| Patent Number |
Title Of Patent |
Date Issued |
| 7192114 |
Printing apparatus and printing method |
March 20, 2007 |
| A printing apparatus and printing method can realize high-quality printing without degrading the quality of a printed image even when a nozzle restriction function is adopted in addition to a discharge failure complement function. In a printing apparatus using an inkjet printhead hav |
| 7192112 |
Printing apparatus and method capable of complementary printing for an ink discharge failure noz |
March 20, 2007 |
| Disclosed are a printing apparatus and printing method which suppress degradation of the image quality caused by discharge failure complement. In the printing apparatus, virtual data are generated for predetermined dots in a scanning direction on the basis of printing data of a plurality |
| 7086710 |
Recording apparatus |
August 8, 2006 |
| In order to reduce emission noise, a recording apparatus uses a cycle controller to variably control a transmission cycle, when transmitting recording data to the recording head, and a head controller to control the recording head based on the controlled transmission cycle and the re |
| 6827413 |
Printing apparatus, control method of the apparatus, and computer-readable memory |
December 7, 2004 |
| When printing data is to be printed, the number of simultaneously driven printing elements of a plurality of printing elements of a printhead is discriminated. On the basis of the number of simultaneously driven printing elements discriminated and a fundamental pulse width changeably, |
| 6824235 |
Recording apparatus |
November 30, 2004 |
| In order to reduce emission noise, a recording apparatus uses a cycle controller to variably control a transmission cycle, when transmitting recording data to the recording head, and a head controller to control the recording head based on the controlled transmission cycle and the re |
| 6761424 |
Image print apparatus and control method thereof |
July 13, 2004 |
| This invention provides an image print apparatus capable of quickly reducing, with a low-cost arrangement, charges accumulated in a capacitor used for reducing variations in printhead voltage, and a control method thereof. After a head power supply V.sub.H which supplies power to the |
| 6661532 |
Printing apparatus |
December 9, 2003 |
| A printer, which enables complicated printhead controls without a complicated logic circuit, includes a data table showing a control pattern of six controls stored in a RAM. When a drive trigger is inputted into a read-trigger generator, an address generator generates the address of the |
| 6657156 |
Laser welding method and laser welding apparatus |
December 2, 2003 |
| A weld portion detector (20) and a laser beam projector (10) disposed a predetermined distance behind the weld portion detector (20) are moved together. The weld portion detector (20) detects a weld line and the laser beam projector (10) projects on the weld line detected by the weld por |
| 6637865 |
Liquid discharge head, driving method therefor, and cartridge, and image forming apparatus |
October 28, 2003 |
| A liquid discharge head comprises a plurality of main discharge ports arranged at predetermined intervals, at least one sub-discharge port arranged in the arrangement direction of the main discharge ports on both end sides of the arrangement direction of main discharge ports at inter |
| 6633018 |
Laser welding head with associated roller |
October 14, 2003 |
| A laser-welding head is capable of applying a fixed pressure to parts to be welded of workpieces regardless of the undulation of the surfaces of the parts to be welded. The laser-welding head includes a pressing device (12) having a roller (16) which rolls along parts of workpieces near |
| 6328401 |
Printer and printing control method |
December 11, 2001 |
| A printer and printing control method for improving throughput by performing efficient smoothing processing. The printer adopting the method monitors print data while it is transmitted from a receiving buffer 25a to a print buffer 25b, analyses the print data by a unit of one scanning ar |
| 6276776 |
Ink-jet printer and temperature control method of recording head |
August 21, 2001 |
| When the sub-heaters of recording heads are PWM controlled in a low-temperature environment, temperatures of the recording heads are respectively detected by temperature sensors. The number of recording heads to be heating controlled is determined from the detected recording head tem |
| 6226100 |
Printing apparatus and printing control method |
May 1, 2001 |
| A printing apparatus and a print control method for performing H-V conversion and minimum track printing at high speed. When printing is to be performed on a print medium by reciprocally scanning a printhead, image data is externally inputted, vertical and horizontal orientation of the |
| 6144460 |
Data processing method, and data processor and printer using data processing method |
November 7, 2000 |
