Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 6880924 | Imaging media cartridge having a reserve chamber An imaging media cartridge for use in an imaging apparatus includes a first imaging media reservoir chamber and a second imaging media reservoir chamber. A removable barrier is disposed between the first imaging media reservoir chamber and the second imaging media r... | 04/19/2005 |
| 5515136 | Image recording apparatus An image recording apparatus having a light source which illuminates light to one of a reflection original image and a transparency original image, and an imaging lens system which uses the light reflected or transmitted from the original image after bein... | 05/07/1996 |
| 5436691 | Copier with anamorphic magnification imaging system A copier with an anamorphic magnification imaging system is provided with improvements which enable increased resolution of exposed line images at a photoreceptor. The improvement relates to reducing the effective imaging aperture through which the images... | 07/25/1995 |
| 5414489 | Light pipe spectral filter An elongated light source of the type employed in a document scanner for forming a line of uniform intensity, diffuse illumination at a document scanning plane. The light source has a longitudinally extending aperture for generating a line of light aligne... | 05/09/1995 |
| 5157422 | Solid imaging member with matrix of connected photoelectric conversion devices, providing exposure surface, and charge storage devices, providing opposite surface for latent image formation and developed image transfer In a copying apparatus employing a light source for illuminating an original subject to be copied and forming a toner image corresponding to said original subject on a recording medium, a solid imaging device is employed for converting a reflected light f... | 10/20/1992 |
| 5126872 | Apparatus for optically scanning the surface of an object whose surface is capable of reflecting or scattering light An apparatus for optically scanning a reflective object includes a first reflector having a frustoconical reflecting surface with a central opening. A second reflector has a flat reflecting surface which faces the frustoconical surface and is inclined wit... | 06/30/1992 |
| 5063405 | Apparatus for forming images The invention provides a color copying machine or apparatus for forming chromatic images which irradiates an original with rays from a light source, focuses the reflection from the original as latent images on a photosensitive recording medium, and forms ... | 11/05/1991 |
| 4959731 | Combined electrographic printer, copier, and telefax machine An electrographic printing apparatus capable of functioning as a copier, printer, and telefax machine is disclosed. The electrographic printing apparatus includes a photoconductive member, preferably a horizontally mounted photoconductive belt, a develope... | 09/25/1990 |
| 4913526 | Optical LED printhead with lens locator bar Optical printhead for hard copy printers and copiers. The printhead includes a fiber optic lens array having a reinforcing and locating bar permanently bonded to the side and exact center of the lens. The bar has a dimension parallel to the axis of the fi... | 04/03/1990 |
| 4899040 | Light-conditioning apparatus for an image scanner illumination system An illumination system for image scanner apparatus that varies the amount of light in an object (film) plane as a function of field angle, to render irradiance at an image sensor relatively uniform with field angle. In a preferred embodiment, an optical c... | 02/06/1990 |
| 4891668 | Optical imaging system for a copying machine An optical imaging system for compensating for the image elongation inherent in the transferring and fixing process without introducing unsharpness in the image wherein the original moves in the object space relative to an optical system. The optical syst... | 01/02/1990 |
| 4754300 | Combined electrographic printer, copier, and telefax machine An electrographic printing apparatus capable of functioning as a copier, printer, and telefax machine is disclosed. The electrographic printing apparatus includes a photoconductive member, preferably a horizontally mounted photoconductive belt, a develope... | 06/28/1988 |
| 4674856 | Image formation apparatus The disclosure is directed to an image formation apparatus for producing both mirror images and normal images. The apparatus comprises an image inverting prism positionable selectively in an optical path of an image transmission device or outside thereof.... | 06/23/1987 |
| 4589732 | Liquid crystal optical printing apparatus with rod lens The optical printing apparatus comprises a fluorescent lamp light source, a shield plate for blocking substantially all of the light emitted from the light source, a liquid crystal panel subject to irradiation with the light emitted from the light source ... | 05/20/1986 |
| 4533228 | Optical image projector for projecting an erect positive image of unity magnification and for minimizing degradation in resolution An optical image projector includes an array of optical elements which projects an erect positive image of an object onto an image receiving surface which is not parallel to the plane of the object. The array, the plane of the object and the image receivi... | 08/06/1985 |
| 4420245 | Electrophotographic copier having movable optical elements for changing the magnification of an original document An electrophotographic copier for forming a copy of a document with a unit image magnification and a modified magnification, i.e. reduced or enlarged magnification is disclosed. A converging optical fiber array for forming a life-size image of a document ... | 12/13/1983 |
| 4378956 | Direct imaging of information using light pipe displays A light pipe information display, having a non-conductive, transparent planar first glass sheet and a non-conductive planar opaque second glass sheet, both sheets being disposed adjacent to one another with their inner surfaces opposing one another in spa... | 04/05/1983 |
| 4370055 | Duplicating system comprising electrophotographic copying apparatus and option device A duplicating system comprises an electrophotographic copier which includes a first optical scanning system for making a slit exposure, a first document feeder for feeding a first document to be copied at a first speed with respect to the first optical sc... | 01/25/1983 |
| 4352550 | Combination of circular/straight line light beam scan transforming apparatus and optical device and method of fabricating circular/straight line transforming device A combination of a circular/straight line light beam scan transforming apparatus and optical device constitutes an optical system. In the optical device, a light beam whose intensity is varied by a modulation signal is produced, and an object is exposed t... | 10/05/1982 |
