СПИСОК патентов США - подгруппа МПК16 H04N1/401


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2017

19594986Inkjet printer correcting image data based on calculated inkjet head displacement and inter-pixel distances
29578204Image reading device
39558430Image forming apparatus using filters to correct potential distribution on photoreceptor due to spot shape of emitted light
49554009Image scanning apparatus configured with a DC voltage power source
59549097Imaging device, image forming apparatus, and method of controlling driving of two-dimensional image sensor
69544516Method and apparatus for sensor characterization

2016

79525800Image forming apparatus
89522543Image processing method and inkjet recording apparatus
99521295Image forming apparatus and image forming method
109516194Method for correcting shading and scanner device
119516193Contact image sensor, output correction device for contact image sensor, and output correction method for contact image sensor
129503612Glare mitigation for dynamic document scanning
139479708Image processing device, image processing method, and image processing program
149451226White balance method for shading compensation, and apparatus applied to the same
159444950Image reading device and image forming apparatus with white reference optical adjustment portions
169392142Imaging sensor, image reading device, image forming apparatus, and alignment method of imaging sensor
179392135Image processing apparatus, image processing method, and non-transitory computer-readable storage medium
189357100Image capturing apparatus, image capturing method, and image capturing circuit
199349081Image forming apparatus and method of creating evaluation data
209280733Image interpolating unit, program product, and reading apparatus that inserts an interpolated pixel value in a lost pixel position based on edge amounts of reference pixels and total of differences between pixel values
219277080Image reading device determining whether dark output data is within prescribed range
229264570Image forming apparatus, image reading apparatus and image reading method
239258456Image reading device, image forming apparatus, and recording medium
249241090Image processing device, image correcting method and program

2015

259222882Measurement system that estimates reflection characteristics of a target object and control method thereof
269204011Apparatus and method for extracting a background luminance map of an image, de-shading apparatus and method
279197786Image reading device, image forming apparatus, and image reading method
289191540Image processing device and method of acquiring amount of density deviation of light-emitting-element group
299185263Image scanning apparatus and method
309179038Image processing device, and image processing method and program
319171239Processing image data strips in columnar regions
329160868Document reading apparatus, document reading method and storage medium
339146514Image forming apparatus and image forming method for correcting registration deviation
349124839Image processing apparatus and pixel interpolation method
359118785Compensating for image sensor profile variations
369106862Print control device, inkjet recording apparatus, print control method, and printing system
379083911Nozzle shading method, and an inkjet printing apparatus using same
389066038Image processing and scanning apparatus identifying points having maximum density along a scanning direction so that binding position of input image is identified
399065948Flexible shading member for performing shading correction and movable relative to first and second image reading sections
409060150Image reading apparatus and sheet processing apparatus
419055252Image processing apparatus, image processing method, and printer

2012

428339674Halftone independent correction of spatial non-uniformities

2011

438072648Halftone independent correction of spatial non-uniformities
448059307Image processing apparatus and method dividing image data for multi-pass scans using mask based on beam deviations
458031367Ejection device and ejection method with uneven liquid ejection control effect

2010

467787147Printing method and apparatus correcting ink ejection in each row region using a combined correction value for certain coexistent row regions

2009

477564585Wavelet-based image processing path

2008

487333246Method and system for imposing print data

2007

497170644Method and system for reducing distortion in scanned images

2005

506952285Image reading device that adjusts for weakening of scanner elements over time
516945624Droplet deposition apparatus
526943335Signal processing apparatus having a specific limb darkening correction
536940546Method for compensating a digital image for light falloff while minimizing light balance change
546930701Method and apparatus for controlling scanning velocity and amount of light for forming color image
556922263Image scanner for use in image forming apparatus
566920251Image reading method including shading correction and image reading device therefor
576914621Shading correction method for heat development recording apparatus and heat development recording apparatus
586903758Method for maintaining image squareness and image on image registration
596853402Combined multiplexing and offset correction for an image sensor array

