Abstract: First (3), second (5) and third (7) eccentric cams, positioned in substantially the same plane, mate with corresponding first (9), second (11) and third (13) slots in a bracket (1). Rotation of the first cam (3) has the ability to move the bracket (1) in an X direction. Rotation of the second cam (5) has the ability to move the bracket (1) in a Y direction perpendicular to the X direction. Rotation of the third cam (7) has the ability to rotate the bracket (1) in a plane defined by said X and Y directions.

Abstract: A projection television has a screen that can be oriented toward the viewer. An image-projecting device produces an enlarged video image. A reflecting mirror reflects the enlarged image to the screen from behind such that the image is focused on the screen. A casing houses the screen, the image-projecting device, the reflecting mirror. At least one of the screen, image-projecting device, and reflecting mirror, and casing is tiltable such that the screen is oriented toward a viewer, so that the viewer is able to view the video image having a maximum luminance.

Abstract: A projection panel assembly is mounted on a casing for holding a screen so as to mount a front panel on the viewing side of the screen. The projection panel assembly includes a fixing portion for directly fixing the front panel and a supporting portion for movably supporting the front panel via the fixing portion. This makes it possible to absorb any distortion of the front panel due to thermal expansion and contraction.

Abstract: The present invention is disclosed an optical assembly comprises an optical engine in a carrier, which is fixed a lower frame on the one side of the carrier. The lower frame has an inlet approach to one side of the optical engine that enable the projection lens of the optical engine to extend the lower frame. A first mirror is fixed on the other side of the lower frame, in front of the projection lens. Exit of the lower frame is on the optical path of the first mirror and is disposed on an inlet of the upper frame. A second mirror is fixed on rear of the upper frame on the optical path along with the optical reflection path of the first mirror. The optical reflection path of the second mirror faces the exit of the upper frame, which is provided a screen.

Abstract: The present invention is related to a multi-axis adjusting apparatus comprises a base with an upper surface, and each side of a central line of the base has at least one slot; a sliding seat, which is set on the upper surface of the base, and each of two ends of an upper surface of the sliding seat has at least one screw hole, each position of two sides of the upper surface of the sliding seat corresponding to the slot has at least one sliding plate, which has a U-shaped slot; a plurality of fixing screws, which are inserted into the U-shaped slot and the slot; a carrier, which is mounted on the upper surface of the sliding seat, and each of two ends of the upper surface corresponding to the screw hole has at least one fillister with one penetrating hole; plural adjusting screws are going through the screw holes and connecting to the penetrating holes by way of a floating structure.

Abstract: A screen fastening device of a projection television having a front cabinet including a front window of a case, a screen for penetrating or forming an image, a fastening bracket for fastening the screen to the front cabinet, a mating portion for removably fastening the fastening bracket, which has one or more hooking protrusions formed on the fastening bracket, and a hooking protrusion receiving portion formed on the front cabinet to correspond to the hooking protrusion, to the front cabinet, and a supporting member for supporting and holding the fastening bracket for the mating portion to firmly fasten the fastening bracket to the front cabinet is provided. The screen fastening device can improve the workability and productivity as it can fasten or unfasten without using screws on the front surface of the projection television by the mating portion and the supporting member.

Abstract: A projection television set having an enclosure housing a screen, an optical unit and a mirror, wherein the optical unit and mirror are capable of projecting an image onto the screen. The enclosure is preferably constructed from hollow plastic extruded panels. In addition, the enclosure preferably includes a duct extending upwardly from a lower portion of the enclosure to exhaust heat radiating from components housed therein to the exterior of the enclosure toward the top of the enclosure.

Abstract: Recording/reproducing apparatus including recording electronics and playback electronics and a radio receiver responsive to a selected television signal for supplying a composite video signal to the recording electronics at selected times are contained within a unitary package designed to rest on a surface. A video camera supplies composite video signal for selective application tothe recording electronics at other times, the supplying of those composite video signals to said recording electronics being done by means other than cabling from the video camera to the unitary package. The video camera is included within the same unitary package as the magnetic recording/reproducing apparatus in some systems, thus to eliminate cabling from the video camera to the unitary package.

