Abstract: Disclosed herein is a method of managing a printing apparatus including a thermal print head. The method of managing a printing apparatus includes: starting, by the controller of a printing apparatus, the cleaning of a thermal print head when a predetermined condition is satisfied; selecting, by the controller, a cleaning method based on at least one the satisfied condition and previously stored information; and cleaning, by the controller, the thermal print head by driving at least one of heating elements, included in a plurality of recording elements constituting the thermal print head, according to the selected cleaning method.

Abstract: Disclosed herein is a device for fixing a platen roller for a printing apparatus. The device includes: a fixing frame installed in the housing of the printing apparatus; roller bearings respectively coupled to both ends of the platen roller in the longitudinal direction of the platen roller, and configured to allow the platen roller to be rotated; bearing holders installed on the fixing frame, and configured to provide coupling portions for the roller bearings and to allow the roller bearings to enter and exit in a horizontal direction corresponding to the longitudinal direction of the platen roller; and a locking part configured to fix the platen roller and the roller bearings to the bearing holders in the state of preventing the horizontal movement of the platen roller and the roller bearings while restraining at least one of the both ends of the platen roller to the bearing holder.

Abstract: Disclosed is a printing device including a main body portion including a body portion configured to provide an internal space in which recording paper for printing certain information thereon is transferred and an opening or closing portion configured to control opening or closing of the internal space, a printing portion configured to print the certain information on the recording paper transferred in the internal space, and a recording paper separation portion located on a downstream side of the printing portion and configured to cut or cut off and separate recording paper on which particular information is printed by the printing portion from the other recording paper. Here, the main body portion includes a protruding portion configured to prevent an adhesive attached to the surface opposite the adhesive surface from being accumulated by decreasing a contact area with the surface opposite the adhesive surface.

Abstract: Provided are a stack-type stator having coil patterns patterned on a multi-layer substrate, and a motor and a blower for an air purification system using the stator. A stack-type stator includes: a multi-layer substrate having first through holes; coil patterns formed on the respective substrates of the multi-layer substrate and spirally patterned to surround the first through holes and to form a plurality of turns; a stator yoke disposed at a lower portion of the multi-layer substrate and having second through holes at positions corresponding to the first through holes; and divided cores each having one side protruding above the coil patterns formed on the uppermost layer of the multi-layer substrate and the other side being coupled to one of the second through holes through one of the first through holes.

Abstract: Provided are a slim-type stator using a multilayer printed circuit board (PCB) capable of maximally generating torque in an opposite rotor and capable of increasing airflow, and a single-phase motor and a cooling fan using the same. The slim-type stator includes: a multilayer PCB; and a plurality of coil patterns formed on respective PCB layers of the multilayer PCB and connected via throughholes, wherein the multilayer PCB includes at least one protrusion corresponding to the plurality of coil patterns, and at least one recess disposed between the plurality of coil patterns.

Abstract: The paper cutting device includes: a lower frame configured such that a platen roller and a thermal head are disposed on the top surface thereof and provide a paper movement path and a drive unit is contained therein; an upper frame configured to form the paper movement path in association with the lower frame, and to open the paper movement path; a fixed cutter configured to be disposed on the upper frame, and to cut the roll paper; a movable cutter configured to be disposed on the lower frame, to cut the roll paper, and to allow the roll paper to move; and a jam control unit configured to detect a jam of the roll paper, and to detect the opening of the paper movement path and lower the movable cutter.

Abstract: Provided is a stacking-type stator including: a multi-layered substrate; coil patterns formed in a helical shape to form a plurality of turns on respective substrates of the multi-layered substrate and interconnected through conductive throughholes; a Hall sensor disposed in the multi-layered substrate and disposed at a position deviated from an interface of a magnetic pole of a rotor; and a dead point prevention yoke for setting the position of the rotor such that the Hall sensor is positioned at a position deviated from the interface of the magnetic pole of the rotor. The helical shape coil patterns include: radial direction pattern portions each disposed along a radial direction to generate a torque to rotate the rotor; and inner and outer connection pattern portions that interconnect the radial direction pattern portions and the coil patterns form a stator coil for a single phase motor.

