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| Number | Title | Issue Date |
| 5127080 | Pseudo-intagliated fiber optic phosphor screen and method A fiber optic phosphor screen is made of an optical fiber bundle having individual fibers arranged in parallel with opposite ends thereof extending between internal and external surfaces of the screen. The ends of the individual fibers at the internal sur... | 06/30/1992 |
| 5084780 | Telescopic sight for day/night viewing A telescopic sight which can be used for either nighttime or daytime operation and is particularly adaptable for use on weapons ranging from rifles to anti-tank weapons. A first embodiment includes a single objective and two parallel light paths, one for ... | 01/28/1992 |
| 5078773 | Reducing stray light in lensed optical systems An optical lens has a blackened layer in its outer surface which extends to a depth sufficient to substantially eliminate reflected stray light in the lens. The blackened layer is formed by causing hydrogen under pressure to react for a predetermined time... | 01/07/1992 |
| 5077611 | Universal image intensifier tube A device for intensifying light images which includes an image intensifier tube assembly that is retrofittable to two different existing housings. There is a first electrical contact for electrically connecting to electrical supply contacts when positione... | 12/31/1991 |
| 5073939 | Dynamic time warping (DTW) apparatus for use in speech recognition systems There is disclosed a dynamic time warping (DTW) apparatus for use in a speech recognition system which also performs wordspotting or speaker verification based on speech recognition techniques. The DTW apparatus has the capability of processing given diff... | 12/17/1991 |
| 5072148 | Dispenser cathode with emitting surface parallel to ion flow and use in thyratrons A dispenser cathode is designed with an emitting surface including at least one emitting groove characterized by steep opposing walls oriented parallel to the ion flow wherein the walls have a given depth and are separated from each other by a given dista... | 12/10/1991 |