Abstract: A screen assembly holding mechanism is provided for multiscreen displays employing an abutted array of substantially identical display devices that each display a subdivided portion of a total image such that together they display the total image. Each display device includes a screen and a Fresnel lens that form a screen assembly. The screen assembly is connected to the display device by the screen assembly holding mechanism. The screen assembly holding mechanism provides a significantly smaller boundary between the display devices than has before been possible and does not significantly interrupt the total image. The screen assembly holding mechanism also allows for differing expansion and contraction rates of the screen and Fresnel lens and substantially lessens the likelihood of either becoming detached from the screen assembly holding mechanism. The screen assembly holding mechanism may include a safety lip that covers an outer edge of the screen for protection against injury.

Abstract: An overhead projector mounting system is provided that is configured to support a projector in a ceiling of a room. The system includes a housing having an opening through which an image generated by the projector is transmitted. Preferably, the system includes a mirror to reflect the image generated by the projector toward a viewing surface in the room.

Abstract: An audio apparatus for an equipment relates to an improvement of the sound quality in an acoustic apparatus of the equipment in which for an equipment having a woofer (4) and a tweeter (5), the acoustic apparatus (10) of the equipment includes a panel portion (3) which forms a part of a casing (2) of the equipment and has a plurality of holes (H), a sound conductor (8) which is arranged between the woofer (4) and the panel portion (3), and a buffer member (9) which is provided between the sound conductor (8) and the panel portion (3) and absorbs any woofer vibration.

Abstract: A screen assembly for a rear projection television set, including a frame portion extending about a viewing portion thereof, the viewing portion defining a lenticular screen. The frame and viewing portions may be formed as one piece, for example from injection molded plastic. The screen assembly includes a fastener for mounting the lenticular screen to a projection television set over an opening therein, and preferably for slidably mounting the lenticular screen in a focal plane thereof. The fastener may include slots extending horizontally along upper and lower regions of the frame portion for receiving slide rails attached to the television set. A set of projection tubes and a mirror mounted in the television set project a viewable image onto the lenticular screen.

Abstract: The power control apparatus in a display device including a button, a link bar and a power switch is provided. The monitor includes a bracket, a circuit board and a panel. The bracket includes a guiding slot. The button, which includes a first end and a second end, is located on the panel. The first end is provided to be accessed by a user. The link bar has a first end and a second end. The first end of the link bar contacts with the second end of the button such that the link bar moves responsive to movement of the button. The power switch, responsive to movement of the second end of the link bar, selectively applies a power supply to the circuit board. The link bar includes an engagement portion for engaging with and sliding longitudinally along the bracket. The link bar of the invention is easily installed and disjoined and does not occupy the space on the print circuit board.

Abstract: A projection type displaying apparatus with a movable built-in screen has an image display, an image projector and a position detector for detecting a position where the built-in screen is installed. When the position detector determines that the built-in screen is in an image projection pass, the focus of the image projector is adjusted on the built-in screen and the image projector projects the image onto the built-in screen. When the position detector determines that the built-in screen is out of the image projection pass, the focus of the image projector is adjusted on an external screen and the image projector automatically projects the image onto the external screen.

Abstract: A video display screen is held by an elongated holding bracket that has a inwardly extending flange at a distal end of the bracket. The flange fits into a groove extending along the edges of the screen to hold the screen. The bracket is fastened to a support structure. The interior surface of the bracket is advantageously inclined at an angle so the interior surface does not block the light from the projected image, and also has a plurality of grooves to reflect any light incident on the surface away from the screen. In further embodiments, the flange comprises a removable channel section that extends on opposing sides of the screen to hold the screen, with the channel being held against the bracket by a leaf spring.

Abstract: An image rotating apparatus presents a projected video image upon a rear projection screen that is rotated extremely rapidly about a vertical axis which exactly bisects the picture in the vertical plane. The rotational rate is such that an entire audience, regardless of their position about the apparatus, can view the projected video image simultaneously. The video image rotating apparatus utilizes light valve technology to create red, green and blue images from an analog composite video signal, and a Phillips prism that aligns the images produced by the light valves for projection through an optical system. The image produced by the light valves is rotated, either mechanically or electronically, in synchronization with rotation of the projection screen.

