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8167413 |
Inkjet printing apparatus and method for agitating ink
In order to recover unevenness in concentration of ink ejected from a print head, an agitation operation of agitating ink by causing the print head to reciprocate is carried out. This agitation...
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8141972 |
Printing apparatus and printing control method
This invention is directed to provide a printing apparatus and a printing control method capable of more accurately obtaining a carriage position and executing more precise printing. The printing...
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8100492 |
Liquid ejecting apparatus
A liquid ejecting apparatus includes a liquid ejecting head disposed on a transport path of a target to eject liquid from nozzles at a nozzle forming surface, a target transport unit transporting...
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8085647 |
Optical recording/reproducing apparatus having label printer and method for printing labels on optical disk
An optical recording/reproducing apparatus having a label printer for printing labels on an optical disk and a method for printing labels on an optical disk. The optical recording/reproducing...
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8007073 |
Liquid ejecting apparatus and method of wiping liquid discharge head in liquid ejecting apparatus
A liquid ejecting apparatus includes two liquid discharge heads, a wiper unit, and an actuating mechanism. Each of the two liquid discharge heads has a nozzle face on which at least one nozzle...
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7931348 |
Inkjet printing apparatus
In an inkjet printing apparatus, uneven density is reduced while suppressing a landing position deviation caused by a difference of head-to-medium distances in a printing medium conveying...
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7931414 |
Printing apparatus and printing method
A printing apparatus and method can control vibration generated resulting from the movement of a carriage to be small even when a desired printing pattern, etc., may change. The carriage is moved...
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7914112 |
Printing apparatus with switchover section that switches over patterns of velocity data
The invention relates to a printing apparatus that performs printing by scanning a carriage that has a print head in a main scan direction. The printing apparatus according to an aspect of the...
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7779711 |
Drive force transmission device, mechanical device, and liquid ejection apparatus
A drive force transmission device that causes a plurality of driven members to operate in different operational areas for different operational purposes includes a lead screw and at least one...
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7695100 |
Image device
An image device includes a movable member, a guide shaft, and a shaft bearing. The movable member moves back and forth inside the device along a guide shaft when reading or recording image...
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7654629 |
Carriage positioning
Systems and methods are disclosed for carriage positioning.
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7604848 |
Method for forming a mark with pivoting of a nozzle about its target
A method for forming a mark includes ejecting a droplet of a liquid from a nozzle onto an ejection target position on a surface of an object along an ejecting direction; radiating a laser beam from...
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7381444 |
Color filter manufacturing method and apparatus, ink-jet device, color filter, display device, and apparatus having display device
A color filter manufacturing apparatus of this invention includes a plurality of ink-jet heads (120a, 120b, 120c) each having a first ink discharging nozzle group (108) in which the pitch of a...
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7270393 |
Inkjet printer incorporating a spool-fed flexible capping member
A printer is disclosed which has (a) a pagewidth printhead assembly having a pagewidth printhead and a plurality of nozzles located along the printhead for delivering ink onto print media as it is...
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7086716 |
Fluid-ejection assembly
A fluid-ejection assembly of one embodiment is disclosed comprising first and second arrays of fluid-ejection mechanisms, first and second service stations, and first and second drive mechanisms....
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6819448 |
Printer with print mode masking periodic carriage vibration
A shuttle-type printer has a movable carriage to carry and position at least one pen over a printing surface. The printer also has a carriage positioning system coupled to move the carriage at a...
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6290319 |
Controlling residual fine errors of dot placement in an incremental printer
A memory holds calibration data that are applied to compensate imperfections in a printhead-carriage guide rod, improving alignment between marks printed with different heads. Commonly heads and a...
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6264304 |
Ink jet recording apparatus and method
The invention features a method and apparatus for an ink jet recording apparatus in which a carriage lock is provided. When a return of the carriage to the home position HP is detected, the waiting...
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6012798 |
Recording method and apparatus in which complementary images are recorded with non-parallel drive sets
A recording method and apparatus in which a recording head is driven, moved or scanned a plurality of sets of times in corresponding sets of drive directions relative to a recording medium. At...
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5864349 |
Recording apparatus with plural heads
A shuttle type recording apparatus having a plural recording heads spaced apart on a common carriage that is mounted to scan over an entire recording area for recording, respectively, in each of...
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5825378 |
Calibration of media advancement to avoid banding in a swath printer
A calibration technique for determining media advance calibration in a swath printer includes drawing a series of lines on media which correspond to an angle of rotation of the platen, and then...
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5402161 |
Serial recording apparatus
In a serial recording apparatus wherein a recording head is carried on a carriage movable in the direction of a print column and the recording head is driven on the basis of printing data while...
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4922271 |
Matrix printer means
Matrix printer means having plurality of write heads. In order to be able to achieve a print width in matrix printer means that is greater than that of an individual write head and in order to...
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4890122 |
Method and apparatus for increasing inking resolution in an ink mosaic recording device
A method and apparatus for increasing inking resolution in an ink-mosaic recording device. In order to increase the inking resolution in a simple manner, a recording head is periodically deflected...
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4686540 |
Compact plotter for generation of accurate plotted images of long length
A compact plotter is disclosed, having a small area in which a plurality of print heads (10) are laterally scanned to print impressions on the paper (14), and the paper (14) is incrementally...
