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| Number | Title | Issue Date |
| 4562485 | Copying apparatus A copying apparatus includes a carriage on which an original document may be placed, a scanner for scanning the image of an original document placed on the carriage, a memory for storing the original image scanned by the scanner in a state of a group of p... | 12/31/1985 |
| 4553174 | Drive device in a plane reading device A reading mechanism of a plane reading device is provided with a rack and pinion drive mechanism with a step motor as the driving source. Backlash and vibration are prevented by applying a biasing force on the reading mechanism in a direction opposite tha... | 11/12/1985 |
| 4543491 | Original reading device Disclosed is an original reading device in which, of first and second areas of the portion to be read of an original to be read which adjoin each other with a boundary therebetween, the first area is projected upon a first image pick-up element by a first... | 09/24/1985 |
| 4524395 | Multi-mode reproduction apparatus A multi-function reproduction apparatus selectively operable to either copy, write, or read. For reading, the image to be read is processed xerographically to provide a developed image on the apparatus photoconductive member which is raster scanned with a... | 06/18/1985 |
| 4516174 | Video signal regulating apparatus A sensor (S1) is provided in a reflector (23) which reflects light from a lamp (21) to illuminate an original document (24) for scanning. A light image of the document (24) is scanned by an optoelectronic scanning array (28) which produces vide... | 05/07/1985 |
| 4513325 | Image outputting device An image outputting device includes a pattern generation for impressing a picture element reference pattern on a recorded document along with the picture information thereof, where the reference pattern is in phase with the recorded picture elements. When... | 04/23/1985 |
| 4511928 | System and method for high quality image reproduction with grayscale image print while store capability A system and method for reproducing images on a printer in printed form employs a primary microprocessor and a printer control microprocessor to achieve a "print while store" capability. Digital data corresponding to the images to be reproduced are receiv... | 04/16/1985 |
| 4449147 | Self-scanning photodiode array A linear photosensor array is inclined relative to a direction of reciprocating movement thereof. Photosensor elements (4) of the array are self-scanned in one direction while the array is moved in a forward direction and in the opposite direction while t... | 05/15/1984 |
| 4433346 | Raster input scanner A high speed parallel process raster input scanner employing time delay in integration (TDI) arrays for scanning plural lines of an original document. The lines of image signals output by the arrays are processed simultaneously, such processing including ... | 02/21/1984 |
| 4414583 | Scanned light beam imaging method and apparatus In the use of a scanned light beam for optical imaging, a random motion modulation is applied to the light beam orthogonally to the scan direction to break up any unscanned or overlapped interstices between adjacent scan lines to make the interstices appe... | 11/08/1983 |
| 4403258 | Method and device for sequentially imaging an original A scanning device movable with respect to an original is provided for scanning the latter. An optical system focuses the light emitted by a region of the original on a plurality of photo-sensors, the output signals of which are then amplified, selectively... | 09/06/1983 |
| 4400740 | Intensity control for raster output scanners A control for modulating the scanning beam of a raster output scanner in response to both video image signal levels and beam intensity signal levels through a single port modulator driver with linear balanced amplifier. A control circuit combines the vide... | 08/23/1983 |
| 4383170 | Image input device An image input device is disclosed including an image source which generates an image light and a light sensor facing the image source. The image light is divided into a number of components by an image dividing device. The light sensor contains a number ... | 05/10/1983 |
| 4371897 | Fluorescent activated, spatially quantitative light detector A fluorescent-activated spatially quantitative light detector for sensing light reflected from an information bearing surface, said light detector comprising a generally cylindrical rod containing a fluorescent dye dispersed throughout a generally transpa... | 02/01/1983 |
| 4333112 | Image scanning apparatus and method This invention relates to an apparatus and method for scanning and duplicating documents with high resolution. The apparatus herein disclosed includes an array of printing nozzles and a photosensor comprising sensor elements the number of which per line i... | 06/01/1982 |
| 4333153 | Scanning and control system for electro optical printer An electrophotographic typesetting system having a raster scanning means including means for directing a beam of modulated radiation across an imaging surface, means for providing relative motion between said beam and an imaging surface to produce a succe... | 06/01/1982 |
| 4318135 | Alignment system for scanning arrays An image input terminal (IIT) with automatic document handler for feeding documents to be scanned into registered position on the IIT platen. The IIT includes a pair of multi-element scanning arrays with cooperating scan lamp and optics on a movable carri... | 03/02/1982 |
| 4275423 | Original reading device In a copying machine or a facsimile apparatus in which an original is scanned to read the information of the original, an original supporting table has caused the information side of the original to be opposed to a slit surface or the like. That is, the o... | 06/23/1981 |
| 4270147 | Apparatus for limiting facsimile transmission durations The scanning drum of a facsimile receiver carries a longitudinally extending stripe such that portions of the stripe at opposite extremities of a document carried by the drum are exposed. The width of the stripe at the exposed portion adjacent the leading... | 05/26/1981 |
| 4251821 | Character recording device A dot character recording device in which a recording surface is scanned with a laser beam modulated in accordance with the dot patterns of characters to be recorded. The time width of the modulating signal is adjusted in accordance with the beam position... | 02/17/1981 |