Abstract: A video display system for a mobile simulator, comprising a shock-isolated projector assembly for projecting video images, a shock-isolated first mirror assembly disposed in combination with the projector assembly, a shock-isolated second mirror assembly disposed in combination with the first mirror assembly, and a shock-isolated screen assembly disposed in combination with the second mirror assembly, wherein the projector assembly, the first mirror assembly, the second mirror assembly, and the screen assembly are configured, in combination, such that the video images projected by the projector assembly are directed to the first mirror assembly, are reflected from the first mirror assembly to the second mirror assembly, and are subsequently reflected from the second mirror assembly onto the screen assembly.

Abstract: A video display screen is held by an elongated holding bracket that has a inwardly extending flange at a distal end of the bracket. The flange fits into a groove extending along the edges of the screen to hold the screen. The bracket is fastened to a support structure. The interior surface of the bracket is advantageously inclined at an angle so the interior surface does not block the light from the projected image, and also has a plurality of grooves to reflect any light incident on the surface away from the screen. In further embodiments, the flange comprises a removable channel section that extends on opposing sides of the screen to hold the screen, with the channel being held against the bracket by a leaf spring.

Abstract: A video display is provided which includes a display screen mounted to a forward end of the video display, a video projector having a center of gravity, and a reflective assembly for directing light from within the video projector to the display screen. The video display further includes a frame for supporting the display screen, the video projector and a reflective assembly in an operative relationship. Stationary brackets are rigidly mounted to the frame, and projector brackets are rigidly mounted to the video projector. The projector brackets are pivotally mounted to the stationary brackets for rotating relative to the stationary brackets, about a pivot point. Rotating the projector brackets relative to the stationary brackets rotates the video projector relative to the frame, from a first position to a second position.

Abstract: A display apparatus with a shield unit which is easily mounted includes: a cathode ray tube for displaying images; a first cover in which the cathode ray tube is assembled; a cathode ray tube bracket fixed to the front case for supporting the cathode ray tube, and having a reeve in the rear, a shield cover installed in the rear of the cathode ray tube bracket for shielding an electric field, and having a coupling unit in the front; a guiding rail for shielding an electric field, and of the shield cover with the reeve formed on the cathode ray tube bracket; and a second cover coupled with the first cover for covering the shield cover.

Abstract: A television receiver includes a removable panel that physically supports an integrated circuit board that provides for external control of certain of the receiver functions. A telephone jack and an antenna jack are secured to the removable panel for enabling external access. The television receiver has a separate communications microprocessor that communicates with the master microprocessor controller and a power supply that provides low voltage power for external use.

Abstract: An electronic apparatus wherein a light receiving window is formed in a cabinet for passing therethrough an input command signal supplied from a remote commander to execute various control actions, so that desired operations can be performed by manipulating the remote commander. The window is formed in a blank portion of and/or between characters/figures inscribed on the cabinet or on a logo plate attached to the cabinet. A light sensor or a light emitter is disposed in a stage posterior to the light receiving window. When the apparatus is applied to a television receiver or a projector embedded in a wall by user's customization in a manner that only a display screen and a frame thereof are seen on the wall, the external design is not spoiled while the command signal from the remote commander can still be inputted properly.

Abstract: A rear projection type image display apparatus having an arrangement that a projection distance of a projection lens thereof is shortened and a density of mounting of parts relating to an optical system and an electric system is made higher. Furthermore, a width of a rear portion of a housing of the rear projection type image display apparatus is reduced rearwards at any position from the upper portion to the lower portion thereof, and the lower portion of a back cover is depressed inwards. Thus, a space required to install the rear projection type image display apparatus can be reduced, the rear surface of the apparatus can be disposed on a wall without any gap when the apparatus is installed along the wall, and the overall body of the apparatus can be received deep into a corner of walls when the apparatus is installed at the corner.

Abstract: A projection television includes a video projector for projecting a video image, electrical circuit for supplying a video signal to the video projector, and screen on which the video image projected from the video projector is formed. At least the screen is arranged in a first housing and at least the video projector is arranged in a second housing. The projection television is adapted to be disassembled either into two separate housings or into one overall assembly where a housing of a smaller volume of the two housings is completely accommodated within a housing of a larger volume. The second housing may be pivotally coupled to the first housing so that the second housing pivots out of the first housing to a first position to project the video image onto the screen when assembled for viewing, and into the first housing to a second position to be completely accommodated in the first housing.

