Quotables
"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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 |
| 8172359 | System and method for print head maintenance during continuous printing An ink jet printer system includes a partially redundant page-wide array of moveable ink jet print heads in a print zone, means outside of the print zone for servicing the print heads, and a transfer system, configured to selectively move a redundant portion of the ... | 05/08/2012 |
| 8162433 | System and method for scheduling ink jet recovery in an ink jet printer A method enables an ink jet image generating system to select an operational mode in response to detection of a missing ink jet. The method includes generating a digital image of an ink image on an image receiving member of an ink jet image generating system, detect... | 04/24/2012 |
| 8147027 | Ink jet printing apparatus and ink jet printing method An ink jet printing apparatus and an ink jet printing method are provided which can perform ink ejection performance recovery operations on a print head at optimal timings while at the same time reducing a volume of ink discarded by the recovery operations. Thirty d... | 04/03/2012 |
| 8147029 | Liquid ejection apparatus A liquid ejection apparatus includes a heater controller and a purge controller. The heater controller controls a heater to heat liquid in at least a part of a liquid path of a head when an ambient temperature of the head is lower than a first predetermined temperat... | 04/03/2012 |
| 8147028 | Nozzle inspecting device in fluid discharge apparatus, fluid discharge apparatus, and nozzle inspection method A nozzle inspection device includes an inspection electrode placed apart from a discharge unit with a gap therebetween, an inspection unit for inspecting the presence of a defective nozzle by discharging a fluid with respect to the inspection electrode in a state in... | 04/03/2012 |
| 8136917 | Image forming apparatus and image forming system An image forming apparatus includes: a liquid jetting head jetting a liquid to form an image; a recovery mechanism discharging the liquid in the liquid jetting head to an external part to recover jetting performance of the liquid jetting head; a controller controlli... | 03/20/2012 |
| 8132889 | Method for detecting purging ink flow through printhead heater chip nozzles by thermal analysis A method for detecting ink flow through a printhead, due to a successful purging of the nozzles of a heater chip of the printhead, includes moving the printhead to a location in preparation for a purging operation such that a purge pump is connected in flow communic... | 03/13/2012 |
| 8128191 | Maintenance method for discharging head, maintenance device for discharging head, droplet discharging apparatus, discharging head, and computer program A maintenance method is provided for a discharging head in which multiple discharging portions are arranged in line. The maintenance method includes the steps of performing an operation of continuously discharging droplets from one discharging portion or a plurality... | 03/06/2012 |
| 8123331 | Image forming apparatus and information recording medium An ink-jet printer performs formation of an image by jetting an ink from nozzles of an ink-jet head. When a power supply is switched ON after a time measuring section is not capable of measuring time due to the power supply has been switched OFF, then the ink-jet pr... | 02/28/2012 |
| 8109597 | Image forming apparatus and control method for image forming apparatus An image forming apparatus which forms an image includes: an intermediate transfer body which is conveyed in a conveyance direction; a washing liquid application device which applies a washing liquid on the intermediate transfer body; a first wiping device which is ... | 02/07/2012 |
| 8070253 | Head cleaning method for an inkjet printer and an inkjet printer An inkjet printer and a head cleaning method for an inkjet printer reduce the time required for head cleaning while also reducing needless ink consumption. The control unit 30 of the printer 1 confirms if a timer AID flag, impact detection flag, startu... | 12/06/2011 |
| 8038253 | Ink jet recording apparatus and maintenance method thereof The invention provides a configuration capable of judging whether an ink jet head is exchanged or whether it is replaced, and changing an amount of recovery operation when the ink jet head is exchanged or replaced. Thus a recording apparatus capable of avoiding a de... | 10/18/2011 |
| 8029091 | Ink-jet recording apparatus The present invention provides an inkjet recording apparatus includes an inkjet head, a conveyor, a printing controller, an image sensor, a blocking object determining unit, and a blocking object dealing unit. The inkjet head has an ejection surface in which plural ... | 10/04/2011 |
