|
Match
|
Document |
Document Title |
|
|
6198493 |
Recording apparatus
A dot data generator receives print data from a host apparatus and generates dot data from the print data. Dots have different diameters according to a gradation level. A drive frequency setting...
|
|
|
6193342 |
Ink jet printer, and ink discharge velocity adjusting method and apparatus in the same
An ink jet printer is provided with: an ink discharge device for discharging ink, having (i) a body prescribing an ink flow path through which the ink is supplied, a plurality of ink storing...
|
|
|
6190000 |
Method and apparatus for masking address out failures
The present disclosure relates to a method and apparatus for accomplishing inkjet printing. One aspect of the present invention is an inkjet printhead for use in an inkjet printing system for...
|
|
|
6183055 |
Multi-pass recording system using random mask
Multi-pass recording is performed to record an input image by plural scans of a recording head over a recording medium in a main scan direction with at least one interposed sub-scan. A thinned...
|
|
|
6174037 |
Multiple pass ink jet printer with optimized power supply
A liquid ink printer in which liquid ink is deposited on a recording medium in swaths in response to image data received thereby including a power supply, having a maximum power rating determined...
|
|
|
6168251 |
Recording apparatus and method for correcting offset of recorded pixels
Provided are a recording head, recording apparatus, recording method, and recording head which are cartridge using the recording head, capable of correcting the offset of recording dot position in...
|
|
|
6161918 |
Thermal ink jet printer
A thermal ink jet printer has two columns of nozzles in its nozzle plate parallel to the direction of motion of each sheet of media. When the sheet of media is thin such as bond paper having a...
|
|
|
6161912 |
Method of maintaining and controlling the helmholtz resonant frequency in an ink jet print head
A method of driving an ink-jet recording head which is provided with nozzle openings, pressure generating chambers each communicating with reservoirs via ink supply ports and keeping the Helmholtz...
|
|
|
6158834 |
Ink-jet recording apparatus, ink-jet recording method, image processing apparatus for processing image data, and method of outputting data from a host apparatus connected to an ink-jet recording apparatus
An ink-jet recording apparatus, ink-jet recording method, and an image processing apparatus are disclosed in which the durability of an image formed with an ink on a recording medium is enhanced by...
|
|
|
6158841 |
Dot recording with plural nozzle groups
A plurality of nozzles in use are classified into M nozzle groups, each nozzle group including Neff nozzles, where Neff is an integer of not less than 2 and M is an integer of not less than 2. A...
|
|
|
6149257 |
Ink-jet printing apparatus capable of increased image uniformity
A high resolution head having smaller ejection amount and a low resolution head having larger ejection amount are employed. With respect to an image to be printed, an image separating portion...
|
|
|
6141113 |
Ink droplet ejection drive method and apparatus using ink-nonemission pulse after ink-emission pulse
In an ink droplet ejection drive method and apparatus, after plural ink emission pulses are generated for each one-dot print instruction or after plural ink emission pulses for plural one-dot print...
|
|
|
6135656 |
Ink-jet printing method and apparatus for performing printing by employing ink and processing liquid making ink insoluble
On the basis of an image data for one line, ejection data is established distributed ejection data in a period of two pixels for each scan for performing printing by scanning twice with different...
|
|
|
6134020 |
Serial printer with addressable print buffer
In an information processing system, a printer driver in a host processor transfers print data to a print buffer in a serial printer having a configuration of one or more print heads. The print...
|
|
|
6126259 |
Method for increasing the throw distance and velocity for an impulse ink jet
An impulse fluid jet apparatus having pulse generating circuitry for an impulse jet. The circuitry generates driving a longer pulse exciting the resonant frequency of the jet and a shorter pulse...
|
|
|
6127198 |
Method of fabricating a fluid drop ejector
The silicon fluid ejector of the present invention includes an electrostatically actuated micromachined positive displacement mechanism consisting of a piston, piston containment structure, piston...