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4622560 |
Line-wise interference/band suppression printing system
The line-wise printing of an image composed of an assembly of image elements (pixels) by means of a printing head which includes a row of N (N≥2) printing elements which are arranged along an i...
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4553147 |
Method and a liquid jet printer for generating at least two separately disposed points on a recording medium
In an exemplary embodiment writing fluid is continuously supplied from a nozzle toward a recording medium. The nozzle is subjected to excursion by a corresponding angle in order to change between...
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4524364 |
Circuitry for correcting dot placement for oscillating carriage ink jet printer
A circuit for use in an ink jet printer in which the carriage motion either approximates a sinusoidal vibratory pattern, or which has any variable velocity pattern that reliably repeats from cycle...
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4520368 |
Ink jet printing method and apparatus
An ink jet printing method and apparatus having an oscillating printing bar with multiple nozzles. The nozzles emit continuous streams of ink droplets which are charged and deflected to the...
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4509058 |
Ink jet printing using horizontal interlacing
Horizontal interlacing is used in an oscillating bar drop-on-demand ink jet printer to improve image quality, particularly in solid black areas. The disclosed system provides a method for printing...
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4439779 |
Serial dot printer for office machines
The printer comprises a solid or liquid ink jet head 100 arranged to print one dot at a time on paper running over a platen 80. The head is carried by a carriage 48 movable transversely with simple...
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4395720 |
Configurational reduction of pulse ejector crosstalk
A method of minimizing crosstalk between transducer driven pulse liquid droplet ejectors in ejector arrays. An array mounted on a scanning carriage and having nozzles inclined to the direction of...
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4389652 |
Bidirectional ink jet printing
The invention relates to an oscillating bar drop-on demand ink jet printer where printing occurs while the bar is moving bidirectionally over a transversely moving record-receiving surface....
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4386358 |
Ink jet printing using electrostatic deflection
Electrostatic deflection is used in an oscillating bar drop-on-demand ink jet printer to compensate for about one half of the droplet displacement caused by bar velocity. The disclosed system...
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4382263 |
Method for ink jet printing where the print rate is increased by simultaneous multiline printing
Electrostatic deflection is used to provide multiline printing from a single pass in an oscillating bar ink jet printer.
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4380017 |
Method for ink jet printing
In moving carriage ink jet printers, the motion of the carriage may be imparted to droplets expressed offsetting the droplets' position on the record surface from one another where bidirectional...
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4379301 |
Method for ink jet printing
Electrostatic deflection is used to correct velocity induced droplet placement errors in an oscillating bar ink jet printer.
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4379300 |
Ink jet printing
An oscillating bar drop-on-demand ink jet printer is used to print on a continuously moving record-receiving surface. The record-receiving surface moves in a direction orthogonal to the direction...
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4349829 |
Non-impact printing method
A non-impact printing method with selective emission of solid ink particles is disclosed. A rod of solid ink is spring-pressed in an insulating housing against an end wall with a nozzle therein. A...
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4349828 |
Method and apparatus for oscillating an array of marking elements
A method and apparatus for marking wherein an array of marking elements is used to mark on a continuously moving mark-receiving surface. In order to provide a rectangular grid in an efficient...
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4323907 |
Valve for ink jet printer
A valve member is positioned in an ink cavity carried by a bidirectionally movable print head and is operable to open and close the inlet and the outlet of the cavity to minimize fluctuations of...
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4314282 |
Multifunction graphic engine based on an oscillating scanner
A simple graphic engine in which a document reading array and an array of marking elements are supported on the same support member. The support member is scanned in a direction orthogonal to the...
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4293863 |
Ink jet printer with laterally movable print head
An ink jet printer deposits ink drops from a plurality of jet drop streams along a plurality of parallel adjacent print lines on a sheet of paper. The printer includes a sheet supporting drum,...
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4281331 |
Variable rate ink jet printing
A method of simulating variable rate printing in an ink jet printing system employing a fixed frequency vibrating reed. By varying several printing parameters, a range of quantized values is...
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4268837 |
Ink jet recording instrument
For improving the class of measuring quality of ink jet recorders the invention provides for a rigid connection of the permanent magnet of the electromagnetic driving system with the securing point...
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4249187 |
Ink jet printer with deflected nozzles
The inventive ink jet printing system is driven from a repertoire data storage medium such as perforated tape or cards, magnetic tape or cards, or the like, on which the stored data may be changed,...
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4240081 |
Ink jet printing
Ink jet printing method and apparatus in which an ink stream is projected from an oscillating structure to a record member which moves relative to the oscillating structure, creating a trace on the...
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4223323 |
Ink jet printer
Means for supplying ink to a plurality of individually-spaced movable print heads is caused to be moved in a direction therewith but which ink supply means is positioned and directed in a manner...
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4136346 |
Recorder pen with ink jet writing device
A chart recorder writing pen of the kind in which the oscillating shaft of a motor drives an arm in a plane perpendicular to the shaft through a linkage causing the writing tip of the arm to move...
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4100550 |
Liquid jet recorder
A liquid jet recorder having a capillary tube with one end connected by a filter to a liquid pump and the other end formed in a nozzle for directing a recording jet of liquid onto a recording...
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