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A portable partition for use in an automobile having a seat with a seat bench and a seat backrest.
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| Number | Title | Issue Date |
| 7241017 | Image display device Exemplary embodiments of the present invention provide an image display device having a functional design and accomplishing high quality and marketability to attract customers' attention. Exemplary embodiments include an independent installation type image display d... | 07/10/2007 |
| 7199937 | Projection image display apparatus and color correction method for the same A holding unit holds a plurality of types of white balance adjustment color data with respect to colors of the plurality of projection surfaces. A projection control unit causes a projection unit to simultaneously project patterns having a plurality of colors based ... | 04/03/2007 |
| 6540363 | High reliability display system A high-reliability display system is disclosed. The display system includes a plurality of projection channels. Each projection channel projects a substantially mutually exclusive portion of an image onto a display area. A controller determines the conten... | 04/01/2003 |
| 6460999 | Projector and the protector thereof Disclosed are a projector and the protector thereof having superior safety and practicality. The projector for projecting an image on a screen comprises sensors for performing detection in an area to be subjected to detection that is a local space. The lo... | 10/08/2002 |
| 5506640 | Method and apparatus for an alignment grid or pattern projection system An apparatus for quickly and accurately aligning a layout to be duplicated having a copy board with an upper work surface for receiving a layout to be aligned and duplicated; an alignment pattern member including an alignment pattern; a wave energy projec... | 04/09/1996 |
| 5088814 | Drawing production aide A drawing production aide is disclosed which is designed to be placed over a working surface where an artist, engineer or architect is drawing. The device includes a carrier for a drawing and a light and lens system designed to project the drawing on the ... | 02/18/1992 |
| 5035502 | Transparent calculator for overhead projection A hand-held calculator has a transparent window carrying a liquid crystal display as well as transparent number and function key locations such that when placed on an overhead projector, the calculator can be used to demonstrate to a classroom of students... | 07/30/1991 |
| 5033843 | Rear projection screen assembly A rear projection screen assembly comprising a transparent screen suitable for passage therethrough of a light beam emanating from a rear projector apparatus, means for supporting the screen such that it is positionable to intercept the light beam, means ... | 07/23/1991 |
| 4955714 | System for simulating the appearance of the night sky inside a room A system for painting images of stars and other objects on the interior surfaces of a room with phosphorescent paint utilizes a projector to project symbols on the surface to indicate locations of points to be painted. The projector is adjustable to accom... | 09/11/1990 |
| 4953971 | Interactive image projection apparatus An interactive image projection apparatus for the projection of computer generated images on a projection surface in cooperation with a light source and projection optics for projecting a beam of light from the light source onto the projection surface. Th... | 09/04/1990 |
| 4912751 | Method and device for establishing and writing a luminous pattern In a method of establishing and writing a pattern which, when placed in a light beam from a projector, produces an illuminated area of any shape and size displayed on a screen, a reference point is defined which, when projected onto the screen, forms a co... | 03/27/1990 |
| 4842402 | Projection and viewing apparatus A projection and viewing apparatus having a hollow housing with an open top and front and back walls is also provided with an optical system carriage which is mounted within the housing for rotational movement with respect to the housing. This carriage is... | 06/27/1989 |
| 4836786 | Demonstration calculator A hand-held calculator for use in conducting classroom demonstrations of the operation thereof, including use of the operation instruction key means. The calculator comprises a frame, a keyboard section, data processing means and a display section and whe... | 06/06/1989 |
| 4332872 | Optically annotatable recording film In a device for projecting a primary image from a transparency along an optical path and for altering the image by selectively directing a writing light source reversably along the optical path toward the transparency, a transparent recording film include... | 06/01/1982 |
| 4312578 | Microfilm reader A desk top microfilm reader and work station having a rectangular base enclosing a film housing and projection system. The base has a flat top surface which functions as an operator work surface and an image projection surface. A support arm rises vertica... | 01/26/1982 |
| 4191457 | Bi-directional optical apparatus for altering an optically projected member An apparatus for altering an optically projected member includes a writing light which is directed at the apparent projected image of the member, which may be a transparency or workpiece or the like. The writing light is transmitted backwards through the ... | 03/04/1980 |
| 4125321 | Apparatus for projecting light images An apparatus for projecting images simulating the phenomenon of combustion on a display media is provided with a control means for quickly positioning, expanding, and diminishing the images. Light from a light source is passed through orange and grey tran... | 11/14/1978 |
| 4026644 | Device for inscribing additional information on microfilms A device for inscribing additional informations on microfilms of a construction, wherein informations already recorded on microfilms are projected on an image screen by means of an enlarging and projecting device, additional informations to be entered on ... | 05/31/1977 |
| 3950085 | Optical transformation drawing apparatus In an optical transformation drawing apparatus in which an image is projected by a projector on to a rear face of a projection screen so that a draftsman can trace on the front face of the screen the image transmitted through the screen, both the projecti... | 04/13/1976 |
| 3947103 | Low profile episcopic projector and opaque materials therefor The design of a large copy projector is such that its projection path extends rearwardly and obliquely so that the projector and the viewing screen can be viewed side-by-side. This projector uses an opaque copy sheet characterized by a lower specularly re... | 03/30/1976 |