2004

606836344Image recording apparatus and copying system
616822766Correction for debris and low output photosensors in scroll fed scanner using stored initial calibration data
626819786Image processing apparatus
636816624Method and apparatus for correcting degradation of book center image by image processing based on contour of book center image
646806980Adaptive illumination correction of scanned images
656801670Image reading apparatus and shading correction data acquiring method
666784914Clock-generating circuit and image-forming apparatus having a function of canceling unevenness of scanning-light amount
676775419Image processing method, image processing apparatus, and storage medium for storing control process
686774893Intelligent light source
696771397Image reader for use in image forming apparatus
706763141Estimation of local defocus distance and geometric distortion based on scanned image features
716755497Ink-jet printing apparatus, control method thereof, and data processing apparatus and method
726753983Time-saving calibration method of a scanner
736750892Density correction method and image forming apparatus
746707572Filtering method to reduce pixel density
756707557Method and system for estimating sensor dark current drift and sensor/illumination non-uniformities
766694062Device and method of correcting dark lines of a scanned image
776683703Photoelectric transducer and photoelectric transducing method of the same
786682173Symptomatic reduction of banding artifacts

2003

796670988Method for compensating digital images for light falloff and an apparatus therefor
806666535Method and apparatus for preventing satellite induced banding by selective pixel compensation
816665093Shading correction method for shuttle scanning device
826657748Image reading apparatus, image reading method, and storage medium
836654042Semiconductor laser array having plural light emitting elements and a light receiving element
846650445Optical scanner providing compensation for non-uniform bulb illumination
856646760Image processing method and apparatus
866633650Image processing apparatus
876606172Image information processing apparatus, image information processing method and image forming apparatus
886606171Digitizing scanner
896603499PRINTHEAD HAVING NON-UNIFORMITY CORRECTION BASED ON SPATIAL ENERGY PROFILE DATA, A METHOD FOR NON-UNIFORMITY CORRECTION OF A PRINTHEAD, AND AN APPARATUS FOR MEASURING SPATIAL ENERGY PROFILE DATA IN A PRINTHEAD
906600577Image read apparatus and image read method
916600548Image processing method and apparatus
926587245Optical scanning device, optical scanning method, and image forming apparatus
936567188Systems and methods for non-coplanar calibration of a scanning system
946554388Method for improving printer uniformity
956553151Image forming apparatus for half-tone recording and shading compensation and half-tone image forming method
966552332Image-sensing apparatus
976546197Method and apparatus of correcting image data picked up from photographic film
986545696Optical printing apparatus
996545692Digital color image forming apparatus having a recording element comprised of a light emitting array
1006518587Detection and correction of defects from scanner calibration references

2002

1016498831Panel detector pixel replacement method and apparatus
1026480625Methods for correcting density characteristic and color
1036480306Scanning apparatus and method for obtaining the gray level of a scanned object therein
1046473062Intelligent light source
1056466244Image forming apparatus
1066452696Method and apparatus for controlling multiple light sources in a digital printer
1076443550Image forming apparatus capable of performing density irregularity correction using density irregularity data suitable for various printing conditions
1086437825Image processing apparatus having plural image processors and apparatus which merges data to be input and output to the image processors
1096431679Calibration of print contrast using an optical-electronic sensor
1106428134Printer and method adapted to reduce variability in ejected ink droplet volume
1116424748Method for increasing bit number of digital image signals generated by a scanner
1126396529Optical printer head, light-amount correction method for optical printer head and optical printer
1136390583Information processing apparatus, printing apparatus, information processing method and printing method
1146388778Image scanner using one scanning pass to perform a preview scan and a formal scan
1156384895Image correction method
1166373983Method for detecting the occurrence of missing lines on images generated by an optical scanner
1176370175Laser beam luminous energy correction method, laser driving apparatus, laser beam scanner and image recording device
1186369936Pixel intensity control in electro-optic modulators
1196364446Printing method and printing apparatus
1206359706Image reading apparatus
1216354688Image processing method and apparatus and recording medium
1226352329Ink jet recording apparatus
1236339447Image sensing apparatus