Abstract: An electronic appliance with a construction capable of maintaining a desired contact space between the control switch of its control circuit board coupled between first and second cases mating with each other and the control shaft of its control knob. A plurality of elastic members are provided at the second case to apply a resilience force generated therefrom to the control circuit board when they receive a force applied to the first case upon assembling the first case with the second case via the control circuit board, so that the control circuit board can move toward the first case in such a manner that an accurate contact space is maintained between the control knob fixedly mounted to the first case and the control switches of the control circuit board. Accordingly, an improvement in productivity and reliance is achieved.

Abstract: A projection type displaying apparatus with a movable built-in screen has an image display, an image projector and a position detector for detecting a position where the built-in screen is installed. When the position detector determines that the built-in screen is in an image projection pass, the focus of the image projector is adjusted on the built-in screen and the image projector projects the image onto the built-in screen. When the position detector determines that the built-in screen is out of the image projection pass, the focus of the image projector is adjusted on an external screen and the image projector automatically projects the image onto the external screen.

Abstract: A control panel is disclosed for a monitor having a cabinet. The control panel includes a cover having a top flange and a front flange, wherein the top flange includes a plurality of apertures and first resilient clips and the front flange includes a plurality of second resilient clips and a translucent section adapted for transmitting infrared light. The cover further includes a button module having resilient buttons and a plurality of third resilient clips, wherein each of the buttons extend through an associated aperture and are adapted to enable operation of selected functions of the monitor. In addition, the cover includes an emitter having light emitting elements for emitting infrared light, wherein the emitter is removably secured to the top cover by the third resilient clips such that the light emitting elements are positioned adjacent the translucent section.

Abstract: The present invention provides a screen assembly wherein measures are taken to prevent slack produced in a lenticular lens sheet due to temperature changes and gaps created between a Fresnel lens sheet and the lenticular lens sheet due to temperature changes, thereby enabling the display of images free of inconsistencies in color. The structure of the screen assembly has the lower parts of a lenticular lens sheet and a Fresnel lens sheet comprising a screen fixed together, the upper part of the light radiant side of the lenticular lens sheet fixed to the upper part of a framework, the lower part of the screen, where the Fresnel lens sheet and the lenticular lens sheet are put together not being fixed to the lower part of the framework and a specified clearance created between the lower part of the screen and the lower part of the framework.

Abstract: A TV receiver includes a cabinet, a cathode ray tube (3) with a substantially rectangular screen (4) and two brackets (6) which are secured to side parts (9) of the cathode ray tube for the purpose of mounting the cathode ray tube in the cabinet. For easy mounting of electronic parts inside the cabinet, the TV receiver includes a lower and an upper cabinet part (1,2), and the brackets (6) and the lower cabinet part (1) includes portions for (12-17) temporarily positioning and holding the cathode ray tube (3) in a tilted position in the lower cabinet part for servicing purposes.

Abstract: A projecting unit is divided into substantial halves of a front cabinet provided with a screen on the front surface and a rear cabinet holding an optical unit box in the interior. The rear cabinet is fitted slidably and containably inside the front cabinet and is formed to be basket-shaped so that the greater part of the optical unit box may be exposed directly to the outside. Thereby, the projecting unit can be made light and compact and the transporting, installing and storing operability can be made efficient. Further, said screen can be fitted slidably forward and rearward to the front end part of the front cabinet by means of a screen pressing metal fixture and, even when plural projecting units are piled up, the screen will be able to be simply replaced.

Abstract: A method and an apparatus for positioning a projector, such as a video projector, in an enclosure, comprising a projector support surface, alignment rollers provided in connection with the support surface, and guides adapted to cooperate with the alignment rollers to guide the support surface, and a projector supported thereon, into a predetermined operative position within the enclosure.

