СПИСОК патентов США - подгруппа МПК16 H04N1/29


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№ п/п Номер патента Название патента

2017

19565337Computing array of high-resolution halftone pixel values by addressing halftone dot function and averaging values to determine value at printer resolution
29558434Remote operation system, image forming apparatus, remote operation apparatus, and recording medium
39558430Image forming apparatus using filters to correct potential distribution on photoreceptor due to spot shape of emitted light
49542629Image processing apparatus, image processing method, and program

2016

59467578Correcting gradation value to appoximate an output characteristic to target characteristic updated based on corrected high density region target density
69462155Method, device, and program product for dot area extraction based on periodicity of different numbers on pixels in crossing directions
79444972Image forming and processing apparatus, and method for correcting image data based on an estimated intensity of ghost light
89426334Device and method for determining appropriate color patch measurement operation by user based on acquired and predicted measurement values
99424496Image forming apparatus with image deformation correction using user input length information of test image line drawing
109351106System for providing information and associated devices
119300836Image forming apparatus enabling circuit-cycling time of image carrier included in transfer unit to be found accurately
129268252Image forming apparatus and method with additional exposure of photoreceptor drum based on cycle of screen

2015

139147232Reducing halo artifacts in electrophotographic printing systems
149104132Apparatus to form latent image using dither matrices having minute and normal exposure areas controlling toner adhesion
159069303Image processing apparatus, computer readable medium, and image processing method with dual heating modes
169036207Image-forming apparatus adjusting image-forming operation using values acquired from different measurement environments
178947740Method and apparatus for adjusting light intensity based on content to achieve a uniform exposure

2014

188717640Optical scanner and image forming apparatus including same
198693048Sub-pixel generation for high speed color laser printers using a clamping technique for PLL (phase locked loop) circuitry

2013

208619334Determining capability and affect of upstream and downstream image forming devices and restricting operation accordingly
218564839Electrophotographic image forming apparatus that selects a screen from a plurality of screens based on distance between toner adhesion or non-adhesion regions
228488186Gradual charge pump technique for optimizing phase locked loop (PLL) function in sub-pixel generation for high speed laser printers switching between different speeds

2012

238277041Ink-jet recording apparatus
248130414Image forming apparatus using a density pattern
258125665Image-processing system, control method, program, and storage medium

2011

268077351Image forming apparatus and method using density test patterns to adjust process parameters and subsequently update gradation correction data
278077347Image forming apparatus and method mitigating effects of pixel correction while compensating for shift in scanning position
288059307Image processing apparatus and method dividing image data for multi-pass scans using mask based on beam deviations
298004715Image forming apparatus and method mitigating effects of pixel correction while compensation for shift in scanning position
307969614Image forming apparatus capable of outputting color and monochrome images, control method thereof and computer readable recording medium
317924450Reprint card on a mobile device

2010

327773253Gloss difference control in a plurality of networked image forming apparatus
337755802Toner-based noise reduction in electrostatography
347755799Method and system to compensate for banding defects
357675649Image forming electrophotography apparatus setting conditions for process control based on a total toner quantity equivalent value

2008

367436416Color printer and control method thereof with pulse width modulation for tone control based on type of document and number of colors printed
377430053Tracking component usage in a printing device
387423783Color image scanning and printing device with efficient conversion of scanned image data into print image data
397324242Photographic processing system

2006

407130084Electrophotographic apparatus and image processing program
417038816Macro uniformity correction for x-y separable non-uniform
427016073Digital halftone with auxiliary pixels

2005

436912057Image forming apparatus and image forming method
446903758Method for maintaining image squareness and image on image registration
456847791Image formation controlling method and image forming apparatus

2004

466830857Image forming method, image forming apparatus, process cartridge and photoconductor
476821694Image forming method, image forming apparatus, process cartridge and photoconductor
486798540Method and apparatus for underprinting pixels
496762779Image forming apparatus, method of manufacturing substrate for photoreceptor, substrate for photoreceptor, and photoreceptor
506714748Image forming apparatus, recording medium in which test-pattern image forming program is recorded, test-pattern image forming method, and skew angle calculation method
516678482Image forming apparatus and method for determining suitability of replaceable component

2003

526668144Image forming apparatus and detecting device for detecting a type of recording sheet
536661536Apparatus and method for stopping print operation upon reception and copy of sequential black data in facsimile system
546657434Surface potential detection apparatus
556646668Image forming apparatus for maintaining a constant beam scanning state
566606165Method and apparatus for routing pages to printers in a multi-print engine as a function of print job parameters
576587655Image forming apparatus and image forming method having band development scheduler for a plurality of pages
586559875Image forming apparatus with pixel density based light beam control
596553190Correction of pulse width accumulator based on the temperature and relative humidity
606538678Image forming apparatus with development controller
616538677Apparatus and method for gray level printing
626529223Image forming apparatus with light beam control
636529221Electrophotographic apparatus
646504558Image forming apparatus with laser emission control

