Abstract: Disclosed are a fusing unit, an image forming apparatus employing the fusing unit and a method of controlling the same. The fusing unit disclosed herein includes a heating belt having a non-conductive outer surface and a pressing roller that allows a print medium to be in pressing contact with the outer surface of the heating belt. A negative voltage or a positive voltage is selectively applied to the pressing roller based on the presence of a print medium between the pressing roller and the heating belt.

Abstract: Disclosed is a method of forming characters for microprint and an image forming apparatus using the same. The method of forming characters for microprint includes determining for every image character a size font taking into account the rules to create small prints, rasterizing a character into a bitmap, skeletonizing the bitmap, reformatting the bitmap maintaining a character legibility, storing the bitmap, and forming halftoning cells from the reformatted bitmap.

Abstract: A headchip and a head of an array type inkjet printer. The headchip of the array type inkjet printer according to an exemplary embodiment of the present general inventive concept includes an ink supply unit which is arranged into first nozzle groups and second nozzle groups according to colors, and a power supply unit to supply power to the plurality of first and second nozzle groups in an alternate order, in which the first and second nozzle groups for one color and the first and second nozzle groups for another color closest in proximity to the one color, are connected using one power line. Accordingly, a voltage drop may be avoided when the plurality of nozzles are driven at the same time.

Abstract: Disclosed is a light scanner with improved assembling datums of optical components. In the light scanner, an assembling datum with respect to a support body of an optical component is positioned between two ends of the optical component, for example, adjacent the central portion of the optical component. Accordingly, even when the lens is displaced, the change in an optical path may be reduced to mitigate the degradation in the image quality.

Abstract: A magnetic memory device and a method of fabricating the same. The magnetic memory device includes a free layer, a write element, and a read element. The write element changes the magnetization direction of the free layer, and the read element senses the magnetization direction of the free layer. Herein, the write element includes a current confinement layer having a width smaller than the minimum width of the free layer to locally increase the density of a current flowing through the write element.

Abstract: An image forming apparatus includes driving device frame having a base plate on which is formed integrally with the base plate one or more supporting shafts for supporting one or more power transmission members that transmit driving power from a driving source to driven bodies of the image forming apparatus.

Abstract: Disclosed are a fusing device and an image forming apparatus employing the fusing device. The fusing device includes a belt having a closed loop configuration, a first roller rotatably disposed inside the loop defined by belt. The first roller includes heat absorbent layer. The fusing device further includes a second roller rotatably disposed outside the loop of the belt, the first and second rollers each make pressing contact with the portion of the belt that passes between them to form the fusing nip. The heat absorbent layer of the first roller provides heat for the fusing nip.

Abstract: Disclosed are an image forming apparatus of improved power transmission structure and a developing cartridge thereof. The image forming apparatus may include a main body; a driving unit which includes a driving shaft mounted to the main body and a driving coupler connected to the driving shaft. The driving coupler may be provided with a plurality of driving tips. The image forming apparatus may further include a consumable unit that may be detachably received in the main body. The consumable unit may include a driven shaft, a rotating body rotating with the driven shaft and a passive coupler rotating with the driven shaft. The passive coupler may be provided with a plurality of passive tips. The plurality of driving tips and the plurality of passive tips may come into engaging contact with each other when the consumable unit is operably received in the main body, and may remain in the engaging contact even when the respective rotational axes of the driving shaft and the driven shaft intersect with each other.

Abstract: A global positioning system using Bluetooth technology, including: a first Bluetooth master that receives satellite orbit information; a Bluetooth slave that communicates with the first Bluetooth master in a Bluetooth protocol; and a second Bluetooth master that transmits an inquiry code for communication with the Bluetooth slave in the Bluetooth protocol. The second Bluetooth master provides positioning information by requesting the satellite orbit information from the first Bluetooth master through the Bluetooth slave and transmitting the satellite orbit information to the second Bluetooth master through the Bluetooth slave.

Abstract: A wireless media player and a related system and methodology are disclosed. One aspect of the wireless media player system pertains to a virtual connector system, apparatus, and method for the automatic establishment of wireless connectivity with other electronic devices. In one embodiment, the media player device employs the use of integrated Radio Frequency Identification (RFID) technology to exchange communication settings, media capability, and other parameters with an external device that also has integrated RFID technology. The automatic exchange of settings and other information via a proximity-based RFID data exchange allows a media player to quickly establish a secure communication link with another device via a commonly supported wireless protocol such as Ultra Wideband (UWB) or Bluetooth. Another aspect of the media player system pertains to a method of using the captured media capability of the connecting device to customize certain menu options and software parameters in the media player.

