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| Number | Title | Issue Date |
| 5259057 | Waveguide array and method for contrast enhancement An FOFP has a darkened surface layer in the cladding portion to reduce cross-talk. One embodiment has an intagliated surface with darkened cavity walls. Darkening is achieved on a finished piece without further reworking. The surface is substantially free... | 11/02/1993 |
| 5247600 | Fiber optic data/graphic display screen A fiber optic display screen for use in high ambient light environments. A source of high intensity light is provided the output of which is controlled by a light gate control. The light gate control comprises a plurality of individual light shutters whic... | 09/21/1993 |
| 5245686 | Method of fabricating an image plane translator device and apparatus incorporating such device A revised image plane translator (RIPT) for a multi-pixel display is made by forming an array of subpixel position cells of refractive index na glass frit in a binder, enclosing each cell in lower refractive index nb or nc... | 09/14/1993 |
| 5226105 | Fiber optic backlighting panel and dot process for making same An improved fiber optic backlighting panel provides increased background illumination relative to the amount of light transmitted therethrough, in devices such as rubber keypads, membrane switches, liquid crystal displays, rigid panels or the like. The fi... | 07/06/1993 |
| 5208890 | Refractory-bonded glass fibers High-temperature resistant fiber optic units are produced by coating individual glass fibers, either individually or in a bundle of fibers and with or without encasing the coated fiber or fiber with a sheath or sleeve, a liquid silica sol bonding agent wh... | 05/04/1993 |
| 5185846 | Optical fiber alignment apparatus including guiding and securing plates A bundle (12) of optical fibers (13) is fixed in a matrix array by apertures in a guiding plate (14) and a securing plate (15). The apertures (18) in the guiding plate are larger than those in the securing plate and the securing plate apertures (17) are f... | 02/09/1993 |
| 5166999 | High resolution print bar system The resolution of an LED print bar used in printing applications is modified by optically coupling the print bar, in a preferred embodiment, to a two row, square ended, reduction enlargement gradient index lens array. The lens array is modified to have a ... | 11/24/1992 |
| 5163117 | Image transmitting element comprising an array of photo-transmissible holes An image transmitting element is disclosed, which comprises: a transparent substrate; photo-transmissible holes one-dimensionally or two-dimensionally formed as an array in the substrate, each of the holes having a substantially cylindrical side surface a... | 11/10/1992 |
| 5160565 | Process for the production of an image intensifier module for optical fibre illuminated signs The invention makes it possible to construct large screens by associating several image intensifier modules. A module comprises an input face (2) receiving the image to be intensified, an output face (10) reconstituting the intensified image and a bundle (8) ... | 11/03/1992 |
| 5136677 | Photorefractive effect in bulk chalcogenide glass and devices made therefrom The photorefractive effect results in a change in the refractive index of bulk chalcogenide glass when it is exposed to certain wavelengths of light, in particular, sub-band-gap light. The effect results in a variety of device structures including a fiber... | 08/04/1992 |
| 5131065 | High luminance and contrast flat display panel A flat display panel (53) including a sandwich of thin film layers (52) with indices of refraction that increase the luminance and contrast of the display is disclosed. The sandwich of thin film layers (52), progressing backward from the front major surfa... | 07/14/1992 |
| 5129028 | Grid free, modular, large screen display An improvement for a large screen display eliminates the gap/grid line wh is otherwise present between abutted display modules. Each of the display modules has a light-emanating/reflecting display surface which provides a visual indication of the informa... | 07/07/1992 |
| 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 |
| 5121459 | Fiber optic bundle and method of manufacture A precision glass jig is formed to properly position ribbons of optical fibers for the area end of a fiber optic bundle forming the entrance field of an optical subsystem for an electronic printer. The opposite ends of the ribbons are aligned side-by-side... | 06/09/1992 |
| 5109460 | Optical fiber array for a thermal printer and method of making same An optical fiber array is disclosed that is useful in a print head of a thermal printer. The array is comprised of materials that hold a collection of output ends of optical fibers in precise alignment to each other and to a well defined plane. The materi... | 04/28/1992 |
| 5077821 | Means for coupling a coherent fiber-optic bundle to an electro-optical sensor The present invention is directed to an apparatus and method for coupling a coherent fiber-optic bundle to an electro-optical sensor. This invention provides accuracy and durability of coupling in operating conditions characterized by vibrations, shocks a... | 12/31/1991 |
| 5074683 | Fiber optic faceplates and method of mounting same Method and apparatus are disclosed for mounting a second optical component on a first optical component using a spacer layer for forming a controlled gap between the two components. In a preferred embodiment, a CCD sensor is formed having a non-active are... | 12/24/1991 |
| 5052776 | Optical waveguide and an image sensor using the same An optical waveguide and an image sensor using the same, the optical waveguide comprising a plurality of bar-shaped cores that are aligned in a proper manner, the cores being made of transparent materials with a large refractive index, and a cladding that... | 10/01/1991 |
| 5045867 | Optical writing head with curved surface formed by one end of any optical fiber bundle An optical writing head which is simplified in construction and reduced in production cost. The optical writing head comprises a light emitting means, and a substrate on which the light emission means is mounted. The substrate has a light transmitting pro... | 09/03/1991 |
| 5029975 | Despeckling screen utilizing optical fibers and method of reducing interference using same The invention comprises a method and apparatus for decohering coherent light projected onto a screen by transmitting the coherent light through a series of light conducting optical fibers, preferably of varying length.... | 07/09/1991 |
