Matches 151 - 200 out of 357 < 1 2 3 4 5 6 7 8 >


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7425056 Ink-jet apparatus employing ink-jet head having a plurality of ink ejection heaters corresponding to each ink ejection opening  
In an ink-jet apparatus employing an ink-jet head having a plurality of heaters corresponding to one ink ejection opening and performing printing by ejecting an ink from the ink-jet head, timings...
7422313 Liquid droplet ejecting apparatus  
There is disclosed a liquid droplet ejecting apparatus including: a tank storing a liquid; a nozzle from which the liquid is ejected in the form of a droplet; a first pressure-feed portion which...
7419236 Printing apparatus and power supply control method  
There are provided a printing apparatus having an arrangement capable of stably applying a voltage without using any special power supply control unit, and a power supply control method. According...
7413292 Method of driving piezoelectric ink jet head  
The present invention is directed to a method for driving a piezoelectric ink jet head comprising a piezoelectric actuator AC that includes two piezoelectric ceramic layers 7a, 7b having such a...
7413288 Externally applied write addresses for printhead integrated circuits  
An inkjet printer comprising: a printhead with a plurality of printhead IC's, each having an array of nozzles for ejecting drops of printing fluid, and drive circuitry for driving the array of...
7393072 Method of driving an ink-jet printhead  
A method of driving an ink-jet printhead, the ink-jet printhead having a pressure chamber to be filled with ink, a piezoelectric actuator for varying a volume of the pressure chamber, and a...
7387352 Print optimization system and method for drop on demand ink jet printers  
A system and method for optimizing print quality of print media is for use on an ink jet printing system with a drop generator and an orifice plate disposed on the drop generator, wherein the...
7367655 Integrated printhead with encoding circuit  
Ink jet printhead comprising a driving and encoding circuit (20) having a grid-like structure, including a plurality of inputs (24), a plurality of selecting elements (12), a plurality of...
7344227 Power and ground buss layout for reduced substrate size  
A semiconductor substrate for a micro-fluid ejection device. The substrate includes plurality of micro-fluid ejection actuators disposed adjacent a fluid supply slot in the semiconductor...
7334856 Method of driving liquid-drop-ejecting recording head, and liquid-drop-ejecting recording device  
A liquid-drop-ejecting recording head carries out image recording by applying a jetting pulse having a binary digital driving waveform to a piezoelectric element, providing a vibration wave to...
7328980 Thermal print head temperature estimation system  
A method estimates the temperature of a thermal print head element during printing. In one embodiment, the temperature is estimated using the resistance of the thermal print head element, which...
7287821 Liquid jetting device and drive voltage correction method  
A liquid jetting device having: a recording head including a jetting energy generating element; a drive circuit generating drive signal for the element; a liquid detection sensor detecting a...
7284839 Inkjet printhead with low power ink vaporizing heaters  
There is disclosed an ink jet printhead which comprises a plurality of nozzles and one or more heater elements 10 corresponding to each nozzle. Each heater element 10 is configured to heat a...
7267429 Ink-jet printhead substrate, driving control method, ink-jet printhead and ink-jet printing apparatus  
A heater/driver array that includes heaters for generating thermal energy utilized to discharge ink and driver circuits for driving these is mounted on a substrate. The heaters are formed into a...
7240994 Method of driving an ink-jet printhead  
A method of driving an ink-jet printhead, which heats ink contained in an ink chamber using a heater to generate and expand a bubble within the ink chamber and ejects ink from the ink chamber...
7234789 Apparatus for ejecting droplets, actuator controller used in the apparatus, and method for controlling the actuator  
In an apparatus for ejecting droplets having nozzles that eject droplets, liquid containing chambers each connected at one longitudinal end thereof with a corresponding nozzle, and an actuator...
7222927 Liquid discharge device and liquid discharge method  
With a liquid discharge device, a maximum of N liquid droplets are discharged so as to land within each pixel region for forming a pixel corresponding to the pixel region, a target landing...
7216960 Method of driving a printhead using a constant current and operating MOS transistor in saturation region  
This invention relates to a printhead substrate capable of suppressing an increase in wiring width and an increase in the size of a substrate formed by a film forming process while increasing the...
7216959 Apparatus and method for driving an ink-jet printhead  
An apparatus and method for driving an ink-jet printhead in which current is applied to a heater to heat ink to be supplied in an ink chamber to generate a bubble to eject ink from the ink...
7210764 Printhead with drive transistors and corresponding ink ejection actuators  
A printhead for ejecting ink includes a substrate defining a plurality of ink supply channels. A plurality of nozzles is operatively mounted to the substrate. Each nozzle defines a respective ink...
7207653 Ink-jet head unit  
An ink-jet head unit including an ink-jet head having ejection-energy generating elements for generating energies for ejecting an ink from nozzles, and a row of terminals for energizing the...
7207642 Liquid ejecting apparatus, liquid ejection method, and printing system  
A liquid ejecting apparatus that drives an element to eject a liquid onto a medium, is provided with: a drive signal generator that is configured to generate a plurality of types of ejection drive...
7204585 Method and system for improving printer performance  
A system and a method for improving printing performance are provided. One method of improving printing performance performing a first print operation utilizing a printhead comprising a plurality...
7192118 Droplet ejecting head and droplet ejecting apparatus  
When ejectors (nozzles) are viewed in order in a sub-scanning direction, the ejectors are arranged so that positions of the ejectors in a main scanning direction alternate in an offsetting manner....
7138171 Identifiable flexible printed circuit board  
The invention discloses an identifiable flexible printed circuit board (PCB) and a method of fabricating the same. The identifiable flexible PCB includes a flexible substrate, a conductive layer,...
