Did You Know...
...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| 6932477 | Apparatus for providing multi-spectral light for an image projection system A solid state multi-spectral light source for a multi-spectral light source system includes an array of LED groups, wherein each LED group may include red, green, and blue LEDs. The LEDs produce color light bars by activating the appropriate color LEDs. The color li... | 08/23/2005 |
| 5612710 | Real time low cost, large scale array 65K color display using lamps A large scale video display of the present invention is designed to receive a standard NTSC video signal and display it on a large scale array of low cost, voltage or current controlled lamp transducers. The video signals are received by a video capture d... | 03/18/1997 |
| 5010411 | Video display system A video display device comprising a display panel which has a large number of luminescent display cells arranged in an X-Y matrix and with a common drive circuit for applying an input video signal which substantially reduces the number of drive circuits b... | 04/23/1991 |
| 4686575 | Very large color video matrix display apparatus with constant-current display cells driven by pulse-width-modulated video signals A video display system is disclosed, which includes a display device including a plurality of luminescent display cells arranged in an X-Y matrix form, each of the display cells having a cathode, a grid and a luminescent target electrode, a video signal s... | 08/11/1987 |
| 4683491 | Display system comprising a plurality of display cells arranged in an X-Y matrix and a plurality of horizontal-extending blinds disposed adjacent the upper edges of the display cells in the rows of the matrix A large-scale color picture display system comprises a plurality of fluorescent display cells arranged in an X-Y matrix to form a picture display device. Each display cell comprises a red, a green, and a blue fluorescent display element. Each of the displ... | 07/28/1987 |
| 4578672 | Color liquid crystal display device A color liquid crystal display device of the invention has a number of liquid crystal panels (10) which are connected, in matrix form, to one another to provide a large screen, each panel having a plurality of groups of liquid crystal cells (102, 103 and ... | 03/25/1986 |
| 4559480 | Color matrix display with discharge tube light emitting elements This light emitting element (24) constitutes a pixel a plurality of which when arranged in rows and columns may form a matrix display board. The element comprises one or more discharge tubes (10, 11, 12). For a board displaying images (textual or video) in col... | 12/17/1985 |
| 4491863 | Color display apparatus A color display device having a display surface constituted by a number of picture elements in which each picture element is made up of one red light emitting elements, two green light emitting elements and one blue light emitting element, to improve the ... | 01/01/1985 |
| 4368485 | Billboard large screen TV A billboard video display system comprises a plurality of cathode ray tubes arranged in a predetermined configuration, each of the cathode ray tubes including a viewing screen characterized by a coarse color phosphor pattern. The electron beam generated b... | 01/11/1983 |
| 4367464 | Large scale display panel apparatus A large scale display device such as a stadium or advertising display in which a plurality of light emitting elements constituted by cathode-ray tubes are arranged in a plane to display color images and characters. Specifically, light emitting elements ar... | 01/04/1983 |
| 4336480 | Cathode ray tube The disclosed cathode ray tube for a display system includes a convex face plate having a radius of curvature less than its outside maximum dimension and a phosphor screen disposed on the inner surface of the face plate and entirely irradiated with an unf... | 06/22/1982 |
| 4233623 | Television display A television display system is described in which a full resolution, interlaced scanned display of real-time images is provided on a gas discharge display panel. Real time scanning of the display panel in synchronism with the received television video sig... | 11/11/1980 |
| 4025945 | Color function display system Signals from a remote control transducer are decoded in a television receiver to cause display of characters in a predetermined color on a color display tube when a particular function control mode such as hue or saturation control is remotely selected.... | 05/24/1977 |
| 3961365 | Color display device A large display system capable of displaying a color video image receives video signals, quantizes those signals to produce a digital code capable of representing variations in the light content of the image and processes the digital code so as to control... | 06/01/1976 |