Abstract: A projection apparatus is disclosed that can be used for projection TV and related applications. The apparatus comprises a light source, a projection optical system, a DMD with multiple micromirrors, and a controller for individually controlling the tilt of the micromirrors. The projection optical system comprises, in order from the DMD side, a first lens group, an aperture stop, and a second lens group. An illumination stop is situated between the first and second lens groups. Light from the light source passes through the illumination stop and the first lens group to impinge on the DMD. The controller coordinatedly controls the tilt of the micromirrors in the DMD so that the impinging light is selectively reflected to one or the other of the aperture stop and the illumination stop, thereby eliminating ghost-forming reflections of light not projected onto a screen.

Abstract: A mechanical deck guide and a board guide for video in which a video set and a print board for video are provided integrally with a front cabinet, and a board guide for television is disposed in an array with the board guide for video. A shield plate is provided on the mechanical deck guide so as to cover it.

Abstract: A projection type television receiver in which the screen is maintained on the framework despite temperature changes or external force application, and also a large screen video display apparatus which displays video images with minimal loss of picture area, characterized by easy installation or removal of the screen holding framework, and which is excellent in maintainability. A plurality of a projection type television receivers are arranged in multiple rows and lines for the purpose of displaying a large screen video image. Each projection type television receiver comprises a permeable screen with a screening effect, a framework for holding the permeable screen, an elastic member one surface of which is fixed to the peripheral end part of the permeable screen, and the other surface of which is fixed to the framework's holding part of the permeable screen, and which is readily deformable according to applied external forces, and a cabinet having its opening installed within the framework.

Abstract: An optical assembly device (10) for use in front of a television screen having a diagonal dimension of S, which optical assembly comprises four panels (12 to 15) connected together to form a hollow body (11) having a substantially rectangular open front side (16) of width W and the height H and a substantially rectangular open rear side (17) of width W' and height H', the separation between the front and rear sides (16 and 17) being D and the inner sides of the panels being reflective. The optical assembly (10) further comprises front and rear lenses (18 and 19) provided extending across the open front and rear sides (16 and 17), respectively, of the body (11), the front side of the rear lens (19) being reflective, wherein the dimensions are related according to the following formulae:(1) W=[1+(W'/H'-B)].multidot.W'(2) H=[1+(W'/H'-B)].multidot.H'(3) D=K.multidot.SWhere:(i) B=(.sqroot.5-1)/2(ii) 0.1<K<0.2.

Abstract: A projection-type television having a movable reflective mirror provides a simple structure having a pleasing external appearance. A reflective mirror for reflecting images is movably installed on a guider so as to be moved back and forth by the guider in a perpendicular direction with respect to a screen on which the images are displayed.

Abstract: A projection television set includes a body composed of at least two divided upper and lower units, a screen assembly having an integrally formed screen corresponding to the body, and a plurality of bolt and nut assemblies for coupling the divided units together. Each of the upper and lower units has a projector for emitting light rays for forming an image on a screen and a reflector for reflecting the light rays from the projector onto the screen. The projector of the lower unit is arranged below the reflector of the lower unit, and the projector of the upper unit is arranged in an intermediate position between the reflector of the upper unit and the reflector of the lower unit so that setting angles of the two reflectors are different from each other. A screen assembly is mounted on a front face of the body.

Abstract: The present invention permits easy and safe replacement of a lamp, improves stability of a video projector, and provides a compact and lightweight video projector.A projector driving battery is mounted in a battery mounting section formed in the bottom of a cabinet of a video projector. Therefore, the heavy battery is located in tile bottom of the cabinet. This further stabilizes the video projector. A lamp unit is mounted on a lamp mounting section formed in the back of the cabinet. When the lamp unit is mounted, a power output terminal in the cabinet is connected with a power input terminal of tile lamp unit at the same time. Thereby, when a lamp is replaced, it is unnecessary, unlike conventionally, to open and close a cover or electrically couple the lamp. Specifically, lamps can be changed merely by dismounting and mounting lamp units. Furthermore, a spare lamp unit 20 can be used as a lens cap.