2002

656496210Electrophotographic imaging apparatus
666466244Image forming apparatus
676433811Method for adjusting print density in a printer
686426767Image forming apparatus for maintaining a constant beam scanning state
696389240Image forming apparatus having plural image processing speeds and plural image correction characteristics
706360063Image forming apparatus wherein writing of an image is conducted before feeding of a transfer material is started
716356721Image forming apparatus having controller which controls jobs including image forming processing and which executes jobs in succession
726342910Image forming apparatus to form smooth image with inconspicuous granularity
736339441Electrophotographic apparatus with plural beam exposure controlled according to detected potential

2001

746333755Electrophotographic apparatus
756323888Image forming apparatus
766321046Induction heating fixing device having a central processing unit, and image forming apparatus using the fixing device
776285385Electrophotographic method and apparatus which employs light beam irradiation to form an electrostatic image on a surface of a photosensitive member
786266497Image forming apparatus having prediction of development time and mode change
796256051Electrophotographic device, electrophotography, and process for preparing sheet bearing toner images
806249304Image forming apparatus and image forming method for forming color images by gray-level image forming technique
816236419Liquid electrophotographic imaging system
826226470Method and apparatus for image formation using switchable image generators and density control
836219076Image forming apparatus having a photosensitive member bearing an electrostatic latent image whose pixel density can be changed
846184914Electrophotographic printing system and method, using toners that exhibit different charge states
856168320Printing apparatus and method, and facsimile apparatus comprising the apparatus

2000

866160569Image forming apparatus capable of changing process line speed
876146799Method for printing continuous tone images with high density resolution
886122468Method and apparatus for forming toner images
896108512Copy prevention method
906104893Image forming device and method having optimum print quality by control of fixture temperature and/or transfer voltage
916088546Image forming apparatus with glossiness detection
926084613Apparatus for electrostatically forming a developer image on a conveyed recording medium including an array of control electrodes each having an optimized pitch
936067102Electrophotographic recording device and exposure controlling device therefor
946035103Color correction for multiple print engine system with half tone and bi-level printing
956013403Digital image forming method and apparatus

1999

965999273Solid area toner reduction to maximize process latitude
975969746Image forming apparatus for reproducing halftone images
985966561Color-image forming apparatus having intermediate transfer member and controller for controlling the transfer bias
995959650Apparatus for forming an image with use of electrophotographic process
1005952649Optical write apparatus with an operation for even charging of photosensitive element
1015946018Image formation apparatus and method for clear character and smooth image reproduction
1025903804Printer and/or scanner and/or copier using a field emission array
1035897242Method of controlling heater for use in a facsimile machine
1045889595Method of stopping a printing operation upon reception of abnormal image data in a facsimile
1055887222Image forming apparatus and method for controlling exposure conditions
1065867198Method for estimation of toner usage in digital xerographic copiers and printers

1998

1075854957Image formation apparatus that can have waiting time before image formation reduced
1085845110Facsimile transmission apparatus using plain paper sheets and method for assembling the facsimile transmission apparatus
1095838358Image forming apparatus for optimizing smoothing processing based on development used characteristic of image cartridge and cartridge thereof
1105835830Image forming apparatus
1115835819Image forming method for providing non-exposure area between adjacent different contrast images
1125826143Image forming apparatus with two transfer means
1135818489Image forming apparatus and process cartridge having exposure device using light beam having specific spot area
1145809369Image formation system
1155771314Image processing apparatus for inputting and processing plural types of image signals
1165751432Highlight gloss for xerographic engine
1175745247Image forming apparatus having a controlled fixing unit
1185737008Electrophotographic image recording apparatus with photoreceptor exposure control
1195724627Image forming apparatus which calculates toner consumption in accordance with tone correction
1205719684Image forming apparatus having an endless conveying and transferring belt with an interrupt control
1215719613Apparatus for forming an image with use of electrophotographic process
1225708919Imaging forming apparatus for forming images on both surfaces of recording medium

