled out through the cord eject port, the chassis is placed on a bottom plate portion of the rear cabinet, and the movable lid is rotated closed around the thin hinge portion to close the cord eject port.

Abstract: The present invention provides an improvement in the mounting of a cathode-ray tube within a bezel. The cathode-ray tube includes a unitary shellbond frame having integral mounting lugs which are positioned at locations either in the corners or off of the corners. The mounting lugs are formed with tapered sections along a depth dimension to allow a tube having the shellbond frame applied to be simply lowered into a bezel having lug receiving recesses of a complimentary shape. The tapered lug and complimentary lug receiving recess provides self-alignment of the tube before it is secured to the bezel.

Abstract: A flat display panel fixing apparatus includes a flat display panel, a back cover on which the flat display panel is fixed by a fastener, and a front cover fixed on the back cover.

Abstract: A personal entertainment unit including a chair having at least one arm within which is housed a projector. The arm includes a door enabling an image to be projected from the projector outside of the arm. The door, when closed, hides the projector from view. Alternatively, the door may be located on top of the arm and a periscope configuration is used to project the image upwardly and then horizontally from the arm to be displayed on a surface. The door is generally electrically driven and, when in a closed position, is flush with the upper surface of the arm.

Abstract: A system includes a shutter which selectively allows access to an infrared detector, when accessed directly by a processor-based system, such as a set-top computer system. In this way, infrared commands may be blasted from a set-top computer system to an appliance, e.g., a television receiver, without interference from other remote control units. When the controlling device is not sending signals to the television receiver, the shutter may allow other remote control units to control the appliance. The shutter may be a voltage controlled liquid crystal shutter, whose transmissivity is a function of the applied voltage.

Abstract: A television-watchable refrigerator system and a method for operating the same. A Web pad is detachably mounted on the outer surface of a refrigerator and a television (TV) module or TV antenna module is provided to receive a television signal and wirelessly transmit the received television signal to the Web pad, thereby removing a need for wiring to provide a wired connection of the refrigerator with a television antenna terminal. The TV module or TV antenna module is connected with a television set or television antenna terminal to receive a television signal therefrom and wirelessly transmit the received television signal to the Web pad. The Web pad is detachably mounted on the outer surface of the refrigerator to wirelessly receive the television signal from the TV module or TV antenna module and display it.

Abstract: A front panel for electrical equipment is provided that has a plurality of push buttons formed integrally with the front panel and requires no additional panel for covering around the push buttons while being excellent in appearance. Each of the push buttons is linked to the face plate of the front panel through a button supporting portion and a button arm. The button supporting portion is extended from the back of the face plate at a substantially right angle to the face plate. The button arm is extended from the rear end of the button supporting portion so as to be parallel to the face plate. The face plate and the button arm are arranged, with a space formed by removing a slidable core, to overlap each other when viewed from front. Thus, the front panel does not require any additional cover panel.

Abstract: A printed circuit board (PCB) bracket for a monitor has a bottom plate including a corrugated part formed at a predetermined portion of the bottom plate and preventing a deformation by a vertical external force, a front plate formed at the front of the above corrugated part and folded vertically against the bottom plate, a pair of protruding plates protruding from both sides of the front plate and including respective connecting hole, a pair of side plates formed extensively at both sides of the bottom plate, including a securing protuberance formed at a position corresponding to the above connecting hole and connecting protuberance formed at a predetermined portion, and a rear plate formed at the back side of the bottom plate and folded vertically.

Abstract: An integrally weighted base suitable for attachment to a bottom surface of an enclosure to form an integrally weighted cabinet. The integrally weighted cabinet is able to satisfy load bearing and tip over standards without requiring the addition of separate weights. The base preferably includes a frame and fill material disposed within the frame. The frame may be metal or plastic. Fill material is poured into the frame and allowed to set. The fill material may be any suitable material having a density sufficient to act as a weight or counterbalance, such as, e.g., concrete, a concrete and fiber mixture, metal, or a concrete and metal mixture. The base may further include a plurality of openings to dissipate heat from within the interior space of the cabinet. In one implementation of the present invention, the base replaces a bottom panel of a typical PTV cabinet and further eliminates the need for attaching separate weights onto a bottom panel of a typical PTV cabinet.

Abstract: A cradle for a wireless monitor includes a body, a monitor connection port, a wireless communications module, a computer signal input port, a TV tuner, and a TV signal input port. A switch including a control circuit and a user actuated mechanical mechanism is electrically connected between the monitor connection port and the wireless communications module, and the computer signal input and the TV tuner. The control circuit detects states of the computer signal input port, the TV tuner, the monitor connection port, and the wireless communications module and controls the switch accordingly to establish connections.

Abstract: A speaker bracket, speaker baffle, speaker cover, and a method for standardizing speaker box assemblies for television sets having different sized speakers using the bracket, baffle, and cover. A speaker box assembly is provided that includes a speaker cover having a stepped inverted surface. A speaker bracket is also provided. The speaker bracket is then installed onto the speaker cover using a securing member. Then, a surface of the speaker bracket is mated with a speaker bore disposed on a cover of the television set. The method can also include the step of installing the speaker baffle. The speaker bracket can have a stepped inclined surface that is sized to closely fit inside the stepped inverted surface of the speaker cover. If so, the step of installing the speaker bracket onto the speaker cover includes fitting the stepped inclined surface of the bracket with the stepped inverted surface of the speaker cover.

Abstract: A thermal dissipation structure is suitable for use with a first and second housing members to be assembled with each other. The first and second housing members are provided with a first and second assembly structure, respectively. The first assembly structure includes a first contact surface and the second assembly structure includes a second contact surface. A plurality of recesses are arranged on either the first or second contact surface. The first and second housing members assemble with each other through engaging the first and second assembly structures into each other so that the first contact surface abut against the second contact surface, forming thereby a contact interface between the first and second housing members. The recesses form a plurality of ventilation passageways that communicate with an interior and an exterior of the first and second housing members along the contact interface to dissipate heat.

Abstract: An integrated circuit is mounted on a printed board in a state in which a first edge thereof is located to face to a first side of the printed board and a second edge adjacent to the first edge is located to face to a second side adjacent to the first side of the printed board. A power supply terminal provided on the first edge of the integrated circuit, an AGC terminal and an oscillator terminal respectively provided to a third edge are connected to external terminals via conductive patterns extended to the first side on the printed board. An electrode for measurement is provided in the vicinity of the second side on the printed board and an intermediate frequency output terminal provided on a second edge of the integrated circuit is connected to the electrode via a conductive pattern extended from the second edge to the second side on the printed board.

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.