Bizarre Patents
A banana protective device for storing and transporting a banana carefully.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8172368 | Fluid ejection device with data signal latch circuitry A fluid ejection device includes a plurality of firing cells and a fire line adapted to conduct an energy signal including energy pulses. Each firing cell in the plurality of firing cells includes a firing resistor, a drive switch, a first data switch, and a second ... | 05/08/2012 |
| 8167411 | Print element substrate, inkjet printhead, and printing apparatus This invention is directed to an element substrate including a plurality of print element arrays in which print elements are arranged at different arrayed densities. The element substrate can efficiently transfer data to each print element. The element substrate inc... | 05/01/2012 |
| 8162443 | Paired drop ejector method of operation A method of ejecting droplets of liquid from a paired drop ejector, the method includes the steps of providing a chamber having a dividing wall that forms a first and second portion and the first portion includes a first nozzle mated with a first heater and the seco... | 04/24/2012 |
| 8132895 | Printhead substrate, printhead, head cartridge, and printing apparatus This invention is directed to a head substrate capable of high-quality printing even when the environmental temperature, print duty, and printhead itself change, a printhead, a head cartridge, and a printing apparatus using the printhead. The head substrate includes... | 03/13/2012 |
| 8128205 | Fluid ejection device A fluid ejection device includes a plurality of firing cells, a clocked latch switch, and a data latch switch. Each firing cell includes a heater used to fire ink through a nozzle, a drive switch, and a memory cell used to store a control value used to control the d... | 03/06/2012 |
| 8075101 | Recording head driving method and recording apparatus A recording head includes electrothermal transducers associated with temperature sensing elements. A method for driving the recording head includes supplying driving energy to the electrothermal transducer, and evaluating a temperature change in a temperature fall i... | 12/13/2011 |
| 8070262 | Print element substrate, printhead, and printing apparatus This invention is directed to allow efficiently transferring data to each print element (heater) and efficiently laying out circuits in an element substrate including plural heater arrays in which different numbers of heaters are arranged. This substrate includes: a... | 12/06/2011 |
| 8061815 | Printhead with turbulence inducing filter for ink chamber An inkjet printhead with an array of ink chambers, each having a nozzle, an actuator for ejecting ink through the nozzle, an inlet opening allowing ink to refill the chamber and a filter structure at the inlet opening. The filter structure has rows of obstructions e... | 11/22/2011 |
| 8016389 | Printhead IC with staggered nozzle firing pulses An inkjet printer comprising: an array of nozzles arranged into rows, each row of nozzles is divided into a series of groups; and, drive circuitry for sending a drive pulse to each of the nozzles individually such that they eject a drop of printing fluid; wherein, t... | 09/13/2011 |
| 7971972 | Nozzle arrangement with fully static CMOS control logic architecture A nozzle arrangement for a pagewidth inkjet printhead assembly. The nozzle arrangement includes a substrate defining an ink supply channel; an ink chamber in fluid communication with the ink supply channel, the ink chamber defining an ink ejection port around which ... | 07/05/2011 |
| 7954929 | Micro-fluid ejecting device having embedded memory in communication with an external controller A micro-fluid ejecting head for use in a micro-fluid ejecting apparatus includes a plurality of micro-fluid ejection devices, a plurality of driver devices for driving the plurality of micro-fluid ejection devices, and a nonvolatile programmable memory matrix. The m... | 06/07/2011 |
| 7946686 | Bonded printhead assembly A bonded printhead assembly comprising at least one printhead integrated circuit having a plurality of etched ink supply channels defined in a first bonding surface thereof each ink supply channel extending longitudinally along said first bonding surface a molded in... | 05/24/2011 |
| 7918538 | Printhead formed of element substrates having function circuits In a printhead having a plurality of element substrates, the effects of the rise in element substrate temperature and current noise are not manifested in a biased manner in only one of the element substrates. The printhead includes a plurality of printing elements a... | 04/05/2011 |
| 7857427 | Inkjet printhead having MEMS sensors for directionally heated ink ejection An inkjet printhead is provided having nozzles, bubble forming chambers containing ejectable ink, generally planar heater elements each bonded on one side to an associated chamber so that the other side faces into the chamber, a MEMS fluid sensor having a MEMS sensi... | 12/28/2010 |
| 7841703 | Printhead having rows of symmetrically arranged nozzles A printhead is provided which has a plurality of rows of print nozzles. Each row has first and second drive circuitry for each nozzle respectively positioned at opposite sides of each nozzle with respect to the row. The respective positions of the first and second c... | 11/30/2010 |
| 7832842 | Printer controller for supplying data to a printhead module having interleaved shift registers A printer controller for providing data to a printhead module that includes: at least one row of print nozzles; at least first and second shift registers for shifting in dot data supplied from a data source, wherein each shift register feed... | 11/16/2010 |
| 7794057 | Fluid ejection device A fluid ejection device having firing cells, signal lines configured to receive a series of pulses, and an address generator configured to receive pulses from the series of pulses and generate a set of address signals in response to the received pulses, wherein the ... | 09/14/2010 |
