Samsung Electronics Co., Ltd.

Ki-Bong Kim

Kyoung-Ok Kim

Hyeon-Ho Kim

Hyo-Jin Son

Yeun-Wook Lim

Provided are an electronic device and method for recognizing a fingerprint. The fingerprint recognition method includes deactivating touch recognition using a touch panel based on first touch information on a fingerprint sensor, and performing fingerprint recognition based on second touch information on the fingerprint sensor.

Method for recognizing fingerprint and electronic device thereof

An apparatus and a method for recognizing bio-data in an electronic device are provided. The method includes detecting an input via a sensor module, outputting guide information for bio-data recognition corresponding to the detected input, and detecting bio-data by using a bio-data detecting module.

Method for recognizing biometrics information and electronic device thereof

A slot-less motor for super high speed driving by which a stator coil is not detached from a housing even at a super high speed of rotation of the slot-less motor, and an air gap flux density for super high speed driving is easily obtained and is uniformly maintained, the slot-less motor employing a stator coil bonded to an inner surface of a housing for maintaining an air gap with a rotor magnet fixed to a rotor shaft to form a stator, wherein the slot-less motor comprises a cylindrical stator ring made of material with low relative magnetic permeability and disposed between a magnet and a stator coil in order to maintain an air gap flux density appropriate for super high speed rotation, and for being distanced from the magnet at a predetermined space to press the stator coil and to be fixed by a coupling unit for fixation and keep within a predetermined space.

Slot-less motor for super high speed driving

A concentricity control apparatus induction for controlling a concentricity between a stator body and a rotor body in an induction motor. The concentricity control apparatus for a concentricity controlling induction motor has a sensor for detecting an eccentricity of a rotor body, an operating unit for operating an electrical current in order to correct an eccentricity according to the detection of the sensor, and a driving circuit for controlling the electrical current of the rotor body. A core control unit so constructed as to apply to a core direction of the rotor body an electromagnetic force perpendicular to a central rotating shaft of the rotor body.

Concentricity control apparatus for active magnetic journal bearing of

A switched reluctance motor is provided with a rotor position detecting apparatus for detecting a rotor position wherein the apparatus comprises a rotor position-sensing mechanism removably mounted in a ventilator hole formed in a side wall of a motor housing for enabling an easy replacement of printed circuit boards and photo-interrupters when they need to be repaired and maintained. The sensing mechanism includes a fixing member having spaced slots for receiving respective circuit boards.

Rotor position detecting apparatus in switched reluctance motor

A rotor for an induction motor includes a core having a central hole extending axially therethrough for receiving a shaft. A plurality of large spaces are formed in the core radially outside of the center hole. The spaces are filled with a non-ferrous metal, and blowholes extend through the non-ferrous metal for conducting cooling air through the core.

Rotor for an induction motor

This invention provides a switched reluctance motor SRM speed control apparatus capable of accurately adjusting an amount of current flowing in a stator coil even at higher speed, thereby accomplishing higher speed control of the SRM, this preferably being accomplished by generating a resonant frequency corresponding to motor speed specified by a user, controlling, in a phase controlling stage, phase of a commercial AC voltage incoming from the external source with reference to the resonant frequency signal to adjust average voltage level, and increasing or decreasing the amount of current in the stator coil.

Growing community of inventors

Suwon, South Korea

Ki-Bong Kim