Amosense Co., Ltd

Amosense Co., Ltd. (cheonan the Fourth Local Industrial Complex)

Jin-Pyo Park

Won-San Na

Jung-Hyun Choi

Cheol-Seung Han

Jun Ho Park

Jae-Jun Ko

Young-Joon Kim

Jong Min Lee

Sang Dong Jeong

Su-Hyeoung Tak

Bo-Hyeon Han

Disclosed is an apparatus for controlling the output of a skin care device, which can reduce a peak power to be output to the skin, by suppressing a sudden current change when a direct current voltage is converted into an alternating current voltage. The disclosed apparatus for controlling the output of a skin care device: amplifies a direct current voltage and outputs same; converts the output direct current voltage into an alternating current voltage with a set frequency and outputs same to a pair of contact electrodes; and detects the skin current according to changes in the resistance of the skin to which the alternating current voltage is applied, so as to control the amplification of the direct current voltage.

Apparatus and method for controlling output of skin care device

Disclosed is a core for a current transformer, which forms an upper core in a round shape, and is disposed at a position lower than the center of a power line having both ends of the upper core received, thereby minimizing the stress of a magnetic path, and increases the permeability, thereby enhancing the magnetic induction efficiency. The disclosed core for the current transformer includes an upper core curved in a semi-circular shape to have a receiving groove formed therein, and having both ends extended downwards to be disposed to be spaced apart from each other and a lower core disposed on the lower portion of the upper core, and having both ends extended upwards to be disposed to face both ends of the upper core.

Core for current transformer

A rear combination lamp installed on a vehicle comprises: a first rear lamp module installed on a later part of the rear side of the vehicle; and a second rear lamp module installed on a back door located at the rear side of the vehicle to be arranged adjacent to the first rear lamp module. The first rear lamp module includes a main light source and a sub-light source. The main light source generates light output from the first rear lamp module, and the sub-light source generates light provided to the second rear lamp module. The second rear lamp module includes a light reception unit and a light direction changing unit. The light reception unit receives light from the sub-light source. The light direction changing unit changes a progressing direction of light received in the light reception unit to output light to the outside.

Rear lamp module for vehicle and rear combination lamp having same

Disclosed are: a skin care device which determines whether, on the basis of a voltage fluctuation according to contact with the skin, the skin care device has been rubbed, and which blocks the output of current through an electrode when rubbing does not occur for at least a set time; and a control method therefor. The disclosed skin care device determines the state of the skin care device on the basis of sensing voltage corresponding to a change in current of a transformation module according to the outputting of alternating current into the skin through contact electrodes, and blocks the output of current of an electrode module if the skin care device is in a fixed state.

Skin care device and control method therefor

Provided are a core for a current transformer and a manufacturing method for the same in which high permittivity is formed in order to optimize electric power acquisition efficiency by magnetic induction at a low current. The provided method of manufacturing a core through the steps of winding a metal ribbon, heat treating a core base, impregnating, cutting and polishing, wherein after the core base which is inserted into a mold is heat treated to implement a shape, the core base separated from the mold is heat treated to manufacture the core for the current transformer having high permittivity.

Method for manufacturing a core for a current transformer

An embodiment of the present disclosure provides an electromagnetic inductive power supply apparatus comprising: an upper housing disposed on the upper side of a lower housing and having an elevating guide; a base disposed above the upper housing; a pressing support disposed on the lower side of the base part and having a guide bar which is coupled to the elevating guide so as to move up and down while being guided by the elevating guide, and one end of which is fastened to the lower housing; a lower core installed in the lower housing; and an upper core installed in the upper housing and forming a magnetic circuit inner space through which a line passes when the upper core is connected to the lower core.

Electromagnetic inductive power supply apparatus

Disclosed is an electromagnetic-inductive power supply apparatus, which switches so that a plurality of coils winding around a current transformer core is connected in series to a rectification unit based on the voltage induced in the current transformer, thereby producing the power within the set range even in a state where the voltage outside the reference is induced. The disclosed electromagnetic-inductive power supply apparatus senses the voltage induced in the current transformer and switches the plurality of unit coils is connected to the rectification unit based on the voltage sensed.

Electromagnetic-inductive power supply apparatus

A power supply device includes a current transformer module capable of adjusting a power induction ratio in order to induce a certain power even when the current of a power line is changed and the current transformer module capable of minimizing the loss in power conversion while providing a certain power even when the current of the power line is changed. The disclosed current transformer module includes a magnetic core constituting a closed loop, a plurality of unit coils wound around the magnetic core, and a switch unit connected to the plurality of unit coils, and the plurality of unit coils include a plurality of unit coils for power-generation.

Current transformer module and power supply device including the same

Disclosed is a magnetic induction power supply device, which switches the unit coil having the smallest number of windings to a rectification unit at the initial operation, thereby preventing the parts damaged due to an excessive inrush voltage. The disclosed magnetic induction power supply device switches the unit coil having the smallest number of windings to the rectification unit when emergency power is applied from a first power supply unit or a second power supply unit. The second power supply unit can supply the power source induced in the unit coils to a sensing unit as the emergency power.

Magnetic induction power supply device

Disclosed are an apparatus and a method for diagnosing a failure of an electromagnetic-inductive power supply apparatus, which diagnoses whether a power-generation CT has failed by comparing the values detected in a sensor CT and the power-generation CT, thereby preventing the generating efficiency from being reduced. The disclosed apparatus for diagnosing the failure of the electromagnetic-inductive power supply apparatus detects detection values of a power-generation CT and a sensor CT, converts detection values into converted value by scaling detection values, and diagnoses whether the current transformer has failed and whether the power-outage has occurred based on converted values.

Apparatus and method for diagnosing failure of electromagnetic-inductive power supply apparatus

Disclosed is an LED lamp using a switching circuit, configured to prevent occurrence of electric shock caused by a contact of a conductive metal or the human body by arranging the switching circuit between a first rectifier circuit and an LED circuit. The disclosed LED lamp using a switching circuit connects the switching circuit to at least one line among a plurality of lines connecting a rectifier circuit and an LED circuit, wherein the switching circuit may comprise: a switching element comprising at least one from among an SCR, a TRIAC, a TR, and an FET; and a driving element comprising at least one from among a capacitor, a TVS, a ZENER, a SIDAC, a resistance, and an inductor.

Growing community of inventors

Seoul, South Korea

Jin-Pyo Park