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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Lee; Dongmyung
Address:
Seoul, KR
No. of patents:
6
Patents:












Patent Number Title Of Patent Date Issued
8203639 Method for resetting time-based CMOS image sensor June 19, 2012
A method of resetting a time-based CMOS image sensor may be provided, where the time-based CMOS image sensor may include a photodiode, a transfer transistor transferring photo-generated charges generated in the photodiode to a floating diffusion node and having a gate to which a ramp
7995123 Digital double sampling method, a related CMOS image sensor, and a digital camera comprising the August 9, 2011
A digital double sampling method, a related complementary metal oxide semiconductor (CMOS) image sensor, and a digital camera comprising the CMOS image sensor are disclosed. The method includes generating first digital data corresponding to an initial voltage level apparent in a pixe
7679542 Image sensor using auto-calibrated ramp signal for improved image quality and driving method the March 16, 2010
An image sensor comprises an active pixel sensor (APS) array, a first analog-to-digital converter (ADC) and a ramp signal generator. The APS array includes a plurality of pixels arranged in a two-dimensional matrix, wherein the APS array generates a reset signal and an image signal f
6525497 Phase distortion compensating apparatus and method for reducing torque ripple in 3-phase motor February 25, 2003
Disclosed are a phase distortion compensating apparatus and method for reducing a torque ripple in a 3-phase motor using four switching elements, which are capable of adjusting respective switching times of phase voltages, to be supplied to the 3-phase motor by an inverter including the
6448725 Apparatus for detecting rotor position in brushless direct current motor September 10, 2002
An apparatus for detecting a rotor position in a brushless direct current (BLDC) motor, in which a rotor position can be detected by a virtual neutral point voltage and current of one phase in a motor. The number of circuits required for the rotor position detection is reduced to save th
6388903 Voltage compensating apparatus and method for 3-phase inverter employing four switches May 14, 2002
Disclosed are a voltage compensating apparatus and method for a 3-phase inverter using four switches, to compensate for a severe distortion of a 3-phase application voltage due to a voltage ripple. The voltage compensating apparatus includes upper and lower DC link capacitors connect










 
 
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