Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 8083323 | On-chip heater and thermistors for inkjet A chip used for dispensing a fluid such as ink provides ink-dispensing ejectors having an ink cavity over a supporting substrate, and further provides a heater for heating the ink in the cavity. The heater can be interposed between the substrate and the ink cavity t... | 12/27/2011 |
| 7918540 | Microelectromechanical ink jet printhead with printhead temperature feedback A microelectromechanical ink jet printhead includes a number of groups of ink ejection nozzles. Each group has a temperature sensor that is monitored by a processor incorporating the printhead. In order to maintain printing ink at a constant viscosity the processor ... | 04/05/2011 |
| 7726782 | Image generating apparatus This image generating apparatus comprises a control portion printing a print image by predicting an ambient temperature in an apparatus body substantially reaching a constant level after continuously printing the same print image from the data quantity of the print ... | 06/01/2010 |
| 7465034 | Thermal ink jet printhead with cavitation gap An inkjet printhead which comprises a plurality of nozzles and one or more heater elements (53, 10) corresponding to each nozzle. Each heater element is configured to heat a bubble forming liquid in the printhead to a temperature above its boiling point to fo... | 12/16/2008 |
| 7461925 | Adjusting power Embodiments of a method and apparatus for adjusting power are disclosed. ... | 12/09/2008 |
| 7419250 | Micro-electromechanical liquid ejection device A micro-electromechanical device for ejecting liquid, such as ink, having a plurality of nozzle arrangements, each nozzle arrangement having a nozzle chamber, an actuator for ejecting the liquid from the nozzle chamber, and a heater to raise the temperature of the l... | 09/02/2008 |
| 7404612 | Ink jet printing apparatus and ink jet printing method The present invention provides an ink jet printing apparatus and an ink jet printing method which are capable of stabilizing the amount of ink ejection and of printing a high-definition image by selecting a driving condition with heat conductivity of an electrotherm... | 07/29/2008 |
| 7384115 | Method for controlling a printhead A method for controlling a printhead for printing and maintaining a desired operating temperature of the printhead during the printing, the printhead having a plurality of ink ejectors and a plurality of addresses employed for ejecting ink from the plurality of ink ... | 06/10/2008 |
| 7350888 | Composite printhead fire signals A method and device for providing a plurality of fire pulses in an ink jet printer, which includes a production of a plurality of fire signals. Each fire signal of the plurality of fire signals are asserted at a different timing than the other of the plurality of fi... | 04/01/2008 |
| 7341324 | Pre-warming portions of an inkjet printhead An embodiment of a printing system is provided with an inkjet printhead having plural portions each having an ink-ejecting nozzle. The printing system includes plural heater elements each associated with one of the plural portions to pre-warm ink dispensed by the no... | 03/11/2008 |
| 7334876 | Printhead heaters with small surface area A thermal inkjet printhead with generally planar heater elements disposed in respective bubble forming chambers, whereby the area of each heater is less than 300 μm2. The heater area influences the energy required to he... | 02/26/2008 |
| 7293858 | Inkjet printhead integrated circuit with rotatable heater element An inkjet printhead integrated circuit that has a plurality of nozzles 3 and a bubble forming chamber 7 corresponding to each nozzle respectively. At least one heater element 10 suspended in each bubble forming chamber 7 to heat a bubble ... | 11/13/2007 |
| 7293857 | Inkjet printhead and method of manufacturing the same An inkjet printhead and a method of manufacturing the same are provided. The inkjet printhead includes a substrate; a plurality of heaters formed on an upper portion of the substrate for heating ink for generating bubbles; a plurality of metal-oxide semiconductor (M... | 11/13/2007 |
| 7285310 | Active energy ray curable aqueous ink, and ink-jet recording process, ink cartridge, recording unit and ink-jet recording apparatus using the same An active energy ray curable ink which is quickly polymerized by an active energy ray, high in crosslinking degree of a cured material formed, excellent in adhesive property, low in viscosity, excellent in long-term storability and also excellent in ejection stabili... | 10/23/2007 |
| 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 plurality of groups and are driven by block drive on a per-group basis.... | 09/11/2007 |
| 7264323 | Achieving laser-quality medical hardcopy output from thermal print devices A multi-media printer includes an engine controller, a printhead controller, and a pulse activation table. The engine controller transmits a row of energy values. The printhead controller receives the row of energy values and transmits an activation signal. The acti... | 09/04/2007 |
| 7246886 | Thermal ink jet printhead with short heater to nozzle aperture distance 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 bubble forming liquid 11 in the printhead to a tempera... | 07/24/2007 |
| 7244018 | Ink cartridge having retaining structure and memory The ink cartridge includes an ink supply port formed at a position, offset to one side, of a wall configuring an ink container body; a positioning projecting portion, formed on one wall out of two opposing walls adjacent the wall, whose upper surface and side portio... | 07/17/2007 |
| 7245389 | Burst mode for printing devices Systems and methods are described herein for enabling a burst mode in a printing device to accelerate a first page out time for a print job. A warm up period typically allowed in a laser printer is used to heat up a fuser to an optimum temperature. When certain prin... | 07/17/2007 |
| 7240989 | Liquid delivery head, liquid delivery device, and liquid delivery head driving method The present invention is applied to a printer that discharges ink drops by driving, for example, heater elements. In the case where a plurality of variable pressure generator elements are driven to control the direction in which the drop is discharged, the present i... | 07/10/2007 |
| 7240998 | Liquid jetting device and liquid jetting method Disclosed is a liquid jetting device which includes: a liquid chamber for containing a liquid to be jetted out; an energy generation element for imparting energy to the liquid in the liquid chamber; and a nozzle for jetting out the liquid in the liquid chamber as a ... | 07/10/2007 |
