Matches 1 - 50 out of 72 1 2 >
Match Document Document Title
7446937 Inflatable projection/imaging screen structure  
An inflatable structure for viewing video images or projected images, the inflatable structure comprised of a plurality of panels sewn or heat welded together to form a desired shape, the interior...
7440187 Portable screen device  
A portable screen assembly includes: a casing having an opening extending in a longitudinal direction on the upper surface thereof, and formed by a pair of separable case members that extend in the...
7426077 Portable screen device  
A portable screen device including a casing, an extendable screen, and an extendable screen supporting column which has one end pivotally supported at a center portion of a back surface of the...
7405876 Portable screen device with dual shaft structure  
A portable screen device having a dual shaft structure is disclosed. A left and a right rotation shafts are installed to an upper rod and the center of a lower frame of a screen in the horizontal...
7400499 System and method for mechanically fastened information handling system foot  
A support foot is mechanically fastened to an information handling system chassis with a coupling device partially embedded in the support foot through injection molding of the support foot over...
7397603 Deployable projection screen  
Embodiments of apparatuses, methods and systems for deployable projection screens are generally described herein. Other embodiments may be described and claimed.
7327516 Mobile screen storage compartment (MSSC)  
A mobile screen storage compartment that stores a video display screen and is attached to one side of a truck trailer. The screen is extended, retracted and held in place using hydraulic lift...
7324277 Both-side image film screen  
Disclosed is a double-sided image film screen including a plastic material having a high optical transmission property and a light-refracting material, made of silica, having an optical...
7314281 Projection display device  
A projection display device having a plurality of transmission screens, each having an image display portion of different dimension, and each having light transmissivity and being provided with a...
7262911 Reflex-type screen assembly  
A reflex-type screen includes a base which has saw-tooth appearance, and an optical absorption layer on one edge of each saw-tooth of the base. The base consists of white resin and includes a...
7203000 Self-contained manual lifting screen  
It is an object of the present invention to provide a self-standing manually operated elevating screen which makes it possible to raise and lower the screen over a long period of time without...
7184209 Method and arrangement for projecting images  
Images are projected onto a projection medium including a screen, which forms an open, light-penetrable structure having a plurality of light-reflecting surface parts. The projection medium may...
7180665 Display device having an extendible screen  
A display device ( 1 ) has an extendible screen ( 2 ) and at least one extendible side member ( 3 ). The extendible screen ( 2 ) is extendible in an extension direction from a relatively compact...
7042640 Projection screen unit with projection surfaces optimized for different ambient light levels  
A projection screen unit includes a first projection surface optimized for a predetermined range of ambient conditions and a second projection surface optimized for a second, different range of...
6922284 Method for automatically controlling the length of projection screen and multi-purpose apparatus thereof  
A method for automatically controlling the length of a projection screen and an apparatus thereof are proposed. They dispose a code stripe on at least a side of the projection screen and then...
6876493 Electric projection screen roller and balance rod assembly  
An electric projection screen roller and balance rod assembly. The electric projection screen roller and balance rod assembly includes a projection screen roler assembly and a balance rod assembly....
6873461 Case for roller-operated screen system  
A screen system is disclosed for displaying an image projected by a projector or for partially or fully blocking light from entering a room. The screen system includes a housing and a screen...
6873460 Retractable rear projection display  
A retractable screen system suitable for portable, hand held computing and communication units joins a number of optical sheets to form a rollable, extendible and retractable projection sheet. The...
6873458 Projection screen assembly  
A projection screen includes a member that functions as a support for holding the screen upright when the screen is in an open-position and as a fastener for holding the screen shut when the screen...
6816308 Screen system  
A screen system is disclosed. The screen system includes a screen housing, a screen positionable in the screen housing, and a screen mount. The screen mount is configured to support the screen in...
6552847 Projection screen of retractable type  
A projection screen apparatus for reproducing the coherence between a visual image and associated acoustic signals. The projection screen apparatus includes a sound broadcasting device and screen...
6532109 Roller operated system with mounting assembly for multi-stage installation  
A mounting assembly including a housing for a roller operated system, such as a projection screen system, which facilitates installation in a building in stages to reduce the risk of damage to...
6529323 Sheet take-up device for a projection screen and the like  
To provide a sheet take-up device for a projection screen and the like, said device being capable of simplifying the device in structure by omitting a one-way clutch and reducing components in...
6466369 Portable visual display device with a collapsible presentation screen  
A colapsible rear projectrion screen assembly for a portable visual display device. Embodiments are presented that include a flexible screen supported by a surrounding rigid screen that collapses...
6421175 Projection screen system  
A projection screen system is provided that is configured to mount to a structure. The projection screen system includes a housing, a roller, a screen, and a motor positioned to rotate the roller...