| 4350431 | Projecting device A projecting device having an array, in a plane perpendicular to the optical axis, of plural element lens systems each axially provided with two bar lenses of an axial length larger than the effective diameter thereof, characterized by the presence of an ... | 09/21/1982 |
| 4330196 | Electrophotographic copying apparatus An electrophotographic copying apparatus has a rotatable photoreceptor having a photoconductive outer layer. An optical scanning arrangement includes an illuminating system and an optical system for projecting a light image from an original onto the photo... | 05/18/1982 |
| 4316665 | Projection device In a slit exposure type copying machine, a projection device basically includes transmission type element lens systems each including a lens having a great length in the direction of the optic axis thereof as compared with the effective diameter thereof. ... | 02/23/1982 |
| 4297022 | Light pipe valve liquid crystal transmissive display for direct imaging on photosensitive materials A liquid crystal light pipe display for direct imaging onto photosensitive materials, having a non-conductive, transparent first sheet and a non-conductive substantially opaque second sheet, each having substantially planar inner and outer surfaces. The n... | 10/27/1981 |
| 4275962 | Projection device This specification discloses a compact projection device in which lens systems extending in the direction of the optic axis for projecting a part area of an object upon a predetermined part area on an image plane (hereinafter referred to as element lens s... | 06/30/1981 |
| 4268159 | Electrographic copying apparatus A scanner scans a document to produce the document information. A memory stores the document information of many documents and their associated retrieval code data. By specifying the retrieval code data, the document information related to the retrieval c... | 05/19/1981 |
| 4190347 | Line illuminator An illuminator for a line-scanning document copier including a fan-shaped array of optical fibers with light-output ends juxtapositioned along a line, and opposite light-receiving ends tightly bundled together. Light loss from fiber breakage, gaps and oth... | 02/26/1980 |
| 4178093 | Optomechanical scanning apparatus for copying machine A horizontal platen is translatable through a first exposure position above a photoconductive drum for supporting bulky original documents such as books. A first focussing optical fiber array is disposed between the first exposure position and the drum. A... | 12/11/1979 |
| 4129373 | Electrophotographic apparatus A focussing optical fiber array is disposed between an original document carrier and a photosensitive member such as a photoconductive sheet to focus an image of a linear portion of an original document onto the sheet. A reflector means comprising a plura... | 12/12/1978 |
| 4129376 | Electrophotographic apparatus An image on an original (hereinafter referred to as an "original image") is exposed as an erect image on a photoconductive recording medium by a first optical system, and as an image by inversion (hereinafter referred to as an "inverted image") by a secon... | 12/12/1978 |
| 4116557 | Electrophotographic copying apparatus An electrophotographic copying apparatus of the slit exposure type which includes a scanning box having image forming elements such as a photoreceptor drum, a corona charger, an optical system, and a transfer member, etc. incorporated therein. The photore... | 09/26/1978 |
| 4084895 | Projection device for a photocopying machine The present invention is a projection device for a photocopying machine in which the original documents are moved during the photocopying process and which permits photocopying both of thick and of thin original documents. The projection means includes a ... | 04/18/1978 |
| 4068936 | Optical projection apparatus for image transfer type electrophotographic copiers Optical projection apparatus for an image transfer type electrophotographic copier, wherein prism-shaped reflecting members are disposed at both ends of an optical fiber type image transmitter formed by a bundle of optical fibers having graded refractive ... | 01/17/1978 |
| 4043656 | Transparency copying machine An electrophotographic printing machine in which a transparency or an opaque original document is reproduced. In reproducing a transparency, a mirror is pivoted from a position remote from the light image path into the path of the transparency light image... | 08/23/1977 |
| 4033688 | Color copying apparatus A carriage carrying a plurality of scanners passes on a housing underneath an image-bearing master so as to produce three color-component beams that are each reflected through a set of mirrors onto a respective location on an image-receiving electrostatic... | 07/05/1977 |
| 4026642 | Identification card issuing apparatus An apparatus for automatically issuing an identification card, such as a commutation ticket, airline ticket, credit card, driver's license or the like, which has information forming means having an information storage device for electromagnetically storin... | 05/31/1977 |
| 4008954 | Device for extinguishing unnecessary electrostatic charge in electrophotographic copier In an electrophotographic copying machine having a transparent support for support thereon the original to be copied, an illumination device for illuminating the original on the transparent support and a photoreceptor surface adapted to be driven past cha... | 02/22/1977 |
| 3981575 | Photocopier illumination device An optical illumination device for use in a copying apparatus of the type wherein an object is to be illuminated and an image thereof is to be projected through a particular image transmitter formed of a plurality of optical fibers of graded refractive in... | 09/21/1976 |
| 3977777 | Image transmission device for slit scanning type photocopying machine An image transmission means for employment in a photocopying machine wherein a document to be copied is scanned and image-wise light reflected therefrom is directed onto a photosensitive medium which is moved at a speed equal or proportional to the docume... | 08/31/1976 |
| 3955888 | Electrophotographic copying apparatus A slit exposure scanning type electrophotographic copying apparatus has an optical system enclosed in an optical frame within which a light source for illumination, an image transmitter formed by a bundle of optical fibers of graded refractive index, and ... | 05/11/1976 |
| 3942886 | Display unit equipped with copying device A display unit equipped with a copying device. The display unit has a double-sided display panel secured at the front of unit housing, a light shield film movably provided behind the display panel in parallel and spaced relation to the latter, a guide pla... | 03/09/1976 |
