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Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 8379067 | Image forming apparatus and control method thereof An image forming apparatus includes a transport part which includes a transport belt to transport a printing medium, an image forming part which transfers a toner to form a color image, and a controller which controls the image forming part to form a test image for ... | 02/19/2013 |
| 8279247 | Image forming apparatus and manufacturing method thereof An image forming apparatus can include exposure units having light emitting elements, a forming unit which has a photoreceptor exposed by the exposure unit and forms an image on a body to be transferred, an acquisition unit for acquiring a tilt angle error between a... | 10/02/2012 |
| 8264508 | Image forming apparatus and method for controlling the same An image of a color misregistration detection pattern is formed, and the amount of color misregistration is detected by reading of the pattern image. The amount of color misregistration detected by a detecting unit and the delay time from the time when image data is... | 09/11/2012 |
| 8154572 | Adjusting the calibration of an imaging system The calibration of an imaging system is adjusted for geometric distortion of an image formed by a group of imaging channels on a media supported on a media support. The media support includes a plurality of individually spaced reference features disposed on a surfac... | 04/10/2012 |
| 8120630 | Image shift adjusting apparatus of image forming apparatus First patterns for setting a first adjustment value and second patterns for setting a second adjustment value are formed on a transfer belt running at a first process speed. By this, an image shift adjustment value in a sub-scanning direction is made common to the f... | 02/21/2012 |
| 8111272 | Method for compensating misalignment errors in electrophotographic device A method for compensating misalignment errors associated with a laser beam in an electrophotographic (EP) device is disclosed. A first value and a second value of a time-of-flight of the laser beam are determined. The second value of the time-of-flight is associated... | 02/07/2012 |
| 8059145 | Color image forming apparatus and image forming method A color image forming apparatus including: an image forming section which forms an image based on image information on an image carrier provided in the image forming section; a detection section which detects a print mark for color misalignment correction formed on ... | 11/15/2011 |
| 8044986 | Image forming apparatus and method for controlling the same An image of a color misregistration detection pattern is formed, and the amount of color misregistration is detected by reading of the pattern image. The amount of color misregistration detected by a detecting unit and the delay time from the time when image data is... | 10/25/2011 |
| 8040365 | Image forming apparatus and control method thereof An image forming apparatus includes a transport part which includes a transport belt to transport a printing medium, an image forming part which transfers a toner to form a color image, and a controller which controls the image forming part to form a test image for ... | 10/18/2011 |
| 8035667 | Image forming method, image forming apparatus and toner image pattern An image forming method exposes image bearing members by simultaneously reflecting light beams from light sources, corresponding to different colors, by different reflection surfaces of a polygon mirror which has reflection surfaces and is rotated in one direction, ... | 10/11/2011 |
| 8026937 | Image forming method, image forming apparatus and toner image pattern An image forming method exposes image bearing members by simultaneously reflecting light beams corresponding to different colors by different reflection surfaces of a polygon mirror, transforms electrostatic latent images formed on the image bearing members into ton... | 09/27/2011 |
| 8004546 | Deviation amount detecting device, deviation amount detecting method, and computer-readable recording medium A deviation amount detecting device for use in an electrophotographic color image forming device is configured to detect whether a deviation for each of toner images of different colors on a transporting member takes place, based on position information which is sto... | 08/23/2011 |
| 7916161 | Image forming apparatus An image forming apparatus is provided with a light scanning device that directs laser beams emitted from a plurality of laser light sources on to a plurality of photoconductive members via focusing device which includes optical elements and a deflecting device that... | 03/29/2011 |
| 7876342 | Color image forming apparatus using registration marks In an image forming apparatus for forming a color image by superposing component color images, a control device obtains position data representing a forming position of each of plural registration mark images for the component color images with respect to a position... | 01/25/2011 |
| 7847810 | Image forming apparatus An image forming apparatus is provided. A second photoconductor is disposed at a downstream side of a first photoconductor in a moving direction of a medium. First and second exposure units form first and second electrostatic latent images on the first and second ph... | 12/07/2010 |
| 7830403 | Image-forming device An image-forming device includes a conveying unit and a pattern data generating unit. The conveying unit conveys a target in a conveying direction, the target having a target light reflectance. The pattern data generating unit generates pattern data indicating a pat... | 11/09/2010 |
| 7830402 | Image forming apparatus and image write start position adjusting method for the same A high-quality image forming apparatus that is capable of accurately adjusting the size and position of an image during image formation on a second surface of a transfer material, even when there has been expansion/contraction of the transfer material due to thermal... | 11/09/2010 |
| 7796146 | Image forming apparatus, an image forming method and an image detecting method An image forming apparatus, includes: an exposure head that includes a plurality of imaging optical systems which are arranged in a first direction and a plurality of light emitting elements which emit lights to be imaged by the imaging optical systems; a latent ima... | 09/14/2010 |
| 7777767 | Image forming apparatus and method of adjusting color shift An image forming apparatus includes an image forming unit that forms a color image in which a plurality of color component images are superimposed; and a formation controlling unit that allows the image forming unit to form images for adjustment of formation positio... | 08/17/2010 |
| 7697018 | Image forming apparatus, image forming method and image forming program A technique can define a right position for forming a toner image on the transfer surface of an intermediate transfer body regardless of the size and the number of the sheets on which toner images are to be transferred. An image forming apparatus for forming a toner... | 04/13/2010 |
