Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 4746981 | Multiple screen digital video display A method and apparatus for displaying an interlaced image on a plurality of display screens in which the lines of two fields of the image are replicated a plurality of times in a memory to produce an enlarged image but determined lines are not read out of... | 05/24/1988 |
| 4746979 | Video memory device capable of simultaneously reading a plurality of picture elements On achieving a special effect on a television screen, a succession of picture elements is supplied to a video memory device comprising a plurality of memory units which are periodically and successively loaded with the picture elements by a write-in contr... | 05/24/1988 |
| 4730215 | Compatible wide screen television system with variable image compression/expansion A compressor compresses the edges of a wide screen image to provide a compressed wide screen video signal which may be displayed on a conventional 4:3 aspect ratio receiver with the compressed edge portions largely hidden from view because of receiver ove... | 03/08/1988 |
| 4709393 | Video processing systems A processing system includes a processor 10 and frame store 11. Both the frame store and processor are under the control of address mechanism 12. An incoming pixel is processed with previously stored information and the proportion of processed information... | 11/24/1987 |
| 4707742 | Video signal processing arrangement A video signal processing arrangement for television signals encoded in digital form comprising means for compressing and/or expanding the size of the television picture represented by the video signal and means for rotating the television picture represe... | 11/17/1987 |
| 4684990 | Method and apparatus for combining multiple video images in three dimensions A plurality of input video signals (including background) are combined in accordance with priority. Each video signal comprises data samples corresponding to respective discrete locations on a viewing plane. The signals are preferably from an ADO transfor... | 08/04/1987 |
| 4682227 | Digital video signal processing apparatus for providing zoom and compressive images with soft focus A video signal processing apparatus comprises an input (1) for receiving an input video signal and an output (2) at which the processed signal is produced. The apparatus includes a vertical filter (3), a horizontal filter (4), a vertical interpolator (5) ... | 07/21/1987 |
| 4672443 | Compatible wide screen television system with image compressor/expander A wide aspect ratio television system includes memories for storing and recovering a video input signal in response to read and write clock pulses, respectively. Write clock pulses are deleted to compress edge regions of a wide aspect ratio input signal a... | 06/09/1987 |
| 4667236 | Television perspective effects system This invention employs an incremental technique for performing a perspective transformation on a planar television image. The equipment modifies the coefficients to a two by two matrix multiplier at the pixel or line rate. This allows for perspective gene... | 05/19/1987 |
| 4665433 | Video signal processing with filtering to account for picture compression A video signal processing system which produces the same output image as the input image but with a size and/or shape change applied to it. The incoming video signals are written into the frame store in sequence but read out in an order determined by the ... | 05/12/1987 |
| 4661987 | Video processor A method and processor for varying the size of a digitized video image in bstantially two video frame times by transforming successive lines of the image along one axis and then transforming successive lines of the image along the other axis.... | 04/28/1987 |
| 4660081 | Video signal processing apparatus having interpolators switchable between an input and an output of a field memory A video signal processing arrangement comprises an input (1) for receiving an input video signal and output (2) at which the processed signal is produced. The arrangement includes a vertical filter (3), a horizontal filter (4), a vertical interpolator (5)... | 04/21/1987 |
| 4610026 | Method of and apparatus for enlarging/reducing two-dimensional images Method of and apparatus for converting a first two-dimensional image on first column direction and row direction scales to a second two-dimensional image on second column direction and row direction scales at a high speed, in which use is made of the peri... | 09/02/1986 |
| 4604651 | Television circuit arrangement for field and line frequency doubling and picture part magnification In a television circuit arrangement for field and line frequency doubling and picture part magnification (zooming), in order to obtain the frequency doubling, information is written, alternately, into two field memories (M1, M2) during a field period havi... | 08/05/1986 |
| 4602286 | Video processing for composite images The image composition system includes framestores 30, 31 for receiving information from first and second picture sources. A processor 33 provides the composed image by using information from these sources. The processor is controlled by picture shape info... | 07/22/1986 |
| 4472732 | System for spatially transforming images A system for spatially transforming images by separate transformation of each dimension of the image is exemplified by a raster scan television system which includes for each color component a transposing memory providing a change of scan direction from h... | 09/18/1984 |
| 4412252 | Image reduction system A system is provided for reducing the total information contained in an image in order to reduce the size of the image. In an image comprising a number of lines, each line including a plurality of dots, first reduction means deletes data representing a pr... | 10/25/1983 |
| 4334245 | T.V. Special effects generator A T.V. special effects generator which includes a store for a video image and a coefficient processor connected to the store which synthesises picture points from the stored video image to provide a processed image which has a shape dependent on mask data... | 06/08/1982 |
| 4282546 | Television image size altering apparatus In television image size altering apparatus of the type wherein pixels relating to a composite video signal are sampled at a synchronous real time rate and wherein the flow of pixel information is coordinated through a memory by a write control and a read... | 08/04/1981 |
| 4249211 | Composite image display apparatus An image display apparatus has an: image signal receiver for simultaneously receiving two different image signals, a first image signal and a second image signal; a memory for writing therein the second image signal; controlling means for controlling the ... | 02/03/1981 |
| 4220965 | Modification of T.V. image performed using ram storing the image content A complete analog color-T.V. signal is separated into a luminance component and a color component. Each component is digitalized and then written into an RAM sequentially using a first addressing schedule for the write-in. The information is then read-out... | 09/02/1980 |
| 4218710 | Digital video effect system comprising only one memory of a conventional capacity In a digital video effect system, only one one-frame RAM (30) produces a mixed and phase-locked signal (14) for n individually synchronized input television signals (11, 12) when read by horizontal and vertical address signals (48, 49) derived from a refe... | 08/19/1980 |
| 4199785 | Electronic zoom system A zoom system is provided which utilizes wide angle and narrow angle vidicon cameras, a display and an electronic system under an operator's control which operates to blend and magnify signals from the cameras so as to provide the viewer with a zoom capab... | 04/22/1980 |
| 4169272 | Apparatus for simulating a perspective view of a video image and for storing such image with a minimum number of bits A simulated perspective view of a landscape is provided on a video display screen used, for example in a video game where a player by means of manual control seeks out various moving targets on the landscape. Specifically, the perspective is achieved by c... | 09/25/1979 |
| 4163249 | Picture processing system for television A T.V. picture processing system comprising an input arrangement for receiving T.V. picture information and converting it into a form suitable for an input processor. The input processor modifies the size of the picture from information received from the ... | 07/31/1979 |
| 4134128 | Television picture size altering apparatus The size of a color television picture field is changed without changing the size of the raster. This is achieved in an apparatus that includes means responsive to a field of television video signals for sampling same and providing a predetermined number ... | 01/09/1979 |
| 4028726 | TV receiver raster expansion system A system for enlarging the image on the screen of a cathode ray picture tube by increasing the deflection of the electron beam. Accompanying deterioration in contrast and brightness is reduced by blanking the overscan portions of the raster. In addition, ... | 06/07/1977 |
| 3943280 | Television receiver with zoom storage tube frame grabber with electronic inset into continuing received video stream In a television receiver, a video signal for a single frame at any moment is stored in a storage tube. The stored video signal is displayed, if necessary, as a still picture on a part of the picture tube screen together with the ordinary broadcasted telev... | 03/09/1976 |
