Patent application number | Description | Published |
20090026885 | ACTUATING DEVICE, FABRICATING METHOD THEREOF, AND MODULE VARIATION CONTROL DEVICE USING THE ACTUATING DEVICE - An actuating device is provided, which includes a deformable membrane, walls formed on the membrane to define cavities, rods formed within the cavities, and on the surface of the membrane on one side with reference to a cavity center, to move in association with the deformation of the membrane, and an actuating unit formed on a lower side of the membrane to be piezoelectrically driven to deform the membrane. The actuating device is applicable to miniaturized electronic devices and can actuate the function modules appropriately. | 01-29-2009 |
20090080049 | 2-AXIS DRIVING ELECTROMAGNETIC SCANNER - A 2-axis driving electromagnetic scanner, having a structure in which a mirror is separated from a driving unit and directly driven, is provided. The electromagnetic scanner includes: an outer driving unit which is capable of rotating around a first axis; an inner driving unit which is suspended from the outer driving unit so as to rotate around a second axis perpendicular to the first axis; and a stage which is located on an upper surface of the inner driving unit so as to rotate together with the inner driving unit. In the electromagnetic scanner, the stage is connected to the inner driving unit by a link unit protruding from a center of a lower surface of the stage. | 03-26-2009 |
20090179992 | DRIVING SYSTEM AND HAND TREMOR COMPENSATING APPARATUS ADOPTING THE SAME - A driving system is provided. The driving system includes a fixed substrate, a coil unit which generates an electromagnetic force if an electric current applied, a magnet unit formed on the fixed substrate to face the coil unit, and a plurality of driving units which are interconnected with each other on the fixed substrate, and which are moved respectively in parallel direction with respect to a surface of the fixed substrate in accordance with an interaction between the electromagnetic force and a magnetic force of the magnet unit, if the electric current is applied. As a result, a non-contact driving is provided. | 07-16-2009 |
20100046054 | MEMS MIRROR, MIRROR SCANNER, OPTICAL SCANNING UNIT AND IMAGE FORMING APPARATUS INCLUDING THE OPTICAL SCANNING UNIT - Disclosed are several embodiments of a micro-electro-mechanical systems (MEMS) mirror and a mirror scanner employing the same. An optical scanning unit employing such mirror scanner and an image forming apparatus including the optical scanning unit are also disclosed. The MEMS mirror may include a movable unit, which may in turn include a mirror portion and a magnet frame portion. The mirror portion may have mirror surfaces on the face surface(s) thereof. The magnet frame portion may include an opening into which a magnet is received. The MEMS mirror may also include a first fixing end and a second fixing end, to which the moving unit may be elastically supported by one or more elastic members that allows oscillating or pivoting movement of the moving unit. | 02-25-2010 |
20100104330 | IMAGE FORMING APPARATUS AND METHOD OF CORRECTING COLOR REGISTRATION - Disclosed are an image forming apparatus capable of, and method of, improving color registration. The image forming apparatus can employ a beam deflector having a double-sided mirror portion that pivots to bi-directionally scan multiple light beams on multiple photosensitive media at different phases by using both mirror sides of the double-sided mirror portion. The individual monochromic images developed on the photosensitive media are transferred onto a transfer medium to overlap one another in phase to form a full color image. | 04-29-2010 |
20100304517 | MEMS DEVICE AND FABRICATION METHOD OF THE SAME - A microelectromechanical systems (MEMS) device includes a frame, an actuator formed on the same layer as the frame and connected to the frame to be capable of performing a relative motion with respect to the frame, and at least one stopper restricting a displacement of the actuator in a direction along the height of the actuator. The MEMS device is fabricated by bonding a second substrate to a first substrate, forming the frame and the actuator by partially removing the first substrate, and forming the at least one stopper by partially removing the second substrate. | 12-02-2010 |
20110058852 | CHARGING DEVICE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS INCLUDING THE SAME - A charging device and an electrophotographic image forming apparatus including the same. A charging electrode of the charging device includes a porous insulating layer including a plurality of hollow rods vertically formed on a substrate formed of a conductive material, and a conductive nano structure formed in the hollow rods of the porous insulating layer. A grid electrode is supported by a spacer and is separated from the nano structure of the charging electrode. Furthermore, the charging electrode of the charging device may include a plurality of protrusions formed on a substrate, a porous insulating layer formed on the plurality of protrusions, and a conductive nano structure formed in hollow rods of the porous insulating layer. | 03-10-2011 |
20130064587 | IMAGE FUSING APPARATUS USING CARBON NANO-TUBE HEATER - An image fusing apparatus includes a heating belt including a resistance heating layer, an insulating layer formed on an inner surface of the resistance heating layer, and a release layer formed on an outer surface of the resistance heating layer; a heating supporting roller disposed (positioned) inside the heating belt and rotating with the heating belt; a pressing roller disposed (positioned) parallel to the heating supporting roller and in contact with the outer surface of the heating belt to form a nip; and an electricity supplying member to supply electricity to the resistance heating layer of the heating belt. A thickness of paper non-contact areas of opposite side end portions of the resistance heating layer of the heating belt is the same as or thicker than the thickness of a paper contact area of a middle portion of the resistance heating layer thereof. | 03-14-2013 |
20130253271 | ENDOSCOPE - Disclosed is an endoscope having a rotating device to axially rotate a bending member. The endoscope includes a flexible member which is freely bendable upon receiving external force, a bending member provided at a front end of the flexible member, the bending member being bendable with one degree of freedom, a rotating device rotatably coupled to the flexible member in an axial direction of the flexible member and serving to rotate the bending member in the axial direction, and an operating unit connected to the rotating device and having a rotation operation unit to rotate the rotating device. | 09-26-2013 |