| 4247872 | Facsimile signal converter A facsimile signal converter for mutually converting to each other one of a facsimile signal of one-way scanning and a facsimile signal of two-way scanning for each scanning line, in which a first read head and a second read head are reciprocated for scan... | 01/27/1981 |
| 4245259 | Inertia drive head for optical scanning and readout The drawings illustrate the principles involved in an inertial shuttle device originally constructed to operate as an optical character recognition device and adapted to rapid photocomposition. The shuttle is a scanning device which is inherently a very unifor... | 01/13/1981 |
| 4237494 | Facsimile system In a facsimile system capable of performing the read scanning, record scanning and transmission processing of image element data line by line, a buffer apparatus on the transmission side stores therein the image element data obtained from a scanner in uni... | 12/02/1980 |
| 4216495 | Electro-optical scanning Four color separations are produced from a single full-color photographic transparency. The transparency is mounted on the transparent curved surface of a rotatable cylinder and light is directed axially into the cylinder and out through the transparency ... | 08/05/1980 |
| 4213155 | Process for improving image quality in picture telegraphy Apparatus and method for improving the picture quality during transmission of facsimile signals which have an image signal having a signal of a particular polarity but has an minimum amplitude to represent a first information state such as white and a max... | 07/15/1980 |
| 4213158 | Optical data recording system utilizing acoustic pulse imaging to minimize image blur An optical data recording system in which during recording the image of the acoustic pulse at the writing surface is made to move at the same relative velocity with respect to the recording medium whereby motion blur is minimized or reduced. The writing b... | 07/15/1980 |
| 4186991 | Angularly rotatable mirror apparatus An angularly rotatable mirror apparatus including angularly rotatable mirror means and linear motor means. The angularly rotatable mirror means includes a mirror supported on a bracket and connected through an arm to the linear motor means for angularly r... | 02/05/1980 |
| 4177449 | Photoelectric converter apparatus A photoelectric converter apparatus suited for use in optical pattern reader system comprises a plurality of charge storage type photoelectric conversion elements disposed in a linear array for receiving light reflected from an original such as slip or a ... | 12/04/1979 |
| 4177487 | Facsimile scanner An electro-optical picture signal processing system, wherein an optical image is converted into time sequential electrical picture signals, or, conversely, time sequential electrical picture signals into an optical image or an electrostatic latent image, ... | 12/04/1979 |
| 4173772 | Solid state image scanning system for producing a binary output An image scanning system which alternately illuminates a charge transfer device with a focused, then defocused image of a line at a time of a document in order to provide comparison signals for binarization of the image concurrent with cancellation of dar... | 11/06/1979 |
| 4160279 | Optoelectronic reading apparatus For facsimile transmission or the like an optical system scans an original document and produces quantized electrical signals which are stored in a buffer memory. A data compression unit reads out the signals and performs data compression thereon asynchro... | 07/03/1979 |
| 4093964 | Image reproducing systems In an image-reproducing system in which a number of beams scan over a record medium together and contribute to the formation of half-tone dots, an anamorphic system is included in the beam path to match the beam cross-section to the shape of mask aperture... | 06/06/1978 |
| 4048657 | Method and apparatus for synchronizing a facsimile transmission A facsimile transmission system is described which includes a transmitter section having an optical sensor driven across a selected document by a variable speed motor controlled by the frequency of an oscillator. The relative movement of the sensor with r... | 09/13/1977 |
| 4018985 | Facsimile apparatus for scanning a selected portion of a graphic record A graphic record such as a bank signature card with a signature portion of limited area is registered by a framing clip on a carriage moveable under a photoelectric facsimile line scanner. The carriage is manually moved to an inner, start-of-scan position... | 04/19/1977 |
| 4009388 | Arrangement for extending photosensor array resolution An optical arrangement for splitting an optical path into twin paths so that an image propagating along the path from an object plane is incident upon one or the other of two linear arrays of photosensor elements disposed at twin image planes. The arrange... | 02/22/1977 |
| 4001500 | Amplifier for use in a document scanning system A video amplifier for use in a document scanning system to provide signals representative of the information content of a scanned document. The amplifier includes an automatic background control portion and an automatic black level adjustment portion to m... | 01/04/1977 |
| 3983321 | Switching circuit utilizing a base storage characteristics of a transistor for use in a facsimile transceiver and the like A document/copy carrying drum of a facsimile transceiver is rotatably driven by a synchronous motor. The synchronous motor is connected as a load in series with a first transistor and a first power supply of one polarity. The synchronous motor is also con... | 09/28/1976 |
| 3974325 | Interpolator for facsimile bandwidth compression In a facsimile transmission device, means for reducing the bandwidth which includes a clock rate halving flip-flop and an odd-even line switching flip-flop which are logically combined to transmit every second data bit in each line in a vertical stagger b... | 08/10/1976 |
| 3965289 | Image reproducing method To provide an electronically reproduced image of an original in which defects have been removed by retouching, defects in the original are marked in such a manner that the signals from an analysing scanner corresponding to the defect marking are distingui... | 06/22/1976 |
| 3962538 | Flying spot scanning system with virtual scanners A flying spot scanning system is provided which uses directed light from a scanning element, which directed light is reflected through a symmetrical arrangement of prisms for scanning across a medium with a planar object surface. Virtual scanners provide ... | 06/08/1976 |
