Abstract: Disclosed herein are integrated circuit design system and method including: a genetic algorithm model unit configured to form a first parent generation using a performance simulation result for an arbitrary integrated circuit design point, form a child generation from the first parent generation using a genetic algorithm, form a surrounding design point based on the first parent generation as a mutant generation, and then select N points with the highest performance among the first parent generation, the child generation, and the mutant generation as a second parent generation; a comparison unit configured to compare a design range of the second parent generation and a preset reference range; and a regression model unit configured to train a regression model using the design range of the second parent generation when a design range of the second parent generation is narrower than or equal to the preset reference range.

Abstract: The present invention relates to an electronic device and a screen sharing method using same. An electronic device according to various embodiments of the present invention comprises a communication circuit, a touch screen display, an audio processing circuit, memory and a processor which is electrically connected to the communication circuit, the touch screen display, the audio processing circuit and the memory. The processor can be configured so as to display a first screen and a second screen on the touch screen display, recognize an external electronic device connected by means of the communication circuit if an input for performing a screen sharing function is detected by means of the touch screen display, and transmit, to the recognized external electronic device, the first screen and/or the second screen and at least one audio signal among audio signals corresponding to the first screen and the second screen.

Abstract: The present invention relates to an electronic device and a screen sharing method using same. An electronic device according to various embodiments of the present invention comprises a communication circuit, a touch screen display, an audio processing circuit, memory and a processor which is electrically connected to the communication circuit, the touch screen display, the audio processing circuit and the memory. The processor can be configured so as to display a first screen and a second screen on the touch screen display, recognize an external electronic device connected by means of the communication circuit if an input for performing a screen sharing function is detected by means of the touch screen display, and transmit, to the recognized external electronic device, the first screen and/or the second screen and at least one audio signal among audio signals corresponding to the first screen and the second screen.

Abstract: Disclosed herein is a mobile x-ray imaging apparatus having an improved structure to prevent breakage of or damage to an x-ray detector. One or more damping units are installed at base plates of one or more slots. The one or more damping units minimize an impact that may be applied to one or more x-ray detectors in a process of storing the one or more x-ray detector in the one or more slots.

Abstract: A mobile X-ray imaging apparatus includes a main body performing X-ray imaging by operating an X-ray source, a movable wheel provided in a lower end of the main body and capable of moving the main body, and a support portion comprising a wheel support plate supporting the movable wheel capable of rotating, a frame connected to the main body and supporting the wheel support plate capable of moving, an elastic member disposed between the frame and the wheel support plate and applying an elastic force to the wheel support plate in a direction in which the movable wheel faces a ground, and a stopper restricting a movement of the wheel support plate, wherein the elastic force of the elastic member is smaller than a minimum load applied to the movable wheel.

Abstract: Disclosed herein is a mobile x-ray imaging apparatus having an improved structure to reinforce security of an x-ray detector. A mobile x-ray imaging apparatus includes an x-ray source configured to generate and radiate x-rays, one or more x-ray detectors provided to detect the x-rays radiated from the x-ray source, a storage unit having one or more slots in which the one or more x-ray detectors are stored, and one or more locking units installed in the storage unit to limit withdrawal of the one or more x-ray detectors stored in the one or more slots, wherein the one or more locking units may include a pressing member provided to be pressable and one or more rotating members configured to directly receive a pressing force of the pressing member and provided to rotate and protrude toward an inside of the one or more slots.

Abstract: A mobile X-ray imaging apparatus includes a main body, a driving wheel provided in a lower portion of the main body and capable of moving the main body, a drive motor configured to drive the driving wheel, a motor encoder configured to detect a rotation speed of the drive motor, a driving wheel rotation state detector configured to detect a rotation state of the driving wheel, the driving wheel rotation state detector comprising a rotation state detection sensor located at the main body, and a bracket coaxially connected to the driving wheel and allowing the rotation state detection sensor to detect an ON/OFF state according to the rotation state of the driving wheel, and a controller configured to control the drive motor based on information detected by the motor encoder and the driving wheel rotation state detector.

Abstract: Disclosed herein is a mobile x-ray imaging apparatus having an improved structure to reinforce security of an x-ray detector. A mobile x-ray imaging apparatus includes an x-ray source configured to generate and radiate x-rays, one or more x-ray detectors provided to detect the x-rays radiated from the x-ray source, a storage unit having one or more slots in which the one or more x-ray detectors are stored, and one or more locking units installed in the storage unit to limit withdrawal of the one or more x-ray detectors stored in the one or more slots, wherein the one or more locking units may include a pressing member provided to be pressable and one or more rotating members configured to directly receive a pressing force of the pressing member and provided to rotate and protrude toward an inside of the one or more slots.

Abstract: Disclosed herein is a mobile x-ray imaging apparatus having an improved structure to prevent breakage of or damage to an x-ray detector. One or more damping units are installed at base plates of one or more slots. The one or more damping units minimize an impact that may be applied to one or more x-ray detectors in a process of storing the one or more x-ray detector in the one or more slots.