|
|
|
6123404 |
Recording apparatus for counting image recording drive data
A recording head is provided with a plurality of recording elements. In the recording head, the number of record data can be counted accurately, following high-speed recording operation by counting...
|
|
|
6113290 |
Ink jet recording apparatus having improved edge detecting and edge formation
An ink jet recording apparatus includes an edge detection unit that detects the positions of pixels in one pixel line in which data changes from 0 to 1 in accordance with the data serially...
|
|
|
6113209 |
Driving device for electrostrictive ink-jet printer head having control circuit with switching elements for setting electrical potential ranges of power supply to electrodes of the printer head
A head driving device has first MOS field effect transistors connected between a VDD power supply terminal and electrodes, and second MOS field effect transistors connected between a VSS power...
|
|
|
6106091 |
Method of driving ink-jet head by selective voltage application
A piezoelectric actuator is deformed from an initial condition for a time (T1) in a direction, in which an inner volume of an ink chamber is increased, to supply ink to the ink chamber....
|
|
|
6106093 |
Ink jet recording apparatus capable of recording in different resolutions, and ink jet recording method using such apparatus
This invention is to solve the problem that when images are recorded mixedly in different resolutions, disturbance is brought to images, gaps are created between images, or excessively densified...
|
|
|
6102511 |
Ink jet recording apparatus and method for controlling an amount of ink discharged after an interruption in recording
An ink jet recording method and apparatus for performing recording by discharging ink onto a recording medium in accordance with recording data using a recording head having ink discharge ports for...
|
|
|
6102510 |
Recording head system for ink jet recording apparatus and method for driving the same
A recording head system for an ink jet recording apparatus having a full-line recording head. The recording head is divided into a variable number of blocks. The recording ratio of each block (that...
|
|
|
6099102 |
Ink jet recording method, recording apparatus, and information-processing system
An ink jet recording method comprises a pixel-recording step for forming each pixel by fewer droplets than the number of droplets to be required for obtaining a gradation of an image. Therefore all...
|
|
|
6095700 |
Battery operated thermal printer with means to optimize battery life
In a thermal printer having a plurality of thermal elements arranged in a line, voltage of a battery which is to be applied to the thermal elements is detected. Based on the detected voltage, the...
|
|
|
6089692 |
Ink jet printing with multiple drops at pixel locations for gray scale
An ink jet printing apparatus is disclosed for producing gray scale image pixels on a received recording medium includes a plurality of electrical pulse activated ink-ejecting nozzles forming a...
|
|
|
6081280 |
Method and apparatus for inhibiting electrically induced ink build-up on flexible, integrated circuit connecting leads, for thermal ink jet printer heads
Method and apparatus for inhibiting electrically induced ink build-up on flexible, integrated circuit connecting leads, for thermal ink jet printer heads is disclosed, and relates to a thermal ink...
|
|
|
6079805 |
Recording device capable of setting drive voltage of print head based on analog signals
A signal line is provided for outputting, from a chip on board to a CPU, a drive voltage setting signal to be used to set drive voltage applied by an IC driver to an ink jet print head. The signal...
|
|
|
6068360 |
Printer head drive system having negative feedback control
In a printer head drive system for a printing apparatus, both a voltage drop caused by power supply conductors connecting a power supply unit and a driver IC in a head unit and a voltage waveform...
|
|
|
6053596 |
Ink-jet printing device and driving circuit used in the ink-jet printing device
An ink-jet printing device includes a recording head driven by a driving voltage waveform in a main scanning direction for recording an image on a recording medium fed into the printing device in a...
|
|
|
6053595 |
Multi recording system using monochrome printer
An ink jet color recording method forms a multi-color image on a single recording medium using a monochrome recording apparatus, which includes a mounting portion for detachably mounting an ink...
|
|
|
6033055 |
Ink jet recording apparatus and ink jet recording method
An ink jet recording apparatus performs the recording, using a recording head for discharging the ink onto the recording medium to effect the recording, while moving said recording head in a main...
