| Patent Number |
Title Of Patent |
Date Issued |
| 7424257 |
Paper guide device and image forming apparatus having the same |
September 9, 2008 |
| A paper guide device which guides a sheet of paper fed to a nip between an image belt and a transfer roller and an image forming apparatus including the same. The paper guide device includes a first convey guiding unit arranged within a predetermined space from an image belt to firstly |
| 7379276 |
Magnetic recording head having a plurality of shield layers |
May 27, 2008 |
| Provided is a magnetic recording head including a return pole, a writing pole spaced by a predetermined distance from the return pole, an induction writing coil for inducing a magnetic field to be formed across the writing pole, and a plurality of shield layers formed on the writing |
| 7372757 |
Magnetic memory device with moving magnetic domain walls |
May 13, 2008 |
| A magnetic memory device includes a plurality of first metal lines arranged in parallel on a substrate and including a plurality of magnetic domains with variable magnetization directions. A plurality of second metal lines is arranged on the substrate perpendicular to the first metal |
| 7113730 |
Apparatus for preventing developer wraparound in wet electrophotographic printer |
September 26, 2006 |
| An apparatus prevents developer wraparound in a wet electrophotographic printer using wraparound preventing units. Each of the wraparound preventing units has varied diameter parts formed at both ends of a developing roller, and matching parts formed at both ends of a metering roller |
| 7075199 |
Reciprocating motor and reciprocating compressor having the same |
July 11, 2006 |
| Disclosed are a reciprocating motor and a reciprocating compressor having the same. The reciprocating motor comprises: an outer stator; an inner stator arranged at an inner circumferential surface of the outer stator with an air gap and at which a winding coil is wound; and a magnet |
| 7020011 |
High density magnetoresistance memory and manufacturing method thereof |
March 28, 2006 |
| A high density magnetoresistance memory and a manufacturing method thereof are provided. The magnetoresistance memory includes: a memory cell storing information; a conductive line contacting the memory cell to change the magnetization direction of the memory cell by generating a mag |
| 6947262 |
Magnetic reading head |
September 20, 2005 |
| A magnetic reading head is provided. The magnetic reading head reads information recorded on a recording medium having a soft underlayer and a magnetic layer stacked on the soft underlayer, and includes a magneto-resistive element and a pair of shield layers. The magneto-resistive el |
| 6862419 |
Liquid image developing system having development roller partially soaked in developer |
March 1, 2005 |
| A liquid image developing system, including a cartridge in which a developer is stored; a supply line; a development container to which the developer is supplied from the cartridge through the supply line; a photosensitive body in the development container; a development roller parti |
| 6766130 |
Liquid developer imaging system |
July 20, 2004 |
| A liquid developer imaging system and a method using the system for developing an image, including a cartridge for containing a developing solution; a developing container for receiving the developing solution supplied from the cartridge via a predetermined supply line; a developing |
| 6754465 |
Liquid image forming apparatus having squeeze unit |
June 22, 2004 |
| A liquid image forming apparatus. A developing unit of the liquid image forming apparatus includes a developing container in which a developer is received, a developing roller having a portion which is dipped in the developer of the developing container, which is installed to be opposite |
| 6704531 |
Developing system having metering blade with spaced intersecting faces |
March 9, 2004 |
| A developing system of a liquid electrophotographic image forming device. The developing system includes a development container in which a developer is stored, a development roller which rotates opposite to a photosensitive body, and being partially soaked in the development contain |
| 6700739 |
Magnetic head with upper pole of varying cross-sectional thickness |
March 2, 2004 |
| A magnetic head including an upper pole and a lower pole for generating a leakage magnetic flux to magnetize a recording medium to have a predetermined pattern, wherein the upper pole has a structure in which the central portion of a side opposite to the recording medium is thicker than |
| 6694113 |
Ink delivery system and ink delivery method of liquid -type electrophotographic printer |
February 17, 2004 |
| The present invention provides an ink delivery system and an ink delivery method of a liquid-type electrophotographic printer which are adapted to detect whether or not liquid in any one of containers which supply ink and a solvent to circulation tanks is exhausted without installing sep |
| 6683748 |
Vertical writing type magnetic head |
January 27, 2004 |
| Provided is a vertical writing type magnetic head including a substrate, a bottom pole formed on the substrate, and a top pole aligned with and spaced a predetermined distance apart from the bottom pole, wherein the bottom pole has a narrower width than the top pole. The magnetic write |
| 6650510 |
Magnetic head with poles of inductive head above mr head and magnetic shield above inductive hea |
November 18, 2003 |
| Provided is a magnetic head including a bottom pole, a top pole spaced a predetermined distance apart from the bottom pole, an inductive write coil for forming a magnetic field at the bottom and top poles, and a magnetic shield layer positioned over the top pole. |
| 6640074 |
Developing system of liquid electrophotographic image forming device |
October 28, 2003 |
| A developing system of a liquid electrophotographic image forming device includes a developer reservoir in which a developer is stored, a development container in which the developer is supplied from the developer reservoir, a development roller rotating opposite to a photosensitive |
| 6459871 |
Photosensitive belt cartridge of electrophotographic image forming apparatus and photosensitive |
October 1, 2002 |
| A photosensitive belt installation device of an electrophotographic image forming apparatus that includes a soft cartridge which rolls up for storage, and an installation guide member which selectively attaches to the image forming apparatus. When unrolled, the cartridge, allows the |
| 6371044 |
Wax coating device for a wet type electrophotographic color printer |
April 16, 2002 |
| A wax coating device for a wet type electrophotographic color printer is capable of preventing the coating operation when printed matter is not supposed to be wax-coated. The wax coating device includes: a coating roller rotatably disposed so as to be partially immersed in the wax of a |
| 6070869 |
Paper reversing apparatus of a printer for printing both sides of a paper |
June 6, 2000 |
| An apparatus is provided for reversing a paper in a printer so as to allow printing of both sides of the paper by a printing unit. A resupplying member feeds unprinted paper to a paper feeding guide coupled to a printing unit and reversing guide. The reversing guide reverses the prin |
| 5964152 |
Method for printing both sides of paper in a printer |
October 12, 1999 |
| A method for printing both sides of a paper in a printer includes the steps of (1) providing a paper supply portion for guiding the entry of paper into a printing unit, a paper output portion for guiding the paper from the printing unit to be output from the printer, and a reversing port |
| 5940671 |
Printer with transfer unit support and adjustment |
August 17, 1999 |
| A wet electrophotographic printer includes a plurality of electrostatic latent image forming units for forming an electrostatic latent image on a photosensitive belt on an endless track, a developer for fixing a developing solution on a portion of the belt where the electrostatic lat |
| 5791709 |
Semiconductor manufacturing apparatus having suctorial means for handling wafers |
August 11, 1998 |
| A semiconductor manufacturing apparatus using a suctorial device for handling wafers includes a main vacuum line, a manufacturing apparatus for performing predetermined manufacturing processes with respect to the wafers, and a vacuum line for connecting the main vacuum line to the su |