6347011 Projection screen with movable shutter  
A projection screen for displaying projected images with a movable shutter that can be positioned and opened at any location within a large rectangular area of the surface of the projection screen....
6336616 Movable projection screen hanger with steadfast clips  
A movable projection screen hanger with steadfast clips is provided where the upper surface and inward side surface of the hanger are each respectively provided with a sliding rail. Each steadfast...
6297905 Portable screen assembly  
A portable screen assembly includes a spring-biased roll rotatably mounted to a lower casing, and a screen rotatably mounted at one end thereof to a top bar. The screen is set to a desired height...
6249377 Portable screen assembly  
A portable screen assembly includes first and second frames extending parallel to each other, a spring-biased roll rotatably mounted in the first frame, and a screen bonded at its one end to the...
6191886 Video projection screen assembly  
A video projection screen assembly for the viewing of images projected thereon and designed to be selectively disposed between an exposed, expanded position for viewing and a collapsed position for...
6137629 Projection screen system with circuitry for multi-stage installation  
A projection screen system that may be installed in a building in stages to reduce the risk of damage to the projection screen. The system includes a housing in which is mounted a socket...
6111694 Casing for projection screen system  
A casing for a projection screen system that includes a fascia removable from the spine of the casing without the use of tools. The casing is provided with a roll locking hinge formed by a...
6111693 Projection screen with movable shutter  
A projection screen for displaying projected images with a movable shutter that can be positioned and opened at any location within a large rectangular area of the surface of the projection screen....
6052227 Screen assembly with pivoting leg members  
A practically excellent screen assembly in which a screen may be located at a high level position without any discrete assistance, and leg members provided therefor may be well received in a...
6046845 Screen assembly and reflex type screen assembly  
A reflex type screen assembly and a screen assembly which are simple in structure, low in cost, superior in durability, compact in size and superior in storage property and portability in...
5982537 Speaker apparatus with a picture projecting screen  
A system for mounting a picture projection screen between two upright floor-standing speaker units in which the picture screen can be drawn out from one of the speaker units and extended to and...
5798861 Information presentation device using a sheet of rolled material  
The invention relates to an information presentation device which includes a sheet of material rolled onto a drum, with the drum being contained in case. The case includes an area for housing at...
5706130 Support assembly for a retractable device  
A support assembly for supporting a retractable device includes a frame, at least one arm movably mounted on the frame for carrying the device between a retracted position for stowing the device,...
5696625 Distributor for electromagnetic radiation, particularly a projection screen  
A flat screen receives light from a light projector at a projector location, and reflects the light to a spectator area. The screen has a center, spaced apart upper and lower edges and a pair of...
5581401 Portable screen assembly for use with a projector  
A portable screen assembly for use with a projector has a housing made up of a lower casing and an upper casing pivotally mounted on the lower casing to open or close the lower casing. The housing...
D366055 Screen for a liquid crystal projector  
5456967 Reflection-type screen having a dimensionally stable substrate  
A reflection-type screen that is free from uneven formation attributable to a weave pattern of a ground fabric as a constituent material, can be wound up in a roll form and unwound at need and is...
5400414 Loudspeaker  
An electromechanical transducer made of a piezo-polymer film is presented. The film is transparent and is applied to a television screen, glass pane of a framed picture, or the like. The...
5353152 Screen projection apparatus  
A screen projection apparatus includes a housing within which a pair of projection screens are stored in a rolled position on motor driven rollers. A pair of access doors are mounted on the housing...
5341241 Trap door for projection screen case  
An electrically actuated trap door system for a projection screen case. The system includes a trap door having first and second opposing edges. The first edge of the trap door is pivotally...
5337179 Flexible controllable optical surface and method of making the same  
A flexible optical surface, film or laminate using a non-rigid support substrate with a sufficient modulus of elasticity defining a controllable surface having a flat state so that repeatedly...
5296964 Replaceable fascia for projection screen case  
A casing for a projection screen and a motorized projection screen system and method for controlling the same are disclosed herein. The casing includes a fascia and endcaps which are affixed to the...
5274499 Battery operated projection screen with spring assisted roller and replaceable fascia  
A casing for a projection screen and a motorized projection screen system and method for controlling the same are disclosed herein. The casing includes a fascia and endcaps which are affixed to the...
5140461 Adjustable viewing screen housing and display device  
Viewing screen and display apparatus including a housing for concealing the viewing screen when not in use, and a lifting assembly having a pair of lifting arms mounted slidably on a pair of tracks...
4739567 Display window aperture advertising medium  
An image projection system is provided for projecting and displaying images at billboard or signboard scale in which a building display window defines the display aperture or viewing aperture of...
Matches 1 - 50 out of 72 1 2 >