Patent application number | Description | Published |
20100124071 | COOLING DEVICE FOR LIGHT EMITTING DEVICE PACKAGE OF VIBRATION GENERATING MACHINE AND HEAD LAMP FOR VIBRATION GENERATING MACHINE - A cooling device for a light emitting device package of a vibration generating machine, includes: a heat releasing plate provided at one side of the light emitting device package; a vibrator disposed to face the heat releasing plate and vibrating to generate an air flow according to vibration of the vibration generating machine; and a vibration transfer unit configured to connect the vibrator and the heat releasing plate to allow the air flow generated from the vibrator to be transferred to the heat releasing plate so as to be cooled. | 05-20-2010 |
20110146404 | INERTIAL SENSOR AND METHOD OF MANUFACTURING THE SAME - Disclosed herein is an inertial sensor, which includes a diaphragm having a piezoelectric element or a piezoresistive element formed on one surface thereof, a mass element integrated with the center of the other surface of the diaphragm in which the distal end of the mass element has a larger width than the width of the proximal end in contact with the diaphragm, and a supporter formed along the edge of the other surface of the diaphragm, so that the use of the mass element having the above shape results in decreased spring constant and increased distance from the center of the diaphragm to the center of the mass element, thereby simultaneously realizing a reduction in the size of the inertial sensor and an increase in performance thereof. A method of manufacturing the inertial sensor is also provided. | 06-23-2011 |
20110290022 | INERTIAL SENSOR AND METHOD OF MANUFACTURING THE SAME - Disclosed herein an inertial sensor and a method of manufacturing the same. An inertial sensor | 12-01-2011 |
20120043855 | Inertial Sensor - Disclosed herein is an inertial sensor of the present invention. An inertial sensor | 02-23-2012 |
20120152020 | INERTIAL SENSOR - Disclosed herein is an inertial sensor. There is provided an inertial sensor | 06-21-2012 |
20120270355 | INERTIAL SENSOR AND METHOD OF MANUFACTURING THE SAME - Disclosed herein is an inertial sensor, which includes a diaphragm having a piezoelectric element or a piezoresistive element formed on one surface thereof, a mass element integrated with the center of the other surface of the diaphragm in which the distal end of the mass element has a larger width than the width of the proximal end in contact with the diaphragm, and a supporter formed along the edge of the other surface of the diaphragm, so that the use of the mass element having the above shape results in decreased spring constant and increased distance from the center of the diaphragm to the center of the mass element, thereby simultaneously realizing a reduction in the size of the inertial sensor and an increase in performance thereof. A method of manufacturing the inertial sensor is also provided. | 10-25-2012 |
20120291547 | ANGULAR VELOCITY SENSOR - There is provided an angular velocity sensor, including: a flexible part connecting a fixing part to an oscillation unit; a driving unit formed on the flexible part or the oscillation unit to oscillate the oscillation unit; a sensing unit formed on the flexible part or the oscillation unit to sense a displacement of the oscillation unit according to an angular velocity input; a control piezoelectric element formed on the flexible part to control rigidity of a motion of the oscillation unit; and an impedance element electrically connected to the control piezoelectric element to apply impedance to the control piezoelectric element. | 11-22-2012 |
20120297874 | INERTIAL SENSOR - Disclosed herein is an inertial sensor. An inertial sensor | 11-29-2012 |
20130019679 | INERTIAL SENSOR AND ANGULAR VELOCITY DETECTION METHOD USING THE SAME - Disclosed herein is an inertial sensor including: a driving part displaceably supported by a support; a driving electrode vibrating the driving part; and a detecting electrode detecting a force acting on the driving part in a predetermined direction, wherein the driving part includes: a center driving mass positioned at the center of the inertial sensor; side driving masses connected to and interlocking with the center driving mass and positioned at four sides based on the center driving mass; and connection bridges connecting the center driving mass, the side driving masses, and the support to each other. | 01-24-2013 |
20130036818 | INERTIAL SENSOR AND METHOD OF MANUFACTURING THE SAME - Disclosed herein are an inertial sensor and a method of manufacturing the same. The inertial sensor | 02-14-2013 |
20130068022 | MICRO ELECTRO MECHANICAL SYSTEMS COMPONENT - Disclosed herein is a MEMS component. The MEMS component according to the exemplary embodiment of the present invention includes: a plate-shaped membrane | 03-21-2013 |