| 8025357 | Fluid ejecting apparatus and ejecting head maintenance method A method for maintaining a fluid ejecting apparatus including an ejecting head that has an ejecting surface in which a plurality of ejecting ports that eject fluid are formed, and a maintenance portion that performs maintenance processing to recover the ejection of ... | 09/27/2011 |
| 8016381 | Liquid ejecting apparatus and method of controlling same When a predetermined time T1ref has elapsed from performance of a previous cleaning, all nozzles in a nozzle row as an inspection target are driven at a drive frequency of a maximum frequency so that an air bubble in a filter chamber is crushed against a filter by i... | 09/13/2011 |
| 8011751 | Inkjet printer and recovery method for a print head A recovery process starting unit extracts a low print demand period, and sets the extracted low print demand period as the start time for the print head recovery process. When the start time comes, the recovery process starting unit activates the head recovery drive... | 09/06/2011 |
| 8011752 | Image recording apparatus An ink jet printer has a carriage equipped with a recording head. The carriage is disposed downstream in a feeding direction of a recording medium. The carriage has an optical sensor for measuring dirt on a supply roller. When the supply roller is dirty, a cleaning ... | 09/06/2011 |
| 8007071 | Image forming apparatus and information recording medium An image forming apparatus includes: a liquid tank which retains a liquid; a liquid jetting head connected to the liquid tank and having a nozzle for jetting the liquid; a carriage on which the liquid tank and the liquid jetting head are provided; a recovery mechani... | 08/30/2011 |
| 8007070 | Ink-jet printer and maintenance method for ink-jet printer Ink consumption amount is calculated based on an ink amount which is used for recording and periodic preparatory jetting in a predetermined time period after a previous discharge operation. An ink of an ink amount obtained by subtracting a consumption amount for the... | 08/30/2011 |
| 7992960 | Non-user-initiated preventative maintenace modes for inkjet-printing device One or more preventative maintenance mode parameters for an inkjet-printing device having an inkjet-printing mechanism are determined based on a water loss rate of water from ink within the device and/or on an air gain rate of air into the ink within the device. As ... | 08/09/2011 |
| 7976119 | Printing apparatus A printing apparatus includes a recording head that prints an image and an ink cartridge that stores ink to the recording head. The ink cartridge includes an ink pack and an ink-end sensor that detects an ink-end point based on the pressure of ink supplied from the ... | 07/12/2011 |
| 7967410 | Method and apparatus for forming image An image forming apparatus includes an apparatus body, a conveying mechanism that is provided in this apparatus body and conveys a sheet, a recording head that moves along a moving path orthogonal to a conveying direction of the sheet, ejects an ink to the sheet to ... | 06/28/2011 |
| 7918531 | Ink-jet recording apparatus and method of cleaning recording head of ink-jet recording apparatus An ink-jet recording apparatus, including: a recording head including ink chambers each provided for each of inks of mutually different colors and nozzles each communicating with either of the ink chambers, the recording head performing recording by ejecting, from e... | 04/05/2011 |
| 7871146 | Printing apparatus, recording head cleaning method, control process and computerized cleaning program for the recording head in a printer The cleaning process best suited to the condition of an inkjet printer is selected and run, thereby removing nozzle clogging without wastefully consuming ink. The first time a cleaning switch 7 is operated a CL1 cleaning process is run. If the cleaning... | 01/18/2011 |
| 7866788 | Printers and printhead cleaning primarily in page-wide array printers A method of printing on a substrate and a printer are provided. The method uses a printer comprising a print head and a mask having a hole therethrough, the mask being disposed between the print head and the substrate, and comprises aligning the hole with the print ... | 01/11/2011 |
| 7862145 | Printing apparatus and method of controlling the same An object of this invention is to properly prevent clogging of each nozzle in order to stably discharge ink without increasing a circuit scale even when the number of nozzles increases. For this purpose, the number of ink discharges from each printing element is sto... | 01/04/2011 |