Abstract: A projection-type display device comprises: a display body including an upper cabinet having a screen at a front portion thereof and a lower cabinet having a pair of side frames for supporting the upper cabinet; a projector unit including projectors and mounting device on which the projectors are mounted movable in the forward/backward directions with respect to the lower cabinet; guide device for guiding the projector unit to a predetermined position in the display body when the projector unit is separated from or received into the display body; locating device for locating the projector unit at a predetermined position and securing together the projector unit and the display body to separate one of them from the floor surface; and a device for supporting the other of the projector unit and the display body is grounded on the floor surface, at three positions.

Abstract: A liquid crystal finder attached video camera whose liquid crystal finder is usable as a liquid crystal projector.

Abstract: A method for installing a screen to a projection television receiver that uses a transmission-type screen such that the screen can be easily installed to and removed from the projection television receiver when multiple projection television receivers are combined to form a single large-scale multiple display system in which the receivers are stacked vertically and horizontally in an M.times.N rectangular configuration. Screen holding brackets installed in the cabinet body and screen clamping frames are used to secure the screen in place by inserting the screen clamping frames into the slight gap formed between the cabinet body and the screen holding brackets. Even when the screen clamping frames are inserted to the gap and slid to secure the screen, all movement of the clamping frames occurs within the dimensions of the cabinet body, thus making it easy to remove and install the screen even when multiple projection television receivers are combined in a single large-scale display system.

Abstract: A screen fixing device of a projection type television system including a projection unit comprises a fixing frame for detachably fixing a screen, the fixing frame being provided with a plurality of through holes each extending laterally of a front opening frame surround a front opening section at which the screen is provided, and a fastening screw penetrating each through hole for fixing the fixing frame to the front opening section of the projection unit. The fixing frame has substantially an L-shaped cross section at least at a portion through which the through hole is formed. Instead of the fixing frame, a fixing block may be used. The fixing device may comprise a plurality of first fixing members for detachably fixing the screen with a space with each other and a plurality of second fixing members for fixing the first fixing members to the front opening section of the projection unit. The first fixing members are formed of a transparent material.

Abstract: A rear projection type television unit comprises a television body having an outer casing in which electric and optical parts are accommodated and a front panel detachably attached to a front portion of the television body so as to entirely cover the front portion thereof. The television of the structure described above is accommodated in a wall structure of a chamber so that the front surface of the front panel lies on the same level as that of a front surface of the wall structure when the television body is accommodated in a wall structure. The television unit is safely and stably supported in the recessed portion formed in the wall structure by support members such as angle members secured to the side portions of the television body by engaging the same with support members secured to the wall structure.

Abstract: A projection television system which adapts automatically between from screen projection and rear screen projection upon insertion of the projector into a rear screen cabinet. A compact projection unit has a quick-disconnect electric connector and optical aligner which mate with connection elements in a projection cabinet upon insertion of the projector into an opening in the front of the cabinet. The cabinet has a two-mirror optical relay which inverts the projected picture. Upon completion of insertion, the electric connections automatically invert the image being projected by the projector. In another embodiment, insertion also automatically connects to audio equipment in the rear screen cabinet.

Abstract: A TV receiver includes a cabinet, a cathode ray tube (3) with a substantially rectangular screen (4) and two brackets (6) which are secured to side parts (9) of the cathode ray tube for the purpose of mounting the cathode ray tube in the cabinet. For easy mounting of electronic parts inside the cabinet, the TV receiver includes a lower and an upper cabinet part (1,2), and the brackets (6) and the lower cabinet part (1) includes portions for (12-17) temporarily positioning and holding the cathode ray tube (3) in a tilted position in the lower cabinet part for servicing purposes.

Abstract: A multiple projection television receiver is made from of identical modules, each of the modules each of which have three cathode-ray tubes corresponding to the colors red, green and blue, respectively. The modules are stacked vertically and horizontally to form a single picture made from the modules. Each of the modules has a screen in the front behind which is located a Fresnel lens. The cathode-ray tubes project the picture through the Fresnel lens onto the screen. Couplers which are attached to the top of all the modules except the modules on the top row, which do not have couplers on top, are U-shaped support members which interlock with modules stacked on top. The height of the couplers may be larger towards the rear so that the assembled multiple projection television receiver is inclined forward. Engaging members extend out and interlock with adjacent modules to horizontally fix the television receiver modules.