Abstract: Disclosed is a digital LDO regulator capable of performing asynchronous binary search using a binary-weighted PMOS array. The digital LDO regulator includes a PMOS array unit including a binary-weighted PMOS array and that binary searches the PMOS array asynchronously, and a mode determining unit that operates in at least one of a fine mode, a coarse mode, and a medium mode, based on an output voltage of the PMOS array unit.

Abstract: Disclosed is a digital LDO regulator capable of performing asynchronous binary search using a binary-weighted PMOS array. The digital LDO regulator includes a PMOS array unit including a binary-weighted PMOS array and that binary searches the PMOS array asynchronously, and a mode determining unit that operates in at least one of a fine mode, a coarse mode, and a medium mode, based on an output voltage of the PMOS array unit.

Abstract: An anchor for an embolic coil, and an embolic coil including the same are provided. The anchor for an embolic coil includes a hollow main body and a central shaft arranged in the hollow main body, wherein the hollow main body is made of a braided composite filament including a polymer filament and a first alloy filament, and the central shaft includes a second alloy filament that is a material different from the first alloy filament.

Abstract: Provided is a power detection circuit for tracking a maximum power point of a solar cell. The power detection circuit includes: an average voltage extracting unit which extracts an average voltage VPV,LPF from an external voltage VPV input from an external energy source; a ripple voltage extracting unit which extracts a ripple voltage including current information of the external voltage VPV from the external voltage VPV; a voltage-time converter which generates a ramp voltage VRAMP changing at a predetermined rate and converts the average voltage VPV,LPF and the ripple voltage into corresponding time information ?t1 and ?t2 based on the ramp voltage VRAMP; a time-digital converter which converts the time information ?t2 for the ripple voltage into a digital code t2 [n:0]; and a time multiplier which multiplies the digital code t2 [n:0] and the time information ?t1 for the average voltage VPV,LPF to output a specific voltage value.

Abstract: An intracranial pressure measuring device includes: a sensor unit which measures a pressure at a predetermined position in a cerebral blood vessel of a subject; a wire unit which is connected to the sensor unit and inserted into the subject to position the sensor unit at the position; and an intracranial pressure measuring unit which measures an intracranial pressure based on the measured pressure.

Abstract: Provided is a power detection circuit for tracking a maximum power point of a solar cell. The power detection circuit includes: an average voltage extracting unit which extracts an average voltage VPV,LPF from an external voltage VPV input from an external energy source; a ripple voltage extracting unit which extracts a ripple voltage including current information of the external voltage VPV from the external voltage VPV; a voltage-time converter which generates a ramp voltage VRAMP changing at a predetermined rate and converts the average voltage VPV,LPF and the ripple voltage into corresponding time information ?t1 and ?t2 based on the ramp voltage VRAMP; a time-digital converter which converts the time information ?t2 for the ripple voltage into a digital code t2 [n:0]; and a time multiplier which multiplies the digital code t2 [n:0] and the time information ?t1 for the average voltage VPV,LPF to output a specific voltage value.

Abstract: Provided is a ramp signal generating apparatus. The ramp signal generating apparatus includes N (N is a natural number) ramp signal generating cells that are connected in series to each other. Each of the ramp signal generating cells includes a power voltage unit for supplying current source, a latch unit for latching an output voltage of the power voltage unit, and a switch unit for outputting the voltage latched by the latch unit as an output voltage in response to an input signal.

Abstract: Provided is a ramp signal generating apparatus. The ramp signal generating apparatus includes N (N is a natural number) ramp signal generating cells that are connected in series to each other. Each of the ramp signal generating cells includes a power voltage unit for supplying current source, a latch unit for latching an output voltage of the power voltage unit, and a switch unit for outputting the voltage latched by the latch unit as an output voltage in response to an input signal.