Samsung Electronics Co., Ltd.

Lg Electronics Inc.

Industry-University Cooperation Foundation Hanyang University

Le Electronics Inc.

Yong-Hee Lee

Jin-won Lee

Mun-Kue Park

Joon Tae Jang

Seung-Bin You

Wang-Seup Yeum

Bong-Joo Kim

Chun Kyun Seok

Min-Soo Kim

Ki-Hyun Kim

Min Seok Kim

Jin-Won Lee

Byung-Ju Yi

Hae-in Chung

Chang-Yong Jang

Sunggyu Koh

Bong-Hyun Lee

Jong-Tae Seo

Dongkyu Choi

Jong-hwi Seo

Su-Kwang Lim

Seung-Chul Han

Hui-Gwan Lee

Jae-Hong Woo

The present invention relates to a freewheel adjustable wheel and an exercise bicycle including the same and. More specifically, may comprise a rotation gear part which rotates together with a pulley fixed to the outer side thereof and has a circular gear formed along the outer circumference thereof; a case part for rotatably supporting the rotation gear part; a first power transmission part for transmitting power which has been transmitted to the rotation gear part to the case part when the rotation gear part rotates in the normal direction; and a second power transmission part for transmitting power which has been transmitted to the rotation gear part to the case part when the rotation gear part rotates in the reverse direction.

Freewheel adjustable wheel and exercise bicycle including same

A conditioner of a chemical mechanical polishing (CMP) apparatus includes a conditioning part to polish a polishing pad, an arm to rotate the conditioning part, and a flexible connector connecting the conditioning part with the arm, the flexible connector being moveable to allow relative movements of the conditioning part with respect to the arm.

Conditioner and chemical mechanical polishing apparatus including the same

Provided is an endoscope device and a method of operating the endoscope device. The endoscope device includes: a knob driving part configured to be driven in a mode selected by an operator from either of an automatic mode and a manual mode; a bending part connected to the knob driving part and configured to change a position of a distal end of the endoscope device by driving of the knob driving part, a power generating part configured to provide power to the knob driving part; and a power transmitting part configured to drive the power generating part according to a manipulation of the knob driving part.

Endoscope device including a knob driver

An imaging device is provided including detection circuitry configured to detect a grip force applied to an imaging device; and a controller configured to set a reference force based on at least one of weight information of a lens mounted on the imaging device and base grip force information and to operate in an imaging ready mode when the detected grip force is equal to or greater than the reference force.

Imaging device and method of operating the same

An image photographing apparatus, an image photographing method thereof, and an image photographing system using a plurality of image photographing apparatuses, and an image photographing method thereof are provided. The image photographing apparatus includes: a camera configured to capture a first image of a subject by using a lens having a first focal distance; a combiner configured to combine the image photographing apparatus with another image photographing apparatus including a lens having a second focal distance different from the first focal distance; a controller configured to, in response to a photographing command being input, control the camera and the another image photographing apparatus to respectively perform photographing; an image processor configured to generate a captured image by using the first image captured by the camera and a second image captured by the another image photographing apparatus; and a display configured to display the captured image.

Image photographing apparatus, image photographing system for performing photographing by using multiple image photographing apparatuses, and image photographing methods thereof

An endoscope apparatus is provided. An endoscope apparatus includes a slave device including a plurality of drive motors configured to adjust insertion and insertion direction of an insertion tube of an endoscope, and a plurality of load sensors provided on the plurality of drive motors; and a master device including displacement sensors configured to generate signals for driving the drive motors according to an operator manipulation, and resistive motors configured to operate based on loads detected by the load sensors. The drive motors produce drive forces according to the signals generated by the displacement sensors and the resistive motors produce resistive forces corresponding to the operator manipulation based on the loads detected by the load sensors.

