Quotables
"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 7365806 | Projection display apparatus including a slide mechanism to prevent dropping of a screen during attachment A projection display apparatus (1) includes slide bases (106) which are able to protrude from a housing (101). A screen unit (103) is supported by rotation plates (107) rotatably provided on the slide bases (106). The attach... | 04/29/2008 |
| 6995906 | Projection unit A rear projection unit has a screen mounted in a frame which supports a projector at a desired position in relation to the screen. The projector can thereby be positioned in various ways and the frame reduced and enlarged according to the requirements of the project... | 02/07/2006 |
| 6793347 | Video projector A video projector includes a cabinet, and adjusters provided in bottom and top surfaces of the cabinet and located on left and right positions of the bottom and top surfaces close to the front surface of the cabinet. The adjusters are supported by shafts perpendicul... | 09/21/2004 |
| 6604831 | Elevatable display apparatus A portable image projector is provided with a vertically elongated tower configuration to substantially reduce its vertical footprint when it is placed on a horizontal support surface for use. A stabilizing foot is positioned below the housing portion of ... | 08/12/2003 |
| 6334687 | Stand type screen apparatus and projector using the same The invention provides a projector that includes a stand type screen apparatus and an image projection device. The stand type screen apparatus includes a base table, a projecting device installing unit turnably mounted on the base table for detachably ins... | 01/01/2002 |
| 5491585 | Portable rear screen television cabinet A rear screen television cabinet, comprising a cabinet having front portions including a top, two sides and a front face, viewing surface on the front face, a mirror system comprising a plurality of mirrors for reflecting and successively enlarging and re... | 02/13/1996 |
| 4750832 | Video projector mount A projector mounting frame is fitted in the space above the suspended ceiling of a room. A traveling frame vertically movable in the mounting frame has means for support of a projector thereon. Drive motor and screws drive the traveling frame vertically s... | 06/14/1988 |
| 4673267 | Video camera A video camera is provided with a longitudinally sliding part (5) which in the forward end position forms a protection for the lens (4) and in the rearward end position uncovers the lens. In addition, the eyepiece (9) of the viewfinder is extended to maxi... | 06/16/1987 |
| 4652100 | Image acquisition system and modular desk utilized therein An image acquisition system including at least two image projectors, a television camera and a modular desk for supporting the projectors and the camera wherein the image projectors are supported at predetermined locations on a tabletop supported for slid... | 03/24/1987 |
| 4556913 | Apparatus for preventing virtual images in projection television receivers A rear projection television receiver has an image source, first and second mirrors, and a screen. Light travels from the image source to the screen along a first light path via the first and second mirrors and along a second path that bypasses the mirror... | 12/03/1985 |
| 4556283 | Automatic viewing screen An automatic screen for projecting an image from a video projector onto it is disclosed. It has a cabinet 1 which accommodates a screen 2. The screen 2 can be moved relative to the cabinet by a chain 5a coupling a front door 1a of the cabinet 1 and a spro... | 12/03/1985 |
| 4408835 | Viewing system with automatic correction of the reading distance as a function of the inclination of the viewing screen housing A viewing system with automatic correction of the reading distance as a function of the inclination of the screen housing. In accordance with the invention, the viewing system comprises a screen housing axially suspended on a U shape base. The screen hous... | 10/11/1983 |
| 4341446 | Microfiche reading carrel The microfiche projector enlarges the image onto the flat white undersurface of the top panel of the enclosure which has a flat black interior. The viewer sees the image reflected in the adjustable 45° mirror. The apparent image is about 50" in front of ... | 07/27/1982 |
| 4185899 | Combination viewer and projector A combination viewer and projector having a housing with a rear-lighted viewing screen mounted therein. The housing is adapted to receive a magazine having a length of film therein which can be advanced past an aperture in the magazine. A source of light ... | 01/29/1980 |
| 4183634 | Rear projection viewer having small auxiliary screen A rear projection viewer apparatus of the type wherein the projected images are initially projected downward towards a mirror mounted in the base of the viewer which redirects the projected images upwardly and forwardly to a viewing screen forming the fro... | 01/15/1980 |
| 4157214 | Apparatus for showing microdocuments A compact microimage viewing apparatus is disclosed which utilizes a low intensity light source with wide-angle projection optics to provide a clear and highly illuminated image to the viewer. To achieve compactness, the high brightness light-distributive... | 06/05/1979 |
| 4147408 | Back projection viewing screen A back projection viewing screen comprising two parallel transparent sheets of plastic, each having its faces optically configured. The surfaces have the following characteristics arranged in the order from the projection side to the viewing side: (1) an ... | 04/03/1979 |
| 4139283 | Rear projection viewer having automatically erecting auxiliary screen A rear projection viewer apparatus of the type wherein a projected image is projected towards a primary viewing screen which when in its operative viewing position forms the front of the viewer, the front viewing screen being attached to other portions of... | 02/13/1979 |
| 4136935 | Rear projection viewer having auxiliary viewing screen A rear projection viewer apparatus of the type wherein a projected image is projected towards a primary viewing screen forming the front of the viewer, the front viewing screen being removably located with respect to other portions of the viewer housing s... | 01/30/1979 |
| 4135784 | Rear screen optic projection apparatus A rear screen optic projection apparatus is provided having a multiple mirror reflection system mounted in a supporting enclosure and adapted for utilization with photographic projection equipment such as slide projectors and motion picture projectors. Th... | 01/23/1979 |
| 4113366 | Film projection system A film projection system includes a collection of cartridges each containing a film program. The cartridges are stored in a storage magazine. A selector system permits a particular film program, which may be identified by a code, to be chosen and displace... | 09/12/1978 |
| 4097132 | Projector molded chassis A motion picture projector is provided with a manually shiftable mode controller assembly for selecting various operational modes and apparatus for the automatic threading and rewinding of film. The operative mechanical components of the projector are mou... | 06/27/1978 |
| 4093363 | Motion picture projector A motion picture projector having a housing or casing having one narrow side and one wide side, substantially perpendicular to each other. The film spools are arranged on the wide side. In a first projection position, the housing is arranged upright, rest... | 06/06/1978 |
| 4003644 | Cinematographic viewer-projector A projector and/or viewer (monitor) for motion-picture films continuously unwinding and winding on a spool within a magazine, characterized by comprising: a casing or case having a translucent wall operating as a screen and on another wall an opening for ... | 01/18/1977 |
| 3997253 | Self contained film strip display apparatus Display apparatus for viewing a film strip which includes a cartridge having two separate reels for holding film strip for and after it passes a projection mechanism. The projection mechanism includes a light source and two prisms and a screen for viewing... | 12/14/1976 |
| 3951518 | Projector and projection screen assembly A box-shaped projection screen unit is attachable to an optical projector to constitute a cover therefor. The screen unit comprises a translucent screen mounted in an opening formed through the side of the box opposite an open side of the box which mates ... | 04/20/1976 |
