Abstract: An actuator and a camera module including the same are provided. The actuator driving apparatus includes a detector configured to apply a reference signal to a driving coil of an actuator and detect a coil current flowing in the driving coil, a calculator configured to determine a position of a lens carrier based on the coil current, and a driver configured to drive the actuator based on the position of the lens carrier and a position control signal.

Abstract: An oil drain preventing device for a continuously variable valve timing apparatus includes: an advance angle oil passage connected to a continuously variable valve timing (CVVT) journal from an an oil control valve (OCV) groove to which an oil control valve (OCV) is mounted to supply an oil supplied from a hydraulic pump to a continuously variable valve timing (CVVT) apparatus; a retard angle oil passage connected to the CVVT journal from the OCV groove; and a valve unit mounted to the advance angle oil passage and the retard angle oil passage between the oil control valve and the CVVT journal for preventing the oil supplied to the continuously variable valve timing apparatus from being drained by selectively opening/closing the advance angle oil passage and the retard angle oil passage according to a starting ON or a starting OFF of the engine.

Abstract: An apparatus that provides a feedback effect regarding on a social network service includes a post generation unit configured to receive a post that has a tag associated with a feedback effect from a user device and post the post on the social network service, a feedback collection unit configured to collect feedback in response to the post from another user device that accesses the post, and an effect providing unit configured to apply a predetermined feedback effect corresponding to the tag included in the post according to predetermined condition, wherein the predetermined feedback effect is selected from among multiple feedback effects preset for one or more of tags, and the predetermined condition includes at least one of a type of the feedback and a quantity of the feedback.

Abstract: A camera module comprises a lens barrel, a lens driving device including a focusing unit moving a lens barrel in an optical axis direction and a movement correction unit moving the lens barrel in a direction perpendicular to the optical axis direction, and a housing accommodating the lens barrel and the lens driving device. A focus sensing portion of the focusing unit is disposed in an area not including a planar surface on which a focusing magnet and a focusing coil are mounted.

Abstract: A semiconductor package and a method of manufacturing a semiconductor package. As a non-limiting example, various aspects of this disclosure provide a semiconductor package, and method of manufacturing thereof, that comprises a substrate having a first surface and a second surface opposite to the first surface, and comprising at least one first recess portion formed in a direction ranging from the first surface toward the second surface, a plurality of first recess conductive patterns formed in the first recess portion, and a first passive element inserted into the first recess portion of the substrate and having a first electrode and a second electrode electrically connected to the plurality of first recess conductive patterns.

Abstract: A semiconductor package and a method of manufacturing a semiconductor package. As a non-limiting example, various aspects of this disclosure provide a semiconductor package, and a method of manufacturing thereof, that comprises a first semiconductor die, a plurality of adhesive regions spaced apart from each other on the first semiconductor die, and a second semiconductor die adhered to the plurality of adhesive regions.

Abstract: A sensing unit of a camera module includes a detection target provided on a side surface of a lens module, one or more sensing coils disposed to face the detection target, and a calculator. The calculator may determine a displacement of the detection target translated in any of an optical axis direction, a first direction perpendicular to the optical axis direction, and a second direction perpendicular to the optical axis direction, based on inductances of the one or more sensing coils.

Abstract: An actuator of a camera module includes: a detection target; and a position detecting unit disposed to face the detection target and including at least two sensing coils respectively forming at least two oscillation circuits, wherein the position detecting unit detects a position of the detection target depending on at least two oscillation signals generated by the at least two oscillation circuits and having different frequency ranges.

Abstract: A semiconductor package and a method of manufacturing a semiconductor package. As a non-limiting example, various aspects of this disclosure provide a semiconductor package, and method of manufacturing thereof, that comprises a substrate having a first surface and a second surface opposite to the first surface, and comprising at least one first recess portion formed in a direction ranging from the first surface toward the second surface, a plurality of first recess conductive patterns formed in the first recess portion, and a first passive element inserted into the first recess portion of the substrate and having a first electrode and a second electrode electrically connected to the plurality of first recess conductive patterns.