20130081464 | INERTIAL SENSOR - Disclosed herein is an inertial sensor. The inertial sensor includes a sensor part including a driving mass, a flexible substrate part displaceably supporting the driving mass, and a support part supporting the flexible substrate part so that the driving mass is freely movable in a state in which the driving mass is floated; a lower cap covering a lower portion of the driving mass and coupled with the support part and provided with a stopper part limiting a displacement of the driving mass; and a dry film resist coupling the sensor part with the cover and providing an interval between the driving mass and the stopper. | 04-04-2013 |
20130081465 | INERTIAL SENSOR AND ANGULAR VELOCITY DETECTION METHOD USING THE SAME - Disclosed herein is an inertial sensor. The inertial sensor includes: a plurality of driving masses; support bodies supporting the driving masses so as to freely move in a state in which the driving masses float; a connection bridge connecting the plurality of driving masses and connecting the plurality of driving masses with the support bodies; and an electrode pattern part including driving electrodes simultaneously driving the driving masses and sensing electrode detecting axial Coriolis force of each of the driving masses. | 04-04-2013 |
20130122189 | METHOD OF MANUFACTURING INERTIAL SENSOR - Disclosed herein is a method of manufacturing an inertial sensor. The method includes: (A) preparing a base substrate; (B) forming a depressed first concave part in one surface of the base substrate; (C) forming a mass body in the first concave part by filling a metal or a combination of a metal and a polymer (or a polymer matrix composite) therein; and (D) forming a depressed second concave part in one surface of the base substrate at an outer side of the mass body and forming a flexible part on an upper portion of the second concave part in the base substrate. The mass body formed of the metal or the combination of the metal and the polymer (or the polymer matrix composite) has high density, thereby making it possible to improve sensitivity of the inertial sensor. | 05-16-2013 |
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 |
20130152687 | INERTIAL SENSOR AND METHOD FOR MEASURING ACCELERATION USING THE SAME - Disclosed herein is an inertial sensor, including: a membrane; a mass body disposed under the membrane; a sensing unit formed on the membrane and including a piezoelectric body; and a spring constant control unit formed to be spaced apart from the sensing unit and including a piezoelectric body. According to the preferred embodiment of the present invention, the DC acceleration (in particular, gravity acceleration) can be measured by using the change in the spring constant without changing the structure of the inertial sensor including the piezoelectric material of the prior art. | 06-20-2013 |
20130155664 | LED LIGHTING APPARATUS - An LED lighting apparatus according to the embodiment includes: a heat radiation frame having a reception groove therein; a substrate disposed on a top surface of the heat radiation frame and to which at least one light emitting device is attached; an antenna on a top surface of an upper end portion of the heat radiation frame; and a diffusion frame combined with the light emitting frame and formed therein with a reception groove for receiving the substrate and the antenna. | 06-20-2013 |
20140072019 | WIRESS COMMUNICATION APPARATUS AND WIRELESS COMMUNICATION METHOD THEREOF - The embodiment provides a wireless communication apparatus and a wireless communication method thereof. The wireless communication apparatus includes an antenna for receiving or transmitting a signal; a receiving unit for demodulating the reception signal received through the antenna; a transmitting unit for generating the transmission signal to be transmitted through the antenna; and a control unit for determining a strength of the reception signal received through the antenna in order to set a strength of the transmission signal based on the strength of the reception signal. | 03-13-2014 |
20140084788 | HEADLIGHT APPARATUS AND METHOD OF CONTROLLING THE SAME - Disclosed are a headlight apparatus and a method of controlling the same. The headlight apparatus provided in a transportation includes a light source unit including at least one light source and emitting a light in a forward direction of the transportation, a light source driving unit supplying a driving current to the at least one light source included in the light source unit, and a control unit receiving information about a driving environment of the transportation and determining a driving condition of the light source unit by using the received information about the driving environment. The driving condition of the light source unit includes a driving current value corresponding to a brightness of the at least one light source included in the light source unit. | 03-27-2014 |