| 7679630 | Horizontal color plane registration correction A method for detecting and correcting misregistration between a plurality of separations printed by a printing apparatus, comprising: producing a calibration print output on a substrate, the calibration print output including at least one calibration pattern, wherei... | 03/16/2010 |
| 7671877 | Multi-imager system using reflex writing and lateral image registration A lateral position of a photoreceptor belt is detected by at least a first sensor and a second sensor, respectively located near a first imager and a second imager. The detected lateral positions of the photoreceptor belt by the first sensor is compared to the detec... | 03/02/2010 |
| 7656420 | Controlling timing for starting image formation Exemplary embodiments provide an apparatus, method, system, computer program and product, each capable of controlling a timing for starting image formation such that when forming a preceding image and a following image, a timing for starting formation of the followi... | 02/02/2010 |
| 7643043 | Image forming apparatus and image forming method Image data are inputted from a data processing means (23) into storage means (24) so that light emitting elements on one line (28a) of a light emitting element (yellow) line head (28) are actuated according to signal outputted from... | 01/05/2010 |
| 7623143 | Light quantity adjusting apparatus, color-registration-deviation amount detecting apparatus light quantity adjusting method, and color-registration-deviation amount detecting method Light quantity is adjusted in an image forming apparatus including an image carrier by forming a pattern on the image carrier, detecting a light quantity of a reflecting light from the pattern and outputting a voltage, reading the light quantity of the reflecting li... | 11/24/2009 |
| 7598971 | Color image forming apparatus A color image forming apparatus includes a coordinate conversion part, which converts a ordinate value, for executing a misregistration correction in the unit of a pixel; a gradation conversion part, which converts a gradation level, for executing a misregistration ... | 10/06/2009 |
| 7567264 | Collor image forming apparatus having magnification correction function An image forming apparatus for forming color images may include at least two or more colors, having a function of magnification correction of image size by one page unit, the image forming apparatus including: an image carrier; a polygonal mirror rotator independent... | 07/28/2009 |
| 7542058 | Color image forming apparatus using registration marks In an image forming apparatus for forming a color image by superposing component color images, a control device obtains position data representing a forming position of each of plural registration mark images for the component color images with respect to a position... | 06/02/2009 |
| 7528851 | Method and apparatus for forming images capable of reducing color registration errors An image forming apparatus including a memory device configured to prestore control information and registration pattern data, a traveling member, a toner pattern forming device forming a toner pattern, which includes a plurality of marks of a plurality of color com... | 05/05/2009 |
| 7515162 | Image forming apparatus, image forming method and computer-readable medium for storing program therefor An image forming apparatus includes an input unit that inputs an image forming job, a raster image generating unit, a transport path, a plurality of image forming engines, a calculating unit that calculates the displacement amount between the formation position of t... | 04/07/2009 |
| 7505057 | Apparatus, method, and program for color image forming capable of efficiently correcting displacement A color image forming apparatus includes a pattern forming mechanism configured to form a pattern for fine adjustment and a pattern for rough adjustment on a transfer medium, a detection mechanism configured to detect the pattern formed thereon, a displacement calcu... | 03/17/2009 |
| 7502041 | Method and apparatus for image forming capable of synthesizing a full color image without causing deviations of color layers An image forming apparatus includes an intermediate transfer member, a sensor, and two image forming units. Each of the image forming units includes an image carrier, an image writer, two development rollers, and a switcher. The image writer writes an electrostatic ... | 03/10/2009 |
| 7499066 | Image forming apparatus with improved capability of image superposition An image forming apparatus including a light scanning device configured: to store in advance a predetermined base correction time; initiate optical image writing for a first round of rotation of an endless intermediate transfer member onto a latent image bearing mem... | 03/03/2009 |
| 7495683 | Image forming apparatus and control method therefor An image forming apparatus which is capable of forming an excellent image while suppressing reduction in productivity to a minimum even when an abnormality occurs in detection of an HP mark on an intermediate transfer member. When there occurs abnormality in detecti... | 02/24/2009 |
| 7453480 | Color image forming apparatus using registration marks In an image forming apparatus for forming a color image by superposing component color images, a control device obtains position data representing a forming position of each of plural registration mark images for the component color images with respect to a position... | 11/18/2008 |
| 7450138 | Controlling timing for starting image formation Exemplary embodiments provide an apparatus, method, system, computer program and product, each capable of controlling a timing for starting image formation such that when forming a preceding image and a following image, a timing for starting formation of the followi... | 11/11/2008 |
| 7434905 | Image forming apparatus and image forming control method An image forming apparatus that is capable of carrying out image formation on a recording medium such as plain paper without increasing the FCOT (First Copy Out Time) and is also capable of carrying out optimal image formation on a recording medium, such as thick pa... | 10/14/2008 |
| 7436540 | Image recorder having more than one recording head and image recording system containing the image recorder A control part comprises a division location setting part for setting a division location based on an image data; a scan start position setting part for setting scan start positions of recording heads based on the division location; an image data division part for d... | 10/14/2008 |
| 7432494 | Color image forming apparatus and method of controlling the color image forming apparatus that efficiently perform position displacement detection operation and density detection operation A color image forming apparatus including tandem type image forming units that form images of different colors, respectively. The image forming units form test marks of different colors on a conveyor belt in its conveying direction at predetermined intervals. The te... | 10/07/2008 |
| 7427997 | Systems and methods for registering a substrate A Xerographic system includes an imaging device that forms an image on a substrate and a controller that applies one-half of a substrate error value as a correction value to adjust a position of the image prior to the imaging device forming the image on the substrat... | 09/23/2008 |
