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 |
| 5084675 | Method for improving the signal-to-noise ratio in a nuclear magnetic resonance tomography apparatus In the echo planar imaging (EPI) method of operating a nuclear magnetic resonance (magnetic resonance imaging) tomography apparatus, the necessary, rapid switching of gradients having a high amplitude usually cannot be achieved with square-wave gradients,... | 01/28/1992 |
| 5023496 | Linear motor A linear motor comprises a first yoke, a second yoke spaced apart the width of a first gap from the first yoke, a current-carrying coil surrounding at least one of the first yoke and the second yoke, a magnet spaced apart the width of a second gap from th... | 06/11/1991 |
| 4948291 | Connecting panel for mechanically joining a number of communication components arranged side-by-side A connecting panel for joining communication components, the connecting panel having projections introduceable into pocket-shaped receptacles in the base of the communication components and being held in guides at the base. The connecting panel is designe... | 08/14/1990 |
| 4932092 | Process and apparatus for continuous dyeing of elongate textile material A process and apparatus is disclosed for dyeing an elongate textile material with different colors at predetermined intervals in a substantially continuous, uninterrupted cycle of operation. The apparatus comprises a plurality of dye baths exchangeable on... | 06/12/1990 |
| 4891472 | Interconnects on a printed circuit board having connecting points for an electronic component with a plurality of terminals Interconnects on a printed circuit board having connecting points for an electronic component with a plurality of terminals are arranged on a printed circuit board so that a joining of a component and the printed circuit board can be accomplished in an au... | 01/02/1990 |
| 4842627 | Method for the manufacture of a preform for drawing glass fibers particularly infrared light waveguides for optical communications technology A method for the manufacture of a preform of barium containing heavy metal fluoride glass comprising a core and a jacket for drawing infrared light waveguides for optical communications technology by casting molten glass onto a predetermined body of solid... | 06/27/1989 |
| 4828834 | Rechargeable organic electrolyte cell A rechargeable organic electrolyte cell includes a cathode mainly composed of LiMn2 O4, obtained by sintering manganese dioxide with either lithium carbonate or lithium iodide.... | 05/09/1989 |
| 4819260 | X-radiator with non-migrating focal spot An x-radiator has a rotating anode on which electrons emitted by a thermionic cathode are incident to produce an x-ray beam. The electron stream is incident on the anode at a focal spot. The focal spot on the anode is prevented from migrating laterally fr... | 04/04/1989 |
| 4780714 | Selective voltage supply system for data network distributor In a data network distributor adapted to connect a plurality of data stations with each other directly, and with remote stations over a network bus, a selective voltage supply system allows units shared in common with the local data stations to be powered... | 10/25/1988 |
| 4777356 | Reader for optical type record card An optical type record card reader according to the present invention is provided with a line sensor (10) for reading an information by a reflected light from a track of an optical type record card (1) irradiated by a light source (4) and in which optical... | 10/11/1988 |
| 4665421 | Photodiode comprising a resonator structure for increasing absorption A photodiode having optical resonators tuned different from one another and adjacent one another in a semiconductor body, whereby the resonators are in optical wave-coupling with one another.... | 05/12/1987 |
| 4618891 | Reference time detecting circuit A reference time detecting circuit has a video signal supplied to first and second clamping circuits (40) and (70) of different time constants and a synchronizing signal is separated from the output signal from the first clamping circuit (40) of a longer ... | 10/21/1986 |
