Abstract: Provided is a development cartridge capable of being detachably attached to a main body of an image forming apparatus, the development cartridge including a developing roller; a driving power receiving member configured to rotate in a first direction or a second direction by receiving a driving power from the main body; and a power delivery member configured to connect the driving power receiving member to the developing roller and to deliver only torque of the driving power receiving member in the first direction to the developing roller.

Abstract: Provided is an apparatus for controlling an inverter current, and more particularly, to a current controlling apparatus for controlling current of a switching element of an inverter that outputs a 3-phase alternating current. The apparatus for controlling an inverter current includes: an inverter comprising a plurality of current detection switching elements capable of detecting switched and output current, converting a direct current voltage into a 3-phase alternating current by turning the plurality of current detection switching elements on and off; an AD converter for directly receiving an input of an output current of an output terminal of each of the plurality of current detection switching elements as a detection current and converting the detection current into a detection signal value in digital form; and a control unit for controlling on and off of the plurality of current detection switching elements by using the detection signal value.

Abstract: Disclosed is an apparatus of fabricating a terminal plate product according to an exemplary embodiment of the present invention.

Abstract: Disclosed is a method of fabricating terminal plate materials according to an exemplary embodiment of the present invention. The method of fabricating terminal plate materials includes: a first drawing process of making a metal wire pass through a first die having a circular hole with a smaller diameter than the metal wire to generate a first metal drawing material having a cross-sectional shape, which corresponds to the circular hole; a rolling process of making the first metal drawing material generated by the first process pass between at least two rollers that rotate to generate a metal rolling material; and a second drawing process of making the metal rolling material pass through a second die having a predetermined cross-section to generate a second metal drawing material having a cross-sectional shape, which corresponds to the predetermined cross-section.

Abstract: Disclosed is a method of fabricating a terminal plate according to an exemplary embodiment of the present invention. The method of fabricating a terminal plate includes: a material supplying step of transporting a metal drawing material having a cross-section having a quadrangular shape or a multi-step shape based on a predetermined transport condition; a piercing step of generating a hole in the metal drawing material transported to the location of a piercing unit based on a predetermined piercing condition; and a cutting step of cutting the metal drawing material with the hole, which is transported to the location of a cutting unit based on a predetermined cutting condition.

Abstract: A surface inspection apparatus and method of inspecting chip surfaces includes a laser generator that generates a periodic CW laser and is transformed into an inspection laser beam having a beam size smaller than a surface size of the chip. Thus, the inspection laser beam is irradiated onto a plurality of the semiconductor chips such that the semiconductor chips are partially and simultaneously heated. Thermal waves are detected in response to the inspection laser beam and thermal images are generated corresponding to the thermal waves. A surface image is generated by a lock-in thermography technique and hold exponent analysis of the thermal image, thereby generating surface image in which a surface defect is included. Time and accuracy of the surface inspection process is improved.

Abstract: A cartridge that is attached to or detached from a main body of an image forming apparatus. The cartridge includes a memory unit that includes a contact portion via which the cartridge is connected to the main body and is connected to the main body to transmit information of the cartridge to the main body. The contact portion is moved to a first position at which the contact portion is hidden inside the cartridge and a second position at which the contact portions is protruded out of the cartridge to be connected to a connection portion provided in the main body.

Abstract: Provided is a developing cartridge including a photosensitive unit and a developing unit connected to each other to rotate to a developing location and a non-developing location. An elastic member applies an elastic force to the developing unit and the photosensitive unit in a direction of rotating to the developing location. The developing cartridge includes a nip separating portion switched to a nip forming location where the developing unit is located at the developing location and to a nip separating location where the developing unit is located at the non-developing location, a manipulation portion for switching the nip separating portion to the nip forming location and to the nip separating location by a manual manipulation, and a nip forming unit for switching the nip separating portion from the nip separating location to the nip forming location as the photosensitive unit and the developing unit start to operate.

Abstract: Provided is a developing cartridge including a photosensitive unit and a developing unit connected to each other to rotate to a developing location and a non-developing location. An elastic member applies an elastic force to the developing unit and the photosensitive unit in a direction of rotating to the developing location. The developing cartridge includes a nip separating portion switched to a nip forming location where the developing unit is located at the developing location and to a nip separating location where the developing unit is located at the non-developing location, a manipulation portion for switching the nip separating portion to the nip forming location and to the nip separating location by a manual manipulation, and a nip forming unit for switching the nip separating portion from the nip separating location to the nip forming location as the photosensitive unit and the developing unit start to operate.

Abstract: A cartridge that is attached to or detached from a main body of an image forming apparatus, including: a memory unit that includes a contact portion via which the cartridge is connected to the main body and that is connected to the main body to transmit information of the cartridge to the main body; and a moving member on which the contact portion is mounted, wherein the moving unit is moved to a second position where the contact portion is protruded out of the cartridge in order to be connected to a connection portion provided in the main body and a first position that is hidden inside the cartridge.