2001

1246313902Image processing method and apparatus
1256304826Self-calibration method and circuit architecture of image sensor
1266304683Image scanning apparatus, method of scanning images, and recording medium for realizing the method
1276304278Achieving system stability in anamorphic printer defect pre-compensation
1286295140Document reading apparatus having a white platen roller
1296292206Image forming apparatus and method of producing light quantity correction data
1306289134Image read method and apparatus for optimizing shading conditions
1316288797Image density correction device and image density correction method, and image reading device and image forming apparatus
1326283570Printer with correction data for number of tones which is fewer than number of tones that image data have
1336278477Image forming apparatus
1346266077Method of compensating for output variations in a printing head
1356263117Automatic image calibration method for a contact type scanner
1366249615Scanner for reading color images from film
1376249358Method of scanning photographic film images using selectively determined system response gain calibration
1386247780Shading correction processing for an image forming apparatus
1396233011Apparatus and method for compensating image being sensed
1406229627Image forming apparatus
1416222666Electro-optic modulator and imaging device
1426222578Image recording apparatus for correcting nonuniformities in the exposure light amount
1436219446Image forming apparatus and manufacturing method of lens fitted film unit
1446195469Image processing apparatus for shading correction
1456195180Image forming apparatus
1466195179Image reading device
1476190308Endoscopic video system for correcting a video image of an object to be studied
1486188425Exposure device capable of reducing unevenness in quantity of light
1496179402Image recording apparatus having a variation correction function
1506175660Image reading apparatus
1516175649Image scanning apparatus, method of scanning images, and recording medium for realizing the method
1526172772Image scanner with compensation for magnification changes
1536172700Writing device for an image forming apparatus

2000

1546166781Non-linear characteristic correction apparatus and method therefor
1556166758Led uniformity correction with improved uniformity distribution in a desired range of grey levels
1566163331Method of correcting light quantity in an optical writing apparatus
1576154227Apparatus and method for printing compensation
1586151419Image reading method and image reading apparatus
1596137631Illumination system and method for spatial modulators
1606137518Image forming apparatus having an LED array head for forming image dots based on a pitch of the LEDs
1616134030Image reading apparatus and image reading unit and control apparatus
1626134026Data reading apparatus and method
1636134022Color image printing system capable of correcting density deviation on image and system for detecting color deviation on image
1646126264Apparatus and method for recording color images with increased image uniformity
1656121993Apparatus for forming an image by a plurality of light emitting elements
1666118470Optical scanning system
1676100907Multi-beam system with beam control using an electrostatic voltage sensor
1686091445Film image input device and method
1696088050Non-impact recording apparatus operable under variable recording conditions
1706084627Apparatus for and method of controlling an image recording device
1716078347Laser scan based recording apparatus
1726075621Image sensing apparatus and shading correction method
1736074790Black and white defect correction for a digital micromirror printer
1746072912Image reading-and-transferring system utilizing computer correction of tone data
1756072511Method and apparatus for diode-laser imaging with compensation for output variations
1766061526Image recording apparatus adjustment method
1776055066System for correcting image data in an image scanner
1786046822Ink jet printing apparatus and method for improved accuracy of ink droplet placement
1796045210Image recording apparatus having a variation correction fluid
1806041146Image reading apparatus for reading book-like documents
1816034794Method of correcting image signal outputted from linear image sensor
1826033137Ink jet printing apparatus performing printing with correction of image data at boundary portion of image
1836025929Apparatus and method for controlling image processing based on image quality and/or processing speed as control parameters
1846020949Device and automatic correction method for surface light source
1856014202Optical system for transmitting a graphical image

1999

1866000776Apparatus and method for regulating image density
1875999278Image scanning device having a linear image sensor and a scanning system
1885997123Image recording apparatus having density correction of plural recording elements
1895982948Image reader
1905973712Image recording apparatus
1915969652Image information read-out apparatus with circuit correcting for the influence of shading
1925946006Method for correcting density unevenness for a recording head and an image formation apparatus provided with such a method
1935940544Apparatus for correcting skew, distortion and luminance when imaging books and the like
1945933579Method and apparatus for simulating color print
1955920656Shading correction circuit and method in image processing apparatus
1965917620Image reading apparatus
1975917535Digital LED printer with improved data flow and control
1985914744Apparatus and method of printing with non-uniformity correction of exposure parameters to reduce low spatial frequency printed artifacts
1995902994Apparatus for calibrating a linear image sensor
2005892590Corrected data generator for image taking device
2015874909Analog to digital video converter
2025870205Method and apparatus for correcting light non-uniformity in an LCD photographic printer
2035868505Printer apparatus
2045864408Reading device having reference white selecting function for shading correction