|
|
|
6027195 |
System and method for synchronizing the piezoelectric clock sources of a plurality of ink jet printheads
The method for synchronizing the plurality of piezoelectric crystals on a corresponding plurality of ink jet printheads comprises the steps of: (a) coupling the plurality of printheads together in...
|
|
|
6027197 |
Recording apparatus for effecting multi-pass printing
A recording apparatus records an image on a recording medium by scanning by a recording head. Mask data for masking record data is set in registers, a record timing signal synchronized with the...
|
|
|
6027208 |
Ink jet printhead with passage forming panel and vibration plate
An ink jet printhead is provided which includes a head body. The head body includes a passage forming panel formed with a plurality of grooved ink passages each communicating with a discharge port,...
|
|
|
6022096 |
Color recording apparatus and method
An ink jet recording method wherein ink is ejected onto a recording material, includes providing an ink jet head having a predetermined number of first ejection outlets for ejecting black ink and a...
|
|
|
6012797 |
Method for driving an ink jet recording head having improved discharge stability and recording apparatus having the same
An ink jet recording apparatus records using a recording head. The head comprises a plurality of discharge ports for discharging ink, a common liquid chamber for supplying ink to the plurality of...
|
|
|
6012809 |
Ink jet printing method and apparatus for practicing said method using a processing liquid with one or both surface printing mode
An ink jet printing apparatus enables a printing operation to be performed for both surfaces of a printing medium with the use of an ink jet head for ejecting ink. The apparatus comprises...
|
|
|
6010207 |
Color printer and printing method using the same
A color printer provided with ink jet heads comprising three trains of nozzle holes for respectively discharging different colored ink, each train of nozzle holes composed of a plurality of nozzle...
|
|
|
6003970 |
Ink-jet recording apparatus and method
Using a recording head with 8 nozzles, and feeding paper or recording medium by an amount equal to 2 nozzles at each recording scan, recording is made with respect to first and second rasters in a...
|
|
|
6003969 |
Matrix printer with canted printing head
A pixel matrix printer 10 scales a pixel input image into a dot matrix output image printed on paper 10R by selectively depositing discrete pixel toner units onto the paper. A toner source array...
|
|
|
5992972 |
Multiple scan mixed color ink jet recording method
A recording scan is performed through a relative reciprocation of color recording heads on a recording material. The recording heads can record with higher recording density than that of input...
|
|
|
5992962 |
Print masks for inkjet printers
Various patterns, such as those derived from halftoning techniques, are applied to the design of print masks for inkjet printers to improve print quality. Print masks are used to control the firing...
|
|
|
5988790 |
Multiple element printer and method of adjusting thereof
A multiple element printer including a printhead arranged with N of printing elements for printing dots on a surface of a receiving medium at intervals of k dots where k and N are positive integers...
|
|
|
5984446 |
Color office printer with a high capacity digital page image store
A high speed color printer for use in an office environment, typically as a networked printer. The printer provides high speed (approximately 74 pages per minute: 37 double sided sheets per...
|
|
|
5984447 |
L-shaped inkjet print head in which driving voltage is directly applied to driving electrodes
An ink jet print head is provided with high integration in which a substrate formed with a wiring pattern of a driver circuit is adhered to an actuator plate to provide a joined body, which is...
|
|
|
5980019 |
Character printing method in ink-jet recorder
An ink-jet recording head is used to print characters simultaneously with a recording line. Data on measured temperature values in a data buffer 12 and what relates to one of the horizontal lines...
|
|
|
5969729 |
Ink jet printer with artifact-reducing drive circuit
An ink on demand type ink jet head energization system is provided to drive ink out of a nozzle in the head. The head contains at least one nozzle for discharging ink. The power applied to the...
|
|
|
5966145 |
Ink jet printing on the full width of a printing medium
A serial type ink jet printing apparatus for textile printing sets a print beginning position and a print ending position so that the space between the print beginning position and the print ending...
|
|
|
5963224 |
Recording apparatus with controlled power supply
A recording apparatus comprises a recorder for receiving data from a data supplier connected through a control signal line for interface and recording an image onto a recording medium; an interface...
|