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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Han; Gunhee
Address:
Goyang-si, KR
No. of patents:
10
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
8203477 Analog-to-digital conversion and implementations thereof June 19, 2012
In one embodiment, an analog-to-digital converter (ADC) includes a comparator and a supply circuit. The comparator is configured to compare an input signal to a reference signal. The supply circuit is configured to supply the reference signal. The supply circuit is configured to prov
8059175 Image capture device and method of operating the same November 15, 2011
A method for operating an image capture device having a sensor with an array of first and second pixels includes capturing an image a plurality of times with the second pixels to produce a corresponding second image signal, the second pixels being white pixels, capturing the image a
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
7985993 CMOS image sensor and image signal detecting method thereof July 26, 2011
A complementary metal oxide semiconductor (CMOS) image sensor includes a photodiode, a switch and a comparator. The switch transfers a sensing signal to a sensing node from the photodiode. The comparator, which is directly connected to the sensing node, compares the sensing signal of
7804437 Analog-to-digital converter for accumulating reference voltages successively divided by two September 28, 2010
An analog-to-digital converter includes a 1/2 powered signal generator configured to generate divided signals by successively dividing a full scale signal by 2 and output one of the divided signals, an accumulator configured to update a reference signal according to a current divided
7800427 Switched capacitor circuit with inverting amplifier and offset unit September 21, 2010
A switched capacitor circuit includes an amplifier, a charging unit, an offset unit, and an integrating unit. The charging unit is coupled between an input node and a first node, and is for accumulating charge corresponding to an input signal during a sampling mode. The offset unit i
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
7535398 Correlated double-sampling circuit and cyclic analog-to-digital converter including the same May 19, 2009
An analog-to-digital converter (ADC) includes first and second circuits, a differential amplifier, a comparator and a digital-to-analog converter (DAC). The first circuit samples a reset voltage, amplifies the sampled reset voltage, and subtracts a first reference voltage from the amplif
7379011 Lossless nonlinear analog gain controller in image sensor and manufacturing method thereof May 27, 2008
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 has includes a plurality of pixels of arranged in a second order two-dimensional matrix, and wherein the APS array generates a reset sig










 
 
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