Abstract: A circuit for preventing power imbalance of a resonance-type power converter is proposed. The circuit may include a rectifier converting input alternating current (AC) into direct current (DC) and frequency-controlled first and second resonant converter modules configured to receive an output voltage of the rectifier divided into two stages. The circuit may further include a controller outputting a first frequency command for controlling a frequency of a pulse width modulation (PWM) signal supplied to a switching element of a first switching unit of the first resonant converter module. The circuit may further include a frequency compensator compensating for the first frequency command and then outputting a second frequency command for controlling a frequency of a PWM signal supplied to a switching element of a second switching unit of the second resonant converter module, so as to eliminate power imbalance between the first and second resonant converter modules.

Abstract: A vehicle diagnosis system, an apparatus therefor, and a method therefore are provided. The vehicle diagnosis system includes a wireless charging station that transmits a message including information related to a supportable service type and information related to a vendor of a supportable vehicle and a vehicle that identifies the message and connect a diagnosis session for diagnosing and reprogramming the vehicle. The diagnosis session is performed when a connection for a wireless charging session of the vehicle is established.

Abstract: An image signal processor includes a register and a disparity correction unit. The register stores disparity data obtained from a pattern image data that an image senor generates, and the image sensor includes a plurality of pixels, and each of the pixel includes at least a first photoelectric conversion element and a second photoelectric conversion element. The image sensor generates the pattern image data in response to a pattern image located at a first distance from the image sensor. The disparity correction unit corrects a disparity distortion of an image data based on the disparity data to generate a result image data, and the image senor generates the image data by capturing an object.

Abstract: An apparatus adjusting saddle angle for bicycle includes an elastic member forward a central axis in a longitudinal direction of a seat post, a lower body coupled to the seat post and protruding forward to support the elastic member, and an upper body including a saddle coupling portion to the saddle, supporting upper end of the elastic member on upper portion, and hinge-coupled to the lower body to rotate in rotation axis such that the saddle angle is changed for the lower body fixed to the seat post by external force. The elastic member and the rotation axis are in front and rear of the centerline of the lower body, respectively. The saddle coupling portion is in front of the centerline of the lower body and rear of the elastic member, and above the rotation axis. Thus, saddle angle is easily adjusted to improve user's convenience and riding comfort.

Abstract: An apparatus adjusting saddle angle for bicycle includes an elastic member forward a central axis in a longitudinal direction of a seat post, a lower body coupled to the seat post and protruding forward to support the elastic member, and an upper body including a saddle coupling portion to the saddle, supporting upper end of the elastic member on upper portion, and hinge-coupled to the lower body to rotate in rotation axis such that the saddle angle is changed for the lower body fixed to the seat post by external force. The elastic member and the rotation axis are in front and rear of the centerline of the lower body, respectively. The saddle coupling portion is in front of the centerline of the lower body and rear of the elastic member, and above the rotation axis. Thus, saddle angle is easily adjusted to improve user's convenience and riding comfort.