Patent application number | Description | Published |
20120139175 | APPARATUS FOR APPLYING MULTI-AXIAL INERTIAL FORCE - Disclosed herein is an apparatus for applying multi-axial inertial force, the apparatus including: a lower support plate; two first support members fixed to stand up from the lower support plate; a second support member positioned to be orthogonal to inner sides of the two first support member in a stand-up direction thereof and rotatably coupled to the first support member; and a third support member stacked on the second support member and coupled to the second support member so as to be rotatable based on a rotational axis corresponding to a stacked direction. Therefore, it is possible to obtain an apparatus for applying multi-axial inertial force in which vibration excitation and rotation may be performed in multiple-axes directions using a uni-axial inertial force generator that may be vibration-excited and rotated only in a single direction. | 06-07-2012 |
20120227488 | INERTIAL SENSOR - Disclosed herein is an inertial sensor including: a driving body displaceably supported on a flexible substrate part in a floating state; a displacement detection unit having a sensing electrode detecting displacement of the driving body; a vibrating part having a vibrating electrode vibrating the driving body; a differential amplifier connected to the sensing electrode and the vibrating electrode, and a circuit unit connected to the differential amplifier to calculate acceleration and angular velocity, wherein the acceleration is calculated by using the sensing electrode and the vibrating electrode. | 09-13-2012 |
20130068021 | INERTIAL SENSOR - Disclosed herein is an inertial sensor including: a sensor part including a driving body displaceably mounted on a flexible substrate part, a driving unit moving the driving body, and a displacement detection unit detecting a displacement of the driving body, wherein the inertial sensor includes an application specific integrated circuit (ASIC) including the sensor part coupled thereto; a printed circuit board including the ASIC coupled thereto and electrically connected to the sensor part and the ASIC by a wire; and a cap covering the sensor part and the ASIC and coupled to the printed circuit board, whereby the driving body and the flexing substrate part is protected and an interval between the driving body and the flexible substrate part is optimized to obtain efficient driving characteristics and a Q factor and improve a freedom of design in a space use. | 03-21-2013 |
20130152683 | INERTIAL SENSOR - Disclosed herein is an inertial sensor. The inertial sensor includes a sensing unit and a driving-mass-position initialization module. The sensing unit includes a driving mass, a flexible board unit which displaceably supports the driving mass, and a support which supports the flexible board unit to allow the driving mass to move in a suspended state. The flexible board unit has driving electrodes which move the driving mass, and sensing electrodes which sense the movement of the driving mass. The driving-mass-position initialization module includes a position initialization member which reciprocates to initialize the position of the driving mass, and a coil unit which surrounds the position initialization member. An initialization-member-receiving depression is formed in the driving mass. The shape of the initialization-member-receiving depression corresponds to that of the position initialization member. | 06-20-2013 |
Patent application number | Description | Published |
20110043933 | RENS MOVING MODULE - Disclosed herein is a Lens moving MODULE. The Lens moving MODULE includes a lens barrel having at least one lens which brings an image of a subject into focus. A housing having a space for the lens barrel, and friction member formed in axially. A piezoelectric actuator provided in an outer circumferential surface of the lens barrel, and generating vibration when external voltage is applied to the piezoelectric actuator, with a through hole formed for having the friction member. An elastic member include the friction member, and inserted into the through hole of the piezoelectric actuator, and applying the vibrations to the friction member. | 02-24-2011 |
20110091193 | LENS ACTUATING MODULE - A lens actuating module. The module includes a housing and a lens barrel. received in an accommodating space of the housing and having a lens therein. A driving unit applies a driving force to the lens barrel such that the barrel can be moved up in an optical axis direction by a pulling force of contraction of an SMA (shape memory alloy) wire fixed to the housing. A rotary member is interposed between the housing and the lens barrel. A preload unit pulls the lens barrel in the optical axis direction such that the lens barrel can move down to an original position, and pulls the lens barrel in a direction to perpendicular to the optical axis to maintain a contact of the lens barrel with the rotary member. The lens barrel is moved by the contracted or extended amount of the SMA wire, thus realizing a simple structure and miniaturization. | 04-21-2011 |
20110109968 | IMAGE STABILIZATION MECHANISM FOR CAMERA MODULE - Disclosed herein is an image stabilization mechanism for a camera module. The image stabilization mechanism includes a base, a movable stage receiving a lens barrel therein and having a magnet, and a piezoelectric actuator. The piezoelectric actuator is installed to the base, moves the movable stage in an X-axis or Y-axis direction to remove shake of the lens barrel, and maintains contact with the movable stage because of magnetic attractive force between the piezoelectric actuator and the magnet. The image stabilization mechanism reduces the number of components, thus simplifying the structure and minimizing an increase in height. | 05-12-2011 |
20110211821 | CAMERA MODULE WITH ANTI-SHAKE DEVICE - The present invention relates to a camera module equipped with a vibration compensation mechanism. The camera module includes a lens unit for changing an image of a subject at a specific magnification, a housing for accommodating the lens unit so that the lens unit can move in the direction of an optical axis, an auto-focus actuator unit installed so that the lens unit can move in the direction of the optical axis, suspension members for supporting the housing so that the housing can float in a direction perpendicular to the direction of the optical axis, a box-type case configured such that the suspension members are fastened thereto and the housing is accommodated therein, a circuit board disposed beneath the case and configured such that an image sensor is installed thereon, and a compensation actuator configured to compensate for a displacement caused by the vibration of the housing. | 09-01-2011 |