Abstract: Provided are a slim-type stator using a multilayer printed circuit board (PCB) in which a coil pattern is patterned on an uppermost PCB layer and a sensing coil pattern for detecting a rotor rotation position is integrally formed in a margin of the uppermost PCB layer, to thereby realize sensorless driving simply, and a sensorless single-phase motor using the slim-type stator, and a cooling fan using the sensorless single-phase motor. The slim-type stator includes: a multilayer PCB; a coil pattern patterned on respective PCB layers of the multilayer PCB and connected through throughholes; and a sensing coil pattern formed on an uppermost PCB layer to detect a rotor rotation position, wherein the sensing coil pattern is positioned and set at a position deviated from a magnetic pole interface of a rotor that is positioned and set by a dead point prevention yoke when the rotor is in an initial state.

Abstract: A cleaning method of a thin film deposition chamber may include i) simultaneously providing oxygen plasma and fluorine plasma in a thin film deposition chamber to at least partially remove a first residue including carbon (C) and a second residue including silicon (Si) in the thin film deposition chamber, and ii) providing fluorine plasma without oxygen plasma in the thin film deposition chamber to remove the second residue remaining in the thin film deposition chamber.

Abstract: Provided is a stacking-type stator using a multilayer printed circuit board (PCB) in which torque generation can be maximized in an opposite rotor, and a single-phase motor and a cooling fan both using the same. The stacking-type stator includes: a multilayer printed circuit board (PCB) that is stacked and integrated with a penetration opening; and a coil pattern patterned on each layer of the multilayer PCB, wherein throughholes are formed to penetrate the multilayer PCB and connect the coil patterns, wherein the coil pattern comprises: inner and outer rotating direction pattern portions which are arranged in a circumferential direction at intervals along an inner circumference and an outer circumference concentrically with the penetration opening; and a radial pattern portion that interconnects the inner rotating direction pattern portion and the outer rotating direction pattern portion that are adjacent to each other and is disposed along the radial direction.

Abstract: Provided are a stack-type stator having coil patterns patterned on a multi-layer substrate, and a motor and a blower for an air purification system using the stator. A stack-type stator includes: a multi-layer substrate having first through holes; coil patterns formed on the respective substrates of the multi-layer substrate and spirally patterned to surround the first through holes and to form a plurality of turns; a stator yoke disposed at a lower portion of the multi-layer substrate and having second through holes at positions corresponding to the first through holes; and divided cores each having one side protruding above the coil patterns formed on the uppermost layer of the multi-layer substrate and the other side being coupled to one of the second through holes through one of the first through holes.

Abstract: Provided is a stacking-type stator including: a multi-layered substrate; coil patterns formed in a helical shape to form a plurality of turns on respective substrates of the multi-layered substrate and interconnected through conductive throughholes; a Hall sensor disposed in the multi-layered substrate and disposed at a position deviated from an interface of a magnetic pole of a rotor; and a dead point prevention yoke for setting the position of the rotor such that the Hall sensor is positioned at a position deviated from the interface of the magnetic pole of the rotor. The helical shape coil patterns include: radial direction pattern portions each disposed along a radial direction to generate a torque to rotate the rotor; and inner and outer connection pattern portions that interconnect the radial direction pattern portions and the coil patterns form a stator coil for a single phase motor.

Abstract: Provided are a slim-type stator using a multilayer printed circuit board (PCB) capable of maximally generating torque in an opposite rotor and capable of increasing airflow, and a single-phase motor and a cooling fan using the same. The slim-type stator includes: a multilayer PCB; and a plurality of coil patterns formed on respective PCB layers of the multilayer PCB and connected via throughholes, wherein the multilayer PCB includes at least one protrusion corresponding to the plurality of coil patterns, and at least one recess disposed between the plurality of coil patterns.

