| Patent Number |
Title Of Patent |
Date Issued |
| 6765698 |
Apparatus for driving scanner and method thereof |
July 20, 2004 |
| An apparatus for driving a scanner includes a driving motor which is rotated in both directions, a driving gear which is driven by the driving motor, a driving pulley which rotates a timing belt coupled to the scanner body, a reduction gear which is engaged with a gear portion of the dri |
| 6411405 |
Method and apparatus for correcting scanning errors in a shuttle type scanner |
June 25, 2002 |
| A method for correcting scanning errors in a shuttle type of a scanner, including the steps of scanning a pattern sheet on which pattern data having a specified shape are recorded. Errors for decline of the pattern data are corrected by using the pattern data having a straight line among |
| 6378980 |
Printer capable of preventing drying of nozzle and control method thereof |
April 30, 2002 |
| A printer that prevents the drying of nozzles of an unused micro injecting device in an inkjet printer provided with a plurality of micro injecting devices, during printing, and a control method thereof. The object of this invention is to prevent drying of nozzles without moving the micr |
| 6336695 |
Motor driving device and method |
January 8, 2002 |
| A motor driving device for changing the current of the driving control signal of the carrier motor according to the consumption quantity of the ink in the inkjet printer includes a detector of an ink consumption quantity for outputting a comparative signal when a present ink quantity |
| 6178003 |
Method of and apparatus for transmitting printer control file to printer |
January 23, 2001 |
| A method of transmitting a printer control file from a host computer to a printer includes the steps of: checking if a printer control file that is in the same format as stored in a non-volatile memory, has been amended; and if the printer control file is amended, storing the amended pri |
| 6054834 |
Control system for a step motor and method thereof |
April 25, 2000 |
| A control system of a step motor and a method thereof are capable of evenly maintaining a traveling distance and a torque in a moving section, especially in an accelerating section, by limiting a start excitation phase or a final stop phase to a specific phase, even though an excitation |
| 6015204 |
Method for sensing carriage position separation and compensating carriage position of an inkjet |
January 18, 2000 |
| A method for sensing separation of a carriage from a home position and compensating the home position by using a program stored at a microprocessor of an ink jet printer includes a home position separation sensing process which has the steps of: checking whether or not the ink jet pr |
| 5953024 |
Apparatus and method for determining initial position and protecting capping release error in in |
September 14, 1999 |
| An apparatus for determining an initial position and protecting a capping release error in an inkjet printer head which can constitute a sensor for determining a printing initial position and a device for preventing a capping state from being released during the head is at a homestation, |