1998

2055854688Image reading apparatus that corrects the output of light receiving element corresponding to a pixel based on output values of light receiving elements corresponding to surrounding pixels
2065847845Book document reading device
2075845054Method and apparatus for determining a correction pattern of periodical unevenness of an apparatus in which optical beams are reflected by a rotating polygonal mirror and scan a recording body
2085844695Image reading system
2095838813Dithered image reconstruction
2105838463Binary image processor
2115838342Image output appparatus and image formation system for correcting density unevenness
2125825399Data-dependent thermal compensation for an LED printhead
2135823690Printer apparatus
2145818973Apparatus for digital correction in an image system
2155818501Apparatus and method for grey level printing with improved correction of exposure parameters
2165815418Continuous self-calibrating data acquistion system
2175814802High speed imaging apparatus for CCD based scanners
2185812706Scanner of any type of document and implementatioin process for said scanner
2195812274Image signal processing apparatus
2205808756Image reading device and density correction method for read images
2215802217Image reading apparatus for obtaining a shading correction factor using two white reference members
2225798847Method of and apparatus for correcting the output signals of an array of photodetector elements
2235793403Thermal print head compensation
2245786902Photographic printer and method of digitally correcting for a photographic printer
2255778109Image processing apparatus
2265777641Recording apparatus and shading correction method
2275771106Shading correcting means for image forming apparatus
2285760416Radiographic image information reading apparatus
2295757515Image processing method and apparatus
2305754305Method and apparatus for correcting light non-uniformity in an LCD photographic printer
2315748335Image reading apparatus with A/D conversion and adjustment thereof
2325745155Scan uniformity correction
2335739841Apparatus and method for grey level printing with uniformity correction
2345734758Image processing apparatus
2355734479Method of calibrating an image for reducing shading
2365732165White level information correction apparatus for image reading apparatus and image reading apparatus with white level information correction apparatus
2375729361Color scanner using both variable led exposure time and photo detector output compensation
2385729277System and method for modifying an output image signal to compensate for drum velocity variations in a laser printer
2395724094Contact image sensor utilizing differential voltage pickoff
2405721622Grayscale printing with spatial light modulator and sliding window memory
2415719682Method of improved printing using a spatial light modulator
2425712666Recording apparatus

1997

2435699168Grayscale printing with sliding window memory
2445699102Non-impact copier/printer system communicating rosterized, printer independant data
2455689348Book document reading device
2465687002Image forming apparatus with a solid-state scanning optical print head
2475677527Compensation method and apparatus for image signals generated by CCD
2485671002Print head with multiplexed resistances controlling supply of current to image blocks
2495666150Non-uniformity correction for LED printhead in electrophotographic gray scale printing
2505661544Exposure correcting method for a photographic printer and photographic printing apparatus
2515659488Shading correcting circuit and method for correcting an image density signal on the basis of a reference signal
2525659404Image reading apparatus for reading book-like documents
2535647026Uniformity correction and threshold or halftoning conversion unit and method
2545610639Image forming apparatus with a correction recording condition feature and related method
2555596427Image reading apparatus with A/D conversion and adjustment thereof
2565592218Image reading apparatus having improved shading correction and quantity of light ratio measurement

1996

2575586055Non-uniformity correction of an LED printhead
2585585926Document reading apparatus capable of rectifying a picked up image data of documents
2595563723Method of calibration of image scanner signal processing circuits
2605555095Image signal processing apparatus
2615548413Image signal processing apparatus for image sensor
2625548321Optical scanning apparatus for scanning laser beam on imaging surface and recording image data on imaging surface in units of dots
2635546165Scanner as test print densitometer for compensating overall process drift and nonuniformity
2645539526Image recording apparatus which corrects an image signal according to characteristic data of a recording element
2655534916Digital electronic still camera operable in a text mode for photographing a bilevel image
2665528270Method for correcting density unevenness for a recording head and an image formation apparatus provided with such a method
2675519787Method of compressing image data having a uniform background tint
2685519441Apparatus and method for correcting offset and gain drift present during communication of data
2695517192High resolution gain response correction circuit
2705517151Intensity controlling circuit having fuses and EPROMs for LED-array head
2715514865Dither image scanner with compensation for individual detector response and gain correction
2725500745Image reading device capable of performing shading correction
2735493322Electrophotographic image forming apparatus with non-uniformity correction of recording elements
2745489993Original image reading device