20130162896 | CAMERA MODULE - Disclosed herein is a camera module, including: a lens holder including a receiving unit receiving a lens module therein; a driving unit joined to the lens holder to be movable in a direction vertical to an optical-axis direction; a housing in which the driving unit is installed to be movable in the vertical direction to the optical-axis direction and having a protruding member that protrudes on one surface thereof; a shape memory alloy wire part connected to the driving unit to generate driving force in the vertical direction to the optical-axis direction; and an elastic member applying a preload to the shape memory alloy wire part to cause initial transformation. | 06-27-2013 |
20130163085 | OPTICAL IMAGE STABLILIZER - An optical image stabilizer, in which a magnet and a coil are arranges such that they oppose each other. The Hall sensor is arranged such that one face thereof is opposed to one face of the magnet. The Hall sensor can easily detect the location of a group of lenses by generating a corresponding signal in response to a variation in magnetic force following a variation in the gap between magnets depending on the direction in which a group of lenses is driven, and simultaneously, in response to a variation in magnetic force that occurs when the group of lenses is displaced in the direction that intersects the direction of the gap. | 06-27-2013 |
Patent application number | Description | Published |
20100270064 | RESIN COMPOSITION FOR PRINTED CIRCUIT BOARD AND PRINTED CIRCUIT BOARD USING THE SAME - Disclosed is a resin composition for a printed circuit board, composed of a complex epoxy resin including 41˜80 wt % of a naphthalene-modified epoxy resin having an average epoxy resin equivalent of 100˜200 and 20˜59 wt % of a phosphorus-based epoxy resin having an average epoxy resin equivalent of 400˜800, a bisphenol A curing agent used in an equivalent ratio of 0.3˜1.5 with respect to a total epoxy group equivalent of the complex epoxy resin, a curing accelerator used in an amount of 0.1˜1 part by weight based on 100 parts by weight of the complex epoxy resin and an inorganic filler used in an amount of 10˜40 parts by weight based on 100 parts by weight of the complex epoxy resin. A printed circuit board using the resin composition is also provided. | 10-28-2010 |
20100270065 | Resin Composition For Printed Circuit Board and Printed Circuit Board Using The Same - Disclosed is a resin composition for a printed circuit board, which includes a complex epoxy resin including a bisphenol A epoxy resin obtained by dispersing silicone elastomer particles having a core-shell structure in a diglycidyl ether of bisphenol A epoxy resin, a cresol novolac epoxy resin, and a phosphorus-based epoxy resin; a bisphenol A curing agent; a curing accelerator; and an inorganic filler. A printed circuit board using the resin composition is also provided. | 10-28-2010 |
20110200753 | APPARATUS AND METHOD FOR MANUFACTURING SUBSTRATE - Disclosed herein is an apparatus for manufacturing a substrate, including: a first chamber supplying an insulation layer; a second chamber including a roughening roller roughening at least one side of the insulation layer supplied from the first chamber, an evaporator depositing a metal layer on the roughened insulation layer, and a pressing roller pressing the insulation layer and the metal layer; and a third chamber storing the insulation layer including the metal layer formed thereon, the insulation layer being taken out from the second chamber. The apparatus for manufacturing a substrate is advantageous in that substrates are continuously produced, thus increasing the productivity of the substrates and preventing the substrates from being contaminated by the air. | 08-18-2011 |
20120206405 | OPERATING MODULE OF DISPLAY DEVICE WITH TOUCH PANEL AND OPERATING METHOD THEREOF - Disclosed herein is an operating module of a display device with a touch panel. The operating module includes a touch input unit for a user to input a value through a touch unit; a pattern input unit to which the same pattern image as patterns of a transparent electrode formed on the touch panel having the touch input unit is input; a control unit coupling each image signal into a single image signal according to an output value having a complementary pattern image value with the pattern image value input to the pattern input unit and an output value according to the input of the touch input unit; and an output unit outputting an image signal by the control unit. | 08-16-2012 |
Patent application number | Description | Published |
20090314653 | Electrode tool for electrochemical machining and method of manufacturing the same - Disclosed herein is a highly-durable electrode tool for electrochemical machining, which can prevent the corrosion and abrasion of a conductive pattern at the time of electrochemical machining for forming dynamic pressure-generating grooves of a fluid dynamic bearing, and a method of manufacturing the same. The electrode tool for electrochemical machining includes: an electrode substrate on which a conductive pattern is formed to have protrusions corresponding to the fine grooves and to which negative current is applied; a nonconductive insulating layer, covering an entire top surface of the electrode substrate excluding the conductive pattern; and a conductive layer, which is formed on the conductive pattern to protect the conductive pattern, and a top surface of which is the same height as a top surface of the nonconductive insulating layer. | 12-24-2009 |
20100005662 | Method of manufacturing hydrodynamic bearing - Disclosed herein is a method of manufacturing a hydrodynamic bearing in which a metal bearing made of sintered metal powder is internally subjected to chemical etching, to form hydrodynamic pressure grooves thereon, thus assuring a high-precision and reliable hydrodynamic bearing. The method includes: compressing metal powder that is a raw material of the bearing in a press unit, and sintering the compressed metal powder at a predetermined temperature, thus preparing a sintered bearing; removing foreign substances adhering to the sintered bearing through a deburring process, and pressing the sintered bearing into a desired shape; forming a hydrodynamic groove, configured to generate hydrodynamic pressure, on an internal surface of the shaped bearing using chemical etching; and conducting a post treatment of cleaning the bearing including the hydrodynamic grooves thereon and drying the bearing. | 01-14-2010 |