| 7237883 | Ink cartridge having positioning structure and recording apparatus for receiving the ink cartridge The ink cartridge includes an ink supply port formed at a position, offset to one side, of a wall configuring an ink container body; a positioning projecting portion, formed on one wall out of two opposing walls adjacent the wall, whose upper surface and side portio... | 07/03/2007 |
| 7222933 | Inkjet recording apparatus and recovery control after interruption of its recording operation An inkjet recording apparatus has a structure in which, when a recording-interruption operation of a recording head such as discharge-recovery processing is performed during an image-forming operation, a recording downtime is measured, and the recording head is heat... | 05/29/2007 |
| 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 number of simultaneously driven printing elements in order to improve ... | 05/15/2007 |
| 7207654 | Ink jet with narrow chamber A nozzle arrangement with an actuator disposed in an ink chamber. An ink inlet supplies ink, and an ink ejection port allows ink to be ejected selectively. The ink inlet is located to refill the ink chamber at a position that is radially displaced from the axis of t... | 04/24/2007 |
| 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 of resistors by ejecting ink from a plurality of chambers each associa... | 04/17/2007 |
| 7201461 | Apparatus for controlling a temperature of an ink-jet printhead An apparatus for controlling a temperature of an ink-jet printhead includes a heater driving field effect transistor (FET) connected to a heater, the heater driving FET for applying a heater voltage to the heater according to a waveform input to a gate of the heater... | 04/10/2007 |
| 7188924 | Circuit and method for estimating pulse frequency of nozzle in ink-jet head A circuit and a method of estimating pulse frequencies of nozzles in an ink-jet head use a new mechanism of estimating pulse frequencies of nozzles instead of in a conventional counting mechanism. The circuit includes a DRAM, an adder and a method control mechanism.... | 03/13/2007 |
| 7187468 | Method for ensuring consistent dot size in an inkjet printhead A problem that occurs with inkjet printers having a microelectromechanical thermal inkjet printhead is that the dot print size during the initial operation of the printer is inconsistent with the dot print size produced after the printer has reached an equilibrium t... | 03/06/2007 |
| 7185965 | Inkjet recording apparatus and recovery control after interruption of its recording operation An inkjet recording apparatus has a structure in which, when a recording-interruption operation of a recording head such as discharge-recovery processing is performed during an image-forming operation, a recording downtime is measured, and the recording head is heat... | 03/06/2007 |
| 7182429 | Liquid discharger and method for discharging liquid droplets To provide a liquid discharger and a method to discharge liquid in which lowering of the precision of the assembly and the discharge accuracy of the high-viscosity liquid caused by thermal deformation, such as thermal expansion, is suppressed when the discharge head... | 02/27/2007 |
| 7168774 | Liquid jetting device and liquid jetting method Disclosed is a liquid jetting device which includes: a liquid chamber for containing a liquid to be jetted out; an energy generation element for imparting energy to the liquid in the liquid chamber; and a nozzle for jetting out the liquid in the liquid chamber as a ... | 01/30/2007 |
| 7168777 | Feedback arrangement for a printer having a microelectromechanical printhead An inkjet printer includes a microelectromechanical printhead under the control of a printer processor. A plurality of feedback lines emanate from each of a number of segments of the printhead. Signals from the feedback lines are selectively conveyed to the processo... | 01/30/2007 |
| 7152957 | Recording device board having a plurality of bumps for connecting an electrode pad and an electrode lead, liquid ejection head, and manufacturing method for the same The invention is intended to suppress failures of connected portions between electrode pads and bumps. A liquid ejection head comprises a recording device board including an energy generating device disposed thereon to generate energy for ejecting a liquid through a... | 12/26/2006 |
| 7133153 | Printhead having digital circuit and analog circuit, and printing apparatus using the same In a printhead having an element substrate on which a digital circuit including a printing element and a drive circuit for driving the printing element in accordance with input print data, and an analog circuit including a detection circuit for obtaining information... | 11/07/2006 |
| 7127084 | Method of creating digital composite files of superimposed images A method for creating digital composite files of superimposed images of an object and a setting where the object and setting are at differing locations, the method comprising the steps of first placing of a dummy within the setting; first shooting of film for captur... | 10/24/2006 |
| 7121648 | Droplet ejection method and device A droplet-jetting device having high jetting ability, which includes an actuator featuring a liquid chamber and a heater and a controller. The liquid chamber has an aperture for jetting droplets of an operation liquid which the liquid chamber accommodates. The heate... | 10/17/2006 |
| 7111926 | Thermal ink jet printhead with rotatable heater element There is disclosed an ink jet printhead that has a plurality of nozzles 3 and a bubble forming chamber 7 corresponding to each nozzle respectively. At least one heater element 10 suspended in each bubble forming chamber 7 to heat a bubble... | 09/26/2006 |
| 7108345 | Recording head, substrate for use of recording head, and recording apparatus A recording head comprises a plurality of recording elements for performing recording; a driving circuit for driving the plurality of recording elements; and a predetermined voltage generating circuit for generating a predetermined voltage to be applied to the plura... | 09/19/2006 |
| 7101099 | Printing head, head cartridge having printing head, printing apparatus using printing head, and printing head substrate A printing head which outputs an output from a sensor device provided for monitoring various condition of a printing head as digital data, and a printing apparatus using the printing head. The output from the device for detecting condition of the printing head, e.g.... | 09/05/2006 |