1995

2755479207System and method for improving the signal to noise ratio of a CCD sensor in an optical scanner
2765461440Photographing image correction system
2775457547Original image reading apparatus
2785455690Image reading apparatus
2795453851Error reduction methods in scanning systems
2805453850Image reading apparatus and method using light shutter for blocking light from a light source
2815448277Virtual process controls test pattern for electronic printers
2825442465Apparatus and method for controlling a linear imaging device
2835430559Image reading apparatus with improved output correction of image signal
2845430550Image reading apparatus which corrects for positional and angular deviation between the image sensor and the document
2855416596An apparatus for transmitting, receiving and recording an image
2865414536Image reader having the ability to correct imaging performance to due field angle focus variations
2875412501System for controlling spot power in a raster output scanner
2885412489Shading correction having a line memory read which generates an average reference level from a plurality of lines of a reference plate
2895404232Calibration system for a raster input scanner
2905398119Photoelectric conversion device's shading correction circuit
2915389953Non-impact printer module with improved burn-in testing capability and method using same

1994

2925371613Image reading apparatus
2935369423Method and apparatus for the automatic calibration of an analog raster output scanner
2945362958Reading apparatus with position calculation and focus adjustment and curved surface adjustment
2955361140Method and apparatus for dynamic correction of microscopic image signals
2965353052Apparatus for producing unevenness correction data
2975347370Shading correction method and apparatus
2985337164Negative film image reading device
2995325210Shading data accepting system in image readers
3005324121Recording density correcting device based on glaze layer thickness of thermal head
3015319472Multispectral color image pickup system
3025303064Image scanner with calibration mechanism to obtain full dynamic range and compensated linear output
3035303056Dynamic gain correction for CRT printing
3045291307Control circuit for an image used in a document processing machine
3055291293Electronic imaging device with defect correction
3065285293Method and apparatus for providing sensor compensation
3075283657Recording device for recording a half-tone image using a plurality of recording elements for the same color
3085282053Scan image processing
3095278674Method and apparatus for providing illumination compensation in a document scanner
3105278667Multiple valve image input device
3115276530Document reproduction machine with electronically enhanced book copying capability
3125276459Recording apparatus for performing uniform density image recording utilizing plural types of recording heads

1993

3135272548Photosensor and image reading device with improved correction means for signal correction and image reading method
3145267055Image signal processing apparatus
3155267053Automatic reference control for image scanners
3165266973Methods for measuring laser performance in laser printers
3175266804Shading elimination method for image read-out apparatuses
3185262873Image signal correcting in image data processing requiring only small memory capacity
3195260809Shading-compensation method and device in image processing
3205255013Multiple address grey level LED printing with binary architectured printhead
3215253083Image reading apparatus having improved shading correction
3225252818Method and apparatus for improved scanner accuracy using a linear sensor array
3235251272Image signal processing method and apparatus with correction for a secondary light source effect
3245249068Image reading apparatus
3255248997Facet reflectance correction in a polygon scanner
3265241330Beam recording with scanning speed change due to F..theta. lens characteristics
3275233442Photosensor and image reading device with improved correction means for signal correction and image reading method
3285223922Color picture image reading device with color correction function
3295218457High speed, high resolution image processing system
3305216440Gradation control circuit of line thermal printer
3315204761Pixel by pixel offset and gain correction in analog data from scanning arrays
3325191445Image reader
3335191439Image signal processing apparatus
3345189521Image forming apparatus and method for correction image density non-uniformity by reading a test pattern recorded by the apparatus
3355181118Method of correcting image signal
3365179454Image reading apparatus
3375177621Self-diagnostic system for image reading equipment

1992

3385157518Image data control system for image reading equipment
3395153929Image reading apparatus outputting corrected image signals
3405151796Image reading apparatus having a D/A converter with a controllable output
3415146351Image reader
3425140413Image processing apparatus including processing means for moving image and performing conversion
3435138337Apparatus for grey level printing using a binary architectured printhead
3445138310Light-emitting element array driver circuit
3455132788Image processing apparatus for processing respective image data obtained by reading an outputting image signal corresponding to pixels forming the original image
3465130788Shading correction using FIFO memory for correction data
3475128778Fast scan imaging area optimization system
3485126757Multi-gradation image recording apparatus
3495124810Image reading apparatus
3505121230Image reading apparatus having adjusting circuits for matching the level of and compensating for fluctuation among a plurality of sensing elements
3515117243Scanner with electronic non-linearity compensation and method of processing image data
3525115327Gain control circuit for use in shading compensation circuit
3535115325Optical reader head with video compensation method and circuit which integrates four adjacent pixels into a composite pixel
3545111332Method of and apparatus for controlling deflection of optical beams
3555111311Image reading apparatus with black level correction
3565103320Image reading apparatus with correction of two-dimensional shading
3575099341Image reading apparatus with improved shading correction
3585087933In situ inonographic uniformity correction
3595086343Method and apparatus for compensating for sensitivity variations in the output of a solid state image sensor
3605086228Method for eliminating nonuniformity in sensitivity in image read-out apparatuses
3615084772Shading correcting method in image reading device
3625081597Process for dynamically equalizing multichannel optical imaging systems