Abstract: Disclosed herein is a mobile x-ray imaging apparatus having an improved structure to reinforce security of an x-ray detector. A mobile x-ray imaging apparatus includes an x-ray source configured to generate and radiate x-rays, one or more x-ray detectors provided to detect the x-rays radiated from the x-ray source, a storage unit having one or more slots in which the one or more x-ray detectors are stored, and one or more locking units installed in the storage unit to limit withdrawal of the one or more x-ray detectors stored in the one or more slots, wherein the one or more locking units may include a pressing member provided to be pressable and one or more rotating members configured to directly receive a pressing force of the pressing member and provided to rotate and protrude toward an inside of the one or more slots.

Abstract: Disclosed herein is a mobile x-ray imaging apparatus having an improved structure to prevent breakage of or damage to an x-ray detector. One or more damping units are installed at base plates of one or more slots. The one or more damping units minimize an impact that may be applied to one or more x-ray detectors in a process of storing the one or more x-ray detector in the one or more slots.

Abstract: A mobile X-ray imaging apparatus includes a main body including an X-ray source, a movable wheel provided in a lower end of the main body and capable of moving the main body, and a support portion. The support portion includes a wheel support plate that supports the movable wheel and is capable of rotating, a frame connected to the main body that supports the wheel support plate and is capable of moving. The support portion also includes an elastic member disposed between the frame and the wheel support plate that applies an elastic force to the wheel support plate in a direction in which the movable wheel faces a ground wherein the elastic force of the elastic member is smaller than a minimum load applied to the movable wheel A stopper restricts a movement of the wheel support plate.

Abstract: A mobile X-ray imaging apparatus includes a main body, a driving wheel provided in a lower portion of the main body and capable of moving the main body, a drive motor configured to drive the driving wheel, a motor encoder configured to detect a rotation speed of the drive motor, a driving wheel rotation state detector configured to detect a rotation state of the driving wheel, the driving wheel rotation state detector comprising a rotation state detection sensor located at the main body, and a bracket coaxially connected to the driving wheel and allowing the rotation state detection sensor to detect an ON/OFF state according to the rotation state of the driving wheel, and a controller configured to control the drive motor based on information detected by the motor encoder and the driving wheel rotation state detector.

Abstract: An X-ray grid structure is configured to be detachably attached to an X-ray detector and includes an X-ray grid configured to selectively transmit X-rays; and holders fixed along an outer edge of the X-ray grid, wherein at least one of the holders includes an elastic material and is configured to be bendable in a direction crossing an attachment direction, which is a direction of attaching the X-ray detector to the X-ray grid.

Abstract: Disclosed herein is a mobile x-ray imaging apparatus having an improved structure to reinforce security of an x-ray detector. A mobile x-ray imaging apparatus includes an x-ray source configured to generate and radiate x-rays, one or more x-ray detectors provided to detect the x-rays radiated from the x-ray source, a storage unit having one or more slots in which the one or more x-ray detectors are stored, and one or more locking units installed in the storage unit to limit withdrawal of the one or more x-ray detectors stored in the one or more slots, wherein the one or more locking units may include a pressing member provided to be pressable and one or more rotating members configured to directly receive a pressing force of the pressing member and provided to rotate and protrude toward an inside of the one or more slots.

Abstract: Disclosed herein is a mobile x-ray imaging apparatus having an improved structure to prevent breakage of or damage to an x-ray detector. One or more damping units are installed at base plates of one or more slots. The one or more damping units minimize an impact that may be applied to one or more x-ray detectors in a process of storing the one or more x-ray detector in the one or more slots.

Abstract: An X-ray imaging apparatus having an improved structure to reduce noise generated when a position of an X-ray generator is fixed in position includes an X-ray generator, an X-ray detector, a moving carriage coupled with one end of the X-ray generator, a guide rail, and a holding unit disposed at an inner side of the moving carriage to hold the position of the X-ray generator, wherein the holding unit includes a contact pad to contact the guide rail to hold the moving carriage, a magnetic body to move the contact pad using magnetic force, and a holding plate coupled to the contact pad to move according to operation of the magnetic body and including a buffer material capable of absorbing noise or vibration.

Abstract: An X-ray grid structure is configured to be detachably attached to an X-ray detector and includes an X-ray grid configured to selectively transmit X-rays; and holders fixed along an outer edge of the X-ray grid, wherein at least one of the holders includes an elastic material and is configured to be bendable in a direction crossing an attachment direction, which is a direction of attaching the X-ray detector to the X-ray grid.

Abstract: An X-ray imaging apparatus having an improved structure to reduce noise generated when a position of an X-ray generator is fixed in position includes an X-ray generator, an X-ray detector, a moving carriage coupled with one end of the X-ray generator, a guide rail, and a holding unit disposed at an inner side of the moving carriage to hold the position of the X-ray generator, wherein the holding unit includes a contact pad to contact the guide rail to hold the moving carriage, a magnetic body to move the contact pad using magnetic force, and a holding plate coupled to the contact pad to move according to operation of the magnetic body and including a buffer material capable of absorbing noise or vibration.

Abstract: A reference voltage supply circuit is provided. The reference voltage supply circuit includes a first amplifier for amplifying a first input voltage and a fed back first reference voltage, a second amplifier for amplifying a second input voltage and a fed back second reference voltage, a reference voltage generator for generating the first reference voltage and the second reference voltage according to output signals of the first and second amplifiers and feeding the first and second reference voltages back to the first and second amplifiers, and a glitch remover turned on/off according to an input pulse signal to conduct or cut off current flowing between a power supply terminal and the ground.