| 5015066 | Multichannel waveguide print head with symmetric output In a preferred embodiment of the present invention there is provided a substrate having formed therein a plurality of optical waveguides. The waveguides are formed in a fanned out pattern with each alternate waveguide having a different width. At the fann... | 05/14/1991 |
| 5005029 | Transmitting radiation through a flexible printed circuit to an optical fiber bundle Am optical writing head which is simplified in construction and reduced in production cost. The optical writing head comprises a light emitting means, and a substrate on which the light emitting means is mounted. The substrate has a light transmitting pro... | 04/02/1991 |
| 4978195 | Optical-to-electric image conversion system employing a cathode-ray tube or the like An apparatus for translating an optical image, as of a waveform, created by an electron beam device such as a cathode-ray tube into an electric signal. A fiber optics faceplate, having a multiplicity of optical fibers laid parallel to one another, is held... | 12/18/1990 |
| 4974928 | Integral fiber optic printhead An integral sensing head includes a single fiber optic faceplate substrate to which are connected photodiode arrays, circuits for selectively controlling the transmission of electronic information signals from the photodiodes and interconnecting conductiv... | 12/04/1990 |
| 4973128 | High gain optical fiber viewing device A high grain optical fiber viewing device utilizes image and object planes that are orthogonal to the fiber axis. Optics are provided at the object plane that ultimately defines the audience window, which can be varied and changed at will. Anti-reflectant... | 11/27/1990 |
| 4932752 | Fiber optic core glass compositions having a high refractive index Glass fiber cores having a glass composition: ______________________________________ Compositional Oxide Range in wt % ______________________________________ SiO2 25-35 BaO 6-15 K2 O ... | 06/12/1990 |
| 4921316 | Integral fiber optic printhead An intgeral printhead includes a single fiber optic faceplate substrate to which are connected light emitting diode arrays, driver circuits for selectively controlling the energization of the light emitting diodes and interconnecting conductive lines all ... | 05/01/1990 |
| 4914349 | Photo-electric conversion tube with optical fiber plate A photo electric conversion tube in which a translucent photocathode surface is provided inside of an incident light window. The incident light window is made of glass plate and an optical fiber plate bonded to at least part of the glass plate or just the... | 04/03/1990 |
| 4911528 | Anamorphotic optical system and combined anamorphotic/deanamorphotic arrangement Anamorphotic optical system transmitting an image while deforming it in one direction and leaving it undeformed in a substantially perpendicular direction. It comprises a main fibre-optical image guide (210) cemented to an exit face (213, 2132)... | 03/27/1990 |
| 4904049 | High-contrast fiber optic diffusion faceplate with radiused fibers A radiused fiber optic faceplate is disclosed, particularly suited for use in optical apparatus comprising a high gain diffusion screen or a direct view CRT. The respective optical axis of the fibers are each substantially oriented so that the refracted i... | 02/27/1990 |
| 4867530 | Low Resolution fiber optic light transfer device A fiber optic light transfer device with variable resolution comprises a plurality of optical fibers arranged at one end thereof as a series of spaced, parallel fiber ribbons. The ribbons are supported in a locator body having a plurality of spaced, paral... | 09/19/1989 |
| 4838642 | Fibre plates having coding fibres A fibre plate comprising a stack of rows of glass fibre bundles and with or without light absorptive fibres in interstices thereof. A number of auxiliary glass fibre bundles are located in predetermined positions in a peripheral area of the face of the pl... | 06/13/1989 |
| 4820013 | LED array head An LED array head which has a simplified structure and can be produced at a reduced cost. The LED array head comprises an LED array, a plurality of flexible printed circuits connected at faces thereof opposing to light emitting portions of the LED array t... | 04/11/1989 |
| 4805983 | Led array head Disclosed is here an LED array head in which a light emitting section thereof is selectively caused to emit light to expose an object to the light wherein a fiber bundle constituted with a plurality of optical fibers is arranged with an end portion thereo... | 02/21/1989 |
| 4805982 | Led array head Disclosed is here an LED array head in which a light emitting section thereof is selectively caused to emit light wherein a fiber bundle constituted with a plurality of optical fibers is arranged with an end portion thereof to be located at a position in ... | 02/21/1989 |
| 4786139 | Optical fiber light transfer apparatus, method and apparatus for making same Light transfer apparatus and method and apparatus for making disclosed includes a screen row clamping assembly that clamps a row of screen units side by side in a straight row with uniform spacing of fiber ribbons between units. A matrix row clamping asse... | 11/22/1988 |
| 4783139 | Streaking tube A streaking tube has fiber cables, and the fiber cables are buried in a faceplate made of glass or fiber and arranged in line passing through the center of the faceplate so that the inner edges of the respective fiber cables are set to the inner surface o... | 11/08/1988 |
| 4778989 | Scanning device for microline-by-microline illumination and optically scanning a planar original An apparatus for microline-by-microline illumination and scanning of a planar original has a number of spaced illumination elements, each having longitudinal and transverse dimensions substantially corresponding to a microline, and a number of spaced ligh... | 10/18/1988 |
| 4773730 | Fiber optic light transfer devices and assemblies A fiber optic light transfer device has a plurality of optical fibers with first and second end surfaces. A locator body for the first end surface has parallel slots through which the fibers extend and by which the fibers are located and mechanically held... | 09/27/1988 |
| 4755718 | Wide angle and graded acuity intensifier tubes New fiber optic elements and a new microchannel plate for proximity focus image intensifier tubes and a method for making them are provided. Higher resolution is provided at the center of the field of view by the use of graded fiber and channel sizes and... | 07/05/1988 |