Abstract: Provided is a silicon oxide for an anode of a secondary battery, having a good mechanical lifespan and electrical properties, and a method for preparing the same and an anode of a secondary battery using the silicon oxide. According to the method, a mixture is prepared by mixing SiCl4 and ethylene glycol, a gel is manufactured by stirring the mixture, and the gel is heat treated to prepare silicon oxide for an anode of a secondary battery.

Abstract: The present invention relates to a solar power generation apparatus, which comprises: torque tubes which are arranged to form a plurality of columns; a plurality of solar panels which are installed along each torque tube; posts which rotatably support each torque tube; lever arms which are coupled with each torque tube; a linkage which is disposed on the lower side of the torque tubes and is connected to each lever arm; an actuator which reciprocates the linkage in the longitudinal direction of the linkage, thereby rotating the torque tubes around an axis based on the longitudinal direction of the torque tubes; and a bed frame which is installed between some of the plurality of posts, wherein the actuator is supported thereon.

Abstract: A cartridge that is attached to or detached from a main body of an image forming apparatus. The cartridge includes a memory unit that includes a contact portion via which the cartridge is connected to the main body and is connected to the main body to transmit information of the cartridge to the main body. The contact portion is moved to a first position at which the contact portion is hidden inside the cartridge and a second position at which the contact portions is protruded out of the cartridge to be connected to a connection portion provided in the main body.

Abstract: A cartridge that is attached to or detached from a main body of an image forming apparatus, including: a memory unit that includes a contact portion via which the cartridge is connected to the main body and that is connected to the main body to transmit information of the cartridge to the main body; and a moving member on which the contact portion is mounted, wherein the moving unit is moved to a second position where the contact portion is protruded out of the cartridge in order to be connected to a connection portion provided in the main body and a first position that is hidden inside the cartridge.

Abstract: A surface inspection apparatus and method of inspecting chip surfaces includes a laser generator that generates a periodic CW laser and is transformed into an inspection laser beam having a beam size smaller than a surface size of the chip. Thus, the inspection laser beam is irradiated onto a plurality of the semiconductor chips such that the semiconductor chips are partially and simultaneously heated. Thermal waves are detected in response to the inspection laser beam and thermal images are generated corresponding to the thermal waves. A surface image is generated by a lock-in thermography technique and hold exponent analysis of the thermal image, thereby generating surface image in which a surface defect is included. Time and accuracy of the surface inspection process is improved.

Abstract: A developing unit includes a toner storage portion for containing toner and a development portion for containing the toner supplied from the toner storage portion. The development portion includes a developing roller for supplying the toner to a photosensitive body, a supply roller and an auxiliary supply roller. The supply roller and the auxiliary supply roller rotate while facing each other to supply the toner to the developing roller. In the developing unit, an inequality that |D?(R1+R2)|?1.0 mm is satisfied, where a distance between the centers of the auxiliary supply roller and the supply roller in a region where the auxiliary supply roller and the supply roller face each other is D, a radius of the supply roller is R1, and a radius of the auxiliary supply roller is R2.

Abstract: A developing unit includes a toner storage portion containing toner and including a toner supply member, a development portion disposed above the toner storage portion and containing the toner supplied from the toner storage portion by the toner supply member, and including a developing roller and a supply roller to supply the toner to the developing roller, and a partition wall to divide the toner storage portion and the development portion, and including an opening portion disposed under the lowest portion of the supply roller and forming a path of the toner supplied from the toner storage portion to the development portion.

Abstract: Provided is a silicon oxide for an anode of a secondary battery, having a good mechanical lifespan and electrical properties, and a method for preparing the same and an anode of a secondary battery using the silicon oxide. According to the method, a mixture is prepared by mixing SiCl4 and ethylene glycol, a gel is manufactured by stirring the mixture, and the gel is heat treated to prepare silicon oxide for an anode of a secondary battery.

Abstract: A synthetic resin bearing for a photovoltaic tracking system includes first and second bearing members coupled with each other for forming a bearing assembly. Each of the first and second bearing members has a pair of side plate members facing each other. A friction member is positioned between outer peripheral portions of the pair of side plates has an arc-shaped section. A reinforcement member connects the pair of side plates and the friction member, and the first and second bearing members have a coupling protrusion and a concave portion for receiving the coupling protrusion.

Abstract: Acrylic fine particles formed by polymerization of a (meth)acrylate containing monomer with a cross-linking agent are disclosed. The cross-linking agent includes a first cross-linking agent having at least three (meth)acryloyloxy groups and at least one functional group —OH, —COOH, or a combination thereof, and the acrylic fine particles can have a coefficient of variation (C.V.) of about 20 to about 60%. The acrylic fine particles can have high heat resistance and solvent resistance and also enhanced compatibility with a binder and a solvent. Accordingly, the acrylic fine particles can exhibit remarkably increased dispersibility when used in a diffusing film or the like, and thus are suitable for use as a diffusing agent.