| 7681992 | Element substrate, and printhead, head cartridge, and printing apparatus using the element substrate This invention relates to a printhead element substrate having a plurality of electrothermal transducers and a plurality of switching elements which drive the plurality of electrothermal transducers. The element substrate has a level converter which is shared by adj... | 03/23/2010 |
| 7614725 | Inkjet printing apparatus An inkjet printing apparatus includes an array of inkjet print heads, wherein each print head has at least one ink port for receiving ink, at least one nozzle for directing ink onto a substrate to be printed, and at least one control terminal for receiving a supply ... | 11/10/2009 |
| 7597424 | Printhead substrate, printhead, head cartridge, and printing apparatus An object of this invention is to implement higher-quality printing at a higher speed by changing an electric current value to a printing element and adjusting energy applied to the printing element in an inkjet printhead. To achieve this object, a current regulatin... | 10/06/2009 |
| 7585054 | Inkjet printhead with integrated circuit mounted on polymer sealing film A printhead for an inkjet printer, the printhead comprising: a printhead integrated circuit formed on a wafer substrate using lithographically masked etching and deposition techniques; an integrated circuit support... | 09/08/2009 |
| 7571989 | Droplet ejection head driving circuit and method, and droplet ejection device A driving circuit of a droplet ejection head which, by supplying analog driving signals to driving elements, ejects droplets from nozzles which are provided in correspondence with the driving elements. The driving circuit includes a driving signal generation unit, a... | 08/11/2009 |
| 7559628 | Head substrate, recording head, head cartridge and recording apparatus therewith An ink-jet recording head substrate which is mounted with electrothermal transducers producing thermal energy used for discharging ink and which drives the electrothermal transducers, comprising: a production circuit operating on a first voltage and producing a sele... | 07/14/2009 |
| 7543916 | Printer with low voltage vapor bubble generating heaters An inkjet printer that has a printhead with a plurality of nozzles and one or more heater elements 10 corresponding to each nozzle, configured to operate at low voltage and low current. Each heater element 10 vaporises a printing fluid 11 to for... | 06/09/2009 |
| 7484833 | Droplet ejector and ink-jet printhead using the same In a droplet ejector and an ink-jet printhead using the same, the droplet ejector includes a fluid path through which a fluid moves, a nozzle being formed on one end of the fluid path, a volumetric structure formed in the fluid path, the volumetric structure being s... | 02/03/2009 |
| 7465031 | Liquid-ejection apparatus Flying characteristics of ink droplets are controlled efficiently to the utmost. In one liquid chamber, two heating elements with the same surface-shape and the same heating characteristics are juxtaposed. While energy is simultaneously applied to the two heating el... | 12/16/2008 |
| 7465032 | Printhead with inlet filter for ink chamber An inkjet printhead with an array of ink chambers, each having a nozzle, an actuator for ejecting ink through the nozzle, an inlet opening allowing ink to refill the chamber and a filter structure at the inlet opening; wherein, the... | 12/16/2008 |
| 7441879 | Unit cell of a printhead for an inkjet printer The invention provides for a unit cell of a printhead for an inkjet printer. The unit cell includes a wafer substrate, a layer of micro-electromechanical drive circuitry deposited on the wafer substrate, and an interlayer dielectric deposited on the drive circuitry ... | 10/28/2008 |
| 7441853 | Image forming apparatus and drive control method for liquid ejection head The image forming apparatus comprises: a liquid ejection head which includes a plurality of nozzles and a plurality of pressure generating elements provided correspondingly to the plurality of nozzles, the pressure generating elements being applied with drive signal... | 10/28/2008 |
| 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 of bubble forming are mutually shifted at respective heaters of the pl... | 09/16/2008 |
| 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 is disposed between the tank and the nozzle, and pressure-feeds the liq... | 09/09/2008 |
| 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 to the method, a signal representing a change of an image signal is g... | 09/02/2008 |
| 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 size that covers the plurality of pressure c... | 08/19/2008 |
| 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 nozzles; a print engine controller for sending print data to the printhea... | 08/19/2008 |
| 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 nozzle, through which an ink droplet is ejected, connected to the pressure c... | 07/01/2008 |
| 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 orifice plate comprises nozzles forming a jet array. The drop generator is... | 06/17/2008 |
| 7370942 | Ink supply arrangement incorporating baffles in an ink distribution molding An ink supply arrangement is provided for supplying ink to an inkjet printhead. The ink supply arrangement includes an elongate ink distribution molding defining a printhead channel in which the printhead can be received and sets of passages for supplying respective... | 05/13/2008 |
| 7370928 | Droplet discharge control method and liquid discharge apparatus The method of controlling droplet discharge for a liquid discharge apparatus which discharges droplets from a discharge head onto a discharge receiving medium, the method comprises the steps of: successively discharging a plurality of droplets from the discharge hea... | 05/13/2008 |
| 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 actuating elements (IC) and at least one identifying elem... | 05/06/2008 |
| 7367647 | Pagewidth inkjet printer cartridge with ink delivery member An inkjet printer cartridge including one or more printing fluid reservoirs; a printing fluid delivery member defining one or more printing fluid delivery channels; and a pagewidth printhead in fluid communication with the one or more printing fluid reservoirs by me... | 05/06/2008 |