Endoscope apparatus with slave device and master device

An audio amplifier includes a compensation unit, an output unit and a calibration unit. The compensation unit generates a compensation signal based on a digital input signal, a digital reference code, a mode signal and a digital approximation code. The output unit generates an output signal based on the compensated input signal. The calibration unit generates the digital approximation code based on the output signal and the mode signal. The digital approximation code includes a plurality of bits that are generated sequentially.

Audio amplifier

A mobile terminal includes a front body, a rear body, and a slide module connecting the front body to the rear body such that the front body is slidable with respect to the rear body, the slide module including a first slide member fixed to a front surface of the rear body and having a rail unit at both sides of the rear body, the rail unit having a specific length corresponding to a slide stroke of the front body; and a second slide member fixed to a rear surface of the front body and having a moving guide constrained to the rail unit at both sides of the rear body and slidably moved along the rail unit, in which the moving guide protrudes toward the rear body in order to receive the rail unit and cover the rail unit.

Housing structure for a slide type mobile communication terminal

A mobile communication terminal including a first body, a second body slidably connected to the first body and moveable between a first position and a second position, and a slide module connecting the first body to the second body. The slide module is configured to guide the second body along a curved path between the first position and the second position such that the second body moves in both a lateral and longitudinal direction with respect to the first body.

Mobile communication terminal

A half-bridge three-level pulse width modulation (PWM) amplifier includes a prescaling unit, a PWM generator configured to convert the input signal to a three-level PWM signal having a first level, a second level and a reference level and an output stage. The prescaling unit scales an input signal according to at least one gain value to provide a scaled signal. The PWM generator varies the width of pulses having the first level and varies the width of pulses having a second level based on the scaled signal. The output stage drives an output node to a level of a first power supply voltage, a second power supply voltage or a third power supply voltage based on the three-level PWM signal. The output node is connected to a load. The magnitude of the at least one gain value compensates for variations of power supply voltages.

Half-bridge three-level PWM amplifier and audio processing apparatus including the same

A folding-type mobile terminal is provided with a camera that is capable of accurately imaging an object. This is accomplished by mounting the camera such that a viewing direction of the display of the terminal is substantially parallel to a camera imaging direction.

Mobile terminal with camera

A pulse width modulation (PWM) signal generator includes a quantizer for generating a quantized signal by quantizing an input signal, an asymmetric pulse width modulator, and an error correction unit. The asymmetric pulse width modulator generates an asymmetric PWM signal by comparing the quantized signal with a reference signal, with the asymmetric PWM signal being asymmetric with respect to a center of a period of the reference signal. The error correction unit is coupled between the quantizer and the asymmetric pulse width modulator to correct an error generated from the asymmetry of the asymmetric PWM signal. The quantizer is part of a delta sigma modulator having an operating frequency that is twice that of the reference signal.

Asymmetric PWM signal generator, method thereof, and data processing apparatus including the same

A delta-sigma modulator circuit includes an n-level quantizer circuit that is configured to generate a quantized output signal responsive to an input signal. The n-level quantizer circuit includes n adder circuits that are configured to add a dither signal to n quantization levels to generate n dithered quantization levels, respectively and n comparator circuits that are configured to compare the input signal with the n dithered quantization levels to generate the quantized output signal.

Delta-sigma modulator circuits in which DITHER is added to the quantization levels of methods of operating the same

An electrical connector assembly is disposed in a mobile terminal comprising a first body coupled to a second body by a hinge portion, and the electrical connector assembly comprises a fixed member disposed in the hinge portion, having at least one first contact. The electrical connector assembly also comprises a rotating member disposed in the hinge portion, rotatably connected to the fixed member, the rotating member comprising at least one second contact that electrically connected to the at least one first contact of the first member. The electrical connector assembly may further comprise a first flexible printed circuit board configured to electrically connect the fixed member to a first printed circuit board of the first body, and a second flexible printed circuit board configured to electrically connect the rotating member to a second printed circuit board of the second body.

Growing community of inventors

Gyeonggi-do, South Korea

Yong-Hee Lee