Abstract: Disclosed is a 5G or pre-5G communication system for supporting a data transmission rate higher than that of a 4G communication system, such as LTE, and subsequent systems, and a method for transmitting an uplink control signal in a wireless communication system comprises the steps of: transmitting information indicating a first frequency domain to which an uplink control signal is transmitted from a base station, which has determined to perform full-duplex based communication; and performing downlink reception through the remaining frequency domains excluding the first frequency domain.

Abstract: An actuator includes a magnet, a driving coil facing the magnet, a driver, and a position calculation processor. The driver is configured to move the magnet in at least one of an optical axis direction and a direction perpendicular to the optical axis by applying a driving signal to the driving coil. The position calculation processor includes sensing coils, and is configured to calculate a position of the magnet according to inductance levels of an inductor of the sensing coils. The inductance levels vary according to movements of the magnet.

Abstract: A camera module actuator is described including a magnet, a coil disposed to face the magnet, and a driver configured to apply a driving signal to the coil to move the magnet. The camera module actuator also includes a detector configured to detect a position of the magnet from a change in inductance of the coil, based on the movement of the magnet.

Abstract: A semiconductor package and a method of manufacturing a semiconductor package. As a non-limiting example, various aspects of this disclosure provide a semiconductor package, and a method of manufacturing thereof, that comprises a first semiconductor die, a plurality of adhesive regions spaced apart from each other on the first semiconductor die, and a second semiconductor die adhered to the plurality of adhesive regions.

Abstract: A semiconductor package and a method of manufacturing a semiconductor package. As a non-limiting example, various aspects of this disclosure provide a semiconductor package, and a method of manufacturing thereof, that comprises a first semiconductor die, a plurality of adhesive regions spaced apart from each other on the first semiconductor die, and a second semiconductor die adhered to the plurality of adhesive regions.

Abstract: A semiconductor package and a method of manufacturing a semiconductor package. As a non-limiting example, various aspects of this disclosure provide a semiconductor package, and a method of manufacturing thereof, that comprises a first semiconductor die, a plurality of adhesive regions spaced apart from each other on the first semiconductor die, and a second semiconductor die adhered to the plurality of adhesive regions.

Abstract: An actuator driving apparatus includes an inductor disposed on a housing to face a magnetic body attached to a lens carrier, a detector configured to apply a reference signal to the inductor and detect an inductor current flowing through the inductor, a calculator configured to determine a position of the lens carrier based on the inductor current, and a driver configured to drive an actuator based on the position of the lens carrier and a position control signal.

Abstract: An actuator and a camera module including the same are provided. The actuator driving apparatus includes a detector configured to apply a reference signal to a driving coil of an actuator and detect a coil current flowing in the driving coil, a calculator configured to determine a position of a lens carrier based on the coil current, and a driver configured to drive the actuator based on the position of the lens carrier and a position control signal.

Abstract: An actuator driving apparatus includes an inductor disposed on a housing to face a magnetic body attached to a lens carrier, a detector configured to apply a reference signal to the inductor and detect an inductor current flowing through the inductor, a calculator configured to determine a position of the lens carrier based on the inductor current, and a driver configured to drive an actuator based on the position of the lens carrier and a position control signal.

Abstract: This specification relates to fault current limiter (FCL). More particularly, to solve problems of protecting and designing current limiting impedance in a protective coordination system, as limitations of the related art, the fault current limiter may measure heat capacity of a current limiting impedance unit by detecting fault current flowing to the current limiting impedance unit and limiting the fault current flowing to the current limiting impedance unit according to the measured heat capacity, which may result in preventing the current limiting impedance unit from being damaged due to the fault current, preventing an extended accident due to the damaged current limiting impedance unit and enabling a stabilized system and line protection.

Abstract: The present invention provides a horizontal linear vibrator which can reduce the thickness but increase vibration strength while at the same time guaranteeing a sufficiently long lifetime and satisfactory responsivity. The horizontal linear vibrator includes a casing, a bracket, a vibration unit and springs. The casing defines an internal space therein. The bracket is disposed under the casing. A cylindrical coil is provided on the bracket. The vibration unit has a magnet, a yoke and a weight. The yoke contains the magnet therein and is open on the lower end thereof. The weight is coupled to the outer surface of the yoke. The springs are coupled to sidewall plates of the casing or the bracket. The springs elastically support the vibration unit to allow the vibration unit to vibrate in the horizontal direction.