| A data processing method which efficiently performs data transfer by using a data bus with an appropriate access width corresponding to transfer data and a printer using the data processing method. In the printer, a CPU bus 70 having a 16-bit physical bus width, is shared by a CPU 21 and |
| 6122699 |
Data processing apparatus with bus intervention means for controlling interconnection of plural |
September 19, 2000 |
| This invention has as its object to improve the net processing speed by appropriately assigning the DMA processing time for attaining high-speed processing using hardware, and the software execution time of a CPU. By interrupting the operation of one of a CPU and a DMA processor only whe |
| 6116711 |
Printer and printing control method according to detected amount of memory |
September 12, 2000 |
| A printer which enables flexible printing control to be performed in conformity with the capacity of a memory installed to satisfy the requirements of a user. In this printer, it is first determined whether the additional memory has been installed or not. Then, the printer further ex |
| 6062673 |
Recording apparatus and record data processing method |
May 16, 2000 |
| The present invention relates to a recording apparatus that includes a recording head capable of performing dot recording, a main scanner for scanning the recording head, and a data storage for storing data sent from a host computer. The apparatus can make a record according to stored da |
| 5938955 |
Consumable electrode type arc welding method and device |
August 17, 1999 |
| Provided is a consumable electrode type arc welding method and device in which stable welding can be performed at a high speed for a welding gap greater than a thickness of a base metal and the like, and welding conditions are automatically changed according to the welding gap along a |
| 5896146 |
Time division drive recording apparatus and method |
April 20, 1999 |
| A recording apparatus records an image by driving plural recording elements in blocks, into which the plural recording elements are divided. The plural blocks are divided into plural groups, each group having more than one block. A driving circuit drives each of the blocks independently. |
| 5873661 |
Recording apparatus capable of data-read control |
February 23, 1999 |
| A recording apparatus includes a recording head. The recording head is provided with a recording device string made up of a plurality of recording elements. The recording device string is arranged at a specified angle in relation to the direction perpendicular to the direction in which |
| 5864115 |
Consumable electrode type arc welding method and device |
January 26, 1999 |
| Provided is a consumable electrode type arc welding method and device in which stable welding can be performed at a high speed for a welding gap greater than a thickness of a base metal and the like, and welding conditions are automatically changed according to the welding gap along a |
| 5831646 |
Controlling a discharge recovery operation according to a condition relating to an ink cartridge |
November 3, 1998 |
| An ink jet printing apparatus has a discharge recovery system that controls the amount of ink suction in a discharge recovery operation on the basis of a property of the ink in a cartridge mounted on the apparatus. The discharge recovery operation can also be controlled when the power to |
| 5831642 |
Ink jet recording method and apparatus |
November 3, 1998 |
| Image data is thinned out by using thinning patterns having arrays not synchronized with an image data array according to an area gradation method at the same duty, and the resulting thinned image data is divisionally recorded on a predetermined area of a recording medium by using di |
| 5610634 |
Recording apparatus |
March 11, 1997 |
| A recording head having a plurality of recording elements arranged thereon is scanned in a direction different from the direction of arrangement of the recording elements to effect a main scan. The scan is started when one scan of print data is stored in a buffer memory. Further, when a |
| 5604520 |
Ink jet recording method using different mask patterns |
February 18, 1997 |
| An ink jet recording method records a color image on a recording medium while performing a main scan operation by using a first recording head having a plurality of ink eject orifices for ejecting an ink of a first color and a second recording head having a plurality of ink eject orifice |
| 5594478 |
Ink jet recording apparatus for divisionally driving a recording head with a plurality of ink je |
January 14, 1997 |
| An ink jet recording apparatus includes a recording head with a number of ink ejection orifices for ejecting ink. The number of ink ejection orifices are grouped into N blocks which can be driven simultaneously, are arranged in an eject orifice array and perform recording by divisionally |
| 5543826 |
Ink jet apparatus and method for recovery thereof |
August 6, 1996 |
| An ink jet apparatus carries out a recovery operation if a cap member is not capping a discharge opening when the ink jet apparatus is turned on. The recovery operation includes first wiping a discharge surface with a wiper member, next capping the discharge opening with the cap member, |