1997

1235694226Facsimile apparatus
1245677774Image processing apparatus for inputting and processing plural types of image signals
1255673115Image recording method and device with memory printing of plural recording media on a recording drum
1265673106Printing system with self-monitoring and adjustment
1275668635Facsimile system operable in toner save mode, depending upon type of original image data
1285661564Facsimile system operable in toner save mode, depending upon importance of original image
1295657133Method and device for saving toner and preventing contamination in an image forming apparatus
1305655177Image former apparatus having a fixing temperature in a printer mode lower than in a copy mode
1315610698Image forming apparatus for inverting an original to record both surfaces on separate recording materials
1325604578Color image forming apparatus having a function of determining a charge value charged on a customer according to an amount of recording material
1335604569Image forming method exerting joule heat on an irradiated portion of a photoconductive layer, and an apparatus used for such a method

1996

1345587778Overlaid image forming apparatus
1355585927Digital image forming apparatus having gradation characteristic setting means
1365583629Color electrophotographic printing machine
1375572292Cartridge life detecting system
1385570161Low surface energy coating to maintain clean surfaces of optical components in a document reproduction machine
1395568227Method and apparatus for transport speed optimization to minimize image smear
1405557303Thermal recording apparatus which can draw black borders
1415522657Optimization of electronic color printing process functions based on prescan information data
1425517227Image forming apparatus for automatically setting image formation conditions
1435508786Image forming apparatus
1445508727Apparatus and method for pattern generation on a dielectric substrate
1455502550Image forming apparatus and method
1465495316Electrophotographic apparatus and method
1475495278Image forming apparatus including a pulse width modulator
1485493324Image forming apparatus
1495485257Image forming apparatus with endless transfer member

1995

1505477179Apparatus for generating a modulated pulse signal
1515473415Image forming apparatus having a converter for image data characteristics
1525471313Method and control system architecture for controlling tone reproduction in a printing device
1535471282Deposited toner quantity measuring method and image forming apparatus using the same
1545467195Density adjustment in an image processing apparatus
1555457545Facsimile apparatus and image signal display method and image signal recording method
1565453824Electro-photographic method and device with thermal fixing with reduced noise
1575453822Optional side multi-toner image forming apparatus using intermediate transfer member
1585450165System for identifying areas in pre-existing image data as test patches for print quality measurement
1595432536Process for printing on a surface of an object utilizing a specific toner particle size and minimum print element dimension
1605424822Three-dimensional color image printer
1615420614Digital image forming apparatus
1625410339Image forming apparatus
1635404203Image forming apparatus including image forming condition correction arrangement and method for correcting image forming condition in image forming apparatus
1645400120Electrophotographic apparatus
1655398101Image forming apparatus capable of copying images on various copy items
1665396315Electrophotographic printing machine
1675389955Image forming apparatus directly correcting an image data in response to changes in image potential data
1685380610Image forming apparatus

1994

1695376956Image forming apparatus
1705367361System and method for controlling voltages of elements in an electrostatic printing apparatus
1715333039Image forming apparatus with control for variably setting the amount of blank space on a recording medium
1725327339Image forming method
1735313308Image forming apparatus which changes its tone reproducing property in accordance with ambient conditions
1745307118Electrophotographic process control device using fuzzy logic
1755305057Image forming apparatus having correction means for modifying image density signals according to a gradation correction table
1765287127Electrostatic printing apparatus and method
1775276486Image forming device

1993

1785268709Image forming apparatus
1795261326Method to modify a printer cartridge to function in a fax machine
1805257075Image forming apparatus
1815252996Electrophotographic recording apparatus and method capable of recording both characters and solid black picture images
1825250960System and method employing multiple pulses per pixel to reproduce an image
1835250959Electrophotographic image forming apparatus and method
1845231450Three-dimensional color image printer
1855229790Laser printer with parameter switching in accordance with scanning density
1865220357Image forming method and apparatus
1875216463Electrophotographic process control device using a neural network to control an amount of exposure
1885212560Electrophotographic image forming apparatus comprising means for automatically adjusting image reproduction density
1895210548Method and system for reducing surface reflections from a photosensitive imaging member
1905206686Apparatus for forming an image with use of electrophotographic process including gradation correction
1915206683Compact optical printer with planar photoreceptor
1925204718Electrophotographic process control device which uses fuzzy logic to control the image density
1935202769Digital electrostatic printing apparatus using a counted number of pixels of various densities to determine and control an amount of toner used during image development
1945200837Digital copier including means for erasing digital image data over a given area, especially suitable for preventing jamming of paper
1955185619Electrostatic printing method and apparatus employing a pyroelectric imaging member
1965181124Optical intermediate produced by a calibrated printer for use in an electrophotographic copier to compensate for determinable copier reproduction characteristics