| 7845756 | Inkjet recording apparatus and method of controlling the apparatus Wiping is performed every time when a predetermined period elapses. With the wiping performed step by step, a density of ink in liquid remaining on a discharge port surface is diluted, and becomes a predetermined density or lower. Accordingly, a condition can be mai... | 12/07/2010 |
| 7845757 | Printing apparatus and method for producing nozzle cleaning time to improve throughout A printing apparatus including printheads arranged along a transport path of a printing medium and which are transported in a transporting direction. The printheads have a plurality of nozzles arranged in an arrangement which intersects the transporting direction. T... | 12/07/2010 |
| 7841688 | Liquid ejecting apparatus A liquid ejecting apparatus including a liquid ejecting head, a liquid supply passage, a gas discharge passage, a gas-permeable film, a switching device, and a differential pressure valve. The gas-permeable film allows only gases to pass therethrough and provides a ... | 11/30/2010 |
| 7815281 | Print element de-prime method An image forming device comprises an ink reservoir that contains a reservoir ink. The ink reservoir is arranged to provide the reservoir ink to an included print element by means of an included ink supply channel. A print element ink thus is supplied to the print el... | 10/19/2010 |
| 7806503 | Printing apparatus and ink discharge failure detection method A printing apparatus and ink discharge failure detection method capable of precisely detecting temperature information corresponding to each nozzle are provided. Temperatures of respective electrothermal transducers (heaters) are measured on the basis of outputs fro... | 10/05/2010 |
| 7802867 | Liquid jetting apparatus and maintenance method of the liquid jetting apparatus A liquid jetting apparatus includes: a first liquid jetting head having a nozzle which jets a first liquid supplied from a first liquid supply source; a second liquid jetting head having a nozzle which jets a second liquid supplied from a second liquid supply source... | 09/28/2010 |
| 7784899 | Liquid ejecting apparatus and method for flushing liquid ejecting apparatus The invention provides a method for flushing a liquid ejecting apparatus by ejecting liquid from a nozzle of a liquid ejecting head toward a liquid catcher that is provided opposite to a nozzle opening surface of the liquid ejecting head. The method comprises applyi... | 08/31/2010 |
| 7784898 | Ink jet recording apparatus and control method An ink jet recording apparatus includes a recording head having a plurality of discharge ports for discharging ink supplied from an ink tank and a plurality of heating elements. The ink jet recording apparatus further includes a detection unit configured to detect a... | 08/31/2010 |
| 7726770 | Inkjet printer An inkjet printer includes: a print head; a maintaining unit; a timing unit; a notifying unit; a maintenance command determining unit; and a maintenance operation executing unit. The print head is formed with one or more ink ejection opening for printing a printing ... | 06/01/2010 |
| 7722152 | Liquid ejection method and liquid ejection apparatus A liquid ejection method includes determining, according to image data, an ejection pixel that is a pixel at which a liquid is to be ejected and a non-ejection pixel that is a pixel at which a liquid is not to be ejected; determining, according to the image data, a ... | 05/25/2010 |
| 7712863 | Liquid-ejecting-apparatus maintenance method and liquid ejecting apparatus A maintenance method that discharges liquid L collected in a liquid receiver 15 of a liquid ejecting apparatus includes a first step of causing a nozzle opening face 43a of a liquid ejecting head 3 to be disposed facing the liquid receive... | 05/11/2010 |
| 7703877 | Liquid ejection apparatus and control method for applying meniscus vibration according to the viscosity states of nozzles A liquid ejecting apparatus with a pressure chamber connected to an ejection nozzle that applies pressure to liquid that causes the liquid to be ejected from the nozzle. An actuator is provided to vibrate a free surface of the liquid in the nozzle without ejecting t... | 04/27/2010 |
| 7703878 | Liquid discharging apparatus and method for detecting malfunctioning nozzles on the basis of image data To shorten time for an abnormal discharge test and time for cleaning; and to reduce the amount of drain ink used at the time of the abnormal discharge test and the cleaning. A liquid drop discharging apparatus comprising: a plurality of nozzles that discharge liquid... | 04/27/2010 |
| 7690755 | Image-forming apparatus having purge/wiping mechanism An image-forming apparatus having an inkjet type printer is configured to prevent ink from being wastefully consumed through a purge processing. Before next purge processing is executed, test printing is carried out. The user looks at the result of the test printing... | 04/06/2010 |
