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| Number | Title | Issue Date |
| 7413358 | Armature damper, method of manufacturing armature damper, and dot head An armature damper according to the present invention acts to abut against the arm of an armature to stop the arm at a predetermined backward position. The armature damper is formed in a manner that the surface thereof abutting against the arm is formed by a rigid b... | 08/19/2008 |
| 7331726 | Armature, wire dot printer head and wire dot printer In order to obtain joining force endurable for high-speed printing and realize an enhancement in magnetic characteristic, a plate-like arm for supporting a printing wire is laminated with a magnetic circuit forming member that is composed by laminating plural plates... | 02/19/2008 |
| 7329059 | Wire dot printer head and wire dot printer A wire dot printer head of the present invention has an armature that has an arm supporting a printing wire and pivotably provided at the position opposite to the core, and a coil spring that one end comes in contact with the arm for urging the armature in the direc... | 02/12/2008 |
| 7314323 | Wire dot printer head and wire dot printer A wire dot printer head which has an armature spacer having plural notches accommodating support shafts of plural armatures respectively supporting a printing wire, and an abrasion preventive member provided between the armature spacer and a yoke holding the support... | 01/01/2008 |
| 7303251 | Inkjet printer cradle with integrated cartridge engaging mechanism A printer cradle complementary to an inkjet printer cartridge of a type including a pagewidth printhead and a printhead auxiliary member arranged to selectively perform a number of different functions in respect of the printhead, said cradle including a transmission... | 12/04/2007 |
| 7278794 | Wire dot printer head and wire dot printer In order to realize a stabilized pivotal movement of an armature to thereby obtain pivotal force required for high-speed printing, a pivot shaft is held such that an armature having an attracted face that is in contact with a core, that has a coil wound therearound ... | 10/09/2007 |
| 7258499 | Wire dot printer head and wire dot printer A wire dot printer head which has an armature spacer having plural notches accommodating support shafts of plural armatures respectively supporting a printing wire, and an abrasion preventive member provided between the armature spacer and a yoke holding the support... | 08/21/2007 |
| 7246960 | Print head A needle guide (5) is composed of a first guide wall (5a) and a second guide wall (5b) arranged at a distance x from each other. Each of these guide walls is formed with through holes through which needles penetrate and which exten... | 07/24/2007 |
| 7198418 | Printing apparatus, data processing method for printing apparatus, and printing system In a printing apparatus including a reception buffer which stores setting data and printing data of printing element arrays transmitted from a connected host device, and a printing buffer which stores the printing data of the printing element arrays in association w... | 04/03/2007 |
| 7137748 | Nitride layer forming method, magnetic circuit forming member, armature, wire dot printer head and wire dot printer In order to realize stable rocking operation of the armature and further obtain magnetic characteristics required for high-speed printing, the magnetic circuit forming member formed of magnetic material like a plate and having the through hole in the direction of th... | 11/21/2006 |
| 7134739 | Print engine with air-cleaned printhead A print engine includes a stepper motor that advances print media upon demand and simultaneously drives an air pump. A molding provides a receptacle that receives an impeller of the air pump, an air inlet pin that couples with an air filter located on a print cartri... | 11/14/2006 |
| 7133799 | Printhead assembly with composite support beam for a pagewidth printhead A pagewidth printhead assembly that includes a support beam assembly having a composite shell of metals selected so that the shell has a coefficient of thermal expansion substantially the same as that of silicon and a core located within the shell and defining a num... | 11/07/2006 |
| 7063410 | Ink jet apparatus A drop emitting apparatus including an ink jet printhead; a plurality of on-board ink reservoirs for supplying ink to the ink jet printhead; a plurality of remote ink containers; a plurality of ink supply conduits fluidically connected between the remote ink contain... | 06/20/2006 |
| 7048455 | Wire dot printer head with abrasion having magnetic permeability and hardness surface In order to realize a stable rocking operation of the armature for performing high-speed printing, between the armature spacer for accommodating and holding the support shaft of the armature which supports the printing wires, and the yoke for holding the support sha... | 05/23/2006 |
| 7037010 | Thermal printer The thermal printer of the invention comprises a frame, a print head tiltably mounted in the frame, and a spring carried by the frame and forming a member for urging the print head into its printing position, with a flexible sheet of conductors terminating at the pr... | 05/02/2006 |
| 7018116 | Armature, wire dot printer head and wire dot printer In order to enhance magnetic characteristic to realize a stabilized pivotal movement of an armature and to obtain magnetic characteristic required for high-speed printing, an armature according to the present invention has a magnetic circuit forming member formed by... | 03/28/2006 |
| 7010456 | Printhead assembly with support shell for pagewidth printhead A pagewidth printhead assembly (1) includes at least one pagewidth printhead received in a printhead supporting shell (4). The shell comprises a longitudinal laminated structure defining an interior space and formed from continuous layers of at least t... | 03/07/2006 |
| 6994482 | Wire dot printer head and wire dot printer In order to restrain a flux loss for obtaining magnetic characteristic required for high-speed printing, a wire dot printer head has armature 4 having a pivot shaft serving as a center of a pivot and pivotably provided so as to oppose to plural cores formed o... | 02/07/2006 |
| 6960036 | Adjustment method of printing positions, a printing apparatus and a printing system By using an ink jet head, which has for each color two parallel columns of nozzles arranged side by side in the main scan direction and shifted from each other by one-half the pitch at which the nozzles are arranged in each column, odd-numbered rasters and even-numb... | 11/01/2005 |
| 6872016 | Impact dot print head and a printer including the same In an impact dot print head there is provided a fitting structure for fitting an inner periphery-side cylindrical portion of a yoke and an inner periphery-side ring-shaped portion of an armature spacer with each other so that the inner periphery-side cylindrical por... | 03/29/2005 |