Abstract: Provided are a slim-type stator using a multilayer printed circuit board (PCB) in which a coil pattern is patterned on an uppermost PCB layer and a sensing coil pattern for detecting a rotor rotation position is integrally formed in a margin of the uppermost PCB layer, to thereby realize sensorless driving simply, and a sensorless single-phase motor using the slim-type stator, and a cooling fan using the sensorless single-phase motor. The slim-type stator includes: a multilayer PCB; a coil pattern patterned on respective PCB layers of the multilayer PCB and connected through throughholes; and a sensing coil pattern formed on an uppermost PCB layer to detect a rotor rotation position, wherein the sensing coil pattern is positioned and set at a position deviated from a magnetic pole interface of a rotor that is positioned and set by a dead point prevention yoke when the rotor is in an initial state.

Abstract: Provided is a stacking-type stator using a multilayer printed circuit board (PCB) in which torque generation can be maximized in an opposite rotor, and a single-phase motor and a cooling fan both using the same. The stacking-type stator includes: a multilayer printed circuit board (PCB) that is stacked and integrated with a penetration opening; and a coil pattern patterned on each layer of the multilayer PCB, wherein throughholes are formed to penetrate the multilayer PCB and connect the coil patterns, wherein the coil pattern comprises: inner and outer rotating direction pattern portions which are arranged in a circumferential direction at intervals along an inner circumference and an outer circumference concentrically with the penetration opening; and a radial pattern portion that interconnects the inner rotating direction pattern portion and the outer rotating direction pattern portion that are adjacent to each other and is disposed along the radial direction.

Abstract: A recording paper cutting device enables cutting of a boundary between a first area of a recording paper and a second area of the recording paper placed at an upstream side of the first area, so that the first area is separately discharged from the second area after the first area is printed. The recording paper cutting device includes first and second cutting parts. The first cutting part of the second cutting parts moves in an approaching or departing direction so that the boundary is cut. The first cutting part includes a first cutting surface inclined by a first angle in the departing direction from the second cutting part and a second cutting surface that extends from the first cutting surface and is inclined by a second angle, which is smaller than the first angle, in the departing direction from the second cutting part.

Abstract: A recording paper cutting device enables cutting of a boundary between a first area of a recording paper and a second area of the recording paper placed at an upstream side of the first area, so that the first area is separately discharged from the second area after the first area is printed. The recording paper cutting device includes first and second cutting parts. The first cutting part of the second cutting parts moves in an approaching or departing direction so that the boundary is cut. The first cutting part includes a first cutting surface inclined by a first angle in the departing direction from the second cutting part and a second cutting surface that extends from the first cutting surface and is inclined by a second angle, which is smaller than the first angle, in the departing direction from the second cutting part.

Abstract: A recording paper cutting device enables cutting of a boundary between a first area of a recording paper and a second area of the recording paper placed at an upstream side of the first area, so that the first area is separately discharged from the second area after the first area is printed. The recording paper cutting device includes first and second cutting parts. The first cutting part of the second cutting parts moves in an approaching or departing direction so that the boundary is cut. The first cutting part includes a first cutting surface inclined by a first angle in the departing direction from the second cutting part and a second cutting surface that extends from the first cutting surface and is inclined by a second angle, which is smaller than the first angle, in the departing direction from the second cutting part.

Abstract: A method and an apparatus for providing a channel service are disclosed. The method may generate a channel list including a channel number inputted by a user and a main viewing channel list and display together the channel list and the main viewing channel list. Here, the channel list includes at least one channel of which number starts from the inputted channel number, and the main viewing channel list includes one or more channels viewed mainly by the user with the received channel number.

Abstract: A recording paper cutting device enables cutting of a boundary between a first area of a recording paper and a second area of the recording paper placed at an upstream side of the first area, so that the first area is separately discharged from the second area after the first area is printed. The recording paper cutting device includes first and second cutting parts. The first cutting part of the second cutting parts moves in an approaching or departing direction so that the boundary is cut. The first cutting part includes a first cutting surface inclined by a first angle in the departing direction from the second cutting part and a second cutting surface that extends from the first cutting surface and is inclined by a second angle, which is smaller than the first angle, in the departing direction from the second cutting part.