7134187 Method for making an inkjet-head chip structure  
A structure of inkjet-head chip and a method for making the same are disclosed. Driven by the need of making a thin insulator layer to lower the working power of the inkjet-head chip, we...
7134742 Ink-jet recording head substrate, ink-jet recording head, and ink-jet recording apparatus  
A recording head substrate allowing an increased number of the exothermic bodies driven at a time without increasing the substrate size so as to increase a number of nozzles arranged in high...
7111920 Fluid jet head with driving circuit of a heater set  
A fluid jet head with driving circuit of a heater set. A first and a second primary transistor are coupled to a first and a second heater. When the first primary transistor is turned on under...
7108355 Low voltage thermal ink jet printhead  
There is disclosed an ink jet printhead which comprises a plurality of nozzles and one or more heater elements 10 corresponding to each nozzle. Each heater element 10 is configured to heat a...
7097265 Driving device of ink-jet print head, control method of the driving device, and liquid drop discharge apparatus  
A driving device of an ink-jet print head is provided that discharges liquid drops through a plurality of nozzles. The driving device comprises a data storage unit which stores a data block for...
7090338 Fluid ejection device with fire cells  
Devices, methodologies, and other embodiments associated with fluid ejection devices are described. One exemplary embodiment includes a fluid ejection device that comprises a plurality of firing...
7083265 Circuit routing for printhead having increased corrosion resistance  
The present invention includes as one embodiment a printhead having a circuit with plural resistors and a power bus. The printhead includes a metal stack formed within the circuit, which is...
7073878 Liquid ejecting apparatus and controlling unit of liquid ejecting apparatus  
A liquid ejecting apparatus of the invention includes: a pressure-generating chamber having an inside space whose volume is changeable, into which a liquid is supplied and which is communicated...
7070251 Method of adjusting the duration of printing pulses  
The present invention relates to a method of printing using dots of ink discharged from nozzles to form the image. To ensure quality and efficiency of printing, a feed back mechanism from the...
7066583 Film forming apparatus and method of driving same, device manufacturing method, device manufacturing apparatus, and device  
A film forming apparatus and a method of driving this apparatus control vibrations imparted to a liquid by a discharge waveform (a first signal) that causes liquid drops to be discharged and by a...
7059710 Image forming method, printed matter and image recording apparatus  
A method for forming an ink-jet image, comprising the steps of: (a) ejecting droplets of an ink through ink-nozzles of an ink-jet head of an ink-jet recording apparatus, the ink-jet recording...
7052115 Ink jet recording apparatus  
An ink jet recording apparatus has an ink jet head comprised of a substrate having at least a pair of partition walls with deformable side walls spaced apart at a preselected distance to form a...
7036898 Supplying power to logic systems in printers  
Power is provided from one portion of a printer, such as a printer electronics module, to another portion of the printer, such as a printhead. Logic signals produced in a first electronic module...
7011395 Print head energy storage  
The manner in which power is supplied to the firing elements of an ink jet printhead is improved by moving a power supply capacitor from the printer to the print head cartridge to improve the...
6994426 Inkjet printer comprising MEMS temperature sensors  
A printer comprising an inkjet printhead having an array of nozzles is provided. Each nozzle comprises a chamber for storing ink to be ejected, an aperture defined in a wall of the chamber, a...
6981753 Glass-fiber thermal inkjet print head  
A page-wide inkjet print head is formed by assembling individual glass fiber tube sections, which are then sintered together drawn to thin or neck the diameter of the orifices, slicing the glass...
6976752 Ink jet printer with resistance compensation circuit  
An ink jet printer includes a printhead control circuit that produces printhead command signals based on data signals provided by the printer. A power circuit actuates ink ejectors in response to...
6974200 Fuse density on an inkjet printhead chip  
A programmable memory on an inkjet printhead chip. The memory includes at least a memory array that has a plurality of memory elements, and a bipolar device that isolates a memory element from...
6971735 Ink-jet printhead board, ink-jet printhead, and ink-jet printing apparatus  
A stable operation is realized without any malfunction of a driver even under a voltage condition that a supplied voltage is 3.3 V or lower. For this purpose, in an ink-jet printhead having an ink...
6959973 Ink jet printing apparatus and ink jet printing method using selective application of different voltages to control ink discharge  
A printing apparatus employing a bubble jet (a registered trademark) capable of maintaining at all times conditions of ink at and around a discharge port suitable for discharge without performing...
6938993 Fluid injection head structure  
A fluid injection head structure. The fluid injection head structure is formed on a substrate and has a manifold therein, bubble generators, a conductive trace, and at least two rows of chambers...
6932460 Fluid ejection device  
A dynamic memory based integrated circuit ink jet firing cell that includes a heater resistor, a drive transistor, and a dynamic memory circuit for storing firing data only for such heater...
6932453 Inkjet printhead assembly having very high drop rate generation  
An inkjet printhead assembly includes at least one inkjet printhead including N primitives and an address having M possible address values. Each primitive includes a group of at most M drop...
6916087 Thermal bend actuated inkjet with pre-heat mode  
An inkjet printhead with thermal bend actuators for ejecting ink from the nozzle apertures and drive circuitry for operating each thermal bend actuator in a normal mode wherein drive signals to...
6902253 Fluid ejection  
An arrangement for ejecting fluid includes at least one inner driver adapted to independently create a first drive bubble for ejecting a first drop of fluid, and at least one outer driver...

Matches 151 - 200 out of 357 < 1 2 3 4 5 6 7 8 >