| 6848843 | Wire dot printer head and wire dot printer A wire dot printer head of the present invention is configured by being provided with an abrasion preventive member which surrounds an outer circumference of support shafts of a plurality of armatures, between an armature spacer having a plurality of cutouts for res... | 02/01/2005 |
| 6830393 | Printing method, printing device and time recorder A printing method for a dot impact type printer including a printer head with a plurality of printing pins arrayed; a moving mechanism for the printer head, and a control unit for controlling printing operation of the printing pins and the moving mechanism of the pr... | 12/14/2004 |
| 6801335 | Method of controlling impact printer noise A method of controlling noise in an impact printer that modulates the input pulse to the power amplifier of the printer. The resulting current waveform is then applied to the print wire solenoids. The final shape of the force input to the platen reduces or spreads t... | 10/05/2004 |
| 6698956 | Wire dot printer head In the wire dot printer head of the present invention, an armature adapted to move pivotally between a printing position and a stand-by position is provided with a pivot shaft serving as a fulcrum, and the pivot shaft is pinched and supported by a pair of... | 03/02/2004 |
| 6695495 | Constant density printer system An ink density closed loop control system for an ink ribbon of an impact printer having a reservoir roller formed of an ink absorbent material with at least one or more channels within the reservoir roller fluidly connected to a pump and ink supply. A tra... | 02/24/2004 |
| 6682233 | Supporting structure of an armature of a wire dot printer head In a wire dot printer head of the present invention, an armature is formed by coupling a magnetic circuit formation member having a supported piece with one end inserted into a cavity formed on a surface of a yoke to an arm coupled to a wire. The supporte... | 01/27/2004 |
| 6609845 | Printing apparatus and image data processing method therefor A printing apparatus, which performs printing by using a full-line type printhead, prints an image in accordance with an attachment angle of the printhead, and automatically performs registration adjustment when using plural printheads. In the apparatus, ... | 08/26/2003 |
| 6588952 | Ink feed arrangement for a print engine An ink feed arrangement for feeding ink to a printhead of a print engine includes a spine portion. A casing is mounted over the spine portion, the spine portion and the casing defining a plurality of parallel, but isolated, ink supply galleries. A plurali... | 07/08/2003 |
| 6412938 | System and method for reducing inter-color bleeding in liquid ink jet printing Printing systems and methods that reduce inter-color bleeding between dark and light colored inks without losing productivity of a color ink jet printer by distributing the printing of a total amount of black ink required in a single swath over multiple p... | 07/02/2002 |
| 6353481 | Technique for correcting printing errors in a shuttle type multifunctional apparatus In a technique for correcting printing errors in a shuttle type multifunctional apparatus, a preset reference pattern is printed and the printed reference pattern is scanned. Then, the number of dots are detected as errors between the original reference p... | 03/05/2002 |
| 6254291 | Dot-impact printing head control apparatus A printing head control apparatus 10 is used for a dot-impact printer in which a dot is formed on a paper set on a platen via an ink ribbon 16 with an impact force applied by a pin 18. The printing head control apparatus 10 comprises: a dot classifier for... | 07/03/2001 |
| 5924804 | Information recording head An information recording head of an information recording apparatus for recording information on a record medium by a dot matrix method is provided with: a holding member movable in a scanning direction relative to the record medium in the information rec... | 07/20/1999 |
| 5846004 | Impact print head A construction of dot matrix print head is disclosed in which a plurality of body elements, each carrying print wire actuators, are arranged in stacked formation. The body elements and the arrangement of actuators is identical so that by offsetting the bo... | 12/08/1998 |
| 5841954 | Dot printers with width compression capabilities A printer for printing font and/or barcode character bars comprised of a plurality of rows in a direction of printing movement perpendicular to the character bars which are in turn comprised of a plurality of close adjacent dots to improve print quality a... | 11/24/1998 |
| 5627947 | Variable-duration printer carriage motor acceleration method and apparatus Method and apparatus are described for accelerating a printer carriage motor for variable durations depending upon the available time between a lateral carriage stop and the first data to be printed in a given swath. The printer's controller is programmed... | 05/06/1997 |
| 5611631 | Impact printer with reduced electrocorrosion using Zener diode for static discharge An impact printer has a print head in which demagnetizing coils are embedded in a filling compound. A resistor or Zener diode is connected in series between the print head and the printer's frame ground, to prevent current flow through the filling compoun... | 03/18/1997 |
| 5556211 | 24 pin dot printer head and method of making the same A method for manufacturing a print wire for a 24-pin dot printer head comprises the steps of first annealing an oil temper thin elongated wire rod at a predetermined rate to remove internal strains and eliminate distortions and imperfections after the oil... | 09/17/1996 |
| 5524991 | Printing head having a armature backstop A printing head comprising a plurality of armatures which are arranged radially and which are swingable before and behind, an armature stopper having armature abutting portions of cantilever type provided in projection toward a center in a radial directio... | 06/11/1996 |
| 5200764 | Print head assembly for use in an ultrasonic printer The present invention relates to a print head assembly for use in an ultrasonic printer. The print head assembly comprises at least one print head which is slidably mounted in a block which is slidably secured in the ultrasonic printer. Each print head co... | 04/06/1993 |
| 5152620 | Matrix printer employing a matrix print head on a movable slider having sound insulating material A matrix printer is furnished with a matrix print head (1) supported on a back and forth movable slider (2), guided on a rail guide (3), wherein the print elements (4) can be operated at a high frequency. A matrix print head (1), disposed fixedly in its p... | 10/06/1992 |