1991

3635062144Method of obtaining white reference data used for correcting non-uniformity in photoelectric cell array
3645053879Method and device for determining shading correction data, and for effecting shading correction in video printer
3655051762Production of images using an array of light emitting diodes
3665051588Radiation image read-out apparatus
3675038225Image reading apparatus with black-level and/or white level correction
3685038208Image forming apparatus with a function for correcting recording density uneveness
3695036186Shading correction system for use with an optical scanner
3705028783Shading elimination method for an image read-out apparatus
3715027117Conversion using a variable reference based on image density
3725014123Film image reading system
3735001768Image reading apparatus
3744990763Light beam recorder having beam duration and intensity controlled in accordance with scanning speed
3754987485Image reading apparatus with improved output correction of image signal
3764985629Shading elmination method for an image read-out apparatus
3774985620Image reading apparatus

1990

3784980778Method for correcting nonuniformities in pixel output level for a line scanner
3794979042Apparatus for correcting shading effects in video images
3804977096Method of making a photosensor using selective epitaxial growth
3814972273High speed, high resolution image processing system
3824970598Method for correcting shading effects in video images
3834969053A color film reading apparatus providing high-gradation color signals
3844967192Light-emitting element array driver circuit
3854962375Driving circuit for a light emitting diode array
3864961117Document scanner
3874954914Apparatus for reading an image
3884954913Image reading apparatus
3894945405Color image read apparatus with shading and color balance correction
3904933983Image data reading apparatus
3914928110Thermal recording control method and system
3924926251Color image processing apparatus with image corrector
3934922335Color film reading apparatus providing high-gradation color signals
3944922266Method for placing information on a medium while compensating for deviations from a characteristic time period
3954920428Offset, gain and bad pixel correction in electronic scanning arrays
3964916552Optical reader head with video compensation method and circuit which integrates four adjacent pixels into a composite pixel
3974916549Image sensing apparatus with shading compensation
3984914294Method of and apparatus for correcting image signal
3994907236Method of controlling the quantity of light in a selected range
4004907097Original reading apparatus
4014907077Method and apparatus for white balancing
4024903144Automatic D.C. offset control for image scanners
4034897639Image forming method and apparatus
4044891711Document reader for a digital copier

1989

4054888492Image reading apparatus
4064885467Shading elimination method
4074879459Automatic power controller for semiconductor laser
4084875071Shading correcting apparatus for photographic printer
4094873570Color image processing apparatus for selectively altering image colors
4104870501Image readout apparatus
4114868685Signal preprocessing circuit of a line sensor
4124866291Photosensor with charge storage unit and switch unit formed on a single-crystal semiconductor film
4134860116Method of measuring shading characteristics in image information reading apparatus with a test recording medium
4144858023Image read apparatus
4154855841Recording signal generating circuit for printing
4164853795Forward look ahead techniques for tracking background and noise levels in scanned video images
4174853710Imaging by laser beam scanning
4184835551Optical recorder with plural resolution recording
4194833533Color image reacting apparatus having a non-uniformity correction ROM with sections corresponding to red, green, and blue color separation filters
4204831247Light beam scanning apparatus employing rotating polygon mirror
4214829379Picture image signal compensation device
4224827351Image reading apparatus with controlled correction for unevenness in illumination
4234821108Flexible image acquisition and processing system
4244821099Image reading means with controllable shading correction
4254814877Image reading apparatus provided with correction for shadings in image data
4264813046Optical scanning method
4274807045Image data processing method and apparatus therefor
4284806780Image correction method and apparatus with partial detector array sampling
4294803556Scan lamp intensity control for raster input scanners
4304801978Image bar printer compensated for vibration-generated scan line errors
4314796265Imaging using collectively controlled multiple beams