1992

1975157422Solid 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
1985153609Image forming apparatus
1995128893Electrostatic latent image recording/reproducing device
2005124802Electrostatic lasar printer with a short side length of a modulation area formed by pulse width modulation set relative to a detected toner particle size
2015120624Output device for proof and planograph using electrophotographic recording medium and printing medium thereby
2025115259Electrophotographic image forming apparatus
2035089908Plywood suppression in ROS systems
2045081528Image forming apparatus

1991

2055072305Picture producing apparatus using picture information values correlated to light intensities in tonal conversion formula
2065068675Facsimile apparatus having heat fixation device
2075063459Facsimile apparatus
2085059991Dustproof transparent member
2095055862Film ghost removal in electrographic plotters by voltage bias of the plotter fountain or film edge-strip
2105051757Optical scanning with cylindrical lens and beam slit
2115046166Digital electrophotographic copying apparatus
2124989039Image forming apparatus responsive to environmental conditions

1990

2134972209Image recording forming blanks in peripheral edges
2144951160Image reproducing apparatus
2154949184Color image recorder with correction of gradation errors in light shielding mask images and visibly developed images
2164931876Electrophotographic recording apparatus for a facsimile device
2174914459Image forming apparatus
2184914457Electrostatic latent image forming apparatus
2194908711Electronic writing board

1989

2204888618Image forming apparatus having ambient condition detecting means
2214851926Electrophotographic recording apparatus for a facsimile device
2224814798Combined electrographic printer, copier, and telefax machine with duplex capability

1988

2234791494Multiple variable light source printer
2244785316Image recording device
2254777102Method and apparatus for electronic development of color photographic film
2264771183Photo-electric imaging device having overlaying row and column electrodes forming discrete, independently addressable areas
2274751583Off line photocopying system using portable electronic camera, visual previewing and image processing
2284745040Method for destructive electronic development of photo film

1987

2294641200Image reproducing apparatus with variable AC bias

1986

2304626096Image forming apparatus for forming a visual image in accordance with image signals
2314567530Read-out devices of electric charge distributions on dielectric surfaces

1985

2324554563Drive system in a multi-pin-electrode electrostatic recording apparatus
2334495508Electrostatic reproducing apparatus

1984

2344488160Electrostatic apparatus
2354476473Electrostatic record image forming method
2364468707High speed imaging of electrophotographic film by fine beam scanning
2374468681Electrostatic record image forming method
2384467335System for forming an image on the surface of a plastic card
2394467333Copying apparatus
2404467331Recording apparatus
2414448867Image forming method and device for same
2424446472Electrophotographically information recording method
2434438459Multiplex photocopier system with portable scanner
2444435723Recording apparatus with editing capability
2454435066Ion modulating electrode with improved transmission factor
2464433041Recording method
2474430661Method and apparatus for image reproduction
2484428000High speed imaging of electrophotographic film by fine beam scanning
2494427999High speed imaging of electrophotographic film by fine beam scanning
2504424522Capacitive electrostatic stylus writing with counter electrodes

1983

2514415981Multi-purpose terminal device having an input and control keyboard for connection to a data processing system and/or to an automatic text processing unit

1982

2524365894Method for controlling toner concentration
2534355882Multiple function reproduction apparatus
2544351602Electrostatic printer
2554348100Control for xerographic system
2564322734Variable speed electrostatographic apparatus

1981

2574290076Compensatory means improving the operation of electrostatic printers
2584264912Image formation and development apparatus
2594251153Multiplexed photocopier system with detachable portable optical reader and memory

1980

2604227801Document receiver in a document processing machine
2614224641Abnormality indication system of facsimile apparatus
2624183032Electrostatic recording medium with elongated conductive segments

1979

2634177487Facsimile scanner
2644163980Recording electrode assembly for use in electrostatic reproduction
2654156165Device for the electronic generation of an electrostatic charge pattern
2664144539Feedback control for laser discharge system

1978

2674130841Variable frequency half-tone imaging apparatus
2684115817Device including a unit for feeding a recording medium at a predetermined speed to a unit for processing that provisional record into a final one which is formed on the medium fed at another speed
2694096489Electrostatic-recording gas discharge device with improved scanning stability
2704093955Well-logging camera using modulated laser light path for exposing in camera processable electrographic film
2714080058Apparatus for automatic control of an intermediate image storage device in an electrostatographic processing machine

1977

2724016813Electrostatic line printer
2734003651System for recording images received by facsimile

1976

2743990694Facsimile transceiving apparatus
2753979758Electrostatic head with toner attracting plates
2763979757Electrostatic display system with toner applied to head
2773966198Sheet conveying device
2783953681Combined recording and scanning device for facsimile transmission
2793946403Electrostatic recorder with three state switching
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017