Abstract: A scan unit having an electromagnetic interference (EMI) noise blocking unit and usable with an image forming apparatus includes a document plate supporting a document, a reading module which is disposed under the document plate, performs a reciprocating motion, and includes an image sensor that reads an image of the document and generates an image signal in response to the read image, a flexible flat cable (FFC) which is connected to the reading module and functions as a transfer path of power and the image signal, and an EMI noise blocking unit which blocks noise that occurs when the image signal of the reading module is transmitted.

Abstract: A method for recording a digital broadcast, and a digital broadcast recording using the method, includes: recording start location data of a plurality of programs recorded during a recording mode of the digital broadcast; and indicating start locations of the individual programs using the start location data during an edition mode of the recorded digital broadcast.

Abstract: An electronic apparatus capable of preventing a peak current from being introduced into internal units of the electronic apparatus when the internal units are simultaneously activated and a method to control one or more internal units thereof. The electronic apparatus includes at least one internal unit and a signal generator to generate a drive pulse having a width that gradually changes in an edge region and to drive the at least one internal unit. Accordingly a peak current is prevented from being introduced into the internal units by gradually increasing or decreasing the drive pulse to drive the internal units as time changes or by dividing the internal units into a block unit and sequentially providing the drive pulse to the internal units.

Abstract: A fusing unit and an image forming apparatus having the same. The fusing unit may include a heating roller, a fusing frame to which the heating roller may be mounted, a pivoting frame to mount to the fusing frame to be rotatable about the heating roller, and a plurality of pressure rollers to mount to the pivoting frame and to be elastically supported on an outer peripheral surface of the heating roller. When paper that undergoes serious curling beyond an appropriate level is used, the pressure rollers may rotate to allow paper having passed between the heating roller and the pressure rollers to move in a path rotated by an angle corresponding to a rotation angle of the pressure rollers. This exemplary embodiment may reduce paper jam.

Abstract: An image processing method includes determining one or more candidate pixels having variation of brightness in a first direction, among a plurality of pixels constituting an input image, the variation of brightness exceeding a first reference value, determining a certain region in which the total number of candidate pixels existing in a row of pixels in a second direction different from the first direction exceeds a second reference value, and generating an output image free from the determined certain region.

Abstract: A developing device detachably coupled to an electrophotographic image forming apparatus which includes a housing including a photoconductive drum and at least one roller; and an electrical contact member disposed in the housing, connected to the at least one roller, and formed of a conductive metallic plate to provide an electrical path between the at least one roller and a power supply when the developing device is attached to the electrophotographic image forming apparatus, wherein the electrical contact member includes a base including a coupling unit to engage with the housing, a first elastic member to bend from the base in a first direction; a second elastic member to bend from the first elastic member in a second direction and including a contact to contact the at least one roller; and an anti-deformation unit to bend from the base and to face a surface of the first elastic member in the second direction of the second elastic member to prevent the first elastic member from bending in the second direct

Abstract: A light scanning unit that includes: a light source unit for emitting first and second light beams; a beam deflector for deflecting the first and second light beams emitted from the light source unit; synchronization detection sensors for detecting scanning synchronization of the first and second light beams; and synchronization optical path converting members to deflect the first and second light beams toward the synchronization detection sensors. The optical paths of the portions of the first and second light are directed to come into close proximity with one another. The light scanning unit may be incorporated in an image forming apparatus.

Abstract: A method and apparatus to set printer driver information. The method includes detecting identification information to identify printer setup information selected in an application program, detecting a printer driver information corresponding to the detected identification information, and setting and storing the selected printer setup information as printer setup information of the detected printer driver information. When the user selects the printer setup information in a specific application program, the printer setup information setup in a printer folder is set as the printer setup information selected by the user. Specifically, when the user selects the default printer in the specific application program, the default printer of the printer driver information is set as the default printer selected by the user, so that the setup information selected in the application program is maintained as the printer driver information even after the application program is terminated.

Abstract: A printing apparatus includes a multifeed sensor to detect whether printing paper sheets are multifed, a measuring unit to measure an interval between the multifed paper sheets, if the multifeed sensor detects that the printing paper sheets are multifed, and a control unit to delay printing using the measured interval so that a lastly fed printing paper sheet is printed. As a result, a printing error due to multifeed of two or more printing paper sheets can be avoided.

Abstract: An isolation layer structure includes first to fourth oxide layer patterns. The first and third oxide layer patterns are sequentially formed in a first trench defined by a first recessed top surface of a substrate and sidewalls of gate structures on the substrate in a first region. The first trench has a first width, and the first and third oxide layer patterns have no void therein. The second and fourth oxide layer patterns are sequentially formed in a second trench defined by a second recessed top surface of the substrate and sidewalls of gate structures on the substrate in a second region. The second trench has a second width larger than the first width, and the fourth oxide layer pattern has a void therein.