1988

4324794413Image recording apparatus
4334786919Method and apparatus for placing information on a medium while compensating for deviations from a characteristic time period
4344783836Information reading apparatus
4354766500Method of replicating images on a contoured image-bearing surface
4364760464Shading correction system for image scanning apparatus
4374758966Thermal printing apparatus and method
4384757389Calibration improvement with dither for a raster input scanner
4394757191Uniform intensity per pixel when the linear speed of a laser beam varies along a scanline
4404754143Scanning read-out apparatus with scanning speed fluctuation compensating means and correction coefficient adjusting method
4414751523Laser scanner power compensation circuit
4424751377Light beam scanning recording apparatus and method of correcting intensity of image to be recorded thereby
4434748677Image processing apparatus
4444748515Video output signal correcting method and apparatus
4454745488Image reader
4464745467Color image-processing apparatus
4474739414Large area array of thin film photosensitive elements for image detection
4484736251Color image pickup apparatus having one or more line sensors and a mechanical sub-scanning device
4494734783Shading elimination device for image read-out apparatus
4504734762Color image reading apparatus with a plurality of line sensors in which a white balance operation is performed by determining amplifier gains while reading a white reference plate
4514729015Method and apparatus for making positive copies from diapositives
4524728803Signal processing apparatus and method for photosensitive imaging system
4534725890Flexible array of photosensitive elements
4544725889Photosensitive line imager utilizing a movable scanning arm
4554724481Flaw detector for detecting flaws in a sheet
4564723174Picture image processor
4574717963Image information read apparatus

1987

4584714325Magneto-optical printing head and method of grey-scale image generation using such a printing head
4594712116Means and method of symmetrical energization of individual array LED's for image exposure
4604691365Image reading apparatus
4614691241Method and system for compensating for a shading phenomenon
4624691240Image input device and a method of correcting input signals of the same
4634680644Method and apparatus for reading an image
4644675744Scanning system
4654675533Image reading apparatus with image data overlap removal
4664670778Method of correcting phosphor luminance unevenness in a color fiber optic cathode-ray tube
4674660082Output correction in image reproduction
4684647981Automatic white level control for a RIS
4694644411Image sensor
4704642462Method of correcting radiation image read-out error
4714639781Dynamic gain adjuster for an image scanner

1986

4724633314Shading correction device
4734631598High speed, high resolution image processing system
4744616129Light detecting apparatus
4754614976Document reader
4764612555Laser beam scanner apparatus
4774602293Manuscript reading apparatus
4784602291Pixel non-uniformity correction system
4794601058Image reader for facsimile apparatus or the like
4804594733Signal processing system and the method
4814589034Image processing apparatus
4824581617Method for correcting beam intensity upon scanning and recording a picture
4834578711Video data signal digitization and correction system

1985

4844555732Image sensor correction system
4854554583Shading correction device
4864551626Method of correcting radiation image read-out error
4874540991Thermal printing system
4884535342Method of and system for laser beam recording
4894524395Multi-mode reproduction apparatus
4904524388Shading correction device
4914523229Shading correction device
4924520395System for correcting shading or non-uniformity in a photosensitive element array
4934499547Output compensating system
4944491963Correction of imaging imperfections
4954491961Pixel correction logic circuit

1984

4964459488Photoelectric converting apparatus for delivering a compensated signal
4974455562Control of a light emitting diode array
4984437116Method and apparatus for comparing data signals in a container inspection device
4994424589Flat bed scanner system and method

1983

5004420742Scan signal processing system
5014419675Imaging system and method for printed circuit artwork and the like
5024404597Two dimensional radiometric compensation for scanning apparatus
5034383275Read-out level compensation in an optical reader system
5044378571Serial analog video processor for charge coupled device imagers
5054371892Light valve imaging with optimized addressing potential(s) to reduce inter-pixel nonuniformity

1982

5064342050Beam intensity measurement system for raster scanners
5074321630Linear integrating cavity light collector
5084314281Shading compensation for scanning apparatus

1981

5094295167Carriage speed control for a raster scanner
5104287536Gain control for scanning arrays

1980

5114228468Output correcting system for facsimile

1979

5124145721Photosensitive self scan array with noise reduction
5134133008Automatic illumination compensation circuit

1978

5144074320High quality light emitting diode array imaging system
5154070696Method and apparatus for cancelling nontonal variations in a facsimile scanner output signal

1977

5164030106Method and arrangement for eliminating undesired density variations in electrostatically created copies of an original

1976

5173980405Cathode-ray tube picture projection apparatus
5183962681Page width optical character processing method and system
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017